CN103885438B - The Auto-Test System of a kind of transformer station measuring and controlling equipment and method - Google Patents

The Auto-Test System of a kind of transformer station measuring and controlling equipment and method Download PDF

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Publication number
CN103885438B
CN103885438B CN201410104304.2A CN201410104304A CN103885438B CN 103885438 B CN103885438 B CN 103885438B CN 201410104304 A CN201410104304 A CN 201410104304A CN 103885438 B CN103885438 B CN 103885438B
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test
measuring
controlling equipment
background server
transformer station
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CN201410104304.2A
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CN103885438A (en
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李劲松
杨威
许智
张金虎
陈心灿
杨文平
刘筱萍
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国家电网公司
中国电力科学研究院
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Abstract

The present invention provides Auto-Test System and the method for a kind of transformer station measuring and controlling equipment, and system includes test background server, switch, network tester, intelligent tester, three-phase standard scale, controllable electric power and gps clock module;Described network tester, intelligent tester, three-phase standard scale and controllable electric power are respectively by carrying out data exchange between switch and test background server, described test background server is communicated with described measuring and controlling equipment by procotol, controlling controllable electric power is that measuring and controlling equipment is powered, and is realized the time synchronized of test background server and measuring and controlling equipment by gps clock module simultaneously.The Auto-Test System of transformer station's measuring and controlling equipment that the present invention provides and method, it is capable of the automatically generating of test assignment, automatically performing of detecting step and automatically generating of examining report, reduce artifact interference, get rid of test randomness, improve testing efficiency and the reliability of test, realize test repeatability, it is ensured that the trackability of test job, ensure reliability and the concordance of test result.

Description

The Auto-Test System of a kind of transformer station measuring and controlling equipment and method

Technical field

The invention belongs to automation equipment technical field of measurement and test, be specifically related to a kind of transformer station measuring and controlling equipment Auto-Test System and Method.

Background technology

At present, along with carrying out of intelligent grid dispatching automation and intelligent substation construction, lot of domestic and international R&D institution and colleges and universities Carry out the test of relevant intelligent substation, Testing Technology Study work one after another, but the test of dispatching of power netwoks master station automation system Less.Some test instrunment producers have started to develop the secondary device testers such as intelligent substation relay protection both at home and abroad. The power train Guided Missiles Service Test Set of OMICRON company exploitation, provides the support to IEC61850 in the version of its more than v2.22. The protection tester producers such as China of domestic middle unit electricity, rich electric, wide Fu Hui have also carried out intelligent substation protection tester research and development, but The most do not build up at present both at home and abroad and dispatching automation and electric substation automation system can be carried out the comprehensive test of comprehensive detection and put down Platform, the research for transformer station's measuring and controlling equipment automatic test technology does not the most also have complete expansion, can not find about this technical side yet The paper that face is complete.

Along with the development of power automation technology, a lot of electric substation automation system new product the most all can be had to come into operation and upgrade Regenerate, it is desirable to have electric substation automation system and the testing tool of every application function, but there is no in the market transformer station The automated test tool of measuring and controlling equipment, lacks the automatic detection means to transformer station's measuring and controlling equipment, all tests the most always The most also resting on manual testing's stage, automaticity is the highest, and method of testing is the most relative with test instrunment backward, the mark of test Standardization, the closed loop of test, the standardization of examining report, the transparence of test process, the aspect such as extensibility of test are all deposited In the biggest shortcoming.For the new features of transformer station's measuring and controlling equipment test, it is new that research intelligent substation measuring and controlling equipment is tested automatically Method, it is possible to realize the automatically generating of test assignment, automatically performing of detecting step and automatically generating of examining report, reduce people Work factor is disturbed, and gets rid of test randomness, improves testing efficiency and the reliability of test, it is achieved test repeatability, it is ensured that surveys The trackability that trial work is made, ensures reliability and the concordance of test result.

Summary of the invention

In order to overcome above-mentioned the deficiencies in the prior art, the present invention provides Auto-Test System and the method for a kind of transformer station measuring and controlling equipment, It is capable of the automatically generating of test assignment, automatically performing of detecting step and automatically generating of examining report, reduces artifact Interference, gets rid of test randomness, improves testing efficiency and the reliability of test, it is achieved test repeatability, it is ensured that test job Trackability, ensure the reliability of test result and concordance.

