CN106771599B - The test device of intelligent substation synchronous phasor measuring device - Google Patents
The test device of intelligent substation synchronous phasor measuring device Download PDFInfo
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- CN106771599B CN106771599B CN201611045043.7A CN201611045043A CN106771599B CN 106771599 B CN106771599 B CN 106771599B CN 201611045043 A CN201611045043 A CN 201611045043A CN 106771599 B CN106771599 B CN 106771599B
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
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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
Abstract
The invention discloses the test devices of intelligent substation synchronous phasor measuring device, the test device includes: PMU tester, pc client, wherein, intelligent substation SCD file is imported in the PMU tester, PMU tester sends Current Voltage and switching value to PMU acquisition unit；PMU tester is transmitted back to after the processing that data in PMU acquisition unit pass through PMU centralized unit, PMU tester will send data and return data compares the functional test of completion intelligent substation synchronous phasor measuring device, realize the technical effect tested intelligent substation synchronous phasor measuring device.
Description
Technical field
The present invention relates to intelligent substation synchronous phasor measuring device research fields, and in particular, to intelligent substation is same
Walk phasor measuring set test method and test device.
Background technique
Synchronous phasor measuring device (PMU device) is that a kind of measurement for substation and power plant's synchronized phasor and dynamic are remembered
The device of record.In recent years, PMU device is configured in intelligent substations at different levels, based on the synchronous phasor measurement function of PMU device
The WAMS that stands is applied and electricity net safety stable calculates analysis and provides data source support, therefore it is responsible for power grid security and stable weight
Big responsibility.Currently, the PMU device and measuring technology of conventional substation have tended to be mature, and the technology of intelligent substation PMU device
Specification (company standard) is issued soon, and intelligent substation PMU device to test instrument matched with technical specification and test side are still lacked
Case needs to propose PMU device to test technical solution according to technical specification, researches and develops the work of relevant intelligent substation PMU tester
Work is also urgently carried out.
In conclusion present inventor has found above-mentioned technology extremely during realizing the present application technical solution
It has the following technical problems less:
In the prior art, existing intelligent substation PMU device there is technical issues that not carrying out.
Summary of the invention
The present invention provides a kind of intelligent substation synchronous phasor measuring device test method and test device, solve existing
With the presence of intelligent substation PMU device can not carry out validity test the technical issues of, realizing can be effectively to intelligent change
The technical effect that power station synchronous phasor measuring device is tested.
Intelligent substation PMU device is different with conventional substation PMU device, voltage and current, switch input/output amount
It is transmitted in a manner of communication message optical fiber, not the hardwire transmission mode of conventional substation.Therefore it needs to intelligence
The transmission signal of PMU device involved in energy substation SCD file is parsed, using PMU tester analog input voltage electric current
Amount and switching value detect the performance of intelligent substation PMU device and the correctness and integrality of function.
According to State Grid Corporation of China's newest QGDW 11202.6-2014 " intelligent substation automation equipment inspection criterion
6th part: synchronized phase measurement device " specification, the status of PMU apparatus function 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 device is proposed, and according to test
Technical solution researches and develops relevant intelligent substation PMU tester, realizes the test of intelligent substation PMU apparatus function.
In order to solve the above technical problems, this application provides a kind of tests of intelligent substation synchronous phasor measuring device to fill
It sets, the test device includes:
PMU tester, pc client, wherein intelligent substation SCD file is imported in the PMU tester, PMU is surveyed
It tries instrument and sends Current Voltage and switching value to PMU acquisition unit；Data in PMU acquisition unit pass through the place of PMU centralized unit
It is transmitted back to PMU tester after reason, PMU tester will send data and return data and compare the synchronous phase of completion intelligent substation
The functional test of measuring device.
Synchronous phasor measuring device (PMU) device is mainly made of PMU acquisition unit and PMU centralized unit.
Wherein, PMU acquisition unit: synchronous phasor measuring device utilizes Beidou/GPS satellite clock signal and high speed FPGA number
Word signal processing technology, energy synchro measure go out the signals such as access node voltage, electric current phasor and frequency, active and reactive, are complete set
The functions such as power network monitoring, automation of transformation substations observing and controlling, stability contorting, wide area protection of uniting provide necessary initial data and realize hand
Section.
