CN107193682A - A kind of relay protection constant value data verification system - Google Patents
A kind of relay protection constant value data verification system Download PDFInfo
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- CN107193682A CN107193682A CN201710525122.6A CN201710525122A CN107193682A CN 107193682 A CN107193682 A CN 107193682A CN 201710525122 A CN201710525122 A CN 201710525122A CN 107193682 A CN107193682 A CN 107193682A
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- relay protection
- constant value
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
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Abstract
The present invention provides a kind of relay protection constant value data verification system, including for realizing the relay protection constant value data acquisition device of relay protection constant value collection and prestoring the distal end relay protection constant value verifying unit of relay protection constant value correction data and automatic Verification；Wherein, one end of relay protection constant value data acquisition device is connected with the printing parallel output serial ports or virtual printing Ethernet interface of any protective relaying device, and the other end is connected by data network with distal end relay protection constant value verifying unit.Implement the present invention, quickly the relay protection constant value after adjustment can be acquired and be verified automatically, and verification is accurate, error is low.
Description
Technical field
The present invention relates to technical field of relay protection, more particularly to a kind of relay protection constant value data verification system.
Background technology
With the development of network system, relay protection device is more and more so that relay protection setting value is uprushed.In addition, by
The equipment that puts into operation in power network is more to cause network system mode to change frequently, once network system mode or earth point change,
Then involved relay protection constant value need to be adjusted again, so as to cause field maintenance person frequently to check and perform.
However, the core one by one of live relay protection constant value generally uses manual type, by printing adjust at the scene after
Relay protection constant value simultaneously realizes verification with formal fixed value list, at least needs two people to coordinate, and the verification time is longer, particularly because of electricity
Net system change and need whole station or section modification definite value verification for up to several hours, therefore easily waste a large amount of manpower things
Power.Meanwhile, easily there is leakage item or wrong item in manual type scene audit process, such as a certain protection definite value is that " 0.399 Europe " may
Tuning error is " 0.339 Europe ", is difficult to find in verification.Even if in order to overcome above-mentioned manual type verification relay protection constant value
The defect of presence, using some online relay protection constant value Verification Technologies, protection is uploaded to by network by relay protection constant value
Shield and by protecting the fixed value list after reading with input to be checked, but the relay protection constant value checked not is finally true
, there is error and it is difficult to be found in the relay protection constant value recognized.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is there is provided a kind of relay protection constant value data verification system,
Quickly the relay protection constant value after adjustment can be acquired and be verified automatically, and verification is accurate, error is low.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of relay protection constant value data verification system,
Including for realizing the relay protection constant value data acquisition device of relay protection constant value collection and prestoring relay protection constant value pair
Than data and the distal end relay protection constant value verifying unit of automatic Verification；Wherein,
One end of the relay protection constant value data acquisition device and the printing parallel output serial ports of any protective relaying device or
Virtual printing Ethernet interface is connected, and the other end is connected by data network with the distal end relay protection constant value verifying unit.
Wherein, the relay protection constant value data acquisition device includes being used for the single-chip microcomputer of data processing, beaten for realizing
The Signal Pretreatment board of the Data acquisition and storage of impression table word and the asynchronous data communication plate for completing data forwarding
Card；Wherein,
The printing parallel output serial ports of one end of the Signal Pretreatment board and any protective relaying device is virtually beaten
Print Ethernet interface to be connected, the other end is connected with the first end of the single-chip microcomputer；
One end of the asynchronous data communication board passes through the data network and the distal end relay protection constant value verifying unit
It is connected, the other end is connected with the second end of the single-chip microcomputer.
Wherein, the relay protection constant value data acquisition device also includes the printing for being used to latch any protective relaying device
Parallel output serial ports or virtual printing Ethernet interface output data simultaneously ensure that the single-chip microcomputer reads correct data and latches board；
Wherein, the data latch board and are arranged between the Signal Pretreatment board and the single-chip microcomputer.
