CN104114403B - System and method for manipulating energy storing device - Google Patents
System and method for manipulating energy storing device Download PDFInfo
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- CN104114403B CN104114403B CN201380010557.7A CN201380010557A CN104114403B CN 104114403 B CN104114403 B CN 104114403B CN 201380010557 A CN201380010557 A CN 201380010557A CN 104114403 B CN104114403 B CN 104114403B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004146 energy storage Methods 0.000 claims abstract description 93
- 230000008878 coupling Effects 0.000 claims abstract description 77
- 238000010168 coupling process Methods 0.000 claims abstract description 77
- 238000005859 coupling reaction Methods 0.000 claims abstract description 77
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The present invention relates to a kind of method for manipulating energy storing device, there is the energy storing device multiple to be connected on the energy storage module in energy supply branch road, and the energy storage module includes respectively：Energy stores list pond module with least one energy stores list pond, with the coupling device with coupling element, the coupling element is designed to that energy stores list pond module selective is connected in corresponding energy supply branch road or bridged the energy stores list pond module.The method has step herein：Pulse Inverter and the operational factor of energy storing device that detection motor is coupled with motor；The quantity of energy storage module is selected according at least one of operational factor for being detected；Be connected to the energy stores list pond module of selected energy storage module in energy supply branch road by the coupling element for manipulating the coupling device of selected energy storage module；And to provide the DC voltage intermediate circuit that Pulse Inverter feeds total output voltage of energy supply branch road.
Description
Technical field
The present invention relates to being used to manipulate energy storing device, especially there is the modularization that output voltage is classified for producing
The system and method for the energy storing device of battery system.
Background technology
Show, moved in the static applications of such as wind generator facility or solar power-generating facility and such as mixing in the future
It is increasingly using electronic system in the vehicle of power vehicle or electric vehicle, the electronic system is by new energy storage technologies
It is combined with electric drive technology.
Feeding in multiphase current to motor is generally realized by the converter of Pulse Inverter form.In this regard, can be with
The DC voltage conversion that will be provided by DC voltage intermediate circuit is polyphase ac voltage, such as three-phase alternating voltage.Direct current
Branch road that voltage intermediate circuit is made up of the battery module connected herein feeds.In order to can meet for it is corresponding apply to
The requirement to power and energy for going out, multiple battery modules of often being connected in traction battery.
The A1 of publication DE 10 2,010 027 857 and the A1 of DE 10 2,010 027 861 disclose energy storing device
In modularization wiring battery list pond, these battery list ponds can be selectively coupled to by the appropriate manipulation of coupling unit
In the branch road be made up of the battery list pond connected or from the branch decoupling.Such system is by title Battery Direct
Converter（The direct converter of battery, BDC）And it is known.Such system includes the direct current in energy storage module branch road
Stream source, the DC current source may be coupled to the DC voltage for supplying electric energy to motor or power network by Pulse Inverter
On intermediate circuit.
Energy storage module branch road has the energy storage module of multiple series connection, wherein each energy storage module tool herein
There are at least one battery list pond and the controllable coupling unit for being distributed, the coupling unit is allowed to be bridged according to control signal and divided
At least one battery list pond do not distributed or at least one battery list pond that will be respectively allocated are connected to corresponding energy storage module
In branch road.Alternatively, coupling unit can be formed such that the coupling unit additionally allows to distinguish at least for being distributed
Individual battery list pond is also connected in corresponding energy storage module branch road or also interrupts corresponding energy stores with opposite polarity
Module branch road.
BDC is relative to the conventional system generally fail safe with efficiency and Geng Gao higher.Fail safe is outstanding
It is ensured by following, i.e., defective, failed or can be single by coupling without completely powerful battery list pond
The appropriate bridging manipulation of unit disconnects from energy supply branch road.Total output voltage of energy storage module branch road can be single by coupling
Unit corresponding manipulation and change and especially can hierarchically be adjusted.The classification of output voltage is herein by single energy
The voltage of memory module show that wherein total output voltage of maximum possible passes through all energy stores of energy storage module branch road
The voltage sum of module determines.