Wherein, the data in PMU acquisition unit include: busbar voltage, route/main transformer current signal.Initially come from route/
The measurement winding analog quantity of the corresponding voltage transformer and current transformer of main transformer, is processed into symbol by corresponding combining unit
The digital signal of 61850-9-2 agreement is closed, this digital signal is sent to the acquisition of PMU device by optical fiber, via the network switch
Unit.And the signals such as the frequency of PMU acquisition unit, active and reactive be calculated by corresponding voltage and current come reality
When data.
Wherein, PMU device centralized unit is used to be responsible for summarizing and forwarding for more PMU device acquisition unit data.
PMU tester sends current and voltage data to PMU acquisition unit, and receives the echo back data of PMU centralized unit, and
The two is compared.
Wherein, which is characterized in that the test device includes pc client, and the pc client is for configuring PMU test
The interface of instrument and PMU acquisition unit, and PMU tester is controlled.
Wherein, the test device further includes clock synchronization module, the clock synchronization module be used for for PMU tester,
PMU acquisition unit, PMU centralized unit provide unified clock.
Wherein, when PMU acquisition unit and PMU centralized unit are in same screen cabinet, the test device further include: PC client
End and the network switch, the network switch are all connected with pc client, PMU tester, PMU centralized unit.
Wherein, when PMU acquisition unit and PMU centralized unit be not in same screen cabinet, the test device further include: PC visitor
Family end 1, pc client 2, pc client 1 send data to PMU acquisition unit, and pc client 2 receives the number of PMU centralized unit
According to.
Wherein, route or main transformer when substation is in double bus scheme mode perhaps double-bus section wiring mode
Depressor electric current is simulated single combining unit synchronous network and is sent using single combining unit electric current, by optical fiber connecting test instrument optical port with
PMU device acquisition unit optical port or the connection of interchanger optical port；When substation is in 3/2 mode of connection, route or main transformer pressure
Device electric current is simulated more combining unit synchronous networks and is sent in such a way that the electric current of two combining units synthesizes line current,
A plurality of optical fiber is connected into multichannel optical port, and by tester software synchronization process, otherwise the current data of these optical ports is required to
It is easy to cause optical fiber link data step-out and route or main transformer electric current is caused to alert in vain.
Wherein, when substation is in double bus scheme mode or double-bus section wiring mode, single conjunction can be simulated
And unit synchronous network is sent, by optical fiber connecting test instrument optical port and interchanger optical port；When substation is in 3/2 mode of connection
When, more combining unit synchronous networks can be simulated and sent, a plurality of optical fiber is connected into multichannel optical port.
Wherein, the PMU tester is also used to automatically generate test report according to test result, test report include: by
Survey PMU device 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 test method, the sides
Method includes:
Step 1: installation PMU schematic diagram of device carries out test closed loop wiring；
Step 2: intelligent substation SCD file is imported in PMU tester；
Step 3: according to intelligent substation SCD file, configuring PMU tester input/output port, interval information；
Step 4: connection PMU tester and PMU device configure PMU tester dependence test project；
Step 5: carrying out PMU device to test, complete PMU device to test, and generate test report.
It wherein, was to be filled in manually simultaneously by artificial ready-made test report template according to the test result done in the past
Handle test data, heavy workload, poor reliability.By the way that the test result of test item is stored and is carried out accordingly in software
Data processing, it is last to carry out Auto-writing according to the test report template integrated in software, generate 2007 version of word
Test report.
Wherein, SCD configuration file can be imported using PMU tester, can the channels such as Current Voltage to PMU device solve
Analysis, to more efficiently be connect with PMU device；PMU tester can show that the Chinese of the internal data of PMU mounted cast is retouched
It states, user is facilitated to be more convenient, be intuitively attached configuration in the internal data of PMU tester to PMU mounted cast.
One or more technical solution provided by the present application, has at least the following technical effects or advantages:
Due to using PMU device closed loop test technological means according to intelligent substation on-site actual situations, so, have
Effect, which solves existing intelligent substation PMU device, there is technical issues that not carrying out, and then realizing can
The technical effect that effectively intelligent substation synchronous phasor measuring device is tested.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention；
Fig. 1 is PMU device monospace digital simulation test schematic in the application；
Fig. 2 is PMU device multi-compartment digital simulation test schematic in the application；
Fig. 3 is PMU device to test schematic diagram in the application；
Fig. 4 is elementary diagram when PMU centralized unit and PMU acquisition unit are closer in the application；
Fig. 5 be the application in PMU centralized unit and PMU acquisition unit distance farther out when elementary diagram；
Fig. 6 is PMU device to test flow diagram in application.