Wherein, the relay protection constant value data acquisition device also includes power supply board and answered for completing system electrification
House dog and the power monitoring board of position, crash reset and supply voltage exceptional reset；Wherein, the power supply board and the list
3rd end of piece machine is connected；The house dog and power monitoring board are connected with the 4th end of the single-chip microcomputer.
Wherein, 51 series monolithics for the model AT89C52 that the single-chip microcomputer is used.
Wherein, the Signal Pretreatment board by model 6N137 optocoupler, model 74HC245 buffer chip and
Its peripheral circuit is formed.
Wherein, the asynchronous data communication board by model MAX232 asynchronous communication interface chip and its peripheral circuit
Formed.
Wherein, the data latch board and formed by model 74HC573 dsp chip and its peripheral circuit.
Wherein, the house dog and power monitoring board are formed by model X5045 dsp chip and its peripheral circuit.
Implement the embodiment of the present invention, have the advantages that：
In embodiments of the present invention, because relay protection constant value data acquisition device is by connecting the printing of protective relaying device simultaneously
Row output serial ports or virtual printing Ethernet interface gather the relay protection device constant value of the protective relaying device, and with distal end relay
Prestore relay protection constant value correction data in protection definite value verifying unit and realize automatic Verification, so as to quickly to adjustment after
Relay protection constant value is acquired and verified automatically, and verification is accurate, error is low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These accompanying drawings obtain other accompanying drawings and still fall within scope of the invention.
Fig. 1 is the structural representation of relay protection constant value data verification system provided in an embodiment of the present invention；
Fig. 2 is a structural representation of relay protection value data harvester in Fig. 1；
Fig. 3 is another structural representation of relay protection value data harvester in Fig. 1.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
As shown in Figure 1 to Figure 3, be in the embodiment of the present invention there is provided a kind of relay protection constant value data verification system, bag
Include the relay protection constant value data acquisition device 1 for realizing relay protection constant value collection and prestore relay protection constant value contrast
The distal end relay protection constant value verifying unit 2 of data and automatic Verification；Wherein,
One end of relay protection constant value data acquisition device 1 and any protective relaying device（It is not shown）Printing parallel output string
Mouth or virtual printing Ethernet interface are connected, and the other end is connected by data network with distal end relay protection constant value verifying unit 2.
In embodiments of the present invention, relay protection constant value data acquisition device 1 is by connecting the printing of protective relaying device
Parallel output serial ports or virtual printing Ethernet interface gather the relay protection device constant value of the protective relaying device, and with distal end after
Relay protection constant value correction data is prestored in electric protection definite value verifying unit 2 and realizes automatic Verification, so as to quickly to adjustment
Relay protection constant value afterwards is acquired and verified automatically, and verification is accurate, error is low.
It should be noted that protection value data collector 1 is main to replace physical print machine by embedded system, realize
The collection and preservation of LPT data, such as data acquisition of print plot word and Electronic saving；Distal end relay protection constant value school
Device 2 may be mounted on the communication server with the distribution network address or for autonomous device, the distal end relay protection is determined
Value verifying unit 2 prestores relay protection constant value correction data, once receive the relay that protection value data collector 1 is sent
Start proofreading function immediately after protection is fixed, the relay protection constant value prestored correspondence is sent with protecting value data collector 1
Relay protection carries out intelligence check and correction one by one surely, if finding wrong definite value, immediately alarm；If check and correction is all correct,
Then show " correct " printed words.
Data network can be realized or connected by communication by wired communication mode connection
To realize.
In embodiments of the present invention, relay protection constant value data acquisition device 1 include for data processing single-chip microcomputer 11,
For the Signal Pretreatment board 12 of the Data acquisition and storage of realizing print plot word and for completing the different of data forwarding
Step data communication card 13；Wherein,
One end of Signal Pretreatment board 12 and the printing parallel output serial ports or virtual printing ether of any protective relaying device
Network interface is connected, and the other end is connected with the first end a1 of single-chip microcomputer 11；
One end of asynchronous data communication board 13 is connected by data network with distal end relay protection constant value verifying unit 2, another
End is connected with the second end a2 of single-chip microcomputer 11.
