CN104753081A - Microgrid power supply control method and device - Google Patents

Abstract

The embodiment of the invention provides a microgrid power supply control method and device, relates to the field of microgrids, and aims at improving the reliability and power supply efficiency of off-grid power supply of the microgrid. The method comprises the steps of acquiring constraint conditions and preset function relationship of generation power of each generation unit in at least one cycle through a power supply control device; determining the target function of the microgrid according to the function relationship. The power supply control is used for obtaining the target generation power of each generation unit in the at least one cycle according to the constraint condition and the target function, and adjusting the generation power of each generation unit at the current time according to the target generation power of each generation unit in the at least one cycle. The method and the device are used for power supply control of the microgrid.

Description

A kind of method and apparatus controlling micro-capacitance sensor and power

Technical field

The present invention relates to micro-capacitance sensor field, particularly relate to a kind of method and apparatus controlling micro-capacitance sensor and power.

Background technology

The set that micro-capacitance sensor is made up of various distributed power source, energy-storage units, load and Control protection system, by the cooperation between relative control apparatus, this micro-capacitance sensor provides comparatively reliability and high-quality electric energy for load.Represent that this micro-capacitance sensor departs from main electrical network from net type micro-capacitance sensor, separately net internal burden is powered.Now, from net type micro-capacitance sensor as a lonely net, the balance of resolution system internal power and electricity should be needed, ensure the reliable, lasting of power supply simultaneously.

Micro-capacitance sensor be divided into two kinds of situations from net pattern, different from the requirement of net power supply to micro-capacitance sensor under different situations, during as main grid collapses, require that micro-capacitance sensor is switched to from net pattern load short-duration power, if and this micro-capacitance sensor is away from main electrical network, then require that this micro-capacitance sensor is being powered for a long time to load under net pattern, and different user is also different to the supply of electric power demand from net type micro-capacitance sensor.

In prior art, with energy-storage units, center is scheduling to the scheduling controlling strategy from net type micro-capacitance sensor, different operating state residing for present period and energy-storage units adopts different energy-optimised strategies, have ignored power supply itself, do not consider that the type of load and the change of critical event are on the impact of power supply, cause power supply reliability poor, efficiency is low, cannot meet the demand of long-term power supply.

Summary of the invention

The invention provides a kind of method and apparatus controlling micro-capacitance sensor and power, micro-capacitance sensor can be improved from reliability and the power supplying efficiency of netting power supply.

For achieving the above object, embodiments of the invention adopt following technical scheme:

First aspect, provides a kind of method controlling micro-capacitance sensor and power, comprising:

Power supply control apparatus obtains constraints and the preset function relation of the generated output of each generator unit within least one cycle; Wherein, described preset function relation comprises the described generated output of each generator unit and the relation of target factor, and the end time at least one cycle described is current time;

Determine the target function of described micro-capacitance sensor according to described functional relation, and obtain the target generated output of each generator unit within least one cycle described according to described constraints and described target function;

Adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.

In the first possible implementation of first aspect, described constraints comprises:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}};$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}be the target generated output of i-th generator unit within least one cycle described, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

In conjunction with the implementation that the first is possible, in the implementation that the second is possible, described preset function relation comprises:

C _i,Gen=C _i(p)；

Wherein, C _{i, Gen}for the cost of electricity-generating of described i-th generator unit, p is the generated output of described i-th generator unit, C _ithe function of p cost of electricity-generating that () is described i-th generator unit and the generated output of described i-th generator unit;

Then describedly determine that the target function of described micro-capacitance sensor comprises according to described functional relation:

Determine that the target function of described micro-capacitance sensor is according to the described cost of electricity-generating of each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{G}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

In conjunction with first aspect to any one the possible implementation in the possible implementation of the second, in the implementation that the third is possible, describedly carry out adjustment according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described and comprise:

Determine the target generated output of described each generator unit within each cycle and the difference of current time generated output;

Determine the generated output adjustment amount of described each generator unit according to the described difference of described each generator unit within least one cycle described, and adjust according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit.

In conjunction with the implementation that the third is possible, in the 4th kind of possible implementation, describedly determine that the difference of the target generated output of described each generator unit within each cycle and current time generated output comprises:

Determine that the difference of the target generated output of described each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for described i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for described i-th generator unit is at the generated output of current time;

The described generated output adjustment amount determining described each generator unit according to the described difference of described each generator unit within least one cycle described, and carry out adjustment according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit and comprise:

Determine that the generated output adjustment amount of described each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Wherein, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of described i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

The generated output of described each generator unit current time is increased generated output adjustment amount corresponding to described each generator unit.