Specific embodiment
The present invention provides a kind of intelligent substation synchronous phasor measuring device test method and test device, solve existing
With the presence of intelligent substation PMU device can not carry out validity test the technical issues of, realizing can be effectively to intelligent change
The technical effect that power station synchronous phasor measuring device is tested.
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the case where not conflicting mutually, the application's
Feature in embodiment and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implemented with being different from the other modes being described herein in range using other, therefore, protection scope of the present invention is not by under
The limitation of specific embodiment disclosed in face.
The invention patent is designed to provide intelligent substation PMU apparatus function test method, and thus develops intelligence
Energy substation PMU tester, realization detect intelligent substation PMU apparatus function, and can be automatic by PMU test result
Generate test report.
To realize above-mentioned technical problem, the invention adopts the following technical scheme:
This method for testing PMU apparatus function by importing intelligent substation SCD file, mainly by four main skills
Art principle composition: SCL(substation configuration description language) importing and configuration, simulation send electric current, the sampled datas such as 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 describes all intelligence electricity in substation
The information such as communication configuration and transforming plant primary system structure 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, it is configured using SCD
File imports PMU tester, can quickly parse the current and voltage quantities channel of PMU device, and is the channel analogy of PMU device
Dosage provides basis.
Further technical solution is that PMU tester, PMU acquisition unit and PMU centralized unit are both needed to same by clock
Step, clock synchronization can provide unified clock source for PMU tester, PMU acquisition unit and PMU centralized unit, guarantee three with this
Person is synchronous.According to different wiring, test method is also not quite similar.Double bus scheme mode or double-bus segmentation are connect
Line mode can carry out dosage on heart interchanger in the line.Since under this wiring, route or transformer relate only to separate room
Every that is, only the single combining unit of utilization can acquire the required voltage magnitude of current, therefore can pass through connecting test instrument optical port and exchange
Machine optical port can simulate the dosage that single combining unit carries out Current Voltage, i.e. analog line combining unit or main transformer merges single
Member carries out the input of Current Voltage.For such as 3/2 mode of connection, need to carry out dosage on every a string of center switch.By
In being related to the Current Voltage dosage at multiple intervals, multiple combining units, therefore it is needed through multichannel optical port, simulate side breaker,
Middle breaker combining unit, route combining unit or main transformer combining unit carry out the input dosage of Current Voltage.
Further technical solution is that the test philosophy is to configure PMU tester by PMU tester pc client
With the interface of PMU acquisition unit, controls PMU tester and send relevant Current Voltage and switching value to PMU acquisition unit；PMU
PMU tester is sent back to by cable after the processing that acquisition unit data pass through PMU centralized unit, by sending with PMU tester
Corresponding functional test is completed in the comparison of data.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 tester.By the data processing of PMU tester, electricity can be completed
Galvanic electricity presses accuracy of measurement error, phase angle error and its dynamic response error.In intelligent substation, in general, portion voltage etc.
The PMU device acquisition unit and PMU device centralized unit of grade be not in same screen cabinet.PMU device acquisition unit is with centralized unit
It is no to have larger impact, test wiring of this utility patent to both of these case to PMU device to test connection principle in same screen cabinet
Principle is designed respectively.
Further technical solution is that the one-touch generation of PMU apparatus function testing process refers to this PMU tester
According to QGDW 11202.6-2014 " the 6th part of intelligent substation automation equipment inspection criterion: synchronized phase measurement device "
Specification, main test module and test passes standard can be configured in tester in advance, tester only needs
Dependence test project is clicked, and can choose specific test content and carry out the one-touch confirmation of test item, while can lead to
Software algorithm is crossed, data will be sent and target reception data progress when band is automatically corresponding, and calculate its precision size automatically, mitigated
The work load of PMU test, reduces test errors rate.It may then pass through the one-touch generation PMU test knot of test result
Fruit report, test report include to be tested PMU device essential information, test environment conditions essential information and test result information,
All information are automatically generated by PMU tester according to test result, have not only avoided the work of cumbersome artificial establishment report, but also
Human disturbance is avoided, the objective neutrality of report is increased.
