CN101923126A - Digital protecting tester, automatic closed loop test system and method - Google Patents

Digital protecting tester, automatic closed loop test system and method Download PDF

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Publication number
CN101923126A
CN101923126A CN2009102431627A CN200910243162A CN101923126A CN 101923126 A CN101923126 A CN 101923126A CN 2009102431627 A CN2009102431627 A CN 2009102431627A CN 200910243162 A CN200910243162 A CN 200910243162A CN 101923126 A CN101923126 A CN 101923126A
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China
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goose
test
tester
data
protective
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CN2009102431627A
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Chinese (zh)
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CN101923126B (en
Inventor
战秀河
张长久
袁敬中
钱玉春
赵琳
向前
郝海珍
何剑
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华北电网有限公司
华北电网有限公司唐山供电公司
北京国电华北电力工程有限公司
北京博电新力电力系统仪器有限公司
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Priority to CN200910243162.7A priority Critical patent/CN101923126B/en
Publication of CN101923126A publication Critical patent/CN101923126A/en
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Abstract

The invention discloses a digital protecting tester which comprises a PWF main control board, a FT3 board, an input measuring board, an output measuring board, an Ethernet interface and an optical fiber interface. An automatic closed loop test system comprises a computer, a network connecting device and the digital protecting tester, and the digital protecting tester is connected with a protecting device by the optical fiber interface and is used for sending a sampling value and issuing/subscribing GOOSE information. An automatic closed loop test method comprises the following steps of: establishing a test task according to a test plan by a tester, automatically configuring GOOSE parameters and automatically reading/writing the set value of a relay protecting device; simulating a fault according to the test task and the protecting set value and automatically analyzing GOOSE data to obtain a test result; automatically reading the sampling value of the relay protecting device; automatically reading the switching-off/switching-on report of the protecting device; and automatically generating a complete test report by software after completing test. By the invention, the automatic test can be completed, the test efficiency is improved, and the workload of the tester is lightened.

Description

A kind of digital protecting tester, automatic closed loop test system and method

Technical field

The present invention relates to the technical field of measurement and test of digital intelligent transforming plant protecting system, relate in particular to a kind of digital protecting tester, automatic closed loop test system and method

Background technology

Along with the popularization of digital transformer substation, at present domestic each big tester producer has also released the product of oneself one after another all at the development digital protecting tester, and the numerical protection measuring technology has also been proposed some of the recommendations.Document 1 (based on the digital relay protection GOOSE functional test of IEC61850) has been mentioned the scheme of the tester test digital relay protection GOOSE function of external certain company's research and development.Document 2 (to the thinking of the relay protection test method of supporting the IEC-61850 standard) has been made some prospects to the numerical protection method of testing, has proposed the notion of automatic test, such as fetch protection definite value, report automatically.There are some defectives in background technology; tester producer is in order to satisfy present diversified digital protection device test all at the product that improves oneself from interface and agreement; but not too big improvement on the method for testing, efficiency ratio is lower, mainly shows the following aspects:

Definite value still will manually be imported, and automaticity is low;

Sampled value, report can't be read automatically.

GOOSE parameter configuration trouble relies on the definition that protection producer provides configuration parameter and data set.

Document 1 has been mentioned certain company's tester can directly read the SCL file, obtains the GOOSE configuration parameter.But still will manually import to these parameters in the test macro, do not resolve the descriptor of each data of GOOSE data centralization in addition.

Though document 2 has proposed the notion of automatic test, do not provide concrete implementation.

Summary of the invention

(1) goal of the invention

The purpose of this invention is to provide a kind of digital protection device tester, and digital intelligent transforming plant protecting system is automatic, the method for closed loop test.