In order to adjust the output voltage of energy storage module, the pulse width modulation of coupling unit can be carried out（PWM）Behaviour
Control.It is possible thereby to by turning on and off the targetedly change of time using desired average value as energy storage module
Voltage output.
Exist for the control method of control strategy and the demand of control system can be realized by it for this BDC,
The control strategy independently ensure that in system loss power, each system unit with the charged state in the battery list pond of BDC
In loss power and/or the voltage stability in DC voltage intermediate circuit be minimized in the case of electricity in the middle of DC voltage
The optimal correction of voltage in road.
The content of the invention
The present invention proposes a kind of method for manipulating energy storing device, the energy storing device according to one side
The energy storage module in energy supply branch road is connected on multiple, the energy storage module includes respectively：With at least
The energy stores list pond module and the coupling device with coupling element in one energy stores list pond, the coupling element are designed
In corresponding energy supply branch road or the energy stores list is bridged for energy stores list pond module selective to be connected to
Pond module.Methods described has step herein：Pulse Inverter and the fortune of energy storing device that detection motor is coupled with motor
Line parameter；The quantity of energy storage module is selected according at least one of operational factor for being detected；Manipulation is selected
The coupling element of the coupling device of energy storage module connects the energy stores list pond module of selected energy storage module
To in energy supply branch road；And to provide the total of energy supply branch road to the DC voltage intermediate circuit that Pulse Inverter feeds
Output voltage.
According on the other hand, the present invention provides a kind of system, and the system has energy storing device, and the energy is deposited
There is storage device multiple to be connected on the energy storage module in energy supply branch road, and the energy storage module includes having respectively
The energy stores list pond module and the coupling device with coupling element at least one energy stores list pond, the coupling element quilt
It is designed for energy stores list pond module selective is connected in corresponding energy supply branch road or bridged the energy and deposits
Chu Dan ponds module.The system also has：DC voltage intermediate circuit, the DC voltage intermediate circuit and energy storing device
Coupling；Pulse Inverter, the Pulse Inverter is coupled and from DC voltage intermediate circuit with DC voltage intermediate circuit
Feeding input voltage；Motor, the motor couples with Pulse Inverter and phase voltage is supplied from Pulse Inverter；And control
Device processed, the control device couples with coupling device and is designed to perform and of the invention deposited for manipulating energy
The method of storage device.
Advantages of the present invention
Idea of the invention is that, will there is the energy storing device manipulation of the battery unit being modularly connected in branch road
For so that the intermediate circuit voltage of the DC voltage intermediate circuit fed by energy storing device is optimized, and is especially existed
The charged state aspect in the battery list pond of loss power or energy storing device in total system, in each system unit.This
Can be carried out by the relevant operational factor of difference in detecting system neutralized system part, the analysis of the operational factor is caused
The suitable quantity that the battery list pond to be accessed can be selected and the suitable output voltage for therefore adjusting energy storing device.
An implementation method according to the inventive method, detection operational factor can include the rotating speed and motor of detection motor
Torque, and select the quantity of energy storage module according to the rotating speed for being detected and the torque for being detected and carry out.
According to another implementation method of the inventive method, detection operational factor can include filling for detection energy stores list pond
Electricity condition, and select the quantity of energy storage module to be carried out according to charged state.
According to another implementation method of the inventive method, the quantity of energy storage module is selected by determining by being detected
Rotating speed and the characteristic family that is opened of the torque that is detected in the previously given quantity of energy storage module carry out.
According to another implementation method of the inventive method, methods described can also include step：Detect the operation mould of motor
Formula, and the selected quantity of energy storage module is restricted to by maximum quantity according to the operational mode for being detected.
There is one implementation method of system according to the invention, coupling device power mosfet switch or IGBT to switch.
The further feature and advantage of embodiments of the present invention are drawn by the explanation of subsequent refer to the attached drawing.