Second aspect present invention provides a kind of power supply control apparatus, comprising:

Acquiring unit, for obtaining constraints and the preset function relation of the generated output of each generator unit within least one cycle; Wherein, described preset function relation comprises the described generated output of each generator unit and the relation of target factor, and the end time at least one cycle described is current time;

Processing unit, the functional relation for getting according to described acquiring unit determines the target function of described micro-capacitance sensor, and obtains the target generated output of each generator unit within least one cycle described according to described constraints and described target function;

Described processing unit also for, adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.

In the first possible implementation of second aspect, described acquiring unit specifically for, obtain the constraints of the generated output of described each generator unit:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}}$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}for the target generated output at least one cycle described in i-th generator unit, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

In conjunction with the implementation that the first is possible, in the implementation that the second is possible, described acquiring unit specifically for, obtain described preset function relation:

C _i,Gen=C _i(p)；

Wherein, C _{i, Gen}for the cost of electricity-generating of described i-th generator unit, p is the generated output of described i-th generator unit, C _ithe function of p cost of electricity-generating that () is described i-th generator unit and the generated output of described i-th generator unit;

Described processing unit specifically for, determine that the target function of described micro-capacitance sensor is according to the described cost of electricity-generating of each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{G}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

In conjunction with second aspect to any one the possible implementation in the possible implementation of the second, in the implementation that the third is possible, described processing unit specifically for, determine the target generated output of described each generator unit within each cycle and the difference of current time generated output;

Determine the generated output adjustment amount of described each generator unit according to the described difference of described each generator unit within least one cycle described, and adjust according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit.

In conjunction with the implementation that the third is possible, in the 4th kind of possible implementation, described processing unit specifically for, determine that the difference of the target generated output of described each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for described i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for described i-th generator unit is at the generated output of current time;

Determine that the generated output adjustment amount of described each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Wherein, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of described i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

The generated output of described each generator unit current time is increased generated output adjustment amount corresponding to described each generator unit.

Adopt such scheme, power supply control apparatus obtains constraints and the preset function relation of the generated output of each generator unit within least one cycle, and the target function of functional relation determination micro-capacitance sensor according to each generator unit, then this power supply control apparatus obtains the target generated output of each generator unit within least one cycle described according to this constraints and this target function, and adjusts according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.Constraints due to each generator unit comprises the generated output of generator unit and the relation of the relation of load running power and the generated output of generator unit and critical event, therefore this power supply control apparatus can regulate and control the power supply of whole micro-capacitance sensor according to the change of different loadtypes and critical event, improves micro-capacitance sensor from the reliability of net power supply and power supplying efficiency.

Accompanying drawing explanation

The structural representation of a kind of micro-grid system that Fig. 1 provides for the embodiment of the present invention;

A kind of schematic flow sheet controlling the method that micro-capacitance sensor is powered that Fig. 2 provides for the embodiment of the present invention;

The structural representation of a kind of power supply control apparatus that Fig. 3 provides for the embodiment of the present invention;

The structural representation of the another kind of power supply control apparatus that Fig. 4 provides for the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Following examples of the present invention can be applied to micro-grid system, this micro-grid system as shown in Figure 1, this micro-grid system comprises at least one generator unit, and as the first generator unit in Fig. 1 and the second generator unit, this at least one generator unit is for the production of electric power; Power supply control apparatus, the generated output for regulating and controlling each generator unit provides electric power for load and safeguards the normal operation of this micro-capacitance sensor; Load, for receiving electric power.

It should be noted that, line in Fig. 1 between all two unit shows to there is information interaction between described two unit, such as, described information interaction comprises: this power supply control apparatus obtains the generated output information of generator unit by sending a request message, the generated output of this generator unit is adjusted by sending generated output adjustment message, also comprise this load and send loadtype information, so that this power supply control apparatus issues the power supply decision-making of response to this load according to this loadtype information to this power supply control apparatus.

The embodiment of the present invention provides a kind of method controlling micro-capacitance sensor and power, and the executive agent of the method is power supply control apparatus, and as shown in Figure 2, the method comprises:

S201, power supply control apparatus obtain constraints and the preset function relation of the generated output of each generator unit within least one cycle.

Wherein, this preset function relation comprises the generated output of this each generator unit and the relation of target factor, and the end time in this at least one cycle is current time.

Particularly, this micro-grid system comprises multiple generator unit, and as wind power generation unit and photovoltaic generation unit, this power supply control apparatus obtains each generator unit in the constraints of the generated output in the different time cycle of current time and preset function relation.

It should be noted that, this power supply control apparatus can control the generated output of each generator unit according to the economic factor of this micro-capacitance sensor, now, this preset function relation is the generated output of each generator unit and the relation of cost of electricity-generating, this power supply control apparatus can control the generated output of each generator unit according to the safety factor of this micro-capacitance sensor, now, this preset function relation is the generated output of each generator unit and the relation of coefficient of safety.