(2) summary of the invention

A kind of digital protecting tester is characterized in that, comprising: PWF master control board, FT3 plate, open into template, leave template, Ethernet interface and optical fiber interface,

Described FT3 plate connects the PWF master control board, is used to send the sampled value that meets the FT3 form;

Described opening into template connects the PWF master control board, is used for related with the input of tester;

The described template of leaving connects the PWF master control board, is used for related with the output of tester;

Described Ethernet interface is connected the PWF master control board respectively with described optical fiber interface, is used for the data communication between described tester and protective relaying device;

Described PWF master control board comprises 32 embedded ARM processor and digital signal processor, is used to realize ethernet communication and data processing.

Wherein, described optical fiber interface comprises FiberA, FiberB and FiberC and CH1, CH2 and CH3, FiberA and FiberB are used to send the sampled value that meets IEC61850-9-1 and IEC61850-9-2 agreement, FiberC is used for subscription/publication GOOSE information, and CH1, CH2 and CH3 are used to send the sampled value that meets the FT3 form.

A kind of automatic closed loop test system; comprise: computing machine, network access device and above-mentioned digital protecting tester; the Ethernet interface of described digital protecting tester connects computing machine by network access device; described network access device is connected protective device to be measured respectively with digital protecting tester; be used to obtain the information of protective device, the described information of Computer Processing.

Wherein, the SMV interface that the FiberA of described digital protecting tester, FiberB, CH1, CH2 or CH3 connect described protective device is used to send sampled value; FiberC connects the GOOSE interface of described protective device; be used for subscription/publication GOOSE information; network access device connects the ethernet port of protective device; be used to obtain protection definite value, protective device sampled value, the tripping operation/combined floodgate report of described protective device, described definite value, sampled value, tripping operation/combined floodgate are reported by Computer Processing.

A kind of automated closed-loop method of testing based on said system comprises step:

The tester sets up test assignment according to test plan, disposes the GOOSE parameter automatically, automatically read/write protection definite value;

According to test assignment and protection definite value simulated failure, to resolve the GOOSE message automatically and obtain test result, the report of fetch protection device tripping operation/combined floodgate is tested the software that finishes and is generated a complete test report automatically.

Wherein, described automatic configuration GOOSE parameter comprises:

The CID or the ICD file of resolving protective device obtain its GOOSE publish/subscribe information, described information comprises the descriptor of GOOSE basic parameter and GOOSE data set and each data thereof, and described basic parameter comprises destination address, GoCBRef, GoID and APPID;

Descriptor according to the GOOSE data is carried out related into the amount or the amount of leaving opening of GOOSE data and tester;

During issue GOOSE, the data set organization of GOOSE is generated automatically by testing system software, and described data structure comprises data type, the data default value of data number, each data.

Wherein, described automatic configuration GOOSE parameter also comprises:

The GOOSE model of fetch protection device obtains its GOOSE publish/subscribe information.

Wherein, described automatic configuration GOOSE parameter also comprises:

Resolve the GOOSE message of protective device issue, obtain its GOOSE and release news.

Wherein, read/write is protected definite value automatically, comprising:

According to the characteristics of the protective device storage definite value of IEC61850 regulation, test macro is directly from the data centralization fetch protection definite value of protective device;

During the write-protect definite value, at first read the value that definite value controll block SGCB obtains definite value operational area, editing area, then the value of editing area is revised as the operational area, this moment, all definite values of editing area were identical with the operational area, revised definite value at editing area, and confirmed editor.

Wherein, also comprise:

The sampled value of the automatic fetch protection device of test macro.

(3) beneficial effect

Digital protecting tester of the present invention has at first solved present digital transformer substation and has tested this difficult problem, and automatic test has improved testing efficiency, alleviated tester's work load; Realize that test macro and protective device carry out real-time communication, for new demand in the future provides development tool; Innovation on method of testing helps the raising of test industry overall technology level under the new standard for the test of other intelligent apparatus of digital transformer substation provides reference.

Description of drawings

Fig. 1 forms structural drawing according to digital protecting tester of the present invention;

Fig. 2 is the automatic closed loop test system connection layout that comprises digital protecting tester of the present invention.

