CN101923126B - Automatic closed loop test method - Google Patents

Automatic closed loop test method Download PDF

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Publication number
CN101923126B
CN101923126B CN200910243162.7A CN200910243162A CN101923126B CN 101923126 B CN101923126 B CN 101923126B CN 200910243162 A CN200910243162 A CN 200910243162A CN 101923126 B CN101923126 B CN 101923126B
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CN
China
Prior art keywords
goose
test
tester
data
protective relaying
Prior art date
Application number
CN200910243162.7A
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Chinese (zh)
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CN101923126A (en
Inventor
战秀河
张长久
袁敬中
钱玉春
赵琳
向前
郝海珍
何剑
Original Assignee
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
北京博电新力电气股份有限公司
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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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Publication of CN101923126B publication Critical patent/CN101923126B/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 automated closed-loop method of testing
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 automated closed-loop method of testing
background technology
Along with the popularization of digital transformer substation, current domestic Ge great tester producer, all at development digital protecting tester, has also released the product of oneself one after another, and numerical protection measuring technology has also been proposed to some of the recommendations.The digital relay protection GOOSE functional test of document 1(based on IEC61850) mentioned the scheme of the tester test digital relay protection GOOSE function of external certain company's research and development.Document 2(is to supporting the thinking of the relay protection test method of IEC-61850 standard) numerical protection method of testing has been made to some prospects, the concept of automatic test has been proposed, such as fetch protection definite value, report automatically.There are some defects in background technology; tester producer is all improving the product of oneself in order to meet current diversified digital protection device test from interface and agreement; but not too large improvement in method of testing, efficiency is lower, is mainly manifested in the following aspects:
Definite value still will manually be inputted, and automaticity is low;
Sampled value, report cannot be read automatically.
GOOSE parameter configuration trouble, relies on the definition that protection producer provides configuration parameter and data set.
Document 1 is mentioned Liao Mou company tester can directly read SCL file, obtains GOOSE configuration parameter.But still will manually these parameters be imported in test macro, do not resolve in addition the descriptor of each data of GOOSE data centralization.
Although document 2 has proposed the concept of automatic test, do not provide concrete implementation.
summary of the invention
(1) goal of the invention
The object 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 digital protecting tester, is characterized in that, comprising: digital protecting tester PWF master control board, FT3 plate, intake plate, output template, Ethernet interface and optical fiber interface,
Described FT3 plate connects PWF master control board, for sending the sampled value that meets FT3 form;
Described intake plate connects PWF master control board, for associated with the input of tester;
The described template of outputing connects PWF master control board, for associated with the output of tester;
Described Ethernet interface is connected respectively PWF master control board with described optical fiber interface, 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, for realizing ethernet communication and data processing.
Wherein, described optical fiber interface comprises FiberA, FiberB and FiberC and CH1, CH2 and CH3, FiberA and FiberB are for sending the sampled value that meets IEC61850-9-1 and IEC61850-9-2 agreement, FiberC is for subscription/publication GOOSE information, and CH1, CH2 and CH3 are for sending the sampled value that meets 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 respectively protective relaying device to be measured with digital protecting tester; for obtaining the information of protective relaying device, computing machine is processed described information.
Wherein, the FiberA of described digital protecting tester, FiberB, CH1, CH2 or CH3 connect the SMV interface of described protective relaying device for sending sampled value; FiberC connects the GOOSE interface of described protective relaying device; for subscription/publication GOOSE information; network access device connects the ethernet port of protective relaying device; for obtaining protection definite value, protective relaying device sampled value, the report of tripping operation/combined floodgate of described protective relaying device, described definite value, protective relaying device sampled value, the report of tripping operation/combined floodgate are processed by computing machine.
An automated closed-loop method of testing based on said system, comprises step:
Tester sets up test assignment according to test plan, automatically configures GOOSE parameter, automatically read/write protection definite value;
According to test assignment and protection definite value simulated failure, automatically resolve GOOSE message and obtain test result, read the protective relaying device tripping operation/report of closing a floodgate, be completed software and automatically generate a complete test report.
Wherein, described automatic configuration GOOSE parameter, comprising:
CID or the ICD file of resolving protective relaying device obtain its GOOSE publish/subscribe information, described GOOSE publish/subscribe 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;
According to the descriptor of GOOSE data, intake or the amount of outputing of GOOSE data and described digital protecting tester are carried out associated;
During issue GOOSE, the data set organization of GOOSE is generated automatically by testing system software, and described data set organization comprises data type, the data default value of data amount check, each data.
Wherein, described automatic configuration GOOSE parameter, also comprises:
Read the GOOSE model of protective relaying device, obtain its GOOSE publish/subscribe information.
Wherein, described automatic configuration GOOSE parameter, also comprises:
The GOOSE message of resolving protective relaying device issue, obtains its GOOSE and releases news.