Brief description of the drawings
Fig. 1 shows a kind of signal of the system with interchangeable energy storing device of implementation method of the invention
Figure；
Fig. 2 shows the schematic diagram of one embodiment of the energy storage module of the energy storing device according to Fig. 1；
Fig. 3 shows the schematic diagram of another embodiment of the energy storage module of the energy storing device according to Fig. 1；
The efficiency that Fig. 4 shows energy storing device is shown with the chart of the relation of the quantity of the energy storage module for being accessed
It is intended to；
Fig. 5 shows the quantity of the loss power and the energy storage module for being accessed in the system with energy storing device
Relation chart schematic diagram；
Fig. 6 is shown according to the loss for accessing energy storage module of another implementation method energy storing device of the invention most
The schematic diagram of the characteristic family of excellent quantity；And
Fig. 7 shows the method for the energy storing device in replacement system of another embodiment of the invention
Schematic diagram.
Specific embodiment
Fig. 1 is shown for being for n cross streams voltages by the DC voltage provided by energy storage module 3 voltage conversion
System 100.The system 100 includes the energy storing device 1 with energy storage module 3, and these energy storage modules are connected on energy
In amount supply branch road.The energy supply branch road is coupling between two lead-out terminals 1a and 1b of energy storing device 1, the two
Lead-out terminal is respectively coupled on DC voltage intermediate circuit 2b.Exemplarily, the system 100 is used for three-phase electricity in Fig. 1
Machine 6 feeds.But can also specify, energy storing device 1 be used to produce electric current for energy supply net 6.
For this energy storing device 1 is coupled by coupling inductance 2a with DC voltage intermediate circuit 2b.Coupling inductance 2a
It such as can be the sense being targetedly connected between DC voltage intermediate circuit 2b and the lead-out terminal 1a of energy storing device 1
Answer reactor.Alternatively it is also possible that the stray inductance that coupling inductance 2a passes through to exist is formed on energy anyway
In wiring between storage device 1 and DC voltage intermediate circuit 2b.
DC voltage intermediate circuit 2b feeds to Pulse Inverter 4, and the Pulse Inverter 4 is from DC voltage intermediate circuit 2b
DC voltage in for motor 6 provide three-phase alternating voltage.
System 100 can include control device 8 in addition, and the control device is connected with energy storing device 1, and can borrow
Help the control device to control energy storing device 1, so that desired total output voltage of energy storing device 1 is supplied to
Corresponding lead-out terminal 1a, 1b.Additionally, the control device 8 can be designed to, deposited in the energy to energy storing device 1
The corresponding coupling element or active switching element of manipulation energy storing device 1 when Chu Danchi charges.
The energy supply branch road of energy storing device 1 has the energy storage module 3 of at least two series connection.Exemplarily,
The quantity of energy storage module 3 is in Fig. 14, but each other quantity of wherein energy storage module 3 be equally can
With.Energy storage module 3 has two lead-out terminals 3a and 3b respectively, can provide energy by the two lead-out terminals and deposit
Store up the module output voltage of module 3.Because energy storage module 3 is initially series connection, the module of energy storage module 3 is defeated
Go out voltage and be summed into total output voltage, total output voltage is provided to lead-out terminal 1a, 1b of energy storing device 1.
Two exemplary structure types of energy storage module 3 are illustrated in more detail in figs. 2 and 3.Energy is deposited
Storage module 3 includes the coupling device 7 with multiple coupling element 7a, 7c and 7b and 7d respectively herein.Energy storage module 3 this
The outer energy stores list pond module 5 for including energy stores list pond 5a to the 5k with one or more series connection respectively.
Energy stores list pond module 5 can for example have single pond 5a to 5k, such as lithium ion list pond of series connection herein.Herein
It is, for example, two in the quantity of energy stores list pond 5a to 5k energy storage module 3 shown in figs. 2 and 3, but its
Each other quantity of middle energy stores list pond 5a to 5k are equally possible.Energy stores list pond module 5 has terminal voltage
UMAnd it is connected with the input terminal of affiliated coupling device 7 by connecting line.Therefore voltage UMIt is applied to affiliated coupling device
On 7 input.