In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:

The present invention provides the Auto-Test System of a kind of transformer station measuring and controlling equipment, described system to include test background server, exchange Machine, network tester, intelligent tester, three-phase standard scale, controllable electric power and gps clock module;Described network tester, Intelligent tester, three-phase standard scale and controllable electric power pass through to carry out data exchange between switch and test background server respectively, Described test background server is communicated with described measuring and controlling equipment by procotol, and controlling controllable electric power is that measuring and controlling equipment is powered, Realized the time synchronized of test background server and measuring and controlling equipment by gps clock module simultaneously.

Described test background server is by IEC60870-5104 communication protocol or IEC61850 communication standard and described measuring and controlling equipment Communicate.

Described test background server controls controllable electric power output AC 176V~253V voltage, thus power for measuring and controlling equipment.

Intelligent tester described in described test background server controls, thus control test process, and by reading three-phase standard scale Data and the data of measuring and controlling equipment, carry out Data Management Analysis, ultimately form test report.

Described system receives gps time synchronizing signal by gps clock module, to ensure test background server, Intelligent testing Examination instrument and the time synchronized of measuring and controlling equipment.

The present invention also provides for the automatic test approach of a kind of transformer station measuring and controlling equipment simultaneously, it is characterised in that: described method include with Lower step:

Step 1: the internal data information of measuring and controlling equipment described in described test background collection of server;

Step 2: described test background server communicates with measuring and controlling equipment and controllable electric power;

Step 3: measuring and controlling equipment is tested automatically, and control the test process of measuring and controlling equipment;

Step 4: read described three-phase standard scale data, compares it with the measuring and controlling equipment data gathered, and carries out data Treatment Analysis, records test result;

Step 5: described test background server automatically analyzes test result, generates test report.

In described step 2, test background server controls controllable electric power exports the voltage of 176V, 220V, 253V respectively, and Record measuring and controlling equipment remote measurement value, remote signalling and remote control when three above electric pressure respectively, by the intelligent tester with reading And three-phase standard scale data be analyzed calculate, so that it is determined that the power supply of measuring and controlling equipment is when 176V~253V, its function and The correctness of performance.

In described step 3, the test content that measuring and controlling equipment is tested automatically include measuring and controlling equipment and dispatching automation main website it Between communication protocol test, measuring and controlling equipment analog quantity test, measuring and controlling equipment digital quantity test, measuring and controlling equipment time synchronized and response time Between test, measuring and controlling equipment power supply impact test and the timing automatic test of measuring and controlling equipment stable operation.

Between measuring and controlling equipment and dispatching automation main website in communication protocol test, measuring and controlling equipment meets IEC60870-5104 communication protocols View or IEC61850 communication standard, produced switching value by the simulation of described Auto-Test System and exchanged remote measurement amount, completing observing and controlling and set Communication protocol test between standby and dispatching automation main website, and realize stipulations uniformity test by test background server;

The test of measuring and controlling equipment analog quantity includes basic remote measurement test and exchanges the test of remote measurement influence amount, exchange remote measurement influence amount test bag Include frequency change impact test, in the case of three-phase current unbalance three-phase meritorious/reactive power test, add harmonic component voltage/current Impact test between/meritorious/idle test, three-phase voltage/electric current excess limit test, circuit, power factor change impact test, from Heat affecting test, continuous cross input after test, short-term crosses test and fault current test after input;

The test of measuring and controlling equipment digital quantity includes remote signalling displacement correctness test, the test of sequence of events recording station intrinsic resolution, remote signalling snow Collapse disposal ability test and sequence of events recording stabilization function is tested;

The test content of measuring and controlling equipment time synchronized and response time test includes that the test of measuring and controlling equipment time adjustment function, remote signalling data ring Answer time test and the test of telemetry response time;

In the impact test of measuring and controlling equipment power supply, controllable electric power provides power supply, output direct current 253V, exchange 253V for measuring and controlling equipment Following voltage, can complete the impact test of measuring and controlling equipment power supply by the output of test background server controls controllable electric power;

In the timing automatic test of measuring and controlling equipment stable operation, intelligent tester timing output is set by station server after a test, Realize the fixed time test of 72 hours continuous-stable energizing tests of measuring and controlling equipment.