Embodiment

Digital protecting tester, automatic closed loop test system and method that the present invention proposes are used for the test of digital intelligent transforming plant protecting system, and accompanying drawings is as follows.

As shown in Figure 1, digital protecting tester of the present invention comprises PWF master control board, FT3 plate (link layer is chosen to be the FT3 form of IEC 60870-5-1, according to FT3 format analysis processing data), opens into template, leaves template, Ethernet interface and optical fiber interface.

Described FT3 plate connects the PWF master control board, comprises CH1, CH2 and CH3 optical fiber interface, is used to send the sampled value that meets the FT3 form;

Open into template and connect the PWF master control board, be used for related with the input of tester, this is opened into template and comprises 8 switch amount input terminals, incoming level conversion equipment and optical isolation, and wherein 8 switch amount input terminals are connected the PWF master control board by the incoming level conversion equipment with optical isolation.

Leave template and connect the PWF master control board, be used for related with the output of tester, this is left template and comprises 4 switch amount lead-out terminals, relay tip isolation output unit, and wherein 4 switch amount lead-out terminals are isolated output unit by relay tip and connected the PWF master control board;

Ethernet interface is connected the PWF master control board respectively with optical fiber interface, is used for the data communication between PC control software and tester and tester and protective device.Wherein optical fiber interface comprises FiberA, FiberB and FiberC and CH1, CH2 and CH3, FiberA and FiberB are used to send the sampled value that meets IEC61850-9-1, IEC61850-9-2 agreement, FiberC is used for subscription/publication GOOSE information, and CH1, CH2 and CH3 are used to send the sampled value that meets the FT3 form.

The PWF master control board comprises 32 embedded-type ARM (Advanced RISC Machines) processor and digital signal processor (DSP), is used to realize ethernet communication and efficient fast data processing.

The automatic closed loop test system that comprises above-mentioned digital protecting tester; also comprise: computing machine, network access device; as hub (hub); the Ethernet interface of described digital protecting tester connects computing machine by network access device; described network access device is connected protective device to be measured respectively with digital protecting tester; be used to obtain the information of protective device, the described information of Computer Processing.The SMV interface that the FiberA of this digital protecting tester, FiberB, CH1, CH2 or CH3 connect described protective device is used to send sampled value; the GOOSE interface that FiberC connects described protective device is used for subscription/publication GOOSE information; network access device connects the Ethernet interface of protective device; be used for the described protective device of read/write the protection definite value, read described protective device sampled value, read the tripping operation of described protective device/combined floodgate report, described definite value, sampled value, tripping operation/combined floodgate are reported by Computer Processing.

Based on the automated closed-loop method of testing of said system, the method comprising the steps of: the tester sets up test assignment according to test plan, disposes the GOOSE parameter automatically, automatically read/write protection definite value; According to test assignment and protection definite value simulated failure, resolve the GOOSE data automatically and obtain test result then, fetch protection device tripping operation/combined floodgate report automatically, end of test (EOT) software generates a complete test report automatically.

In the inventive method step, dispose the GOOSE parameter automatically.Must dispose some basic parameters during tester subscription/publication GOOSE, these parameters must be in full accord with the configuration of protective device.Must know the GOOSE information of tested protective device issue when subscribing to GOOSE, these information comprise some the basic configuration parameters (destination address, GoCBRef and GoID etc.) of GOOSE and the definition of each data of data centralization; Must know the GOOSE information that tested protective device is subscribed to during issue GOOSE, these information comprise some basic parameters (destination address, GoCBRef, GoID and Dataset reference etc.) of GOOSE and the structure (comprising data number, data type) of GOOSE data set.Method of the present invention proposes following three kinds of modes and disposes the GOOSE parameter automatically:

(1) reads the GOOSE model file and obtain GOOSE parameter and DSD

CID or ICD file that this method is resolved protective device obtain its GOOSE issue, subscription information; this information comprises the descriptor of some basic parameters (destination address, GoCBRef, GoID and APPID etc.), GOOSE data set and each data thereof of GOOSE; wherein the basic parameter of GOOSE (such as MAC Address, GOID etc.) can dispose automatically; the tester only need carry out related according to opening of the description of certain GOOSE data and tester into (or leaving), open the value that directly reflects the GOOSE data that it is related into the state of (leaving) in the future.Issue is during GOOSE, and the data set organization software of GOOSE generates automatically, and the tester only need revise certain or some GOOSE data values.

