CN108663581A - A kind of secondary equipment of intelligent converting station test method - Google Patents
A kind of secondary equipment of intelligent converting station test method Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses a kind of secondary equipment of intelligent converting station test methods, it is exported to secondary device instead of mutual inductor with testing system output, it reads the SCD file of substation and is parsed, generate the layer of structure figure of intelligent substation, parse monitoring of the message realization of different operating modes to secondary device operating status, equipment fault is positioned, failure is overhauled automatically, and the function association library for finally establishing related substation instantiates model.Using the present invention, may be implemented to meet high security, stiff stability, the secondary equipment of intelligent converting station test with high integrity.
Description
Technical field
The invention belongs to intelligent substation technical field of measurement and test, more specifically, are related to a kind of intelligent substation secondary
Apparatus testing method.
Background technology
In the modern times that science and technology is showing improvement or progress day by day, electric power resource has become the indispensable promotion resource of modern social development.Together
Sample is with the raising of production level, and increasingly branch is unable to hold out social productive forces change to electric power for the electric system of present level
Resource and the increasing huge demand of powered stable reliability, therefore the clean intelligent grid of strong self-healing becomes a new generation's electricity
Net the important trend of development.In past nearly 100 years, traditional electric system has evolved into centralized power generation long distance
Large-Scale Interconnected network system from Transmission Mode.But under current world economic situation, since the energy, environment etc. are multi-party
The influence of face whole world sexual factor, traditional electric system will welcome primary deep technological change --- intelligent grid.And conduct
The centrostigma of transmission and disttrbution, the core component of intelligent grid --- intelligent substation comes into being.Intelligent substation with
Whole station information digitalization, communications platform networking, information sharing are standardized as basic demand, and the substation that discards tradition is with digital electricity
Cable be medium transmit electric signal data-transmission mode, transmitted by the way of optical fiber and digital transforming plant primary equipment and
The operation information of secondary device.Under comparing with traditional substation, intelligent substation by electronic mutual inductor, combining unit and
The novel intelligents equipment such as data switching exchane is included in construction range, the information tissue and distribution to substation and follow-up efficient letter
Breath processing brings abundant flexibility.These smart machines effectively prevent the repetition configuration i.e. " information of signal pickup assembly
The appearance of isolated island ", while improving the information exchange inside substation and processing capacity.In addition to this also it is that intelligent substation is complete
Condition is created at the function of information collection, measurement, control, protection, metering and detection.
Under current situation, the development of intelligent substation is still in the starting stage；But intelligent substation is relative to traditional power transformation
The advantage stood is fairly obvious.Simultaneously because the management mode of existing tradition substation automates, the level of informatization is relatively low, lead
Cause the safety and stability of traditional substation operation management service to relatively low, for catastrophic failure or other emergencies
The risk of conventional process pattern is also relatively high, and traditional substation's maintenance mode can no longer meet the need of intelligent substation
It wants, is badly in need of new test method and means.
For secondary device, relative to traditional substation management service mode at this stage, intelligent substation secondary is set
Standby functional completeness is analyzed mainly for protective relaying device：When protective relaying device has maintenance needs, it is only necessary to use
Analog signal replaces the input signal of the current-voltage transformer of primary equipment side, the signal for being accessed protective relaying device defeated
Enter end can be completed.But generally speaking for intelligent substation, although the functional analysis to protective relaying device can be completed,
But because the device examined does not include the input of MU signals and network data exchange machine, therefore test and do not have integrality.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of secondary equipment of intelligent converting station test sides
Method is realized and meets high security, stiff stability, the secondary device test with high integrity.