Alternatively, the constraints of the generated output of this each generator unit is:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}};$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}be the target generated output of i-th generator unit within least one cycle, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

Illustratively, this power supply control apparatus obtains the constraints of the generated output of i-th generator unit within the t1 cycle of current time, and wherein, this constraints comprises the condition of the scope of the generated output of this i-th generator unit of constraint within the t1 cycle:

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

The condition of the transmission line capability of constraint key transmission circuit:

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

Retrain the condition of the line loss of every bar transmission line:

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Again because the generated output of all generator units of micro-capacitance sensor within the described t1 cycle equal the power loss sum of loaded operate power and all transmission lines, therefore Prescribed Properties again:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}}.$

According to said process, this power supply control apparatus can also obtain the constraints of the generated output of this i-th generator unit in the different cycles of current time, as t2 cycle and t3 cycle etc., wherein, this t1 cycle, this t2 cycle is different with the time span in this t3 cycle, the time span in such as this t1 cycle is 5 hours, the time span in this t2 cycle is 10 hours, the time span in this t3 cycle is 24 hours, namely this power supply control apparatus can obtain the constraints of each generator unit in first 5 hours of current time respectively, constraints in first 10 hours of current time and the constraints in first 24 hours of current time.

It should be noted that, the first border coefficient ρ ₁, the second boundary coefficient ρ ₂with the 3rd border coefficient ρ ₃may have different values within the different time cycles, like this, the constraints of each generator unit within the different time cycle will be different, wherein, and ρ ₁, ρ ₂, ρ ₃value size determine the power of constraints, such as, within the t1 time cycle, have atrocious weathers such as raining or snow, then increase ρ ₁, ρ ₂, ρ ₃value, promote the coboundary of the generated output of each generator unit, that is, in atrocious weather, each generator unit can reach larger generated output, and for example during festivals or holidays, in order to ensure power supply, also can increase ρ ₁, ρ ₂, ρ ₃value, wherein, this power supply control apparatus is by the decision information that gets or receive the instruction that user issues and realize this ρ ₁, ρ ₂, ρ ₃the dynamic regulation of value.

Further, it is the generated output of each generator unit and the relation of cost of electricity-generating that the preset function that this power supply control apparatus obtains is closed:

C _i,Gen=C _i(p)；

Wherein, C _{i, Gen}for the cost of electricity-generating of this i-th generator unit, p is the generated output of this i-th generator unit, C _ithe function of p cost of electricity-generating that () is this i-th generator unit and the generated output of this i-th generator unit.

It should be noted that, the cost of electricity-generating of generator unit under different operate powers is different, C _{i, Gen}=C _ip () represents the cost of electricity-generating of i-th generator unit when generated output is P, namely this i-th generator unit is when generated output is P, and the power of each watt needs the Financial cost expended to be C _{i, Gen}.

S202, this power supply control apparatus determine the target function of this micro-capacitance sensor according to this functional relation, and obtain the target generated output of each generator unit within this at least one cycle according to this constraints and this target function.

Particularly, this power supply control apparatus is according to the target function of the functional relation determination micro-capacitance sensor of the generated output of all generator units and target factor, if this functional relation is the generated output of generator unit and the relation of economic factor, then the target function of this micro-capacitance sensor represents that the Financial cost of this micro-capacitance sensor is minimum; If this functional relation is the generated output of generator unit and the relation of safety factor, then the target function of this micro-capacitance sensor represents that the coefficient of safety of this micro-capacitance sensor is the highest.

Illustratively, it is the generated output of each generator unit and the relation of cost of electricity-generating that the preset function that this power supply control apparatus obtains is closed:

C _i,Gen=C _i(p)；

Then according to the cost of electricity-generating of this each generator unit and the functional relation of generated output, this power supply control apparatus determines that the target function of this micro-capacitance sensor is:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{C}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

This power supply control apparatus calculates this target function according to the constraints of each generator unit within least one cycle, is met the target generated output of each generator unit within least one cycle of this target function.

Illustratively, this micro-capacitance sensor comprises two generator units, two loads and two transmission lines, wherein, have a key transmission circuit in these two transmission lines, this power supply control apparatus obtains the constraints of the first generator unit and the generated output of the second generator unit in first 5 hours of current time:

P _1,Gen+P _2,Gen=P _1,Load+P _2,Load+△P _1,Loss+△P _2,Loss；

P _1,Gen,min≤P _1,Gen≤ρ ₁*P _1,Gen,max；

P _2,Gen,min≤P _2,Gen≤ρ ₁*P _2,Gen,max；

|P _1,Tran|≤ρ ₂*P _1,Tran,max；

△P _1,Loss≤ρ ₃*△P _1,Loss,max；

△P _2,Loss≤ρ ₃*△P _2,Loss,max；

This power supply control apparatus obtains the cost of electricity-generating of this first generator unit and the functional relation of generated output:

