CN106771599A - Intelligent substation synchronous phasor measuring device method of testing and test device - Google Patents
Intelligent substation synchronous phasor measuring device method of testing and test device Download PDFInfo
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- CN106771599A CN106771599A CN201611045043.7A CN201611045043A CN106771599A CN 106771599 A CN106771599 A CN 106771599A CN 201611045043 A CN201611045043 A CN 201611045043A CN 106771599 A CN106771599 A CN 106771599A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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Abstract
The invention discloses intelligent substation synchronous phasor measuring device method of testing and test device, the test device includes：PMU testers, pc client, wherein, intelligent substation SCD file is imported with the PMU testers, PMU testers send Current Voltage and switching value to PMU collecting units；Data in PMU collecting units are by being transmitted back to PMU testers after the treatment of PMU centralized units, PMU testers will send data and carry out the functional test that contrast completes intelligent substation synchronous phasor measuring device with return data, realize the technique effect tested intelligent substation synchronous phasor measuring device.
Description
Technical field
The present invention relates to intelligent substation synchronous phasor measuring device research field, in particular it relates to intelligent substation is same
Step phasor measuring set method of testing and test device.
Background technology
Synchronous phasor measuring device (PMU devices) is that a kind of measurement for transformer station and power plant's synchronized phasor and dynamic are remembered
The device of record.In recent years, PMU devices are configured with intelligent substations at different levels, based on the synchronous phasor measurement function of PMU devices
The WAMS that stands calculates analysis offer data source support using with electricity net safety stable, therefore it is responsible for the weight of power grid security and stabilization
Big responsibility.At present, the PMU devices and measuring technology of conventional substation have tended to ripe, and the technology of intelligent substation PMU devices
Specification (company standard) is issued soon, is still lacked and the supporting intelligent substation PMU device to test instrument of technical specification and test side
Case, needs badly and proposes PMU device to test technical schemes according to technical specification, researches and develops the work of related intelligent substation PMU testers
Work is also urgently carried out.
In sum, present inventor has found above-mentioned technology extremely during the present application technical scheme is realized
There is following technical problem less：
In the prior art, existing intelligent substation PMU devices presence cannot carry out the technical problem of Validity Test.
The content of the invention
The invention provides a kind of intelligent substation synchronous phasor measuring device method of testing and test device, solve existing
With the presence of intelligent substation PMU devices cannot carry out the technical problem of Validity Test, realizing can effectively to intelligent change
The technique effect that power station synchronous phasor measuring device is tested.
Intelligent substation PMU devices are different with conventional substation PMU devices, its voltage x current amount, switch input/output amount
It is transmitted by way of optical fiber is with communication message, not the hardwire transmission means of conventional substation.Therefore need to intelligence
The transmission signal of PMU devices can be related to be parsed in transformer station's SCD file, using PMU tester analog input voltage electric currents
Amount and switching value, detect the performance of intelligent substation PMU devices and the correctness and integrality of function.
According to the QGDW 11202.6-2014 that State Grid Corporation of China is newest《Intelligent substation automation equipment inspection criterion
6th part：Synchronized phase measurement device》Specification, the present situation of PMU apparatus functions is detected for the means of testing for lacking system,
According to intelligent substation on-site actual situations, the complete measuring technology scheme of intelligent substation PMU devices is proposed, and according to test
The related intelligent substation PMU testers of technical scheme research and development, realize the test of intelligent substation PMU apparatus functions.
In order to solve the above technical problems, being filled this application provides a kind of test of intelligent substation synchronous phasor measuring device
Put, the test device includes：
PMU testers, pc client, wherein, intelligent substation SCD file is imported with the PMU testers, PMU is surveyed
Examination instrument sends Current Voltage and switching value to PMU collecting units；The place that data in PMU collecting units pass through PMU centralized units
It is transmitted back to PMU testers after reason, PMU testers will send data and return data and carry out the synchronous phase of contrast completion intelligent substation
The functional test of measuring device.
Synchronous phasor measuring device (PMU) device is mainly made up of PMU collecting units and PMU centralized units.
Wherein, PMU collecting units：Synchronous phasor measuring device utilizes the Big Dipper/GPS satellite clock signal and high speed FPGA numbers
Word signal processing technology, energy synchro measure goes out the signal such as access node voltage, electric current phasor and frequency, active, idle, is complete set
The functions such as system power network monitoring, automation of transformation substations observing and controlling, stability contorting, wide area protection provide necessary initial data and realize hand
Section.