In described step 4, test background server controls test process by controlling intelligent tester and controllable electric power, reads Taking and send data on three-phase standard scale data and measuring and controlling equipment and carry out Data Management Analysis, the error of measuring and controlling equipment test simulation amount needs Meet " GB/T13729 remote terminal unit equipment " examination criteria;Error when testing measuring and controlling equipment is intelligent tester Error between output valve and measuring and controlling equipment data.

In described step 5, first test background server generates report according to the examining report template set and selected test event Slide former, inserts corresponding for test result in report template with result of calculation according to test content subsequently;In the process, test Background server sets different priority according to different users, reaches to control the requirement of examining report verity, and increases inspection Observe and predict the motility of announcement.

Compared with prior art, the beneficial effects of the present invention is:

Can require to realize the automatically generating of test assignment, automatically the performing and examining report of detecting step according to each test assignment Automatically generate, reduce artifact interference, get rid of test randomness, improve testing efficiency and the reliability of test, it is achieved test Repeatable, it is ensured that the trackability of test job, ensure reliability and the concordance of test result.

It addition, built by automatically testing platform, a set of mode, method and tool that measuring and controlling equipment performance is evaluated can be formed The index system of body, sets up effective detection and evaluation criteria system, the overall performance of effective evaluation intelligent substation, promotes to survey The standardization of control equipment Inspection, and then promote the orderly, effective and practical of intelligent substation construction, create substantial economics And social benefit.

Accompanying drawing explanation

The Auto-Test System schematic diagram of Tu1Shi transformer station measuring and controlling equipment;

Fulfill testing report automatically flow chart in the automatic test approach of Tu2Shi transformer station measuring and controlling equipment.

Detailed description of the invention

Below in conjunction with the accompanying drawings the present invention is described in further detail.

Fig. 1 is transformer station based on ethernet communication measuring and controlling equipment Auto-Test System schematic diagram, and ethernet communication has network speed Degree is fast, broader bandwidth, network structure are simple, network equipment standard is unified, feature convenient with test background computer interface, So that the real time access between node on network becomes a reality.Each equipment in Auto-Test System is connected by Ethernet, Communication protocol uses IEC60870-5104 and the IEC61850 stipulations of standard, is differentiated by the IP address of different device. Auto-Test System realizes the time synchronized of automatic checkout system by GPS satellite clock, it is possible to achieve system build-in test instrument and Equipment under test operation monitoring under Unified GPS time reference, improves the time accuracy of sequence of event, improves friendship The data reliability of stream collection capacity, improves the accuracy of test.

Test background server, as the core component of this Auto-Test System, uses a computer to complete following sections function:

The content that transformer station's measuring and controlling equipment is to be tested is determined according to testing requirement;

Control intelligent tester and controllable electric power thus control test process;

Read and send data and carry out Data Management Analysis on three-phase high accuracy table data and equipment under test;

According to test content and Test data generation examining report;

Transformer station's measuring and controlling equipment automatic test experiments platform test content:

1. the test of communication protocol between transformer station's measuring and controlling equipment and dispatching automation main website

Communication between intelligent substation measuring and controlling equipment automatic test experiments platform device use meet IEC60870-5104 or The communication protocol of IEC61850 standard.Equipment under test access test system time it is first necessary to self meet IEC60870-5104 or IEC61850 standard, produces the data such as various switching values, exchange remote measurement amount additionally by Auto-Test System simulation, i.e. can be complete Become the test of intelligent substation measuring and controlling equipment communication protocol based on IEC60870-5104 or IEC61850 standard, can also use Test background stipulations communication protocol test software realizes stipulations uniformity test.

2. transformer station's measuring and controlling equipment analog quantity test

Transformer station's measuring and controlling equipment is as the collection of data in intelligent substation complex automatic system and command executing unit, one Important task be the collection of transformer station's analog telemetering data, process and on send task, and by the analog telemetering number of sampling According to so judge the ruuning situation of transformer station, analyze substation operation safety for scheduling station comprehensively and safe operation of electric network provide complete The data support in face, during the detection for transformer station's measuring and controlling equipment, the collection of transformer station's measuring and controlling equipment analog telemetering data, Process and on send function also be detection in important content, analog telemetering Data Detection is broadly divided into two parts and carries out:

Part I is remote measurement basic test, specifically includes that

1. exchange remote measurement three-phase voltage, electric current (0~100% range);

2. exchange remote measurement power factor is active power when 1 and power factor is reactive power when 0 (0~100% range);

3. exchange remote measurement power factor is active power when 0.5L, 0.5C;

4. exchange remote measurement power factor is reactive power when 0.866L, 0.866C;

5. direct current remote measurement analog input A/D error testing.