In fig. 2, the coupling element 7a and 7c of series connection form the so-called left branch of full-bridge, the centre of the coupling element
Tap is connected with output end 3a, and the coupling element 7b and 7d for connecting form the so-called right branch of full-bridge, the coupling unit
The centre tap of part is connected with output end 3b.Coupling device 7 be configured in fig. 2 with each two coupling elements 7a, 7c and
Two full-bridge circuits of coupling element 7b, 7d.Coupling element 7a, 7b, 7c, 7d herein respectively can have active switching element,
Such as semiconductor switch and idle running diode connected in parallel.Herein it can be stated that coupling element 7a, 7b, 7c, 7d are configured to
Switch mosfet, these switch mosfets have had intrinsic diode.
Coupling element 7a, 7b, 7c, 7d can for example by control device 9 shown in Fig. 1 be steered for so that
Corresponding energy stores list pond module 5 is optionally connected between lead-out terminal 3a and 3b or by energy stores list pond module 5
Bridging.Reference picture 2, energy stores list pond module 5 for example can in the following manner with forward direction be connected to lead-out terminal 3a and 3b it
Between, i.e. the active switching element of the active switching element of coupling element 7d and coupling element 7a is placed in the state of closure, and coupling
Two remaining active switching elements for closing element 7b and 7c are placed in the state of opening.In this case, voltage UMIt is applied to
Between the output end 3a and 3b of coupling device 7.Bridging state can for example be adjusted in the following manner, i.e. coupling element 7a and
Two active switching elements of 7b are placed in the state of closure, and two active switching elements of coupling element 7c and 7d are kept
In the state opened.Second bridging state can for example be adjusted in the following manner, i.e., the two of coupling element 7c and 7d have
Source switch is placed in the state of closure, and two active switching elements of coupling element 7a and 7b are maintained at the state of opening.
Under two kinds of bridging states, voltage 0 is applied between two output ends 3a and 3b of coupling device 7.Equally, energy stores list pond
Module 5 can in the following manner to be reversely connected between the lead-out terminal 3a and 3b of coupling device 7, i.e. coupling element 7b and
The active switching element of 7c is placed in the state of closure, and the active switching element of coupling element 7a and 7d is placed in the shape of opening
State.In this case, voltage-UMIt is applied between two output ends 3a and 3b of coupling device 7.
Therefore by the appropriate manipulation of coupling device 7, each energy stores list pond module 5 of energy storage module 3 can be with
Targetedly it is integrated into the series circuit of energy supply branch road.It is possible thereby to pass through coupling device 7 targetedly
Manipulation is provided total defeated so that optionally the energy stores list pond module 5 of energy storage module 3 is connected in energy supply branch road
Go out voltage, total output voltage depends on each output voltage of the energy stores list pond module 5 of energy storage module 3.It is total defeated
Going out voltage can hierarchically be adjusted respectively herein, and its intermediate quantity is stretched with the quantity of energy storage module 3.In energy
The quantity of memory module 3 is measured in the case of n, total output voltage of energy supply branch road can be in-nUM..., 0 ... ,+
n·UMBetween point 2n+1 grades adjust.
Fig. 3 shows the schematic diagram of the configurations of the another exemplary of energy storage module 3.In 7 bags of this coupling device
Coupling element 7a and 7c are included, the coupling element can be by energy stores list pond module 5 or to bridge shape as half-bridge circuit
State is connected in energy supply branch road with on-state with forward direction.Additionally, as combine Fig. 3 for shown in figure 3 complete
As energy storage module 3 in bridge circuit is explained, there is similar manipulation rule to be applicable.
The full voltage at motor 6 is not usually required in the low engine speed range of motor 6.Therefore by electricity in the middle of DC voltage
It is sufficient that voltage of road 2b is adjusted in the low value of correspondence.The relatively low value for example can be by accordingly selecting energy stores
The quantity of the reduction of the energy storage module 3 in device 1 is carried out.
This aspect causes, and the switching loss in Pulse Inverter 4 is reduced, and the switching loss for example passes through pulse inversion
Switching and the corresponding idle electric current in the diode for distributing to IGBT switch of the IGBT switches in device 4 and produce,
Because these losses are approx as the input voltage being applied at Pulse Inverter 4 is flexible.On the other hand, the whirlpool in motor 6
Stream loss reduces, because the appearance degree of eddy current depends on the harmonic wave of total output voltage of energy storing device 1 in the same manner
Content.Additionally, the alternating voltage loss in the winding of motor 6 declines due to the rule.