For achieving the above object, secondary equipment of intelligent converting station test method of the present invention, includes the following steps：
S1：The mutual inductor part of primary system and combining unit are disconnected, exported instead of mutual inductor with testing system output；
S2：It reads the SCD file of substation and is parsed, obtain the configuration information of intelligent substation；
S3：It reads in the configuration information analytically obtained and is closed at the required information of figure, including device coordinate, port connection
System, present port information and link information stream, generate the layer of structure figure of intelligent substation, are patterned to intelligent substation
Displaying；
S4：The involved secondary device of substation operation monitoring includes combining unit, protection location, measurement and control unit, intelligence
Energy terminal closes intelligence integrated device, protects and survey six classifications of integrated device, the operating status of secondary device is divided into operation, function is touched
Four kinds of hair, failure, maintenance operating modes, according to different operating modes, in MMS messages and GOOSE message caused by different secondary devices
Hold different, the monitoring by the parsing realization to corresponding message to secondary device operating status；
S5：Parse GOOSE message and SV messages；
S6：Equipment fault is positioned, including secondary device damage degree is analyzed and returned according to the processing of network message
As a result positioning device fault point, wherein secondary device damage degree analysis specific steps include：
S6.1.1：Secondary device function library is established, determines the specific object of secondary device damage degree analysis；
S6.1.2：Electrical secondary system functional conditions library is established, determines the factor for influencing secondary device and electrical secondary system function；
S6.1.3：Establish secondary device logic matrix, by logic matrix formed secondary device and electrical secondary system function and
The logical expression of its condition；
S6.1.4：It is taken a picture by secondary device and the timing of electrical secondary system functional conditions library or triggering photograph obtains secondary device
Functional conditions state；
S6.1.5：Secondary device work(is analyzed according to the functional conditions state and logical expression of secondary device and electrical secondary system
It can operating status；
S6.1.6：According to evaluation of running status secondary device function damage degree；
The specific steps of secondary device fault location include：
S6.2.1：According to alarm or failure message positioning failure host equipment；
S6.2.2：Possible cause is positioned according to host equipment outputting alarm or the decision condition of failure；
S6.2.3：According to possible factor and host equipment and its associate device positioning failure region；
S7：Process layer message based on back production on-the-spot test and station level message, reasoning from logic field device behavior are dynamic
Make relationship, Wrong localization source is compared with the correct action rules of electrical secondary system equipment in expert system, electrical secondary system is set
Standby correct action rules include monomer and network action behavior, in test, according to the appearance of practical message sequence, with expert
Sequence diagram in library compares one by one, and missing link is then to realize that failure is overhauled automatically at failure；
S8：The function association library of each secondary device is instantiated according to SCD file, establishes the work(of related substation
Can correlation database instantiate model, including once with the incidence relation of secondary component, the connecting relation of secondary device, function event
Information association relationship, information are associated with device port.
Secondary equipment of intelligent converting station test method of the present invention is exported to secondary with to test system output instead of mutual inductor and is set
It is standby, it reads the SCD file of substation and is parsed, generate the layer of structure figure of intelligent substation, parse the report of different operating modes
Text realizes the monitoring to secondary device operating status, is positioned to equipment fault, and failure is overhauled automatically, finally establishes related become
The function association library in power station instantiates model.Using the present invention, it may be implemented to meet high security, stiff stability, there is height
The secondary equipment of intelligent converting station of integrality is tested.
Description of the drawings
Fig. 1 is the specific implementation mode flow chart of secondary equipment of intelligent converting station test method of the present invention；
Fig. 2 is the exemplary plot of intelligent substation；
Fig. 3 is buffering queue schematic diagram during packet parsing；
Fig. 4 is that Organization Chart is realized in the evaluation of secondary device damage degree；
Fig. 5 is the flow chart for the method that faulty equipment maintenance safety measure is automatically generated in the present embodiment.
Specific implementation mode
The specific implementation mode of the present invention is described below in conjunction with the accompanying drawings, preferably so as to those skilled in the art
Understand the present invention.Requiring particular attention is that in the following description, when known function and the detailed description of design perhaps
When can desalinate the main contents of the present invention, these descriptions will be ignored herein.
Embodiment
Fig. 1 is the specific implementation mode flow chart of secondary equipment of intelligent converting station test method of the present invention.As shown in Figure 1,
The specific steps of secondary equipment of intelligent converting station test method of the present invention include：
S101：Configuration testing system：
The present invention needs the integrated testability completed to secondary equipment of intelligent converting station not change it to keep integrality
Wiring, but regarded as the measurand of an entirety.Fig. 2 is the exemplary plot of intelligent substation.As shown in Fig. 2, intelligence becomes
The mutual inductor of the primary system of electric appliance is exported between the combining unit of electrical secondary system, therefore in configuration testing system, is needed
The mutual inductor part of primary system and combining unit are disconnected, exported instead of mutual inductor with testing system output.