C _1,Gen=2P _1,Gen；

The cost of electricity-generating of this second generator unit and the functional relation of generated output:

C _2,Gen=P _2,Gen ²；

Then this power supply control apparatus determines that the target function of this micro-capacitance sensor is:

min（2P _1,Gen*P _1,Gen+P _2,Gen ²*P _2,Gen）。

This power supply control apparatus determines the power bracket of the generated output of this first generator unit and this second generator unit by above-mentioned constraints, and determines by linear programming the P meeting this target function in this power bracket _{1, Gen}and P _{2, Gen}, obtain the target generated output of this first generator unit in first 5 hours of current time and the target generated output of this first generator unit in first 5 hours of current time.According to the method described above, this power supply control apparatus can also obtain this first generator unit and the target generated output of this second generator unit within the other times cycle of current time.

S203, this power supply control apparatus adjust according to the generated output of target generated output to this each generator unit current time of this each generator unit within this at least one cycle.

Particularly, this power supply control apparatus determines the target generated output of this each generator unit within each cycle and the difference of current time generated output, and the generated output adjustment amount of this each generator unit is determined according to this each generator unit this difference within this at least one cycle, adjust according to the generated output of generated output adjustment amount to this each generator unit current time of this each generator unit.

Alternatively, this power supply control apparatus determines that the difference of the target generated output of this each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

And determine that the generated output adjustment amount of this each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Then the generated output of this each generator unit current time is increased generated output adjustment amount corresponding to this each generator unit by this power supply control apparatus.

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for this i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for this i-th generator unit is at the generated output of current time, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of this i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

Illustratively, this power supply control apparatus obtains the target generated output P of the first generator unit in first 5 hours of current time by step S202 _{1, Gen, 1}, target generated output P in first 10 hours of current time _{1, Gen, 2}with the target generated output P in first 24 hours of current time _{1, Gen, 3}, then this power supply control apparatus calculates the difference of the generated output of this first generator unit current time of the target generated output of this first generator unit in different cycles respectively:

△P _1,1=P _1,Gen,1-P _i,Gen,pre，△P _1,2=P _1,Gen,2-P _i,Gen,pre，△P _1,3=P _1,Gen,3-P _i,Gen,pre；

This power supply control apparatus is according to this △ P _1,1, △ P _1,2with △ P _1,3determine that the generated output adjustment amount of this first generator unit is with the weights of correspondence:

△x ₁=r ₁*△P _1,1+r ₂*△P _1,2+r ₃*△P _1,3；

Then the generated output of this first generator unit current time is increased △ x by this power supply control apparatus ₁.According to said process, generated output current for other generator units adjusts by this power supply control apparatus.

It should be noted that, r ₁, r ₂and r ₃can be arranged by user, when the generated output of this first generator unit current time is more steady, can r be increased ₃value, current time generated output fluctuation larger time, can r be increased ₁value, wherein, r ₃for the weights of this first generator unit in long time period, r ₁for the weights of this first generator unit in short cycle.

In addition, above-mentioned steps S201 to step S203 is the explanation to single power supply control apparatus, and in a particular application, the quantity of the present invention to the described power supply control apparatus that micro-grid system comprises is not construed as limiting.

Particularly, for larger micro-grid system, due to a fairly large number of generator unit may be there is in this micro-grid system, single power supply control apparatus cannot meet demand for control, now, this micro-grid system can arrange multiple described power supply control apparatus, set up power supply control apparatus cluster, in this power supply control apparatus cluster, the mode of equity can be adopted between each power supply control apparatus to realize group decision, also host-guest architecture can be adopted to realize backup and disaster tolerance function, to meet the demand for control of this micro-grid system to a fairly large number of generator unit.

Adopt said method, power supply control apparatus obtains constraints and the preset function relation of the generated output of each generator unit within least one cycle, and the target function of functional relation determination micro-capacitance sensor according to each generator unit, then this power supply control apparatus obtains the target generated output of each generator unit within least one cycle described according to this constraints and this target function, and adjusts according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.Constraints due to each generator unit comprises the generated output of generator unit and the relation of the relation of load running power and the generated output of generator unit and critical event, therefore this power supply control apparatus can regulate and control the power supply of whole micro-capacitance sensor according to the change of different loadtypes and critical event, improves micro-capacitance sensor from the reliability of net power supply and power supplying efficiency.

The embodiment of the present invention provides a kind of power supply control apparatus 30, and as shown in Figure 3, this power supply control apparatus 30 comprises:

Acquiring unit 31, for obtaining constraints and the preset function relation of the generated output of each generator unit within least one cycle.

Wherein, this preset function relation comprises the generated output of this each generator unit and the relation of target factor, and the end time in this at least one cycle is current time.