(2) test macro and protective device communication are read its GOOSE model and are obtained GOOSE issue, subscription information

If there is not the model file of tested protective device; test macro can with the protective device communication; read its GOOSE model; automatically obtain its GOOSE issue, subscription information, this information comprises the descriptor of some basic parameters (destination address, GoCBRef, GoID and APPID etc.), GOOSE data set and each data thereof of GOOSE.

Adopt this mode to be: the GOOSE model must be arranged in the protective device data model or have independent GOOSE interface can read the GOOSE model to the requirement of protective device.

(3) resolve the GOOSE message that protective device is issued, obtain its GOOSE and release news

This method is resolved the GOOSE message of protection issue automatically; obtaining its GOOSE releases news; this information comprises some basic parameters (destination address, GoCBRef, GoID and APPID etc.) and the GOOSE data set of GOOSE; but the descriptor of each data of GOOSE data centralization can't obtain in this way, and the device producer that needs protection provides.Can only subscribe to the GOOSE data of protection issue in this way, can not issue the GOOSE data to protective device.

In the inventive method step, the definite value of automatic read/write protective device.Automatically the fetch protection definite value is the important process in the whole exploitation of test automatically.Test macro carries out communication with C/S mode and protective device, the fetch protection definite value as client.

In the data model of protective device, setting valve and relevant action message thereof are to be modeled in each relevant logic node.As what define inside the LLN0 is public definite value, and the PTOC node is regularly the overcurrent protection contact.Definite value under its logic node of each producer all is placed on data centralization at present.The order of the order of data centralization definite value and fixed value list table is the same.Characteristics according to protective device storage definite value; and the interaction times that reduces client and server; directly obtain definite value from data centralization; obtain variable name, numerical value, description; pass to test macro; test macro does not need manual intervention (or the least possible) to parse definite value according to variable name, uses for simulated failure.In the automatic testing process, the user need revise the protection definite value sometimes, such as throw move back pressing plate, its method is as follows: at first read the value that SGCB (definite value controll block) obtains definite value operational area, editing area, then the value of editing area is revised as the operational area.This moment, all definite values of editing area were identical with the operational area, revised definite value at editing area, confirmed editor at last.After adopting this mode, the tester only need revise definite value, confirms editor.

In the inventive method step, read sampled value automatically.The sampled value of protective device (effective value of voltage, electric current, phase place) passes to the backstage with the form of data set; generally all can there be a fixing data set name in each protective device producer; the reading of data collection can obtain the value of each variable; read description, the unit of each data in addition by the path of each element under the data set, thereby test macro can obtain title, numerical value and the unit of each sampled value.

In the inventive method step, fetch protection device tripping operation/combined floodgate report automatically.Realization comprises that two parts one are to read report, and another part is the processing of reading after the report.This thread moved always after main thread called and reads the report thread, waited for the arrival of protective device action event, comes one to read one, and incident is deposited in buffer zone.Main thread reads the report of buffer zone before doing next test point, and empties buffer zone, is the report of next test point with the content that guarantees buffer zone.