S102：SCD model analyzings：
Read SCD (Substation ConfigurationDescription, the substation configuration description) texts of substation
Part is simultaneously parsed, and the configuration information of intelligent substation is obtained.The standard that SCD file is based at present is IEC 61850, SCD
The parsing basis of file is the ACSI models mapping in the standard.
S103：Generating structure hierarchy chart：
Read in the configuration information analytically obtained at scheming required information, including device coordinate, port connection relationship,
Present port information and link information stream, generate the layer of structure figure of intelligent substation, and exhibition is patterned to intelligent substation
Show.
S104：Secondary device status monitoring：
The involved secondary device of substation operation monitoring includes combining unit, protection location, measurement and control unit, intelligently end
End closes intelligence integrated device, protects and survey six classifications of integrated device.For ease of dividing, the present invention divides the operating status of secondary device
For four kinds of operation, function triggering, failure, maintenance operating modes.According to different operating modes, MMS messages caused by different secondary devices
It is different with GOOSE message content；The monitoring to secondary device operating status can be completed according to the parsing of corresponding message.
Fig. 3 is buffering queue schematic diagram during packet parsing.As shown in figure 3, packet parsing uses producer consumer
Buffering queue is arranged in pattern in reception process.Hardware platform obtains the data of the network message second layer from trawl performance interface
The data of media access control sublayer in link layer；Receive thread and message packet is put into queue, according to the first in first out of queue, parsing
Thread is taken message packet away while being parsed from queue, then writes data into model file.Process layer is believed with station level in order to prevent
Breath overlapping, the buffering queue of different levels are independently arranged.It parses thread and is directed to MMS messages according to the IP of secondary device using multi-thread
Journey mode is handled, and improves packet parsing speed.Analysis result is the effective information in message, and in corresponding IED models
Value is relatively later updated data.
S105：Communication message parses：
It receives the GOOSE message and SV messages under malfunction and parses.The format of GOOSE message frame include heading,
APDU and Frame Check Sequence, SV messages include heading part and the parts SavPDU.
S106：Equipment fault positions：
Equipment fault positioning includes that secondary device damage degree is analyzed and returns the result positioning according to the processing of network message and set
Standby fault point.
The analysis of secondary device damage degree establishes " function item using process layer and station level network message as basic data source
Part library " is used as filter condition, establishes the functional completeness that " function logic matrix " evaluates secondary device as operational factor.
Fig. 4 is that Organization Chart is realized in the evaluation of secondary device damage degree.As shown in figure 4, the evaluation of secondary device damage degree is specific
Step includes：
S6.1.1：Secondary device function library is established, determines the specific object of secondary device damage degree analysis；
S6.1.2：Electrical secondary system functional conditions library is established, determines the factor for influencing secondary device and electrical secondary system function；
S6.1.3：Establish secondary device logic matrix, by logic matrix formed secondary device and electrical secondary system function and
The logical expression of its condition；
S6.1.4：It is taken a picture by secondary device and the timing of electrical secondary system functional conditions library or triggering photograph obtains secondary device
Functional conditions state；
S6.1.5：Secondary device work(is analyzed according to the functional conditions state and logical expression of secondary device and electrical secondary system
It can operating status；
S6.1.6：According to evaluation of running status secondary device function damage degree.
The specific steps of secondary device fault location include：
S6.2.1：According to alarm or failure message positioning failure host equipment；
S6.2.2：Possible cause is positioned according to host equipment outputting alarm or the decision condition of failure；
S6.2.3：According to possible factor and host equipment and its associate device positioning failure region.
S107：Failure is overhauled automatically：
Process layer message based on back production on-the-spot test and station level message, reasoning from logic field device behavior act close
System, is compared Wrong localization source, electrical secondary system equipment is just with the correct action rules of electrical secondary system equipment in expert system
True action rules include monomer and network action behavior, in test, according to the appearance of practical message sequence, and in experts database
Sequence diagram compare one by one, missing link then be failure at, realize failure overhaul automatically,.
In order to improve the efficiency for generating peace and arranging.One kind is proposed in the present embodiment automatically generate faulty equipment maintenance safety arrange
The method applied.First to overhaul/accompany stop library, single devices peace arrange library and peace arrange the definition in filtering rule library to illustrate.