On the contrary, the conduction loss of raising is produced in energy storing device 1, because the direct current in energy storing device 1
Flow component increases as the quantity of the energy storage module 1 for being accessed is reduced.Because direct-current component is in quadratic power mode
In the calculating of the conduction loss for entering into energy storing device 1, so loss at energy stores list pond module 5 is with being accessed
Energy storage module 3 quantity reduction and raise.
Efficiency eta and the chart of the relation of the quantity N of the energy storage module 3 for being accessed that Fig. 4 shows energy storing device 1
40 schematic diagram.In the chart 40 in the form of matter the different operational factors of input system 100 two characteristic curves 41 and 42.
It is illustratively assumed that the specific charged state of all energy stores list pond 5a to 5k, and as required by motor 6
Load.Characteristic curve 41 is presently shown in the case where the rotating speed D of motor 6 is small efficiency eta with the energy storage module 3 for being accessed
The rising of quantity N and decline.Rotating speed D for characteristic curve 41 for example can be about 500U/min.In turn, characteristic curve 42 shows
Go out the efficiency eta when the rotating speed D of motor 6 is high increases as the quantity N of the energy storage module 3 for being accessed is raised.For feature
The rotating speed D of line 42 for example can be about 10000U/min.
Fig. 5 shows loss power P and the energy for being accessed in the system 100 with energy storing device 1 in a similar manner
Measure the schematic diagram of the chart 50 of the relation of the quantity N of memory module 3.Characteristic curve 52 is exemplarily illustrated opening for Pulse Inverter 4
Loss is closed, the switching loss increases as the quantity of the energy storage module 3 for being accessed is raised.Conversely, characteristic curve 51 shows
The switching loss gone out in energy storing device 1, the switching loss is with the quantity increase of the energy storage module 3 for being accessed
Decline, because the current capacity on the coupling device of each energy storage module 3 is due to the distribution to multiple energy storage modules 3
And generally decline.Characteristic curve 53 shows exemplary master switch damage curve, its be especially depending upon characteristic curve 51 and 52 it
With.This feature line 53 has minimum value, wherein being damaged in system 100 in the case of the specific quantity N of energy storage module 3
Wasted work rate sum is minimum.
The first piloting strategies for energy storing device 1 can be derived from the characteristic, be by way of, in order to
Minimize system loss power or in order to optimize transient speed D of the system effectiveness respectively according to motor 6, momentary load and/or energy
The charged state of storage list pond 5a to 5k is measured to access energy stores in the energy supply branch road for selecting energy storing device 1
The optimal number of module 3.
Fig. 6 shows the feature of the optimal quantity of the loss for accessing energy storage module 3 of energy storing device 1 for this
The schematic diagram of family of curves 60.Characteristic family 60 can be for example according to motor 6 two systems parameter rotating speed D and torque M（For example
Power consumption）Constitute.For each point of characteristic family 60, the energy supply branch of energy storing device 1 can be determined herein
The optimal number of the energy storage module 3 to be accessed in road.Exemplarily in characteristic family 60 4 scopes 61 of typing,
62nd, 63 and 64.For example can it is optimal in scope 61 be only two energy storage modules 3 of access, and in scope 64 most
Excellent is to access 4 energy storage modules 3.Herein it should be appreciated that the situation that is merely exemplary of the diagram in Fig. 6, and in fact
Border characteristic family line may have deviation with selected diagram.
Simulate or scanned according to measurement to determine that characteristic family line 61 to 64 can be performed in the preparatory stage
Characteristic family.Identified characteristic family 60 with corresponding piloting strategies then can for example store the control in Fig. 1
In device processed 8.
It is still possible that the damage of the functional relation form being built up in control device 8 between the operational factor of system 100
Consumption model so that the calculating to the energy storage module 3 optimally to be accessed in control device 8 can be with system 100
Run time, namely it is performed online.In order to determine the operational factor of system 100, control device 8 can for example via biography
Sensor arrangement or measurement apparatus determine corresponding system part, such as energy storing device 1, Pulse Inverter 4 and/or motor
6 operational factor.