Wherein, read/write is protected definite value automatically, comprising:
According to the feature of the protective relaying device storage definite value of IEC61850 regulation, test macro is directly from the data centralization fetch protection definite value of protective relaying device;
During write-protect definite value; first read the value that definite value controll block SGCB obtains definite value operational area, editing area, then editing area is revised as to operational area, now all definite values of editing area are identical with all definite values of operational area; at editing area, revise definite value, and confirm editor.
Wherein, also comprise:
Test macro reads the sampled value of protective relaying device automatically.
(3) beneficial effect
First digital protecting tester of the present invention has solved current digital transformer substation and has tested this difficult problem, and automatic test has improved testing efficiency, alleviated tester's work load; Realize test macro and protective device and carry out real-time communication, for new demand in the future provides development tool; Innovation in method of testing, for the test of other intelligent apparatus of digital transformer substation provides reference, is conducive to test under new standard the raising of industry overall technology level.
Accompanying drawing explanation
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, for the test of digital intelligent transforming plant protecting system, 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), intake plate, outputs template, Ethernet interface and optical fiber interface.
Described FT3 plate connects PWF master control board, comprises CH1, CH2 and CH3 optical fiber interface, for sending the sampled value that meets FT3 form;
Intake plate connects PWF master control board, for associated with the input of tester, this intake plate comprises 8 switch amount input terminals, incoming level conversion equipment and optical isolation, and wherein 8 switch amount input terminals are connected PWF master control board by incoming level conversion equipment with optical isolation.
Output template and connect PWF master control board, for associated with the output of tester, this is outputed 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 PWF master control board;
Ethernet interface is connected respectively PWF master control board with optical fiber interface, 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 for sending the sampled value that meets IEC61850-9-1, IEC61850-9-2 agreement, FiberC is for subscription/publication GOOSE information, and CH1, CH2 and CH3 are for sending the sampled value that meets FT3 form.
PWF master control board comprises 32 embedded-type ARM (Advanced RISC Machines) processor and digital signal processor (DSP), for realizing ethernet communication and efficient data processing fast.
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 respectively protective device to be measured with digital protecting tester; for obtaining the information of protective device, computing machine is processed described information.The FiberA of this digital protecting tester, FiberB, CH1, CH2 or CH3 connect the SMV interface of described protective device for sending sampled value; FiberC connects the GOOSE interface of described protective device for subscription/publication GOOSE information; network access device connects the Ethernet interface of protective device; for the protection definite value of protective device described in read/write, read the sampled value of described protective device, tripping operation/combined floodgates report of reading described protective device, described definite value, sampled value, the report of tripping operation/combined floodgate are processed by computing machine.
Automated closed-loop method of testing based on said system, the method comprising the steps of: tester sets up test assignment according to test plan, automatically configures GOOSE parameter, automatically read/write protection definite value; Then according to test assignment and protection definite value simulated failure, automatically resolve GOOSE data acquisition test result, the fetch protection device tripping operation automatically/report of closing a floodgate, test finishes software and automatically generates a complete test report.
In the inventive method step, automatically configure GOOSE parameter.During tester subscription/publication GOOSE, must configure some basic parameters, these parameters must be in full accord with the configuration of protective device.The GOOSE information that must know tested protective device issue while subscribing to GOOSE, these information comprise some basic configuration parameters (destination address, GoCBRef and GoID etc.) of GOOSE and the definition of each data of data centralization; During issue GOOSE, must know the GOOSE information that tested protective device is subscribed to, these information comprise some basic parameters (destination address, GoCBRef, GoID and Dataset reference etc.) of GOOSE and the structure (comprising data amount check, data type) of GOOSE data set.Method of the present invention proposes following three kinds of modes and automatically configures GOOSE parameter:
(1) read GOOSE model file and obtain GOOSE parameter and DSD
CID or ICD file that the 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 configure automatically; tester only need to carry out according to opening of the description of certain GOOSE data and tester associated into (or outputing), open the value that directly reflects the GOOSE data that it is associated into the state of (outputing) in the future.Issue is during GOOSE, and the data set organization software of GOOSE generates automatically, and tester only need to revise certain or some GOOSE data values.
(2) test macro and protective device communication, read its GOOSE model and obtain GOOSE issue, subscription information
If there is no the model file of tested protective device; test macro can with 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 in this way and to the requirement of protective device be: in protective device data model, must have GOOSE model or have independent GOOSE interface can read GOOSE model.
(3) resolve the GOOSE message of protective device issue, obtain its GOOSE and release news
The 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 cannot obtain in this way, the device producer that needs protection provides.Can only subscribe in this way the GOOSE data of protection issue, can not issue GOOSE data to protective device.
In the inventive method step, the definite value of automatic read/write protective device.Automatically fetch protection definite value is the important process in the whole exploitation of test automatically.Test macro, as client, carries out communication with C/S mode and protective device, fetch protection definite value.