Further, relay protection constant value data acquisition device 1 also includes being used to latch any protective relaying device
Printing parallel output serial ports or virtual printing Ethernet interface output data simultaneously ensure that single-chip microcomputer 11 reads correct data and latches plate
Card 14；Wherein, data latch board 14 and are arranged between Signal Pretreatment board 12 and single-chip microcomputer 11.It is understood that number
Now it is connected according to board 14 is latched with the first end a1 of single-chip microcomputer 11.
Further, relay protection constant value data acquisition device 1 also includes power supply board 15 and for completing system
Electrification reset, the house dog of crash reset and supply voltage exceptional reset and power monitoring board 16；Wherein, power supply board 15 with
3rd end a3 of single-chip microcomputer 11 is connected；House dog and power monitoring board 16 are connected with the 4th end a4 of single-chip microcomputer 11.
In one embodiment, 51 series monolithics for the model AT89C52 that single-chip microcomputer 11 is used；Signal Pretreatment plate
Card 12 is formed by model 6N137 optocoupler, model 74HC245 buffer chip and its peripheral circuit；Asynchronous data communication
Board 13 is formed by model MAX232 asynchronous communication interface chip and its peripheral circuit；Data latch board 14 by model
74HC573 dsp chip and its peripheral circuit is formed；House dog and power monitoring board 16 by model X5045 dsp chip
And its peripheral circuit is formed.
Wherein, model AT89C52 51 series monolithics 11 include the RAM of 256 bytes, largely can be used as data
Receive buffering area, it is not necessary to extend out ram cell again.STROBE signals are as exterior interrupt 0, whenever under STROBE signals
Drop is along data when occurring, are represented in effective status, and CPU passes through P1 mouthfuls of reading gathered datas；CPU working frequency selection exists
22.1184MHz, to ensure the having sufficiently long interrupt routine response time；
Model 6N137 optocoupler, model 74HC245 buffer chip and its Signal Pretreatment board of peripheral circuit formation
12, it can realize and row buffering and Phototube Coupling are entered to the signal input and output of protective relaying device；
The data of model 74HC573 dsp chip and its peripheral circuit formation latch board 14, can latch relay protection dress
The output data put simultaneously ensures that single-chip microcomputer 11 is read correctly；
The asynchronous data communication board 13 of model MAX232 asynchronous communication interface chip and its peripheral circuit formation, can be complete
Into data forwarding；
Power supply board 15 is responsible for the power supply needed for each circuit-board card is provided；
The house dog of model X5045 dsp chip and its peripheral circuit formation and power monitoring board 16, can complete system
Electrification reset, crash reset and supply voltage exceptional reset.
Implement the embodiment of the present invention, have the advantages that：
In embodiments of the present invention, because relay protection constant value data acquisition device is by connecting the printing of protective relaying device simultaneously
Row output serial ports or virtual printing Ethernet interface gather the relay protection device constant value of the protective relaying device, and with distal end relay
Prestore relay protection constant value correction data in protection definite value verifying unit and realize automatic Verification, so as to quickly to adjustment after
Relay protection constant value is acquired and verified automatically, and it is low to verify accurate error.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (9)
1. a kind of relay protection constant value data verification system, it is characterised in that including for realizing relay protection constant value collection
Relay protection constant value data acquisition device and the distal end relay protection for prestoring relay protection constant value correction data and automatic Verification
Definite value verifying unit；Wherein,
One end of the relay protection constant value data acquisition device and the printing parallel output serial ports of any protective relaying device or
Virtual printing Ethernet interface is connected, and the other end is connected by data network with the distal end relay protection constant value verifying unit.
2. relay protection constant value data verification system as claimed in claim 1, it is characterised in that the relay protection constant value number
Include the signal of the single-chip microcomputer for data processing, the Data acquisition and storage for realizing print plot word according to harvester
Pre-process board and the asynchronous data communication board for completing data forwarding；Wherein,
The printing parallel output serial ports of one end of the Signal Pretreatment board and any protective relaying device is virtually beaten
Print Ethernet interface to be connected, the other end is connected with the first end of the single-chip microcomputer；
One end of the asynchronous data communication board passes through the data network and the distal end relay protection constant value verifying unit
It is connected, the other end is connected with the second end of the single-chip microcomputer.