Select the energy storage module 3 to be accessed when another standard can be DC voltage intermediate circuit 2b in voltage
Voltage stability adjustment.This can be thus favourable, because the design of motor 6 is towards minimum input voltage.
In the case that energy stores list pond 5a to 5k discharges completely, the output voltage in each energy stores list pond is only maximum possible mark
Claim about the 60% of voltage.When motor 6 is designed to relatively low minimum voltage position, less wire turn is generally set, so as to
The pole wheel voltage of sensing is kept as small.
But when total output voltage of energy storing device 1 may remain in constant, especially higher level, motor
6 number of wire turns need not be reduced or motor 6 can be designed to minimum voltage position higher.Thus, energy storing device 1,
Voltage load reduction on Pulse Inverter 4 and every other electric connecting part such as plug, feed line, terminal.Additionally
The transition in from basic status to motor 6 field weakening region can be independently kept with the charged state of energy storing device 1.
In addition the part --- such as In-vehicle networking electric pressure converter or like --- for being fed by DC voltage intermediate circuit 2b
Voltage dispersion it is small so that the design of these parts more simply or can be formulated more effectively.
Therefore, the second piloting strategies for energy storing device 1 are, in order in stable DC voltage intermediate circuit 2b
The charged state selection of energy stores list pond 5a to 5k of the voltage location in energy storage module 3 to be linked into energy and deposit
Energy storage module 3 in the energy supply branch road of storage device 1 so that total output voltage of energy storing device 1 is relative to energy
The charged state for measuring memory module 3 keeps constant.In order to be provided in the case of the low charged state of energy storage module 3
Constant（It is high）Voltage, can select higher for this by the quantity of energy storage module 3.Such as number of energy storage module 3
Amount can be selected as so that total output of energy storing device 1 in the case of the fully charged state of all energy storage modules 3
Voltage is higher than for needed for operation Pulse Inverter 4 or permission.Thus, as the charged state of energy storage module 3 declines,
The quantity of the energy storage module 3 to be accessed gradually steps up the energy storage module 3 reserved in deposit.
It is last that energy storage module 3 is disconnected under the operational mode of motor 6, needed only under the operation module low defeated
Enter voltage or small rotating speed, the advantage in terms of switching loss in Pulse Inverter 4.For example in electric vehicle, wherein motor 6
Operational mode with small rotating speed is the starting at upward slope.Under the operational mode, the maximum that the display of Pulse Inverter 4 is allowed
Phase current.
3rd piloting strategies are, the energy storage module 3 that will be accessed under the previously given operational mode of motor 6
Quantity be limited to so that the input voltage at Pulse Inverter 4 is reduced by such degree, so that the Pulse Inverter is no longer
Limit the maximum phase current for allowing.Thus switching loss reduction especially in Pulse Inverter 4, this result causes motor 6
The design of improvement because the axial length of motor 6 in order to realize sufficiently high torque, for example in order to the starting at hillside without
The phase current of Pulse Inverter 4 must be again matched with.
Fig. 7 shows the schematic diagram of the method 70 for manipulating the energy storing device 1 in energy storing device, such as Fig. 1.
The method 70 can for example be realized by the control device 8 in Fig. 1 herein.Three kinds of manipulations being set forth above are considered in the method
Strategy.For this control device 8 can have detection circuit 8a, 8b and 8c, deposited with energy using these detection line control units 8
Storage module 3, Pulse Inverter 4 and motor 6 are connected, and can detect that the operation of corresponding component is joined via these detection circuits
Number.
Method 70 can have the Pulse Inverter and energy stores for detecting that motor is coupled with motor as first step 71
The operational factor of device 1.The operational factor can include the torque of the rotating speed and motor of motor herein.In addition energy can be detected
The charged state in energy stores list pond of storage device 1 is measured as operational factor.
In second step 72, the number of energy storage module is selected according at least one of operational factor for being detected
Amount, then manipulates the coupling element of coupling device of selected energy storage module by selected energy in step 73
The energy stores list pond module of memory module is connected in energy supply branch road.It is possible thereby to be in step 74 to Pulse Inverter
The DC voltage intermediate circuit of feed provides total output voltage of energy supply branch road.