Processing unit 32, the functional relation for getting according to this acquiring unit 31 determines the target function of this micro-capacitance sensor, and obtains the target generated output of each generator unit within this at least one cycle according to this constraints and this target function.

This processing unit 32 also for, adjust according to the generated output of target generated output to this each generator unit current time of this each generator unit within this at least one cycle.

Particularly, this micro-grid system comprises multiple generator unit, and as wind power generation unit and photovoltaic generation unit, this power supply control apparatus obtains each generator unit in the constraints of the generated output in the different time cycle of current time and preset function relation.

It should be noted that, this power supply control apparatus can control the generated output of each generator unit according to the economic factor of this micro-capacitance sensor, now, this preset function relation is the generated output of each generator unit and the relation of cost of electricity-generating, this power supply control apparatus can control the generated output of each generator unit according to the safety factor of this micro-capacitance sensor, now, this preset function relation is the generated output of each generator unit and the relation of coefficient of safety.

Alternatively, this acquiring unit 32 specifically for, obtain the constraints of the generated output of this each generator unit:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}}$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}be the target generated output in this at least one cycle of i-th generator unit, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of this i-th generator unit, P _{i, Gen, max}for the maximum generation power of this i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

Illustratively, this power supply control apparatus obtains the constraints of the generated output of i-th generator unit within the t1 cycle of current time, and wherein, this constraints comprises the condition of the scope of the generated output of this i-th generator unit of constraint within the t1 cycle:

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

The condition of the transmission line capability of constraint key transmission circuit:

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

Retrain the condition of the line loss of every bar transmission line:

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Again because the generated output of all generator units of micro-capacitance sensor within the described t1 cycle equal the power loss sum of loaded operate power and all transmission lines, therefore Prescribed Properties again:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}}.$

According to said process, this power supply control apparatus can also obtain the constraints of the generated output of this i-th generator unit in the different cycles of current time, as t2 cycle and t3 cycle etc., wherein, this t1 cycle, this t2 cycle is different with the time span in this t3 cycle, the time span in such as this t1 cycle is 5 hours, the time span in this t2 cycle is 10 hours, the time span in this t3 cycle is 24 hours, namely this power supply control apparatus can obtain the constraints of each generator unit in first 5 hours of current time respectively, constraints in first 10 hours of current time and the constraints in first 24 hours of current time.

It should be noted that, the first border coefficient ρ ₁, the second boundary coefficient ρ ₂with the 3rd border coefficient ρ ₃may have different values within the different time cycles, like this, the constraints of each generator unit within the different time cycle will be different, wherein, and ρ ₁, ρ ₂, ρ ₃value size determine the power of constraints, such as, within the t1 time cycle, have atrocious weathers such as raining or snow, then increase ρ ₁, ρ ₂, ρ ₃value, promote the coboundary of the generated output of each generator unit, that is, in atrocious weather, each generator unit can reach larger generated output, and for example during festivals or holidays, in order to ensure power supply, also can increase ρ ₁, ρ ₂, ρ ₃value, wherein, this power supply control apparatus is by the decision information that gets or receive the instruction that user issues and realize this ρ ₁, ρ ₂, ρ ₃the dynamic regulation of value.

Alternatively, this acquiring unit 31 specifically for, obtain this preset function relation:

C _i,Gen=C _i(p)；

This processing unit 32 specifically for, determine that the target function of this micro-capacitance sensor is according to the cost of electricity-generating of this each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{C}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

Wherein, C _{i, Gen}for the cost of electricity-generating of this i-th generator unit, p is the generated output of this i-th generator unit, C _ithe function of p cost of electricity-generating that () is this i-th generator unit and the generated output of this i-th generator unit.

It should be noted that, the cost of electricity-generating of generator unit under different operate powers is different, C _{i, Gen}=C _ip () represents the cost of electricity-generating of i-th generator unit when generated output is P, namely this i-th generator unit is when generated output is P, and the power of each watt needs the Financial cost expended to be C _{i, Gen}.

Further, this power supply control apparatus is according to the target function of the functional relation determination micro-capacitance sensor of the generated output of all generator units and target factor, if this functional relation is the generated output of generator unit and the relation of economic factor, then the target function of this micro-capacitance sensor represents that the Financial cost of this micro-capacitance sensor is minimum; If this functional relation is the generated output of generator unit and the relation of safety factor, then the target function of this micro-capacitance sensor represents that the coefficient of safety of this micro-capacitance sensor is the highest.

Illustratively, it is the generated output of each generator unit and the relation of cost of electricity-generating that the preset function that this power supply control apparatus obtains is closed:

C _i,Gen=C _i(p)；

Then according to the cost of electricity-generating of this each generator unit and the functional relation of generated output, this power supply control apparatus determines that the target function of this micro-capacitance sensor is:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{C}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

Then this power supply control apparatus calculates this target function according to the constraints of each generator unit within least one cycle, is met the target generated output of each generator unit within least one cycle of this target function.