Fig. 1 show PMU tester, PMU acquisition unit and PMU centralized unit and is both needed to synchronize by clock, and clock is same
Step can provide unified clock source for PMU tester, PMU acquisition unit and PMU centralized unit, guarantee that three is synchronous 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 tester, PMU acquisition unit and PMU centralized unit and is both needed to synchronize by clock, and clock is same
Step can provide unified clock source for PMU tester, PMU acquisition unit and PMU centralized unit, guarantee that three is synchronous 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 by multiple optical ports, simulate side breaker, middle breaker combining unit, route combining unit or main transformer combining unit into
The input of row Current Voltage.
Fig. 3 show PMU device to test basic principle, passes through pc client, PMU tester, PMU acquisition unit, PMU collection
Middle unit and clock timing device form following closed loop wiring.PMU tester, PMU acquisition unit and PMU centralized unit are equal
It need to be synchronous by clock.The interface of PMU tester and PMU acquisition unit is configured by PMU tester pc client, controls PMU
Tester sends relevant Current Voltage and switching value to PMU acquisition unit；PMU acquisition unit data pass through PMU centralized unit
Processing after PMU tester sent back to by cable, pass through and send the corresponding function survey of comparison completions of data with PMU tester
Examination.
Significantly, since target data when PMU centralized unit data are band, therefore back production to PMU can be passed through
The comparison of tester completion data.By the data processing of PMU tester, current and voltage quantities trueness error, phase angle can be completed
Error and its dynamic response error.
In intelligent substation, in general, the PMU device acquisition unit and PMU device of portion voltage grade are concentrated single
Member is not in same screen cabinet.Whether PMU device acquisition unit and centralized unit have PMU device to test connection principle in same screen cabinet
Larger impact is below illustrated the test connection principle of both of these case respectively.
Fig. 4 is shown in the case where PMU device acquisition unit and centralized unit are closer, can be using same PC visitor
Sending and receiving for PMU device data is realized by cable in family end, and carries out sending data in PMU tester and receive data
Processing, generate final PMU regulation test report.
As can be seen that such wiring may be implemented in an indirect network switch for pc client and PMU tester
Transmission using only from the data of same pc client to PMU tester, and PMU device centralized unit data are received, thus real
The comparison and processing of existing data.
Fig. 5 is shown in PMU device acquisition unit and centralized unit in farther away situation, can not be only with one
Pc client receives data from PMU centralized unit by a cable.Two pc clients are used at this time, pass through PC client respectively
End 1 sends data to PMU device acquisition unit, receives PMU device centralized unit by pc client 2.Thus in pc client 1
It forms band markers and sends data file, while target receives data file when pc client 2 forms band, finally by two files
It imports in PMU tester software and is handled, automatically generate test report.Specific wiring is as shown in Figure 3.
As can be seen that such wiring forms closed loop wiring test by two pc clients and PMU device, it is suitable for PMU
Device centralized unit and acquisition unit distance farther out when the case where, transmission of one of client to PMU device acquisition unit
Data, another client receives PMU device centralized unit data, to realize the comparison and processing of data.
Fig. 6 show the detailed process of the innovation patent.By closed loop wiring, import intelligent substation SCD file, configuration
PMU tester and PMU device input/output port and interval information, connection PMU test and PMU device, configuration PMU tester are surveyed
Item is tried, starts PMU testing experiment, generate the links such as PMU testing experiment report, completes entire PMU device to test experiment process.
