CN108508291A - A kind of direct current protecting function detecting method and system - Google Patents

A kind of direct current protecting function detecting method and system Download PDF

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Publication number
CN108508291A
CN108508291A CN201810204626.2A CN201810204626A CN108508291A CN 108508291 A CN108508291 A CN 108508291A CN 201810204626 A CN201810204626 A CN 201810204626A CN 108508291 A CN108508291 A CN 108508291A
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China
Prior art keywords
data
output
board
action
protective device
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CN201810204626.2A
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Chinese (zh)
Inventor
邢超
李胜男
陈勇
马红升
赵勇帅
刘明群
何鑫
李俊鹏
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Electric Power Research Institute of Yunnan Power System Ltd
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Electric Power Research Institute of Yunnan Power System Ltd
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Priority to CN201810204626.2A priority Critical patent/CN108508291A/en
Publication of CN108508291A publication Critical patent/CN108508291A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A kind of direct current protecting function detecting method of the application offer and system, including:According to the protection type of detection, required criterion type and threshold value are determined, and data output control is carried out to primary processor;Control information is exported according to data, gives corresponding data processor to send corresponding data output instruction respectively;Based on data output instruction, controls corresponding board and corresponding data output is carried out to protective device;Relay protective scheme judgement is carried out according to the data received, and corresponding action status information is exported to corresponding board;Action status information is received, and it is sent to primary processor by corresponding data processor, primary processor is carried out output feedback again;The action status information for receiving primary processor feedback, generates corresponding test report.Can a variety of or whole criterions needed for direct current protecting detection be carried out while be exported simultaneously, and receive the complete preservation information after direct current protecting action, detection method simple and effective has very high practicability.

Description

A kind of direct current protecting function detecting method and system
Technical field
The present invention relates to HVDC transmission system testing field more particularly to a kind of direct current protecting function detecting method and System.
Background technology
With the development of high voltage dc transmission technology, more and more high voltage DC engineerings are gone into operation in succession, domestic common Direct current protecting mainly uses the configuration logic of two from three, and the configuration of three sets of protections is identical, is acted when there is at least two sets of protective devices When, which just exports, and can effectively improve the reliability of direct current protecting.And putting into operation with a large amount of DC engineerings, it is right The detection of DC transmission protection device defencive function also more seems important.
Only have criterion of the analog data as protection, the detection of direct current protecting apparatus function usually to need different from harmonics The criterion wanted has a variety of criterions such as analog data, digital data, network data, the channel that protection detection needs more.Mesh Independent test of the preceding existing protection detection method spininess to a certain special modality, therefore when carrying out direct current protecting detection, need Different test method and equipment is used to carry out input/output test to corresponding channel respectively, it can not be simultaneously to direct current protecting Required whole criterion is carried out while being exported.When needing to be carried out at the same time a variety of protection type detections, or complete detection need to be carried out When obtaining all corresponding protection test datas, need numerous equipment, detection method is complicated, need to take a substantial amount of time with As possible, the efficiency to direct current protecting function Site Detection can be substantially reduced.For the test of direct current protecting, there are no corresponding at present The different criterion types of set detection method and system, realize and the simple and effective of direct current protecting function detected.
Invention content
This application provides a kind of direct current protecting function detecting method and systems, to solve in the prior art if you need to right simultaneously All criterions needed for protection are carried out while being exported, and the method and apparatus being related to is complex, need to take considerable time and energy, The problem of reducing direct current protecting function scene detection efficiency.
On the one hand the application provides a kind of direct current protecting function detecting method, including:
According to the protection type of detection, required criterion type and threshold value are determined, and it is defeated to carry out data to primary processor Go out control;
Control information is exported according to the data, gives corresponding data processor to send corresponding data output respectively and refers to It enables;
Output order based on the data controls corresponding board and carries out corresponding data output to protective device;
Relay protective scheme judgement is carried out according to the data received, and corresponding action status information is exported to corresponding plate Card;
The action status information is received, and it is sent to the primary processor, institute by corresponding data processor It states primary processor and is carried out output feedback again;
The action status information for receiving the primary processor feedback, generates corresponding test report.