Wherein, the data in PMU collecting units include：Busbar voltage, circuit/main transformer current signal.Initially come from circuit/
The measurement winding analog quantity of the corresponding voltage transformer summation current transformer of main transformer, symbol is processed into by corresponding combining unit
The data signal of 61850-9-2 agreements is closed, this data signal is sent to PMU devices via the network switch and gathered by optical fiber
Unit.And the signal such as the frequency of PMU collecting units, active, idle be by corresponding voltage x current amount calculate and come reality
When data.
Wherein, PMU devices centralized unit is used to being responsible for collecting and forwarding for many PMU device collecting unit data.
PMU testers send current and voltage data to PMU collecting units, and receive the echo back data of PMU centralized units, and
Both are compared.
Wherein, it is characterised in that the test device includes pc client, the pc client is used to configure PMU tests
The interface of instrument and PMU collecting units, and PMU testers are controlled.
Wherein, the test device also include clock synchronization module, the clock synchronization module be used for for PMU testers,
PMU collecting units, PMU centralized units provide unified clock.
Wherein, when PMU collecting units and PMU centralized units are in same screen cabinet, the test device also includes：PC client
End and the network switch, the network switch are all connected with pc client, PMU testers, PMU centralized units.
Wherein, when PMU collecting units and PMU centralized units be not in same screen cabinet, the test device also includes：PC visitors
Family end 1, pc client 2, pc client 1 send data to PMU collecting units, and pc client 2 receives the number of PMU centralized units
According to.
Wherein, when transformer station is in double bus scheme mode or double-bus section wiring mode, circuit or main transformer
Using single combining unit electric current, the single combining unit synchronous network of simulation sends depressor electric current, by optical fiber connecting test instrument optical port with
PMU device collecting unit optical ports or interchanger optical port are connected；When transformer station is in 3/2 mode of connection, circuit or main transformer pressure
Device electric current is simulated many combining unit synchronous networks and is sent by the way of the electric current of two combining units synthesizes line current,
A plurality of optical fiber is connected into multichannel optical port, and the current data of these optical ports is required to by tester software synchronization process, otherwise
It is easily caused optical fiber link data step-out and causes circuit or the invalid alarm of main transformer electric current.
Wherein, when transformer station is in double bus scheme mode or double-bus section wiring mode, single conjunction can be simulated
And unit synchronous network sends, by optical fiber connecting test instrument optical port and interchanger optical port；When transformer station is in 3/2 mode of connection
When, many combining unit synchronous networks can be simulated and sent, a plurality of optical fiber is connected into multichannel optical port.
Wherein, the PMU testers are additionally operable to automatically generate test report according to test result, and test report includes：Quilt
Survey PMU devices essential information, test environment conditions essential information and test result information.
On the other hand, present invention also provides a kind of intelligent substation synchronous phasor measuring device method of testing, the side
Method includes：
Step 1：Installing PMU schematic diagram of device carries out testing closed loop wiring；
Step 2：Intelligent substation SCD file is imported in PMU testers；
Step 3：According to intelligent substation SCD file, configuration PMU testers input/output port, interval information；
Step 4：Connection PMU testers and PMU devices, configure PMU tester dependence test projects；
Step 5：PMU device to test is carried out, PMU device to test is completed, and generate test report.
Wherein, it was in the past, by artificial ready-made test report template, according to the test result done, manually to fill in simultaneously
Process test data, workload is big, poor reliability.Store and carry out in software corresponding by by the test result of test event
Data processing, it is last that Auto-writing is carried out according to test report template integrated in software, the generation versions of word 2007
Test report.
Wherein, SCD configuration files can be imported using PMU testers, the passages such as the Current Voltage of PMU devices can be solved
Analysis, so as to be more efficiently connected with PMU devices；PMU testers can show that the Chinese of the internal data of PMU mounted casts is retouched
State, facilitate that user is more convenient, intuitively to PMU mounted casts be attached configuration in the internal data of PMU testers.
One or more technical schemes that the application is provided, at least have the following technical effect that or advantage：
Due to according to intelligent substation on-site actual situations, employing PMU device closed loop test technological means, so, have
Effect solves the presence of existing intelligent substation PMU devices and cannot carry out the technical problem of Validity Test, and then realize can
The effective technique effect tested intelligent substation synchronous phasor measuring device.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention；
Fig. 1 is PMU devices monospace digital simulation test philosophy figure in the application；
Fig. 2 is PMU device multi-compartment digital simulation test philosophy figures in the application；
Fig. 3 is PMU device to test schematic diagrams in the application；
Fig. 4 is elementary diagram when PMU centralized units are closer to the distance with PMU collecting units in the application；
Fig. 5 is elementary diagram when PMU centralized units are distant with PMU collecting units in the application；
Fig. 6 is PMU device to test schematic flow sheets in application.