In addition the operational mode of motor can alternatively be detected and according to the operational mode for being detected by energy stores mould
The selected quantity of block is restricted to maximum quantity.This specific run pattern especially in motor, for example there is the slow-speed of revolution and height
It is favourable under the operational mode of torque.The limitation of maximum quantity can be deposited relative to the selection energy for being carried out in step 72.
The quantity for storing up module is prioritized, that is to say, that the quantity of energy storage module is excessively maximum according to the operational mode lid for being detected
Value function.
Claims (6)
1. it is used to manipulate energy storing device（1）Method（70）, the energy storing device（1）Energy is connected on multiple
Energy storage module in supply branch road（3）, the energy storage module（3）Include respectively：
With at least one energy stores list pond（5a、5k）Energy stores list pond module（5）, and
With coupling element（7a、7b；7c、7d）Coupling device（7）, the coupling element is designed to energy stores list
Pond module（5）Optionally it is connected in corresponding energy supply branch road or bridges the energy stores list pond module（5）,
Wherein methods described（70）Including step：
Detection（71）Motor（6）With motor（6）The Pulse Inverter of coupling（4）And energy storing device（1）Operational factor；
According to motor（6）Or and motor（6）The Pulse Inverter of coupling（4）At least one of the operational factor for being detected come
Selection（72）Energy storage module（3）Quantity；
Manipulation（73）Selected energy storage module（3）Coupling device（7）Coupling element（7a、7b；7c、7d）By institute
The energy storage module of selection（3）Energy stores list pond module（5）It is connected in energy supply branch road；And
It is to Pulse Inverter（4）The DC voltage intermediate circuit of feed（2b）Total output voltage of energy supply branch road is provided,
Wherein detect（71）Operational factor includes detection motor（6）Rotating speed and motor（6）Torque, and wherein select（72）
Energy storage module（3）Quantity carried out according to the rotating speed that is detected and the torque for being detected.
2. method according to claim 1（70）, wherein detecting（71）Operational factor includes detection energy stores list pond
（5a、5k）Charged state, and wherein select（72）Energy storage module（3）Quantity carried out according to charged state.
3. method according to claim 1（70）, wherein selecting（72）Energy storage module（3）Quantity by determine exist
The characteristic family opened by the rotating speed for being detected and the torque for being detected（60）In energy storage module（3）In advance give
Fixed quantity is carried out.
4. according to the method that one of claims 1 to 3 is described（70）, also with step：
Detection motor（6）Operational mode；With
According to the operational mode for being detected by energy storage module（3）Selected quantity be restricted to maximum quantity.
5. system（100）, have：
Energy storing device（1）, the energy storing device（1）The energy stores in energy supply branch road are connected on multiple
Module（3）, the energy storage module（3）Include respectively：
With at least one energy stores list pond（5a、5k）Energy stores list pond module（5）, and
With coupling element（7a、7b；7c、7d）Coupling device（7）, the coupling element is designed to energy stores list
Pond module（5）Optionally it is connected in corresponding energy supply branch road or bridges the energy stores list pond module（5）；
DC voltage intermediate circuit（2b）, the DC voltage intermediate circuit and energy storing device（1）Coupling；
Pulse Inverter（4）, the Pulse Inverter and DC voltage intermediate circuit（2b）Couple and from the middle of DC voltage
Circuit（2b）Middle feeding input voltage；
Motor（6）, the motor and Pulse Inverter（4）Couple and from Pulse Inverter（4）Middle supply phase voltage；And
Control device（8）, the control device and coupling device（7）Couple and be designed to perform according to claim 1
It is described for manipulating energy storing device to one of 4（1）Method.