Illustratively, this micro-capacitance sensor comprises two generator units, two loads and two transmission lines, wherein, have a key transmission circuit in these two transmission lines, this power supply control apparatus obtains the constraints of the first generator unit and the generated output of the second generator unit in first 5 hours of current time:

P _1,Gen+P _2,Gen=P _1,Load+P _2,Load+△P _1,Loss+△P _2,Loss；

P _1,Gen,min≤P _1,Gen≤ρ ₁*P _1,Gen,max；

P _2,Gen,min≤P _2,Gen≤ρ ₁*P _2,Gen,max；

|P _1,Tran|≤ρ ₂*P _1,Tran,max；

△P _1,Loss≤ρ ₃*△P _1,Loss,max；

△P _2,Loss≤ρ ₃*△P _2,Loss,max；

This power supply control apparatus obtains the cost of electricity-generating of this first generator unit and the functional relation of generated output:

C _1,Gen=2P _1,Gen；

The cost of electricity-generating of this second generator unit and the functional relation of generated output:

C _2,Gen=P _2,Gen ²；

Then this power supply control apparatus determines that the target function of this micro-capacitance sensor is:

min（2P _1,Gen*P _1,Gen+P _2,Gen ²*P _2,Gen）。

This power supply control apparatus determines the power bracket of the generated output of this first generator unit and this second generator unit by above-mentioned constraints, and determines by linear programming the P meeting this target function in this power bracket _{1, Gen}and P _{2, Gen}, obtain the target generated output of this first generator unit in first 5 hours of current time and the target generated output of this first generator unit in first 5 hours of current time.According to the method described above, this power supply control apparatus can also obtain this first generator unit and the target generated output of this second generator unit within the other times cycle of current time.

Alternatively, this processing unit 32 specifically for, determine the target generated output of this each generator unit within each cycle and the difference of current time generated output, and the generated output adjustment amount of this each generator unit is determined according to this each generator unit this difference within this at least one cycle, the generated output of generated output adjustment amount to this each generator unit current time according to this each generator unit adjusts.

Alternatively, this processing unit 32 specifically for, determine that the difference of the target generated output of this each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Determine that the generated output adjustment amount of this each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for this i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for this i-th generator unit is at the generated output of current time.△ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of this i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

This processing unit 32 also for, the generated output of this each generator unit current time is increased generated output adjustment amount corresponding to this each generator unit.

Illustratively, this power supply control apparatus obtains the target generated output P of the first generator unit in first 5 hours of current time by step S202 _{1, Gen, 1}, target generated output P in first 10 hours of current time _{1, Gen, 2}with the target generated output P in first 24 hours of current time _{1, Gen, 3}, then this power supply control apparatus calculates the difference of the generated output of this first generator unit current time of the target generated output of this first generator unit in different cycles respectively:

△P _1,1=P _1,Gen,1-P _i,Gen,pre，△P _1,2=P _1,Gen,2-P _i,Gen,pre，△P _1,3=P _1,Gen,3-P _i,Gen,pre；

This power supply control apparatus is according to this △ P _1,1, △ P _1,2with △ P _1,3determine that the generated output adjustment amount of this first generator unit is with the weights of correspondence:

△x ₁=r ₁*△P _1,1+r ₂*△P _1,2+r ₃*△P _1,3；

Then the generated output of this first generator unit current time is increased △ x by this power supply control apparatus ₁.According to said process, generated output current for other generator units adjusts by this power supply control apparatus.

It should be noted that, r ₁, r ₂and r ₃can be arranged by user, when the generated output of this first generator unit current time is more steady, can r be increased ₃value, current time generated output fluctuation larger time, can r be increased ₁value, wherein, r ₃for the weights of this first generator unit in long time period, r ₁for the weights of this first generator unit in short cycle.

In addition, in a particular application, the quantity of the present invention to the described power supply control apparatus that micro-grid system comprises is not construed as limiting.

Particularly, for larger micro-grid system, due to a fairly large number of generator unit may be there is in this micro-grid system, single power supply control apparatus cannot meet demand for control, now, this micro-grid system can arrange multiple described power supply control apparatus, set up power supply control apparatus cluster, in this power supply control apparatus cluster, the mode of equity can be adopted between each power supply control apparatus to realize group decision, also host-guest architecture can be adopted to realize backup and disaster tolerance function, to meet the demand for control of this micro-grid system to a fairly large number of generator unit.