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
Due to using PMU device closed loop test technological means according to intelligent substation on-site actual situations, so, have
Effect, which solves existing intelligent substation PMU device, there is technical issues that not carrying out, and then realizing can
The technical effect that effectively intelligent substation synchronous phasor measuring device is tested.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. the test device of intelligent substation synchronous phasor measuring device, which is characterized in that the test device includes:
PMU tester, pc client, wherein synchronous phasor measuring device includes PMU centralized unit and PMU acquisition unit, described
Intelligent substation SCD file is imported in PMU tester, PMU tester sends Current Voltage and switching value and acquires list to PMU
Member；PMU tester is transmitted back to after the processing that data in PMU acquisition unit pass through PMU centralized unit, PMU tester will be sent
Data and return data compare the functional test for completing intelligent substation synchronous phasor measuring device；PMU acquisition unit connects
Intelligent substation 61850-9-2 protocol data is received, after the processing of PMU centralized unit and loopback Ethernet assists data, and PMU is surveyed
Analysis and comparison can be carried out to intelligent substation 61850-9-2 protocol data and Ethernet protocol data by trying instrument software；
When substation is in double bus scheme mode perhaps double-bus section wiring mode, route or main transformer electric current are adopted
With single combining unit electric current, simulates single combining unit synchronous network and send, optical fiber connecting test instrument optical port and PMU device are acquired
Unit optical port or the connection of interchanger optical port；When substation is in 3/2 mode of connection, route or main transformer electric current use two
The electric current of a combining unit synthesizes the mode of line current, simulates more combining unit synchronous networks and sends, a plurality of optical fiber is connected
Multichannel optical port is connect, and the current data of optical port passes through tester software and synchronizes processing；
The test device further includes clock synchronization module, and the clock synchronization module is used for as PMU tester, PMU acquisition list
Member, PMU centralized unit provide unified clock.
2. the test device of intelligent substation synchronous phasor measuring device according to claim 1, which is characterized in that described
PMU acquisition unit is used to acquire intelligent substation synchronization signal, what the PMU centralized unit was used to acquire PMU acquisition unit
Signal is summarized and is forwarded.
3. the test device of intelligent substation synchronous phasor measuring device according to claim 1, which is characterized in that described
Pc client is used to configure the interface of PMU tester Yu PMU acquisition unit, and controls PMU tester.
4. the test device of intelligent substation synchronous phasor measuring device according to claim 1, which is characterized in that when
PMU acquisition unit and PMU centralized unit are in same screen cabinet, the test device further include: pc client and the network switch,
The network switch is all connected with pc client, PMU tester, PMU centralized unit.
5. the test device of intelligent substation synchronous phasor measuring device according to claim 1, which is characterized in that when
PMU acquisition unit and PMU centralized unit be not in same screen cabinet, the test device further include: pc client 1, pc client
2, pc client 1 sends data to PMU acquisition unit, and pc client 2 receives the data of PMU centralized unit.
6. the test device of intelligent substation synchronous phasor measuring device according to claim 1, which is characterized in that described
PMU tester is also used to automatically generate test report according to test result, test report include: tested PMU device essential information,
Test environment conditions essential information and test result information.
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| 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 |
| 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 |
| CN112671101B (en) * | 2020-12-11 | 2022-11-04 | 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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| US20060259255A1 (en) * | 2005-04-05 | 2006-11-16 | Anderson James C | Method of visualizing power system quantities using a configurable software visualization tool |
| CN100472217C (en) * | 2005-07-25 | 2009-03-25 | 华东电力试验研究院 | Performance test method of synchronous phasor measuring device and test system |
| CN2906632Y (en) * | 2005-11-16 | 2007-05-30 | 上海南瑞实业有限公司 | Portable dynamic PMU performance tester |
| CN100381830C (en) * | 2005-11-16 | 2008-04-16 | 上海华东电力信息工程技术有限公司 | Method for checking out phase handling unit (PHU) in site |
| CN101629995A (en) * | 2009-08-10 | 2010-01-20 | 华中电网有限公司 | Detection method of phasor measurement unit PMU |
| CN202837399U (en) * | 2012-08-28 | 2013-03-27 | 南京国电南自电网自动化有限公司 | Synchronized phasor measurement apparatus |
| CN103033789B (en) * | 2012-12-26 | 2015-12-09 | 华北电力大学 | The quiet dynamic test system of a kind of synchronous phasor measurement unit PMU |
| CN103163499A (en) * | 2013-03-01 | 2013-06-19 | 江西省电力科学研究院 | Synchronous phasor measuring unit (PMU) detecting device |
| CN103400215B (en) * | 2013-06-20 | 2016-09-21 | 国家电网公司 | A kind of PMU measurement equipment and the correlating method of operation of power networks data equipment |
| CN103823200A (en) * | 2014-03-06 | 2014-05-28 | 国家电网公司 | Method for detecting distributed PMU |
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