Part II is exchange remote measurement influence amount test, specifically includes that

1. frequency change impact test: 45Hz, 50Hz, 55Hz three-phase voltage, electric current, having when power factor is 1 Merit power and power factor are reactive power (measurement 0~100% range) test when 0;

2. in the case of three-phase current unbalance, three-phase is gained merit, reactive power is tested;

3. add harmonic component voltage, electric current, meritorious, idle test;

4. three-phase voltage, electric current excess limit (120%) test;

5. impact test between circuit: (Ua=Ub=rated value, Uc=0V;Ia=Ib=0A, Ic=rated value);

6. power factor change impact test: active power (phase angle is 0 °, 70 °, 290 °) is tested, reactive power (phase angle is 90 °, 20 °, 160 °) tests

7. test from heat affecting:

A) equipment under test start 1~3min three-phase voltage, electric current, power factor is active power when 1 and power factor is Reactive power (measurement 0~100% range) when 0;

B) equipment under test start 30~35min three-phase voltages, electric current, power factor be active power when 1 and power x because of Number is reactive power when 0 (0~100% range);

The most continuous cross input after test: input continuously three-phase voltage, electric current 120% rated value test after two hours three-phase voltage, Village stream, power factor is active power when 1 and power factor is reactive power when 0 (0~100% range);

9. test after short-term crosses input: 20 times of A/s CT rated current, be spaced 5 minutes, totally five times;2 times of V/s PT volumes Determine electric current, be spaced 5 minutes, totally five times;

10. fault current test: electric current output (2.5In, 10In, 20In are optional) test.

3. transformer station's measuring and controlling equipment digital quantity test

Transformer station's measuring and controlling equipment is as the collection of data in intelligent substation complex automatic system and command executing unit, and it is additionally One important task has been transformer station's related switch amount input signal collection, logout, to chopper, disconnecting switch etc. The function such as it is controlled, remote signalling in the most daily term, the collection of SOE and to the primary equipment such as chopper, disconnecting switch and two The distant control function of the soft pressing plate of secondary device etc. and to the first-class remote regulating function of transformer tap.By the collection of remote signalling, SOE for analyzing The sequencing of the device actions such as the situation of fault and chopper provides strong evidence, monitors for electricity net safety stable and controls System creates good technical conditions;Distant by the primary equipment such as chopper, disconnecting switch and the soft pressing plate of secondary device etc. Control function and the remote regulating function that transformer tap is first-class is provided possibility for realizing unattended operation transformer station.Surveying for transformer station During the detection of control equipment, transformer station's measuring and controlling equipment remote signalling, SOE (sequence of events recording), distant control function are also in detection Important content, digital quantity detection mainly has following sections: 1. remote signalling displacement correctness is tested;The intrinsic resolution test of 2.SOE station; 3. remote signalling snowslide disposal ability test;4.SOE stabilization function is tested.

4. transformer station's observing and controlling IED equipment time synchronized and response time test

Along with the raising of automation of transformation substations level, combining from transformer station's Computer monitoring system, microcomputer protecting device, microcomputer Fault wave recording device and Various types of data supervisor are widely used, and the cooperating of these automatons needs one The most unified individual time.When power system is broken down, each system operation under same time reference of entirely standing can be realized Accident analysis after monitoring and accident, it is possible to analyze accident by each protection act, the sequencing of switch deciliter and correct time Reason and process.Expansion along with the increasingly sophisticated of electrical network He electrical network, it is provided that the clock reference of standard time becomes transformer station and is It is to ensure that safe operation of power system to whole power system in the urgent need to, the unification of clock, improves a weight of operation level Want measure, be one of comprehensive most basic requirement from electric substation automation system.So transformer station's measuring and controlling equipment time adjustment function and remote measurement, Remote signalling response time is also one of project of needing emphasis to detect.

The most nearly all transformer station measuring and controlling equipment time synchronized is mainly based upon gps clock satellite synchronization system and realizes, because of This this Auto-Test System mainly considers mode when GPS pair.Have in main test: 1. transformer station's measuring and controlling equipment time adjustment function is surveyed Examination;2. remote signalling data response time test;3. telemetry response time test.