Adopt above-mentioned power supply control apparatus, this power supply control apparatus obtains constraints and the preset function relation of the generated output of each generator unit within least one cycle, and the target function of functional relation determination micro-capacitance sensor according to each generator unit, then this power supply control apparatus obtains the target generated output of each generator unit within least one cycle described according to this constraints and this target function, and adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.Constraints due to each generator unit comprises the generated output of generator unit and the relation of the relation of load running power and the generated output of generator unit and critical event, therefore this power supply control apparatus can regulate and control the power supply of whole micro-capacitance sensor according to the change of different loadtypes and critical event, improves micro-capacitance sensor from the reliability of net power supply and power supplying efficiency.

Affiliated those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the power supply control apparatus of foregoing description and description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.

The embodiment of the present invention provides a kind of power supply control apparatus 40, and as shown in Figure 4, this power supply control apparatus 40 comprises:

Processor (processor) 41, communication interface (Communications Interface) 42, memory (memory) 43 and communication bus 44; Wherein, described processor 41, described communication interface 42 complete mutual communicating with described memory 43 by described communication bus 44.

Processor 41 may be a multi-core central processing unit CPU, or specific integrated circuit ASIC(Application Specific Integrated Circuit), or be configured to the one or more integrated circuits implementing the embodiment of the present invention.

Memory 43 is for depositing program code, and described program code comprises computer-managed instruction and network flow graph.Memory 43 may comprise high-speed RAM memory, still may comprise nonvolatile memory (non-volatile memory), such as at least one magnetic disc store.

Described communication interface 42, for realizing the connection communication between these devices.

Described processor 41 for performing the program code in described memory 43, to realize following operation:

Obtain constraints and the preset function relation of the generated output of each generator unit within least one cycle, and the target function of described micro-capacitance sensor is determined according to described functional relation, and obtain the target generated output of each generator unit within least one cycle described according to described constraints and described target function, adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.

Wherein, described preset function relation comprises the described generated output of each generator unit and the relation of target factor, and the end time at least one cycle described is current time.

Alternatively, described operation also comprises, and obtains the constraints of the generated output of each generator unit within least one cycle:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}};$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}be the target generated output of i-th generator unit within least one cycle described, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

Alternatively, described operation also comprises, and obtains the preset function relation of each generator unit:

C _i,Gen=C _i(p)；

Determine that the target function of described micro-capacitance sensor is according to the described cost of electricity-generating of each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{C}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

Wherein, C _{i, Gen}for the cost of electricity-generating of described i-th generator unit, p is the generated output of described i-th generator unit, C _ithe function of p cost of electricity-generating that () is described i-th generator unit and the generated output of described i-th generator unit.

Alternatively, described operation also comprises, determine the target generated output of described each generator unit within each cycle and the difference of current time generated output, and determine the generated output adjustment amount of described each generator unit according to the described difference of described each generator unit within least one cycle described, and adjust according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit.

Alternatively, described operation also comprises, and determines that the difference of the target generated output of described each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for described i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for described i-th generator unit is at the generated output of current time;

Determine that the generated output adjustment amount of described each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

The generated output of described each generator unit current time is increased generated output adjustment amount corresponding to described each generator unit.

Wherein, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of described i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (10)

1. control the method that micro-capacitance sensor is powered, it is characterized in that, comprising:

Power supply control apparatus obtains constraints and the preset function relation of the generated output of each generator unit within least one cycle; Wherein, described preset function relation comprises the described generated output of each generator unit and the relation of target factor, and the end time at least one cycle described is current time;

Determine the target function of described micro-capacitance sensor according to described functional relation, and obtain the target generated output of each generator unit within least one cycle described according to described constraints and described target function;

Adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.

2. method according to claim 1, is characterized in that, described constraints comprises:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}};$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}be the target generated output of i-th generator unit within least one cycle described, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

3. method according to claim 2, is characterized in that, described preset function relation comprises:

C _i,Gen=C _i(p)；

Wherein, C _{i, Gen}for the cost of electricity-generating of described i-th generator unit, p is the generated output of described i-th generator unit, C _ithe function of p cost of electricity-generating that () is described i-th generator unit and the generated output of described i-th generator unit;

Then describedly determine that the target function of described micro-capacitance sensor comprises according to described functional relation:

Determine that the target function of described micro-capacitance sensor is according to the described cost of electricity-generating of each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{G}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

4. the method according to any one of claims 1 to 3, is characterized in that, describedly carries out adjustment according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described and comprises:

Determine the target generated output of described each generator unit within each cycle and the difference of current time generated output;

Determine the generated output adjustment amount of described each generator unit according to the described difference of described each generator unit within least one cycle described, and adjust according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit.