Above embodiment only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (10)

1. a digital protecting tester is characterized in that, comprising: PWF master control board, FT3 plate, open into template, leave template, Ethernet interface and optical fiber interface,
Described FT3 plate connects the PWF master control board, is used to send the sampled value that meets the FT3 form;
Described opening into template connects the PWF master control board, is used for related with the input of tester;
The described template of leaving connects the PWF master control board, is used for related with the output of tester;
Described Ethernet interface is connected the PWF master control board respectively with described optical fiber interface, is used for the data communication between described tester and protective relaying device;
Described PWF master control board comprises 32 embedded ARM processor and digital signal processor, is used to realize ethernet communication and data processing.
2. digital protecting tester as claimed in claim 1; it is characterized in that; described optical fiber interface comprises FiberA, FiberB and FiberC and CH1, CH2 and CH3; FiberA and FiberB are used to send the sampled value that meets IEC61850-9-1 and IEC61850-9-2 agreement; FiberC is used for subscription/publication GOOSE information, and CH1, CH2 and CH3 are used to send the sampled value that meets the FT3 form.
3. automatic closed loop test system; it is characterized in that; comprise: the described digital protecting tester of computing machine, network access device and claim 1; the Ethernet interface of described digital protecting tester connects computing machine by network access device; described network access device is connected protective device to be measured respectively with digital protecting tester; be used to obtain the information of protective device, the described information of Computer Processing.
4. automatic closed loop test system as claimed in claim 3; it is characterized in that; the SMV interface that the FiberA of described digital protecting tester, FiberB, CH1, CH2 or CH3 connect described protective device is used to send sampled value; FiberC connects the GOOSE interface of described protective device; be used for subscription/publication GOOSE information; network access device connects the ethernet port of protective device; be used to obtain protection definite value, protective device sampled value, the tripping operation/combined floodgate report of described protective device, described definite value, sampled value, tripping operation/combined floodgate are reported by Computer Processing.
5. the automated closed-loop method of testing based on the described system of claim 3 is characterized in that, comprises step:
The tester sets up test assignment according to test plan, disposes the GOOSE parameter automatically, automatically read/write protection definite value;
According to test assignment and protection definite value simulated failure, to resolve the GOOSE message automatically and obtain test result, the report of fetch protection device tripping operation/combined floodgate is tested the software that finishes and is generated a complete test report automatically.
6. automated closed-loop method of testing as claimed in claim 5 is characterized in that, described automatic configuration GOOSE parameter comprises:
The CID or the ICD file of resolving protective device obtain its GOOSE publish/subscribe information, described information comprises the descriptor of GOOSE basic parameter and GOOSE data set and each data thereof, and described basic parameter comprises destination address, GoCBRef, GoID and APPID;
Descriptor according to the GOOSE data is carried out related into the amount or the amount of leaving opening of GOOSE data and tester;
During issue GOOSE, the data set organization of GOOSE is generated automatically by testing system software, and described data structure comprises data type, the data default value of data number, each data.
7. automated closed-loop method of testing as claimed in claim 5 is characterized in that, described automatic configuration GOOSE parameter also comprises:
The GOOSE model of fetch protection device obtains its GOOSE publish/subscribe information.
8. automated closed-loop method of testing as claimed in claim 5 is characterized in that, described automatic configuration GOOSE parameter also comprises:
Resolve the GOOSE message of protective device issue, obtain its GOOSE and release news.
9. automated closed-loop method of testing as claimed in claim 5 is characterized in that, read/write is protected definite value automatically, comprising:
According to the characteristics of the protective device storage definite value of IEC61850 regulation, test macro is directly from the data centralization fetch protection definite value of protective device;
During the write-protect definite value, at first read the value that definite value controll block SGCB obtains definite value operational area, editing area, then the value of editing area is revised as the operational area, this moment, all definite values of editing area were identical with the operational area, revised definite value at editing area, and confirmed editor.
10. as the arbitrary described automated closed-loop method of testing of claim 5-9, it is characterized in that, also comprise:
The sampled value of the automatic fetch protection device of test macro.
CN200910243162.7A 2009-12-30 2009-12-30 Automatic closed loop test method CN101923126B (en)

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