5. transformer station's measuring and controlling equipment power supply impact test

According to " GB/T13729 remote terminal unit equipment " examination criteria, transformer station's measuring and controlling equipment is at rated power supply power supply-20%~15% Between change time, transformer station's measuring and controlling equipment should be able to normally work.On automatic test experiments platform, intelligence controllable electric power is Tested transformer station measuring and controlling equipment provides power supply, and it can export direct current 264V, exchange below 264V voltage according to different requirements, The output being controlled controllable electric power by test background can complete transformer station's measuring and controlling equipment power supply impact test.

6. the timing automatic test of transformer station's measuring and controlling equipment stable operation

According to " GB/T13729 remote terminal unit equipment " examination criteria, transformer station's measuring and controlling equipment is carried out no less than 72 before dispatching from the factory The energizing test of hour continuous-stable, examines its stability.It is configured by platform after a test, intelligent tester can be set Timing output, thus realize the fixed time test of 72 hours continuous-stable energizing tests.

3) transformer station's measuring and controlling equipment automatic test experiments platform data Treatment Analysis function

Test background needs not only to enough control intelligent testers and controllable electric power thus controls test process, also needs to read three-phase Send data and carry out Data Management Analysis on table data and equipment under test in high precision, an important finger of transformer station's measuring and controlling equipment test Mark is the error of analog quantity to be needed to meet " GB/T13729 remote terminal unit equipment " examination criteria.In measuring work, in a large number Practice have shown that, when repeatedly observing a certain unknown quantity by measuring instrument, always there is difference between each observation, this is just It it is measurement error.The reason producing measurement error mainly has: instrumental error, observation error and external environment.Measurement error presses it Producing reason and the difference affecting character on observed result, can be divided into systematic error, incidental error and rough error three class.? When testing transformer station's measuring and controlling equipment, main error has two kinds: 1. intelligent tester output valve and transformer station's measuring and controlling equipment sampling Error between data;2. the change between result and the fundamental measurement result during test of analog telemetering exchange telemetry portion influence amount Difference.Test background need to calculate different errors respectively according to different test events and export.

4) transformer station's measuring and controlling equipment automatic test experiments platform automatically generates examining report function

The function that test background finally need to complete is based on testing content and test data and result of calculation automatically generates detection report Accuse, thus complete whole tests.First this functional test backstage needs can be according to the examining report template set and selected survey Examination project generates a concrete report template, and test background need to be according to testing content and result of calculation by test result subsequently Correspondence is inserted in report template.In the process, different priority can be set according to different users, thus not only reach control The requirement of examining report verity processed, also can increase the motility of examining report.

Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit, although reference The present invention has been described in detail by above-described embodiment, those of ordinary skill in the field it is understood that still can to this Invention detailed description of the invention modify or equivalent, and without departing from spirit and scope of the invention any amendment or etc. With replacing, it all should be contained in the middle of scope of the presently claimed invention.

Claims (9)