5. method according to claim 4, is characterized in that, describedly determines that the difference of the target generated output of described each generator unit within each cycle and current time generated output comprises:

Determine that the difference of the target generated output of described each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for described i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for described i-th generator unit is at the generated output of current time;

The described generated output adjustment amount determining described each generator unit according to the described difference of described each generator unit within least one cycle described, and carry out adjustment according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit and comprise:

Determine that the generated output adjustment amount of described each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Wherein, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of described i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

The generated output of described each generator unit current time is increased generated output adjustment amount corresponding to described each generator unit.

6. a power supply control apparatus, is characterized in that, comprising:

Acquiring unit, for obtaining constraints and the preset function relation of the generated output of each generator unit within least one cycle; Wherein, described preset function relation comprises the described generated output of each generator unit and the relation of target factor, and the end time at least one cycle described is current time;

Processing unit, the functional relation for getting according to described acquiring unit determines the target function of described micro-capacitance sensor, and obtains the target generated output of each generator unit within least one cycle described according to described constraints and described target function;

Described processing unit also for, adjust according to the generated output of target generated output to described each generator unit current time of described each generator unit within least one cycle described.

7. power supply control apparatus according to claim 6, is characterized in that, described acquiring unit specifically for, obtain the constraints of the generated output of described each generator unit:

$\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{P}_{i,\mathrm{Gen}}=\underset{j=1}{\overset{z}{\mathrm{\Σ}}}{P}_{j,\mathrm{Load}}+\underset{k=1}{\overset{m}{\mathrm{\Σ}}}{\mathrm{\ΔP}}_{k,\mathrm{Loss}}$

P _i,Gen,min≤P _i,Gen≤ρ ₁*P _i,Gen,max；

|P _h,Tran|≤ρ ₂*P _h,Tran,max；

△P _k,Loss≤ρ ₃*△P _k,Loss,max；

Wherein, P _{i, Gen}for the target generated output at least one cycle described in i-th generator unit, n is the quantity of generator unit, P _{j, Load}for the operate power of a jth load, z is the quantity of load, △ P _{k, Loss}for the loss of kth bar power circuit, m is the quantity of power circuit, P _{i, Gen, min}for the minimum generated output of described i-th generator unit, P _{i, Gen, max}for the maximum generation power of described i-th generator unit, ρ ₁be the first border coefficient, P _{h, Tran}be the trnamission capacity of h article of vital electrical circuit, P _{h, Tran, max}be the transmission line capability of h article of vital electrical circuit, ρ ₂for the second boundary coefficient, △ P _{k, Loss}for the power consumption of kth bar power circuit, △ P _{k, Loss, max}for the power consumption maximum of kth bar power circuit, ρ ₃be the 3rd border coefficient, wherein, 0≤ρ ₁≤ 1,0≤ρ ₂≤ 1,0≤ρ ₃≤ 1.

8. power supply control apparatus according to claim 7, is characterized in that, described acquiring unit specifically for, obtain described preset function relation:

C _i,Gen=C _i(p)；

Wherein, C _{i, Gen}for the cost of electricity-generating of described i-th generator unit, p is the generated output of described i-th generator unit, C _ithe function of p cost of electricity-generating that () is described i-th generator unit and the generated output of described i-th generator unit;

Described processing unit specifically for, determine that the target function of described micro-capacitance sensor is according to the described cost of electricity-generating of each generator unit and the functional relation of generated output:

$\min \underset{i=1}{\overset{n}{\mathrm{\Σ}}}{G}_{i,\mathrm{Gen}}*P_{i,\mathrm{Gen}}.$

9. the power supply control apparatus according to any one of claim 6 to 8, is characterized in that, described processing unit specifically for, determine the target generated output of described each generator unit within each cycle and the difference of current time generated output;

Determine the generated output adjustment amount of described each generator unit according to the described difference of described each generator unit within least one cycle described, and adjust according to the generated output of generated output adjustment amount to described each generator unit current time of described each generator unit.

10. power supply control apparatus according to claim 9, is characterized in that, described processing unit specifically for, determine that the difference of the target generated output of described each generator unit within each cycle and current time generated output is:

△P _i,v=P _i,Gen,v-P _i,Gen,pre；

Wherein, △ P _i,vbe the target generated output of i-th generator unit within v cycle and the difference of current time generated output, P _{i, Gen, v}for described i-th generator unit is at the target generated output in v cycle, P _{i, Gen, pre}for described i-th generator unit is at the generated output of current time;

Determine that the generated output adjustment amount of described each generator unit is:

${\mathrm{\Δx}}_i=\underset{v=1}{\overset{u}{\mathrm{\Σ}}}{r}_v*{\mathrm{\ΔP}}_{i,v};$

Wherein, △ x _ibe the generated output adjustment amount of i-th generator unit, u is amount of cycles, r _vfor the weights of described i-th generator unit within v cycle, wherein, 0≤r _v≤ 1,

The generated output of described each generator unit current time is increased generated output adjustment amount corresponding to described each generator unit.