CN103187802A - Fault tolerance testing method for simulation system of digital transformer substation - Google Patents
Fault tolerance testing method for simulation system of digital transformer substation Download PDFInfo
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- CN103187802A CN103187802A CN2012102414290A CN201210241429A CN103187802A CN 103187802 A CN103187802 A CN 103187802A CN 2012102414290 A CN2012102414290 A CN 2012102414290A CN 201210241429 A CN201210241429 A CN 201210241429A CN 103187802 A CN103187802 A CN 103187802A
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- tolerating measure
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention discloses a fault tolerance testing method for a simulation system of a digital transformer substation. The system is only controlled based on the digital substation and comprises a process layer, an interval layer and a transformer substation layer, wherein protection equipment, measurement control equipment and metering equipment are positioned in the interval layer; pieces of information between the interval layer and the process layer are interacted by a sampling value mapped by a specific communication service and a object-oriented transformer substation event to record a sampling value of the simulation system of the full-digital transformer and generic object-oriented substation event (GOOSE) message information, analyze and judge output information of the simulation system and the working performance of tested equipment in time, so that functions of recording digital faults, calibrating the current voltage waveform accuracy, adjusting the time standard and approval phases are realized; network analysis equipment can be used for recording a message of the whole network and analyzing an integrated Ethernet chip (IEC) 61850 protocol; and therefore, a whole processing and analyzing system can effectively and rapidly process a messages of the whole substation and is stable to operate.
Description
Technical field
The present invention relates to electric power control field, be specifically related to a kind of digital transformer substation analogue system tolerating measure method.
Background technology
Digital transformer substation has information digitalization, communication networkization, the standardized characteristics of information sharing, can develop the basis of senior application thereupon, is the important content that intelligent grid is built.It is the key character of digital transformer substation that network service substitutes secondary cable, and intelligent cell fault or message are wrong to cause system's malfunction or tripping with inevitable, therefore, can the simulated failure message will be an emulation test system critical function in future.At present domestic secondary device performances such as relaying protection at the fortune digital transformer substation still do not have the tolerating measure means are arranged, and can't satisfy check and the monitoring requirement of the full station equipment of digital transformer substation digitlization.
Summary of the invention
The invention provides a kind of digital transformer substation analogue system tolerating measure method.
For solving the problems of the technologies described above; the present invention is achieved through the following technical solutions: digital transformer substation analogue system tolerating measure method; can only control system based on digital transformer substation; comprise the process layer; three layers of wall and substation levels; wherein protection; equipment such as observing and controlling and metering belongs to wall; information is undertaken alternately by sampled value and the OO transformer substation case of particular communication service mapping between wall and the process layer; in this process; secondary device I/O unit decomposites a part that is used as intelligent primary equipment; belong to the process layer; adopt express network to connect to finish information interaction between secondary device (wall) and the primary equipment (process layer), analog network communication failure message is realized by following steps:
The message standard-required of the electric substation automation system of a, communications platform Network Based (IEC 61850-9-1, IEC61850-9-2), the tolerating measure that civilian transmission time interval does not wait;
Voltage, current value can not have the tolerating measure of abnormal conditions in b, the every frame message;
C, sample counter (SV) sampled value message have bottom pour ladle phenomenon tolerating measure;
D, merge cells are sent to the nonsynchronous tolerating measure of message data of protective device;
E, to the standard compliant tolerating measure of message towards object transformer station general purpose event (GOOSE);
F, to the communication disruption tolerating measure towards object transformer station general purpose event (GOOSE);
The message sequence mistake of g, MMS (Multimedia Message Service) (MMS), discontinuous, the control command mistake tolerating measure of control.
Further, described step a can be with the not equal time that is set to of former and later two messages, to observe the reaction of tested device when tolerating measure.
Further, described step b has a mind to produce some unusual electric current and voltage values when tolerating measure, to observe the reaction of tested device.
Further, described step c when tolerating measure, the SV sample counter is arranged to discontinuous, to observe the reaction of tested device.
Further, described steps d is when tolerating measure, and is different by the value of each time merge cells counter is arranged to, judge protective device how to each side sampled value synchronously.