Specific embodiment
The invention provides a kind of intelligent substation synchronous phasor measuring device method of testing and test device, solve existing
With the presence of intelligent substation PMU devices cannot carry out the technical problem of Validity Test, realizing can effectively to intelligent change
The technique effect that power station synchronous phasor measuring device is tested.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting mutually, the application's
Feature in embodiment and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with the other modes in the range of using other being different from being described herein, therefore, protection scope of the present invention do not receive down
The limitation of specific embodiment disclosed in face.
The purpose of patent of the present invention is to provide intelligent substation PMU apparatus function method of testings, and thus develops intelligence
Energy transformer station PMU testers, realization is detected to intelligent substation PMU apparatus functions, and it is automatic to pass through PMU test results
Generation test report.
To realize above-mentioned technical problem, the present invention uses following technical scheme：
This method for testing PMU apparatus functions by importing intelligent substation SCD file, mainly by four main skills
Art principle is constituted：The sampled datas such as the importing and configuration of SCL (substation configuration description language), simulation transmission electric current, voltage,
PMU device to test principle and testing scheme, the one-touch generation of PMU apparatus function testing process.
The importing and configuration of the SCD file, wherein intelligent substation SCD file describe all intelligence electricity in transformer station
The information such as communication configuration and transforming plant primary system architecture between the exemplary configuration and messaging parameter, IED of sub- equipment, and it is right
The parsing of SCD file is the basis of SCD file application, main to extract the configuration informations such as GOOSE and SV.Therefore, configured using SCD
File imports PMU testers, can quickly parse the current and voltage quantities passage of PMU devices, and be the tunnels analogy of PMU devices
Dosage provides basis.
Further technical scheme is that PMU testers, PMU collecting units and PMU centralized units are both needed to same by clock
Step, clock synchronously can provide unified clock source for PMU testers, PMU collecting units and PMU centralized units, and three are ensured with this
Person's synchronization.According to different wiring, its method of testing is also not quite similar.Connect for double bus scheme mode or double-bus segmentation
Line mode, can carry out dosage on heart interchanger in the line.Because under this wiring, circuit or transformer relate only to separate room
Every, i.e., the required voltage magnitude of current only can be gathered with single combining unit, therefore can be by connecting test instrument optical port and exchange
Machine optical port, can simulate single combining unit carries out the dosage of Current Voltage, i.e. analog line combining unit or main transformer merging list
Unit carries out the input of Current Voltage.For such as 3/2 mode of connection, it is necessary to carry out dosage on every a string of center switch.By
In the Current Voltage dosage for being related to multiple intervals, multiple combining units, therefore it is needed by multichannel optical port, simulation side breaker,
Middle breaker combining unit, circuit combining unit or main transformer combining unit carry out the input dosage of Current Voltage.
Further technical scheme is that the test philosophy is to configure PMU testers by PMU testers pc client
With the interface of PMU collecting units, the related Current Voltage of PMU testers transmission and switching value to PMU collecting units are controlled；PMU
Collecting unit data are sent by sending PMU testers back to by netting twine after the treatment of PMU centralized units by with PMU testers
The contrast of data completes corresponding functional test.Significantly, since target number when PMU centralized unit data are band
According to, therefore the comparison of data can be completed by back production to PMU testers.By the data processing of PMU testers, electricity can be completed
Stream voltage trueness error, phase angle error and its dynamic response error.In intelligent substation, in general, portion voltage etc.
The PMU devices collecting unit of level is with PMU devices centralized unit not in same screen cabinet.PMU devices collecting unit is with centralized unit
It is no to have considerable influence, test wiring of this utility patent to both of these case to PMU device to test connection principles in same screen cabinet
Principle is designed respectively.