Optionally, the criterion type includes one or more of digital data, analog data and network data.
Optionally, the action status information include one kind in switching value data, digital data and network data or It is several.
Optionally, the data output instruction, including:
According to required criterion type, automatic the output phase answers numerical value output order or control manually needed for criterion type action The output phase processed answers the numerical value output order needed for criterion type action.
Optionally, the method further includes:
It records time that the data output instruction is sent and the primary processor receives the action shape of feedback The time of state information.
The another aspect of the application provides a kind of system of direct current protecting Function detection, which is characterized in that the system Including:
Control unit determines required criterion type and threshold value, and to main process task for the protection type according to detection Device carries out data output control;It is additionally operable to receive the action status information of primary processor feedback, generates corresponding test report;
Primary processor gives corresponding data processor to send corresponding respectively for exporting control information according to the data Data output instruction;It is additionally operable to receive the action status information that data processor is sent, and it is single in the control to export feedback Member;
Data processor controls corresponding board and is carried out accordingly to protective device for output order based on the data Data output;It is additionally operable to receive the action status information that corresponding board is sent, and sends it to the primary processor;
Board, for carrying out corresponding data output to protective device;It is additionally operable to reception protective device and acts shape accordingly State information, and send it to corresponding data processor.
Optionally, the board includes switching value board, digital quantity board, analog quantity board and Communication Card, wherein
The switching value board is used to receive the switching value data returned after protective device action;
The digital quantity board is used to carry out protective device the output of digital data;It is dynamic to be additionally operable to reception protective device The digital data returned after work;
The analog quantity board is used to carry out protective device the output of analog data;
The Communication Card is used to carry out protective device the output of network data;It is additionally operable to after receiving protective device action The network data of return.
Optionally, the system also includes clock synchronization devices, for recording the time and institute that the data output instruction is sent State the time that primary processor receives the action status information of feedback.
Optionally, the digital quantity board includes the channel that can carry out 24 railway digital amount data output and input respectively.
Technical solution provided by the present application includes following advantageous effects:
A kind of direct current protecting function detecting method of the application offer and system, are directed to the detection method of existing direct current protecting The independent test of a certain special modality is compared, required for detection method provided by the present application can be determined according to different protection types Different Protection criterias and threshold value size after, carry out the output control of corresponding data, issue data output instruction to corresponding Data processor controls corresponding board and carries out corresponding data output to protective device, will accordingly be moved after protective device response Make information and feed back to corresponding board again, being sent to primary processor by corresponding data server carries out output feedback, according to anti- The action message of feedback generates examining report.A variety of or whole criterions needed for direct current protecting detection can be carried out simultaneously simultaneously Output substantially increases the efficiency of direct current protecting Function detection, and can receive the complete preservation information after direct current protecting action, right Direct current protecting function carries out the detection of efficiently and accurately, while method is easy to operate, is widely used, and has very high practicability.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor, Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of flow chart of direct current protecting function detecting method provided by the embodiments of the present application;
Fig. 2 is a kind of schematic diagram of direct current protecting function detecting system provided by the embodiments of the present application.
Specific implementation mode
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application Example, and the principle together with specification for explaining the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without having to pay creative labor, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of flow chart of direct current protecting function detecting method provided by the embodiments of the present application, referring to Fig. 1, the party Method includes the following steps:
S101:According to the protection type of detection, required criterion type and threshold value are determined, and to primary processor into line number It is controlled according to output.
Generally only have analog data as Protection criteria different from harmonics, when detection, only needs analog quantity channel, The criterion amount that direct current protecting usually requires has analog data, digital data and network data.Have not in direct current protecting device With defencive function type, different protection types, the analog data needed, digital data, network data type and Numerical values recited is all different, and it may be a kind of to protect the criterion of detection, it may be possible to several.Therefore it is filled first according to the protection of setting Set the protection type that need to be detected, determine protection detect required criterion type and can response action threshold definite value.