Further, when described step e has new events to take place, when tolerating measure, will the transmission time mistake be set, to observe the reaction of tested device.
Further, whether the state in the described step e message number (StNum) and serial number (SqNum) numerical value change be correct, when tolerating measure, StNum and SqNum arranged mistake, to observe the reaction of tested device.
Further, described step f, value according to the shortest time of disposing in the SCD file (minTime) and maximum duration (maxTime), when 2 frame messages interval greater than 4 times shortest time maxTime value and maximum duration minTime value with value the time, then be judged to be communication disruption, when tolerating measure, (maxTime) value interval greater than 4 times of 2 frame messages is worth with maximum duration (minTime) and value is to observe the reaction of tested device.
The present invention can carry out record to sampled value and the GOOSE message information of totally digitilized substation simulation system, in time analyze and judge the service behaviour of analogue system output information and tested device, satisfied digital fault record wave energy, also possess and imitate positive current voltage waveform precision, adjust time standard and check and approve function such as phase place; Network analysis equipment can record the message of the whole network, and the IEC61850 agreement is resolved and analyzed, and entire process analytical system efficient quick is handled the message at full station, and stable.
Embodiment
Digital transformer substation analogue system tolerating measure method; can only control system based on digital transformer substation; comprise the process layer; three layers of wall and substation levels; wherein protection; equipment such as observing and controlling and metering belongs to wall; information is undertaken alternately by sampled value and the OO transformer substation case of particular communication service mapping between wall and the process layer; in this process; secondary device I/O unit decomposites a part that is used as intelligent primary equipment; belong to the process layer; adopt express network to connect to finish information interaction between secondary device (wall) and the primary equipment (process layer), analog network communication failure message may further comprise the steps:
The message standard-required of the electric substation automation system of a, communications platform Network Based (IEC 61850-9-1, IEC 61850-9-2), the tolerating measure that civilian transmission time interval does not wait;
Voltage, current value can not have the tolerating measure of abnormal conditions in b, the every frame message;
C, sample counter (SV) sampled value message have bottom pour ladle phenomenon tolerating measure;
D, merge cells are sent to the nonsynchronous tolerating measure of message data of protective device;
E, to the standard compliant tolerating measure of message towards object transformer station general purpose event (GOOSE);
F, to the communication disruption tolerating measure towards object transformer station general purpose event (GOOSE);
The message sequence mistake of g, MMS (Multimedia Message Service) (MMS), discontinuous, the control command mistake tolerating measure of control.
Embodiment one
Because the electric substation automation system IEC 61850-9-1 of network communication platform, the requirement of IEC 61850-9-2 message standard, according to IEC61850-9-1, IEC 61850-9-2 standard, each byte has strict normalized definition in the message:
1, the merge cells message that is sent to protective device must uniformly-spaced send, and is 100 ripples weekly as sample rate, and then be 200 microseconds the blanking time of former and later two messages.When tolerating measure, can be with the not equal time that is set to of former and later two messages, to observe the reaction of tested device.
2, voltage, current value can not have abnormal conditions in every frame message of Fa Songing.When tolerating measure, have a mind to produce some unusual electric current and voltage values, to observe the reaction of tested device.
3, sample counter SV must be continuous, otherwise the sampled value message that sends has the bottom pour ladle phenomenon.Be 100 ripples weekly as sampling rate, then merge cells sends 5000 frame messages altogether within one second, when pulse per second (PPS) arrives, and counter O reset, if two frame packet counting value in front and back is discontinuous, just explanation has the phenomenon of frame losing to take place.When tolerating measure, the SV sample counter is arranged to discontinuous, to observe the reaction of tested device.
4, merge cells and protective device adopt after the message communication; it is important unusually that the synchronism of data just seems; particularly need processing from the device of different merge cells data as main transformer differential protection, bus differential protection etc.; the synchronism of data is required very high, otherwise cause the misoperation protected easily.When tolerating measure, different by the value of each time merge cells counter is arranged to, judge protective device how to each side sampled value synchronously.