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 LLN0, be public definite value, PTOC node is regularly overcurrent protection contact.Definite value under its logic node of each producer is all placed on data centralization at present.The order of the order of data centralization definite value and fixed value list table is the same.According to the feature of protective device storage definite value; and the interaction times that reduces client and server; directly from data centralization, obtain definite value; 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, for simulated failure.In automatic testing process, user need to revise protection definite value sometimes, such as throw move back pressing plate, its method is as follows: first read SGCB(definite value controll block) obtain the value of definite value operational area, editing area, then editing area is revised as to operational area.Now all definite values of editing area are identical with all definite values of operational area, at editing area, revise definite value, finally confirm editor.After adopting in this way, tester only need to revise definite value, confirms editor.
In the inventive method step, automatically read sampled value.The sampled value of protective device (effective value of voltage, electric current, phase place) passes to backstage with the form of data set; generally can there be a fixing data set name in each protective device producer; reading out data collection can obtain the value of each variable; by the path of each element under data set, read in addition description, the unit of each data, thereby test macro can obtain title, numerical value and the unit of each sampled value.
In the inventive method step, the fetch protection device tripping operation automatically/report of closing a floodgate.Realization comprises that two parts one are to read report, and another part is the processing of reading after report.After main thread calls and reads report thread, this thread moves always, waits for the arrival of protective device action event, comes one to read one, and event is deposited in to buffer zone.Main thread reads the report of buffer zone before doing next test point, and empties buffer zone, take and guarantees the report that the content of buffer zone is next test point.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes 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 (1)

1. an automated closed-loop method of testing, it is characterized in that, described method utilizes automatic closed loop test system to realize, described automatic closed loop test system comprises: computing machine, network access device and digital protecting tester, the Ethernet interface of described digital protecting tester connects computing machine by network access device, described network access device is connected respectively protective relaying device to be measured with digital protecting tester, and for obtaining the information of protective relaying device, computing machine is processed described information;
Described digital protecting tester comprises: digital protecting tester PWF master control board, FT3 plate, intake plate, output template, Ethernet interface and optical fiber interface,
Described FT3 plate connects PWF master control board, for sending the sampled value that meets FT3 form;
Described intake plate connects PWF master control board, for associated with the input of tester;
The described template of outputing connects PWF master control board, for associated with the output of tester;
Described Ethernet interface is connected respectively PWF master control board with described optical fiber interface, for the data communication between described tester and protective relaying device; Described optical fiber interface comprises FiberA, FiberB and FiberC and CH1, CH2 and CH3, FiberA and FiberB are for sending the sampled value that meets IEC61850-9-1 and IEC61850-9-2 agreement, FiberC is for subscription/publication GOOSE information, and CH1, CH2 and CH3 are for sending the sampled value that meets FT3 form;
Described PWF master control board comprises 32 embedded ARM processor and digital signal processor, for realizing ethernet communication and data processing;
The FiberA of described digital protecting tester, FiberB, CH1, CH2 or CH3 connect the SMV interface of described protective relaying device for sending sampled value, FiberC connects the GOOSE interface of described protective relaying device, for subscription/publication GOOSE information, network access device connects the ethernet port of protective relaying device, for obtaining protection definite value, protective relaying device sampled value, the report of tripping operation/combined floodgate of described protective relaying device, described definite value, protective relaying device sampled value, the report of tripping operation/combined floodgate are processed by computing machine;
Described method comprises step:
Tester sets up test assignment according to test plan, automatically configures GOOSE parameter, automatically read/write protection definite value;
According to test assignment and protection definite value simulated failure, automatically resolve GOOSE message and obtain test result, read the protective relaying device tripping operation/report of closing a floodgate, be completed software and automatically generate a complete test report;
Wherein, described automatic configuration GOOSE parameter comprises:
CID or the ICD file of resolving protective relaying device obtain its GOOSE publish/subscribe information, described GOOSE publish/subscribe 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;
According to the descriptor of GOOSE data, intake or the amount of outputing of GOOSE data and described digital protecting tester are carried out associated;
During issue GOOSE, the data set organization of GOOSE is generated automatically by testing system software, and described data set organization comprises data type, the data default value of data amount check, each data;
Wherein, described automatic configuration GOOSE parameter also comprises:
Read the GOOSE model of protective relaying device, obtain its GOOSE publish/subscribe information;
Wherein, described automatic configuration GOOSE parameter also comprises:
The GOOSE message of resolving protective relaying device issue, obtains its GOOSE and releases news;
Wherein, read/write is protected definite value automatically, comprising:
According to the feature of the protective relaying device storage definite value of IEC61850 regulation, test macro is directly from the data centralization fetch protection definite value of protective relaying device;
During write-protect definite value, first read the value that definite value controll block SGCB obtains definite value operational area, editing area, then editing area is revised as to operational area, now all definite values of editing area are identical with all definite values of operational area, at editing area, revise definite value, and confirm editor;
Wherein, described method also comprises:
Automatic closed loop test system reads the sampled value of protective relaying device automatically.
CN200910243162.7A 2009-12-30 2009-12-30 Automatic closed loop test method CN101923126B (en)

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