S102:Control information is exported according to data, gives corresponding data processor to send corresponding data output respectively and refers to It enables.
According to the information of output control, by the numerical value needed for determining corresponding criterion type and corresponding criterion type action Output order is sent respectively to corresponding data processor.
S103:Based on data output instruction, controls corresponding board and corresponding data output is carried out to protective device.
After data processor receives data output instruction, the output that corresponding board carries out data is controlled according to instruction.
S104:Relay protective scheme judgement is carried out according to the data received, and corresponding action status information is exported to phase The board answered.
Protective device carries out corresponding relay protective scheme judgement after receiving the data of corresponding board, will be moved accordingly after judgement It is returned to corresponding board as status information.
S105:Action status information is received, and it is sent to primary processor, main process task by corresponding data processor Device is carried out output feedback again.
After board receives the action status information of protective device return, corresponding data processor, phase are sent it to The data processor answered sends it to primary processor, and action status information output is fed back to control unit by primary processor.
S106:The action status information for receiving primary processor feedback, generates corresponding test report.
After the action status information for receiving primary processor feedback, according to test as a result, generating direct current protecting function Test report.It should be noted that when the action status information returned includes switching value data, digital data and network data When information, the defencive function of protective device is good.
When needing to carry out direct current protecting Function detection, the protection type of detection is set in a control unit first, according to guarantor It protects type and determines the criterion type needed and threshold value, and data output control information is sent out to primary processor, primary processor connects Data output control information is received, by determining corresponding criterion type and the movable numerical value output order of corresponding criterion type It is sent to corresponding data processor, after data processor receives output order, corresponding board is controlled and carries out the defeated of data Go out, after respective plate clamping receives output order, to protective device output data.It can be achieved to a variety of needed for direct current protecting detection Or whole criterions carry out data output simultaneously, the easy method of the full-featured detection of direct current protecting improves direct current protecting The efficiency of Site Detection, is widely used, can be highly practical.
Protective device carries out logic judgment after receiving data, and corresponding action status information is returned to corresponding board, Board sends it to corresponding data processor, and corresponding action status information is returned to primary processor by data processor again, Primary processor again feeds back action status information to control unit, and control unit generates phase according to action status information The test report answered is that can determine whether the defencive function of direct current protecting device according to the test report.It can be connect by different channels The complete protection information of direct current protecting device action is received, there is very high practicability, helps to improve the inspection of mainstream defencive function The efficiency and accuracy rate of survey.
Optionally, criterion type includes one or more of digital data, analog data and network data.
For different protection types, the criterion type needed is different, it may be necessary to one or more of criterions.Direct current protecting Required digital data generally comprises the DC voltage of DC fields, DC current data, while further including several states Information, such as the division state that switchs, straight-flow system is in monopole or the mode state of bipolar transmission waits for, these states Difference can generate the action logic of protection different influences.Analog data generally comprises the change of current and becomes relevant voltage and current Value.The break-make of network also has an impact protection, for example needs to acquire the operating status to station, to the DC current for Flow Line of standing erectly Etc. information, if these state acquisitions are less than protective device will produce alarm, and can change corresponding protection plan Slightly.
Optionally, action status information includes one or more of switching value data, digital data and network data.
The action status information that protective device returns includes one kind in switching value data, digital data and network data Or it is several, when switching value data, digital data and network data information return, show the protection work(of direct current protecting device It can be in good condition.
Optionally, data output instruction includes:
According to required criterion type, automatic the output phase answers numerical value output order or control manually needed for criterion type action The output phase processed answers the numerical value output order needed for criterion type action.
According to the criterion type needed for protection detection, can export automatically required for making the corresponding criterion type action of protective device Numerical value output order, with detect protective device whether response action.It, then can be with one if the threshold value of a certain criterion type is 30 The fixed automatic range values exported with 30 for the upper limit in interval, such as 0-30, to detect the action response of protective device;Or automatic output From 30 or less to 30 range above numerical value, such as 20-40 detect the action response state of protective device.The interval of values of output exists It is not restricted in the application, specifically, those skilled in the art can select according to actual conditions.