It overhauls/accompanies and stop library for describing to need the equipment overhauled and accordingly accompanying the incidence relation between stopping equipment, mainly wrap
Combining unit is contained, intelligent terminal, protective device, measure and control device, has closed intelligence integrated device, protects and survey integrated device, process layer exchange
The secondary devices such as machine and circuit, busbar, main transformer, ECVT (Current Voltage combined electronic transformer), ECT (electronic currents
Mutual inductor), EVT (electronic type voltage transformer), switch, disconnecting link, the primary equipments such as earthing knife-switch.
Single devices peace is arranged library to describe the optional peace that each secondary device is included and is arranged, and containing may in transformer substation system
All devices in inspecting state, including electronic transformer collector surface units, combining unit, protective device, observing and controlling
Device, intelligent terminal, protect survey integrated device, close intelligence integrated device and switch, disconnecting link, earthing knife-switch, circuit, busbar, main transformer,
ECVT, ECT, electromagnetic current transducer and voltage transformer.It includes overhauling hard pressing plate, work(to pacify optional safety measure item in arranging library
The soft pressing plate of energy, the soft pressing plate in outlet, the soft pressing plate of input, primary equipment peace are arranged, electrical isolation peace is arranged.
Peace arranges peace in filtering rule library description " single devices peace arrange library " to arrange the rule of choosing of item, including general rule and spy
Different rule.The general rule of foundation includes establishing the rule on maintenance boundary, intelligent substation repair apparatus classifying rules, executing peace
The rule of full measure sequence, keeps information at the rule that same type equipment sequence is shown in upkeep operation in repair apparatus group
Rule, the rule of filtering safe measure of interaction integrality.
Fig. 5 is the flow chart for the method that faulty equipment maintenance safety measure is automatically generated in the present embodiment.As shown in figure 5,
The specific steps that the method for faulty equipment maintenance safety measure is automatically generated in the present embodiment include：
S501：Preprocessing function library：
Foundation overhaul/accompany stop template library, single devices peace arranges library, peace to arrange and three, filtering rule library base library and set maintenance
Standby, associate device accompanies and stops equipment and be stored in the variable of QStringList types, and mark is respectively provided with before each device name
Device type is distinguished, such as repair apparatus is M, associate device is C, accompanies that stop equipment be A.
S502：Import SCD file：
Information association relationship between smart substation equipment is established using SCD file and secondary file.
S503：Instantiate function library：
Complete to overhaul/accompany using SCD file and secondary file stop Kuku, single devices peace arranges the instantiation in library, instantiation
Content includes device interval information, scheduling number, physical port and pressing plate relationship, pressing plate and data set relationship.
S504：Select Awaiting Overhaul equipment：
It is original substantially to arrange, keep between repair apparatus information integrity in " maintenance boundary " arrangement dual maintenance peace
Then, it filters out " repair apparatus " in arranging filtering rule library to arrange library from the single devices of instantiation peace using monomer peace and " is associated with fortune
Maintenance safety measure between row equipment group " forms maintenance peace and arranges ticket.
S505：Graphical representation：
It shows that maintenance peace is arranged to upkeep operation personnel in a manner of figure+verbal description, maintenance peace is confirmed by operation maintenance personnel
The integrality of full measure.
Graphical representation in the present embodiment uses layered mode, first layer displaying upkeep operation risk point and maintenance peace to arrange
Position, the displaying of second layer figure arrange relevant detailed information, including the information connection relation of equipment room, pressing plate to control with maintenance peace
Relationship, connectivity port etc..
S506：Supervision peace arranges execution：
It is read from component library and overhauls peace and arrange the status information in relation to secondary device, obtain equipment related with upkeep operation
Original state.Network message is intercepted, the message information of identification and maintenance safety measure associate device is shown with patterned way and pacified
Arrange executive condition.It arranges execution information to arrange ticket project and order to compare with peace peace, warning is provided when there is inconsistent situation
Prompt message.After listening to " maintenance pressing plate " input message, the position " test " situation of change in association message is checked.For can not be from
The maintenance peace that status information is obtained on network is arranged, and overhaul secure operation personnel are reminded in the form of highlighted words.