Embodiment two
Tolerating measure analysis for the general purpose event GOOSE of object-oriented transformer station message comprises following several respects:
When 1, having new events to take place, whether the time of four transmission time T0, T1, T2 and T3 meets standard.When tolerating measure, time of T0, T1, T2 and T3 is arranged mistake, to observe the reaction of tested device.
2, whether the variation of state StNum and serial number SqNum value is correct, and when being that state StNum is constant when newly jumping message, serial number SqNum should increase continuously, and becomes 1 after reaching maximum, if order SqNum is discontinuous, frame losing is arranged then; When new events was arranged, state StNum increased continuously, and order SqNum value is 0, and state StNum then becomes 1 after reaching maximum, if state StNum is discontinuous, frame losing is arranged then; If but after the device initialization, state StNum become 1 and order SqNum become 0. when tolerating measure, state StNum and order SqNum are arranged mistake, to observe the reaction of tested device.
Embodiment three
To towards the general purpose event GOOSE of object transformer station communication disruption tolerating measure, value according to the minTime that disposes in the SCD file and maxTime, when 2 frame messages interval greater than 4 times maxTime value and minTime value with value the time, then be judged to be communication disruption, when tolerating measure, 2 frame messages interval greater than 4 times maxTime value and minTime value and value, to observe the reaction of tested device.
Embodiment four
Should comprise the test of ACSI aspect, the test of the test of MMS aspect and ETHERNET aspect to the tolerating measure of MMS (Multimedia Message Service) MMS message.The relation of ACSI and MMS is corresponding one by one, so when test, the two can carry out simultaneously, the relation of MMS and ETHERNET is a corresponding n, the span of n is＞=1, so be to check the ETHERNET message information that sets each other off by after selecting, mainly is three aspects to the test of MMS message.
1, the test of MMS layer comprise initialization procedure test, read/write processes test, reporting process test, log services procedural test, and each process association message is resolved and is analyzed.
2, ACSI analyzes and to be application testing, comprise on control operation, definite value operation, the event give, the mapping test between service process such as file service and the MMS service process, and the mapping that each process association message is resolved is tested.
3, the test of ETHERNET layer is that following each hierarchical information of message presentation layer (containing) is tested, the details that show each layer, by the test to MMS layer, ACSI layer and ETERNET layer message, continuously whether sequence error, control procedure, whether control command wrong can to judge MMS message process of transmitting, whether message has bottom pour ladle, and whether communication has interruption etc. between the device.
Claims (8)
1. digital transformer substation analogue system tolerating measure method; can only control system based on digital transformer substation; comprise the process layer; three layers of wall and substation levels; wherein protection; equipment such as observing and controlling and metering belongs to wall; information is undertaken alternately by sampled value and the OO transformer substation case of particular communication service mapping between wall and the process layer; in this process; secondary device I/O unit decomposites a part that is used as intelligent primary equipment; belong to the process layer; adopt express network to connect to finish information interaction between secondary device (wall) and the primary equipment (process layer); it is characterized in that: analog network communication failure message is realized by following steps
The message standard-required of the electric substation automation system of a, communications platform Network Based (IEC 61850-9-1, IEC61850-9-2), the tolerating measure that civilian transmission time interval does not wait;
Voltage, current value can not have the tolerating measure of abnormal conditions in b, the every frame message;
C, sample counter (SV) sampled value message have bottom pour ladle phenomenon tolerating measure;
D, merge cells are sent to the nonsynchronous tolerating measure of message data of protective device;
E, to the standard compliant tolerating measure of message towards object transformer station general purpose event (GOOSE);
F, to the communication disruption tolerating measure towards object transformer station general purpose event (GOOSE);
The message sequence mistake of g, MMS (Multimedia Message Service) (MMS), discontinuous, the control command mistake tolerating measure of control.
2. digital transformer substation analogue system tolerating measure method according to claim 1 is characterized in that: described step a can be with the not equal time that is set to of former and later two messages, to observe the reaction of tested device when tolerating measure.
3. digital transformer substation analogue system tolerating measure method according to claim 1, it is characterized in that: described step b has a mind to produce some unusual electric current and voltage values when tolerating measure, to observe the reaction of tested device.
4. digital transformer substation analogue system tolerating measure method according to claim 1 is characterized in that: described step c when tolerating measure, the SV sample counter is arranged to discontinuous, to observe the reaction of tested device.