Further technical scheme is that the one-touch generation of PMU apparatus functions testing process refers to this PMU testers
According to QGDW 11202.6-2014《The part of intelligent substation automation equipment inspection criterion the 6th：Synchronized phase measurement device》Rule
Model, main test module and test passes standard can be configured in tester in advance, and tester needs only to
Click on dependence test project, it is possible to which the specific test content of selection carries out the one-touch confirmation of test event, while can pass through
Software algorithm, target reception data when sending data with band is carried out automatically corresponding, and calculates its precision size automatically, is alleviated
The work load of PMU tests, reduces test errors rate.May then pass through the one-touch generation PMU test results of test result
Report, test report includes tested PMU devices essential information, test environment conditions essential information and test result information, institute
There is information to be automatically generated according to test result by PMU testers, both avoided the work of cumbersome artificial establishment report, keep away again
Exempt from Human disturbance, increased the objective neutrality of report.
Fig. 1 show PMU testers, PMU collecting units and PMU centralized units and is both needed to by clock synchronization, and clock is same
Step can provide unified clock source for PMU testers, PMU collecting units and PMU centralized units, and three's synchronization is ensured with this.It is right
In double bus scheme mode or double-bus section wiring mode, dosage is carried out from wire center interchanger.Due to being related to
Monospace, single combining unit, therefore Current Voltage can be carried out by optical port, analog line combining unit or main transformer combining unit
Input.
Fig. 2 show PMU testers, PMU collecting units and PMU centralized units and is both needed to by clock synchronization, and clock is same
Step can provide unified clock source for PMU testers, PMU collecting units and PMU centralized units, and three's synchronization is ensured with this.It is right
In such as 3/2 mode of connection, dosage is carried out from string center switch.Due to being related to multiple intervals, multiple combining units, therefore
Can simulate side breaker, middle breaker combining unit, circuit combining unit or main transformer combining unit and enter by multiple optical ports
The input of row Current Voltage.
Fig. 3 show PMU device to test general principles, by pc client, PMU testers, PMU collecting units, PMU collection
Middle unit and clock timing device form following closed loop wiring.PMU testers, PMU collecting units and PMU centralized units are equal
Need to be by clock synchronization.The interface of PMU testers and PMU collecting units is configured by PMU testers pc client, PMU is controlled
Tester sends related Current Voltage and switching value to PMU collecting units；PMU collecting units data pass through PMU centralized units
Treatment after PMU testers are sent back to by netting twine, by contrast the completions corresponding function survey that data are sent with PMU testers
Examination.
Significantly, since target data when PMU centralized unit data are band, therefore can be by back production to PMU
Tester completes the comparison of data.By the data processing of PMU testers, current and voltage quantities trueness error, phase angle can be completed
Error and its dynamic response error.
In intelligent substation, in general, PMU devices collecting unit and the PMU devices of portion voltage grade concentrate single
Unit is not in same screen cabinet.Whether PMU devices collecting unit has in same screen cabinet with centralized unit to PMU device to test connection principles
Considerable influence, below the test connection principle to both of these case be illustrated respectively.
Fig. 4 is shown in the case where PMU devices collecting unit and centralized unit are closer to the distance, can be using same PC visitors
Sending and receiving for PMU device data is realized in family end by netting twine, and data are transmitted in PMU testers and data are received
Treatment, generate final PMU regulations test report.
As can be seen that an indirect network switch of this kind of wiring in pc client and PMU testers, it is possible to achieve
Using only the same data of pc client to the transmission of PMU testers, and PMU device centralized unit data are received, so that real
The comparison and treatment of existing data.
Fig. 5 is shown in the case where PMU devices collecting unit and centralized unit are distant, it is impossible to only with one
Pc client receives data by a netting twine from PMU centralized units.Two pc clients are now used, respectively by PC client
End 1 sends data to PMU devices collecting unit, and PMU device centralized units are received by pc client 2.Thus in pc client 1
Form band markers and send data file, while target receives data file when pc client 2 forms band, finally by two files
Import and processed in PMU tester softwares, automatically generate test report.Specific wiring is as shown in Figure 3.
As can be seen that this kind of wiring forms closed loop wiring by two pc clients and PMU devices testing, it is adaptable to PMU
Situation when device centralized unit and distant collecting unit, transmission from one of client to PMU device collecting units
Data, another client receives PMU device centralized unit data, so as to realize the comparison and treatment of data.