In the case of possible one kind, it can also manually control the output phase according to protection type and answer needed for criterion type action Numerical value, such as threshold value of a certain criterion are 30, can be in primary processor, and the numerical value for artificially manually controlling output is stepped up from 10 To 30, the action response performance of check protection device keeps the output of action numerical value more flexible.
Optionally, which further includes:
Time and primary processor that record data output instruction is sent receive the time of the action status information of feedback. The time difference of protective device protection act, the flexibility of check protection device action response can be calculated.
Referring to FIG. 2, the figure shows a kind of schematic diagrames of direct current protecting function detecting system provided by the present application.
The another aspect of the application provides a kind of direct current protecting function detecting system, which includes:
Control unit determines required criterion type and threshold value, and to main process task for the protection type according to detection Device carries out data output control;It is additionally operable to receive the action status information of primary processor feedback, generates corresponding test report.
Primary processor gives corresponding data processor to send corresponding respectively for exporting control information according to the data Data output instruction;It is additionally operable to receive the action status information that data processor is sent, and exports feedback in control unit.
Data processor controls corresponding board and is carried out accordingly to protective device for output order based on the data Data output;It is additionally operable to receive the action status information that corresponding board is sent, and sends it to primary processor.
Board, for carrying out corresponding data output to protective device;It is additionally operable to reception protective device and acts shape accordingly State information, and send it to corresponding data processor.
Control unit carries out software realization and underlying programs design, control unit and the master of entire direct current protecting Function detection Processor connects, and input and output control is carried out to primary processor, can be run in conventional computer.Primary processor receives control The control output information of unit, and corresponding data processor is sent an instruction to, primary processor connects with data processor respectively It connects.Corresponding data processor is connected with corresponding board respectively, controls the output that corresponding board carries out protective device data, Board is connect with direct current protecting device.
Optionally, board includes switching value board, digital quantity board, analog quantity board and Communication Card.
Switching value board is used to receive the switching value data returned after protective device action.Switching value board generally comprises jump Lock order and action discharge state signal, the level signal of usually one 24V.
Digital quantity board is used to carry out protective device the output of digital data;It is additionally operable to after receiving protective device action The digital data of return.The digital data of return includes mainly the trip protection signal transmitted by optical fiber, controls class phase The actuating signal of pass, the action command etc. for issuing pole control system.
Analog quantity board is used to carry out protective device the output of analog quantity.Analog quantity board can export 12 road voltage letters Number, 12 road current signals, voltage signal 0-200V can be adjusted according to certain step-length, and current signal 0-20A can be according to one Fixed step-length is adjusted.
Communication Card is used to carry out protective device the output of network data;It is additionally operable to return after receiving protective device action Network data.Communication Card can carry out the network on off test of direct current protecting device, and the network data of return includes mainly The relevant action message of protection act, and the relevant action information etc. that uploads to operations staff backstage.
Optionally, which further includes clock synchronization device, the time for recording data output instruction transmission and primary processor Receive the time of the action status information of feedback.Clock synchronization device is connect with primary processor, is responsible for the clock synchronization of primary processor.
Optionally, digital quantity board includes the channel that can carry out 24 railway digital amount data output and input respectively.For mesh In the case of preceding common three sets of protective device redundant configurations, if 3 sets of protective devices are carried out while being detected, it is ensured that every A protective device can have the whole detection that at least eight digital quantity TCH test channel carries out defencive function.And each number Each data in amount channel can be carried out changing, can be to the voltage and current value sum number for the DC fields that digital data is transmitted The state of a control data that word amount channel is transmitted are modified, convenient for protecting required different channel information.