S107：Establish intelligent expert diagnostics library：
The function association library of each secondary device is instantiated according to SCD file, establishes the function of related substation
Correlation database instantiate model, including once with the incidence relation of secondary component, the letter of the connecting relation of secondary device, function event
Breath incidence relation, information are associated with device port.
In the present embodiment, instantiation process includes two aspects：
1. all function association libraries information needed is associated；
2. the abstracted information in function association template library is matched with SCD file.
The first step is mainly associated with device name, such as PL2201A, CT2202A, and class name is as keyword according to this
Related information is combined and forms unified model.The matching process of second step includes two steps：
1. the matching of information model：There is its fixed indices for each information in SCD file.Its canonical form is：
Implementor name+logical device name+logical node name+data object name+data attribute name.Therefore, associated equipment is removed, remaining
Item is marked using the standard in IEC61850 in template library, and instantiation process can carry out precise search to these titles.It is right
In the difference configuration of different manufacturers, it is also necessary to carry out fuzzy matching to template library.
2. the fuzzy matching of information word：Fuzzy matching key is the identification accuracy of natural language, therefore in template
To the description of information using the three-stage of standard, i.e. functional domain, action scope, qualifications in library, using most in matching algorithm
Big weighted registration method.Under the premise of relevant device has been found in fuzzy matching, system can in data set matching feature domain
Word, then matching effect domain and qualifications successively from result, to be exactly found corresponding equipment.In order to accelerate matching speed
Degree, virtual terminator list is preferentially retrieved for process layer information；For station level information, can further specify search in a template
Dataset name；Information under oper nodes is looked only for for remote information.
Although the illustrative specific implementation mode of the present invention is described above, in order to the technology of the art
Personnel understand the present invention, it should be apparent that the present invention is not limited to the range of specific implementation mode, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the spirit and scope of the present invention in, these
Variation is it will be apparent that all utilize the innovation and creation of present inventive concept in the row of protection.
Claims (2)
1. a kind of secondary equipment of intelligent converting station test method, which is characterized in that include the following steps：
S1：The mutual inductor part of primary system and combining unit are disconnected, exported instead of mutual inductor with testing system output；
S2：It reads the SCD file of substation and is parsed, obtain the configuration information of intelligent substation；
S3：Read in the configuration information analytically obtained at scheming required information, including device coordinate, port connection relationship,
Present port information and link information stream, generate the layer of structure figure of intelligent substation, and exhibition is patterned to intelligent substation
Show；
S4：The involved secondary device of substation operation monitoring includes combining unit, protection location, measurement and control unit, intelligently end
It holds, close intelligence integrated device, protect and survey six classifications of integrated device, the operating status of secondary device is divided into operation, function triggering, event
Four kinds of barrier, maintenance operating modes, according to different operating modes, MMS messages and GOOSE message content caused by different secondary devices are not
Together, by realizing the monitoring to secondary device operating status to the parsing of corresponding message；
S5：Parse the GOOSE message and SV messages under malfunction；
S6：Equipment fault is positioned, including secondary device damage degree is analyzed and returned the result according to the processing of network message
Positioning device fault point, wherein secondary device damage degree analysis specific steps include：
S6.1.1：Secondary device function library is established, determines the specific object of secondary device damage degree analysis；
S6.1.2：Electrical secondary system functional conditions library is established, determines the factor for influencing secondary device and electrical secondary system function；
S6.1.3：Secondary device logic matrix is established, secondary device and electrical secondary system function and its item are formed by logic matrix
The logical expression of part；
S6.1.4：It is taken a picture by secondary device and the timing of electrical secondary system functional conditions library or triggering photograph obtains secondary device function
Cond；
S6.1.5：Secondary device function fortune is analyzed according to the functional conditions state and logical expression of secondary device and electrical secondary system
Row state；
S6.1.6：According to evaluation of running status secondary device function damage degree；
The specific steps of secondary device fault location include：
S6.2.1：According to alarm or failure message positioning failure host equipment；
S6.2.2：Possible cause is positioned according to host equipment outputting alarm or the decision condition of failure；
S6.2.3：According to possible factor and host equipment and its associate device positioning failure region；
S7：Process layer message based on back production on-the-spot test and station level message, reasoning from logic field device behavior act close
System, is compared Wrong localization source, electrical secondary system equipment is just with the correct action rules of electrical secondary system equipment in expert system
True action rules include monomer and network action behavior, in test, according to the appearance of practical message sequence, and in experts database
Sequence diagram compare one by one, missing link then be failure at, realize failure overhaul automatically；
S8：The function association library of each secondary device is instantiated according to SCD file, the function of establishing related substation is closed
Join library and instantiates model, including the once information with the incidence relation of secondary component, the connecting relation of secondary device, function event
Incidence relation, information are associated with device port.