5. digital transformer substation analogue system tolerating measure method according to claim 1; it is characterized in that: described steps d is when tolerating measure; different by the value of each time merge cells counter is arranged to, judge protective device how to each side sampled value synchronously.
6. digital transformer substation analogue system tolerating measure method according to claim 1 is characterized in that: when described step e has new events to take place, when tolerating measure, will the transmission time mistake be set, to observe the reaction of tested device.
7. digital transformer substation analogue system tolerating measure method according to claim 1, it is characterized in that: whether the state in the described step e message number (StNum) and serial number (SqNum) numerical value change be correct, when tolerating measure, StNum and SqNum are arranged mistake, to observe the reaction of tested device.
8. digital transformer substation analogue system tolerating measure method according to claim 1, it is characterized in that: described step f, value according to the shortest time of disposing in the SCD file (minTime) and maximum duration (maxTime), when 2 frame messages interval greater than 4 times shortest time maxTime value and maximum duration minTime value with value the time, then be judged to be communication disruption, when tolerating measure, 2 frame messages interval greater than 4 times (maxTime) value and maximum duration (minTime) value and value, to observe the reaction of tested device.
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| CN201210241429.0A CN103187802B (en) | 2012-07-12 | 2012-07-12 | Simulation system of digital transformer substation tolerating measure method |
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| CN201210241429.0A CN103187802B (en) | 2012-07-12 | 2012-07-12 | Simulation system of digital transformer substation tolerating measure method |
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| CN103187802B CN103187802B (en) | 2015-10-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117271A (en) * | 2015-08-17 | 2015-12-02 | 广东电网有限责任公司电力科学研究院 | Historical data emulation method of IEC61850 based status monitoring emulation system test platform |
| CN107918064A (en) * | 2016-10-08 | 2018-04-17 | 南京南瑞继保电气有限公司 | Test device during a kind of combining unit pair |
| CN110672968A (en) * | 2019-11-05 | 2020-01-10 | 国网黑龙江省电力有限公司电力科学研究院 | Test system for secondary equipment detection in cold area |
| CN111654111A (en) * | 2020-06-15 | 2020-09-11 | 国网宁夏电力有限公司电力科学研究院 | GOOSE simulation test method for secondary system of intelligent substation |
| CN114265335A (en) * | 2021-09-18 | 2022-04-01 | 科大国创新能科技有限公司 | Fault injection simulation method for battery cell management chip |
| CN116132343A (en) * | 2023-02-13 | 2023-05-16 | 国网四川省电力公司电力科学研究院 | Online monitoring terminal simulation test system and method for primary equipment of intelligent substation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117271A (en) * | 2015-08-17 | 2015-12-02 | 广东电网有限责任公司电力科学研究院 | Historical data emulation method of IEC61850 based status monitoring emulation system test platform |
| CN107918064A (en) * | 2016-10-08 | 2018-04-17 | 南京南瑞继保电气有限公司 | Test device during a kind of combining unit pair |
| CN107918064B (en) * | 2016-10-08 | 2020-03-20 | 南京南瑞继保电气有限公司 | Merging unit time synchronization testing device |
| CN110672968A (en) * | 2019-11-05 | 2020-01-10 | 国网黑龙江省电力有限公司电力科学研究院 | Test system for secondary equipment detection in cold area |
| CN111654111A (en) * | 2020-06-15 | 2020-09-11 | 国网宁夏电力有限公司电力科学研究院 | GOOSE simulation test method for secondary system of intelligent substation |
| CN114265335A (en) * | 2021-09-18 | 2022-04-01 | 科大国创新能科技有限公司 | Fault injection simulation method for battery cell management chip |
| CN114265335B (en) * | 2021-09-18 | 2023-10-13 | 科大国创新能科技有限公司 | Fault injection simulation method for battery cell management chip |
| CN116132343A (en) * | 2023-02-13 | 2023-05-16 | 国网四川省电力公司电力科学研究院 | Online monitoring terminal simulation test system and method for primary equipment of intelligent substation |
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| CN103187802B (en) | 2015-10-07 |
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