A kind of direct current protecting function detecting method of the application offer and system, are directed to the detection method of existing direct current protecting The independent test of a certain special modality is compared, required for detection method provided by the present application can be determined according to different protection types Different Protection criterias and threshold definite value size after, carry out the output control of corresponding data, issue data output instruction to corresponding Data processor, control corresponding board and corresponding data output carried out to protective device, will be corresponding after protective device response Action message feeds back to corresponding board again, and being sent to primary processor by corresponding data server carries out output feedback, according to The action message of feedback generates examining report.A variety of or whole criterions needed for direct current protecting detection can be carried out simultaneously simultaneously Output, and can receive direct current protecting action after complete preservation information, can to direct current protecting function carry out efficiently and accurately inspection It surveys, while method and system are easy to operate, are widely used, there is very high practicability.
It should be noted that such as the terms "include", "comprise" or its any other variant are intended to nonexcludability Include but also include not bright so that article or equipment including a series of elements include not only those elements The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including the element process, There is also other identical elements in method, article or equipment.
The above is only the specific implementation mode of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.

Claims (9)

1. a kind of direct current protecting function detecting method, which is characterized in that including:
According to the protection type of detection, required criterion type and threshold value are determined, and data output control is carried out to primary processor System;
Control information is exported according to the data, gives corresponding data processor to send corresponding data output instruction respectively;
Output order based on the data controls corresponding board and carries out corresponding data output to protective device;
Relay protective scheme judgement is carried out according to the data received, and corresponding action status information is exported to corresponding board;
The action status information is received, and it is sent to the primary processor, the master by corresponding data processor Processor is carried out output feedback again;
The action status information for receiving the primary processor feedback, generates corresponding test report.
2. according to the method described in claim 1, it is characterized in that, the criterion type includes digital data, analog quantity number According to one or more of with network data.
3. according to the method described in claim 1, it is characterized in that, the action status information includes switching value data, number Measure one or more of data and network data.
4. according to the method described in claim 1, it is characterized in that, the data output instruction includes:
According to required criterion type, automatic the output phase is answered numerical value output order needed for criterion type action or is manually controlled defeated Go out the numerical value output order needed for corresponding criterion type action.
5. according to the method described in claim 1, it is characterized in that, the method further includes:
It records time that the data output instruction is sent and the primary processor receives the action state letter of feedback The time of breath.
6. a kind of direct current protecting function detecting system, which is characterized in that the system comprises:
Control unit, for according to the protection type of detection, determining required criterion type and threshold value, and to primary processor into The output control of row data;It is additionally operable to receive the action status information of primary processor feedback, generates corresponding test report;
Primary processor gives corresponding data processor to send corresponding number respectively for exporting control information according to the data According to output order;It is additionally operable to receive the action status information that data processor is sent, and exports feedback in described control unit;
Data processor controls corresponding board and is counted accordingly to protective device for output order based on the data According to output;It is additionally operable to receive the action status information that corresponding board is sent, and sends it to the primary processor;
Board, for carrying out corresponding data output to protective device;It is additionally operable to receive the corresponding action state letter of protective device Breath, and send it to corresponding data processor.
7. system according to claim 6, which is characterized in that the board includes switching value board, digital quantity board, mould Analog quantity board and Communication Card, wherein
The switching value board is used to receive the switching value data returned after protective device action;
The digital quantity board is used to carry out protective device the output of digital data;It is additionally operable to after receiving protective device action The digital data of return;
The analog quantity board is used to carry out protective device the output of analog data;
The Communication Card is used to carry out protective device the output of network data;It is additionally operable to return after receiving protective device action Network data.
8. system according to claim 6, which is characterized in that the system also includes clock synchronization devices, for recording the number The time and the primary processor that are sent according to output order receive the time of the action status information of feedback.
9. system according to claim 7, which is characterized in that the digital quantity board includes that can carry out 24 railway digitals respectively Measure the channel of data output and input.
CN201810204626.2A 2018-03-13 2018-03-13 A kind of direct current protecting function detecting method and system Pending CN108508291A (en)

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Application publication date: 20180907