Fig. 6 show the idiographic flow of the innovation patent.By closed loop wiring, import intelligent substation SCD file, configuration
PMU testers and PMU devices input/output port and interval information, connection PMU tests and PMU devices, configuration PMU testers are surveyed
The links such as examination item, beginning PMU testing experiments, generation PMU testing experiment reports, complete whole PMU device to test experiment process.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
Due to according to intelligent substation on-site actual situations, employing PMU device closed loop test technological means, so, have
Effect solves the presence of existing intelligent substation PMU devices and cannot carry out the technical problem of Validity Test, and then realize can
The effective technique effect tested intelligent substation synchronous phasor measuring device.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. intelligent substation synchronous phasor measuring device method of testing, it is characterised in that methods described includes：
Step 1：Installing PMU schematic diagram of device carries out testing closed loop wiring；
Step 2：Intelligent substation SCD file is imported in PMU testers；
Step 3：According to intelligent substation SCD file, configuration PMU testers input/output port, interval information；
Step 4：Connection PMU testers and PMU devices, configure PMU tester dependence test projects；
Step 5：Complete, with click beginning testing button is postponed, PMU device to test to be carried out automatically, complete PMU device to test, and root
According to test event and result test report is automatically generated according to test report template.
2. intelligent substation synchronous phasor measuring device test device, it is characterised in that the test device includes：
PMU testers, pc client, wherein, synchronous phasor measuring device includes PMU centralized units and PMU collecting units, described
Intelligent substation SCD file is imported with PMU testers, PMU testers send Current Voltage and switching value and gather single to PMU
Unit；Data in PMU collecting units will be sent by being transmitted back to PMU testers, PMU testers after the treatment of PMU centralized units
Data carry out the functional test that contrast completes intelligent substation synchronous phasor measuring device with return data.
3. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that described
PMU collecting units are used to gather intelligent substation synchronizing signal, and the PMU centralized units are used for the letter of the single collection of PMU collections
Number collected and forwarded.
4. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that the PC
Client is used to configure the interface of PMU testers and PMU collecting units, and PMU testers are controlled.
5. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that the survey
Trial assembly is put also includes clock synchronization module, and the clock synchronization module is used to be concentrated for PMU testers, PMU collecting units, PMU
Unit provides unified clock.
6. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that work as PMU
With PMU centralized units in same screen cabinet, the test device also includes collecting unit：Pc client and the network switch, institute
The network switch is stated to be all connected with pc client, PMU testers, PMU centralized units.
7. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that work as PMU
With PMU centralized units not in same screen cabinet, the test device also includes collecting unit：Pc client 1, pc client 2, PC
Client 1 sends data to PMU collecting units, and pc client 2 receives the data of PMU centralized units.
8. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that work as power transformation
Stand during in double bus scheme mode or double-bus section wiring mode, circuit or main transformer electric current merge single using single
Elementary current, the single combining unit synchronous network of simulation sends, by optical fiber connecting test instrument optical port and PMU device collecting unit optical ports or
Interchanger optical port is connected；When transformer station is in 3/2 mode of connection, circuit or main transformer electric current use two combining units
Electric current synthesize the mode of line current, simulate many combining unit synchronous networks and send, a plurality of optical fiber is connected into multichannel optical port,
And the current data of optical port synchronizes treatment by tester software.
9. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that described
PMU testers are additionally operable to automatically generate test report according to test result, and test report includes：Tested PMU devices essential information,
Test environment conditions essential information and test result information.
10. intelligent substation synchronous phasor measuring device test device according to claim 2, it is characterised in that described
Closed loop test method according to PMU device collecting unit data and the data type of two kinds of centralized unit, it is parsed；Root
According to the requirement of station end integrated monitoring system, what PMU devices collecting unit was received is intelligent substation 61850-9-2 agreement numbers
According to simultaneously the data of loopback are Ethernet protocol data from after the treatment of PMU devices centralized unit, and PMU tester softwares can be to intelligence
Energy transformer station 61850-9-2 protocol datas and Ethernet protocol data carry out analysis and comparison.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942167A (en) * | 2017-11-22 | 2018-04-20 | 国网四川省电力公司电力科学研究院 | Intelligent substation synchronous phasor measuring device boss, which stands, tests system and method |
| CN109521300A (en) * | 2018-11-29 | 2019-03-26 | 贵州电网有限责任公司 | A kind of test method of multifunctional digital tester |
| CN111999690A (en) * | 2020-08-25 | 2020-11-27 | 中电普瑞电力工程有限公司 | Batch factory detection system and method for adaptive PMU device |
| CN112671101A (en) * | 2020-12-11 | 2021-04-16 | 广西电网有限责任公司电力科学研究院 | Closed-loop test system and method for intelligent power transformation protection equipment with whole-screen cabinet access |
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| CN111999690B (en) * | 2020-08-25 | 2023-08-22 | 中电普瑞电力工程有限公司 | Batch delivery detection system and method for self-adaptive PMU devices |
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