6. system according to claim 5（100）, wherein coupling device（7）With power mosfet switch or IGBT
Switch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012202863.3 | 2012-02-24 | ||
| DE102012202863A DE102012202863A1 (en) | 2012-02-24 | 2012-02-24 | System and method for driving an energy storage device |
| PCT/EP2013/050085 WO2013124079A1 (en) | 2012-02-24 | 2013-01-04 | System and method for actuating an energy storage device |
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| Publication Number | Publication Date |
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| CN104114403A CN104114403A (en) | 2014-10-22 |
| CN104114403B true CN104114403B (en) | 2017-06-27 |
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| CN201380010557.7A Active CN104114403B (en) | 2012-02-24 | 2013-01-04 | System and method for manipulating energy storing device |
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| Country | Link |
|---|---|
| CN (1) | CN104114403B (en) |
| DE (1) | DE102012202863A1 (en) |
| WO (1) | WO2013124079A1 (en) |
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| DE102014004234A1 (en) | 2014-03-25 | 2014-09-25 | Daimler Ag | Voltage regulator based on a single cell circuit |
| DE102014004655A1 (en) | 2014-03-29 | 2014-09-25 | Daimler Ag | Circuit arrangement for a motor vehicle |
| GB2556914A (en) | 2016-11-25 | 2018-06-13 | Dyson Technology Ltd | Battery system |
| DE102018106308B4 (en) | 2018-03-19 | 2020-02-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Modulation index improvement through intelligent battery |
| CN110266029A (en) * | 2019-06-03 | 2019-09-20 | 杭州模储科技有限公司 | A kind of modular multilevel energy-storage system |
| DE102020124737A1 (en) | 2020-09-23 | 2022-03-24 | Audi Aktiengesellschaft | Detection device, measuring arrangement, battery cell unit, motor vehicle and method for detecting a voltage |
| DE102020126989A1 (en) | 2020-10-14 | 2022-04-14 | Audi Aktiengesellschaft | Control device for controlling a battery of an on-board network for a motor vehicle, on-board network, motor vehicle and method for controlling a battery |
| CN114030388B (en) * | 2021-10-27 | 2024-02-27 | 智新控制系统有限公司 | Overcurrent protection system and method |
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| US5670861A (en) * | 1995-01-17 | 1997-09-23 | Norvik Tractions Inc. | Battery energy monitoring circuits |
| EP2056422A1 (en) * | 2007-11-01 | 2009-05-06 | Honda Motor Co., Ltd. | Battery discharge control system |
| CN102007666A (en) * | 2008-04-14 | 2011-04-06 | 罗伯特.博世有限公司 | Emergency power supply device for a hybrid vehicle |
| CN102136744A (en) * | 2010-01-26 | 2011-07-27 | Sb锂摩托有限公司 | Battery management system and a driving method thereof |
| DE102010027857A1 (en) * | 2010-04-16 | 2011-10-20 | Sb Limotive Company Ltd. | Coupling unit and battery module with integrated pulse inverter and increased reliability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010027861A1 (en) | 2010-04-16 | 2011-10-20 | Sb Limotive Company Ltd. | Coupling unit and battery module with integrated pulse inverter and exchangeable cell modules |
-
2012
- 2012-02-24 DE DE102012202863A patent/DE102012202863A1/en not_active Ceased
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2013
- 2013-01-04 CN CN201380010557.7A patent/CN104114403B/en active Active
- 2013-01-04 WO PCT/EP2013/050085 patent/WO2013124079A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670861A (en) * | 1995-01-17 | 1997-09-23 | Norvik Tractions Inc. | Battery energy monitoring circuits |
| EP2056422A1 (en) * | 2007-11-01 | 2009-05-06 | Honda Motor Co., Ltd. | Battery discharge control system |
| CN102007666A (en) * | 2008-04-14 | 2011-04-06 | 罗伯特.博世有限公司 | Emergency power supply device for a hybrid vehicle |
| CN102136744A (en) * | 2010-01-26 | 2011-07-27 | Sb锂摩托有限公司 | Battery management system and a driving method thereof |
| DE102010027857A1 (en) * | 2010-04-16 | 2011-10-20 | Sb Limotive Company Ltd. | Coupling unit and battery module with integrated pulse inverter and increased reliability |
Also Published As
| Publication number | Publication date |
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| CN104114403A (en) | 2014-10-22 |
| DE102012202863A1 (en) | 2013-08-29 |
| WO2013124079A1 (en) | 2013-08-29 |
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