1. the automatic test approach of transformer station's measuring and controlling equipment, it is characterised in that: said method comprising the steps of:
Step 1: the internal data information of measuring and controlling equipment described in test background collection of server;
Step 2: described test background server communicates with measuring and controlling equipment and controllable electric power;
Step 3: measuring and controlling equipment is tested automatically, and control the test process of measuring and controlling equipment;
Step 4: read three-phase standard scale data, compares it with the measuring and controlling equipment data gathered, and carries out data process Analyze, record test result;
Step 5: described test background server automatically analyzes test result, generates test report;
In described step 3, the test content that measuring and controlling equipment is tested automatically include measuring and controlling equipment and dispatching automation main website it Between communication protocol test, measuring and controlling equipment analog quantity test, measuring and controlling equipment digital quantity test, measuring and controlling equipment time synchronized and response time Between test, measuring and controlling equipment power supply impact test and the timing automatic test of measuring and controlling equipment stable operation;
Between measuring and controlling equipment and dispatching automation main website in communication protocol test, measuring and controlling equipment meets IEC60870-5104 communication protocols View or IEC61850 communication standard, produced switching value by the simulation of described Auto-Test System and exchanged remote measurement amount, completing observing and controlling and set Communication protocol test between standby and dispatching automation main website, and realize stipulations uniformity test by test background server;
The test of measuring and controlling equipment analog quantity includes basic remote measurement test and exchanges the test of remote measurement influence amount, exchange remote measurement influence amount test bag Include frequency change impact test, in the case of three-phase current unbalance three-phase meritorious/reactive power test, add harmonic component voltage/current Impact test between/meritorious/idle test, three-phase voltage/electric current excess limit test, circuit, power factor change impact test, from Heat affecting test, continuous cross input after test, short-term crosses test and fault current test after input;
The test of measuring and controlling equipment digital quantity includes remote signalling displacement correctness test, the test of sequence of events recording station intrinsic resolution, remote signalling snow Collapse disposal ability test and sequence of events recording stabilization function is tested;
The test content of measuring and controlling equipment time synchronized and response time test includes that the test of measuring and controlling equipment time adjustment function, remote signalling data ring Answer time test and the test of telemetry response time;
In the impact test of measuring and controlling equipment power supply, controllable electric power provides power supply, output direct current 253V, exchange 253V for measuring and controlling equipment Following voltage, can complete the impact test of measuring and controlling equipment power supply by the output of test background server controls controllable electric power;
In the timing automatic test of measuring and controlling equipment stable operation, intelligent tester timing output is set by station server after a test, Realize the fixed time test of 72 hours continuous-stable energizing tests of measuring and controlling equipment.
The automatic test approach of transformer station the most according to claim 1 measuring and controlling equipment, it is characterised in that: in described step 2, Test background server controls controllable electric power exports the voltage of 176V, 220V, 253V respectively, and record measuring and controlling equipment exists respectively Remote measurement value, remote signalling and remote control during three above electric pressure, by entering with the intelligent tester read and three-phase standard scale data Row analytical calculation, so that it is determined that the power supply of measuring and controlling equipment is when 176V~253V, its function and the correctness of performance.
The automatic test approach of transformer station the most according to claim 1 measuring and controlling equipment, it is characterised in that: in described step 4, Test background server controls test process by controlling intelligent tester and controllable electric power, read three-phase standard scale data and Sending data on measuring and controlling equipment and carry out Data Management Analysis, the error of measuring and controlling equipment test simulation amount need to meet that " GB/T 13729 is remote Dynamic terminal unit " examination criteria;Error when testing measuring and controlling equipment is intelligent tester output valve and measuring and controlling equipment number Error between according to.
The automatic test approach of transformer station the most according to claim 1 measuring and controlling equipment, it is characterised in that: in described step 5, First test background server generates report template, subsequently according to survey according to the examining report template set and selected test event Examination content is inserted corresponding for test result in report template with result of calculation;In the process, test background server is according to difference User set different priority, reach to control the requirement of examining report verity, and increase the motility of examining report.
The automatic test approach of transformer station the most according to claim 1 measuring and controlling equipment, it is characterised in that: described method uses Auto-Test System realizes;Described Auto-Test System includes test background server, switch, network tester, Intelligent testing Examination instrument, three-phase standard scale, controllable electric power and gps clock module;Described network tester, intelligent tester, three-phase standard scale With controllable electric power is respectively by carrying out data exchange between switch and test background server, described test background server passes through Procotol communicates with described measuring and controlling equipment, and controlling controllable electric power is that measuring and controlling equipment is powered, simultaneously by gps clock module Realize the time synchronized of test background server and measuring and controlling equipment.
The automatic test approach of transformer station the most according to claim 5 measuring and controlling equipment, it is characterised in that: described test background Server is communicated with described measuring and controlling equipment by IEC60870-5104 communication protocol or IEC61850 communication standard.
The automatic test approach of transformer station the most according to claim 5 measuring and controlling equipment, it is characterised in that: described test background Server controls controllable electric power output AC 176V~253V voltage, thus power for measuring and controlling equipment.
The automatic test approach of transformer station the most according to claim 5 measuring and controlling equipment, it is characterised in that: described test background Intelligent tester described in server controls, thus control test process, and by reading data and the measuring and controlling equipment of three-phase standard scale Data, carry out Data Management Analysis, ultimately form test report.
The automatic test approach of transformer station the most according to claim 5 measuring and controlling equipment, it is characterised in that: described system is passed through Gps clock module receive gps time synchronizing signal, with ensure test background server, intelligent tester and measuring and controlling equipment time Between synchronize.
CN201410104304.2A 2014-03-20 2014-03-20 The Auto-Test System of a kind of transformer station measuring and controlling equipment and method CN103885438B (en)

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