2. secondary equipment of intelligent converting station test method according to claim 1, which is characterized in that in the step S7,
Further include generating faulty equipment maintenance safety measure, specific steps include：
S7.1：Foundation overhaul/accompany stop template library, single devices peace arrange library, peace arrange three, filtering rule library base library and will maintenance
Equipment, associate device accompany and stop equipment and be stored in the variable of QStringList types, and mark is respectively provided with before each device name
Know to distinguish device type；
S7.2：Information association relationship between smart substation equipment is established using SCD file and secondary file；
S7.3：Complete to overhaul/accompany using SCD file and secondary file stop Kuku, single devices peace arranges the instantiation in library, instantiation
Content includes device interval information, scheduling number, physical port and pressing plate relationship, pressing plate and data set relationship；
S7.4：It is original substantially to arrange, keep between repair apparatus information integrity in " maintenance boundary " arrangement dual maintenance peace
Then, it filters out " repair apparatus " in arranging filtering rule library to arrange library from the single devices of instantiation peace using monomer peace and " is associated with fortune
Maintenance safety measure between row equipment group " forms maintenance peace and arranges ticket；
S7.5：It shows that maintenance peace is arranged to upkeep operation personnel in a manner of figure+verbal description, maintenance peace is confirmed by operation maintenance personnel
The integrality of full measure；
S7.6：It is read from component library and overhauls peace and arrange the status information in relation to secondary device, obtain equipment related with upkeep operation
Original state；Network message is intercepted, the message information of identification and maintenance safety measure associate device is shown with patterned way
Peace arranges executive condition；Execution information is arranged to arrange ticket project and order to compare with peace peace, when there is inconsistent situation to responding
Accuse prompt message；After listening to " maintenance pressing plate " input message, the position " test " situation of change in association message is checked.For can not
The maintenance peace that status information is obtained from network is arranged, and overhaul secure operation personnel are reminded in the form of highlighted words.
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| CN110412381A (en) * | 2019-08-06 | 2019-11-05 | 国网四川省电力公司电力科学研究院 | Secondary equipment of intelligent converting station defect diagonsis system and method based on information driving |
| CN111131274A (en) * | 2019-12-27 | 2020-05-08 | 国网四川省电力公司电力科学研究院 | Non-invasive intelligent substation vulnerability detection method |
| CN111131249A (en) * | 2019-12-24 | 2020-05-08 | 国网北京市电力公司 | Data processing method and device |
| CN111507862A (en) * | 2020-04-08 | 2020-08-07 | 国网湖南省电力有限公司 | State fault analysis method for extra-high voltage important secondary data stream |
| CN112019370A (en) * | 2019-05-31 | 2020-12-01 | 烽火通信科技股份有限公司 | Equipment fault processing method and system |
| CN112800637A (en) * | 2021-04-12 | 2021-05-14 | 广东工业大学 | Intelligent substation simulation test device and method |
| CN113743139A (en) * | 2021-08-03 | 2021-12-03 | 国网福建省电力有限公司检修分公司 | RFID-based overlapping safety measure judging method and terminal |
| CN114170878A (en) * | 2021-11-12 | 2022-03-11 | 安徽继远软件有限公司 | Equipment maintenance test system and method for novel intelligent substation |
| CN115118509A (en) * | 2022-06-29 | 2022-09-27 | 国网河南省电力公司电力科学研究院 | Substation secondary equipment debugging file permission detection method and security control device |
| CN117148018A (en) * | 2023-10-27 | 2023-12-01 | 南方电网数字电网研究院有限公司 | Function test system and method for power distribution module |
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