3. relay protection constant value data verification system as claimed in claim 2, it is characterised in that the relay protection constant value number
Also include the printing parallel output serial ports or virtual printing Ethernet interface for being used to latch any protective relaying device according to harvester
Output data simultaneously ensures that the single-chip microcomputer reads correct data and latches board；Wherein, the data latch board and are arranged at institute
State between Signal Pretreatment board and the single-chip microcomputer.
4. relay protection constant value data verification system as claimed in claim 3, it is characterised in that the relay protection constant value number
Also include power supply board according to harvester and for completing system power-on reset, crash reset and supply voltage exceptional reset
House dog and power monitoring board；Wherein, the power supply board is connected with the 3rd end of the single-chip microcomputer；The house dog and electricity
Source monitoring board is connected with the 4th end of the single-chip microcomputer.
5. relay protection constant value data verification system as claimed in claim 4, it is characterised in that the type that the single-chip microcomputer is used
Number be AT89C52 51 series monolithics.
6. relay protection constant value data verification system as claimed in claim 5, it is characterised in that the Signal Pretreatment board
Formed by model 6N137 optocoupler, model 74HC245 buffer chip and its peripheral circuit.
7. relay protection constant value data verification system as claimed in claim 6, it is characterised in that the asynchronous data communication plate
Card is formed by model MAX232 asynchronous communication interface chip and its peripheral circuit.
8. relay protection constant value data verification system as claimed in claim 7, it is characterised in that the data latch board by
Model 74HC573 dsp chip and its peripheral circuit is formed.
9. relay protection constant value data verification system as claimed in claim 8, it is characterised in that the house dog and power supply prison
Formed depending on board by model X5045 dsp chip and its peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525122.6A CN107193682A (en) | 2017-06-30 | 2017-06-30 | A kind of relay protection constant value data verification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525122.6A CN107193682A (en) | 2017-06-30 | 2017-06-30 | A kind of relay protection constant value data verification system |
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| Publication Number | Publication Date |
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| CN107193682A true CN107193682A (en) | 2017-09-22 |
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ID=59880560
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| CN201710525122.6A Pending CN107193682A (en) | 2017-06-30 | 2017-06-30 | A kind of relay protection constant value data verification system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107727964A (en) * | 2017-10-11 | 2018-02-23 | 深圳供电局有限公司 | A kind of radio-type relay protection constant value list intelligently checks technical testing platform |
| CN109738717A (en) * | 2018-11-29 | 2019-05-10 | 国网安徽省电力有限公司检修分公司 | The method and system of smart substation equipment sampling verification based on continuity variance |
| CN110515567A (en) * | 2019-08-20 | 2019-11-29 | 深圳供电局有限公司 | A kind of protective relaying device and its definite value Method of printing |
| CN111146756A (en) * | 2019-12-12 | 2020-05-12 | 国网陕西省电力公司 | Protection constant value checking method and system |
| CN111384779A (en) * | 2020-03-17 | 2020-07-07 | 深圳供电局有限公司 | Extraction device and method of power grid fault recording graph |
| CN111626033A (en) * | 2020-05-22 | 2020-09-04 | 广东电网有限责任公司 | Method, device, equipment and medium for checking fixed value |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727964A (en) * | 2017-10-11 | 2018-02-23 | 深圳供电局有限公司 | A kind of radio-type relay protection constant value list intelligently checks technical testing platform |
| CN109738717A (en) * | 2018-11-29 | 2019-05-10 | 国网安徽省电力有限公司检修分公司 | The method and system of smart substation equipment sampling verification based on continuity variance |
| CN110515567A (en) * | 2019-08-20 | 2019-11-29 | 深圳供电局有限公司 | A kind of protective relaying device and its definite value Method of printing |
| CN111146756A (en) * | 2019-12-12 | 2020-05-12 | 国网陕西省电力公司 | Protection constant value checking method and system |
| CN111146756B (en) * | 2019-12-12 | 2022-06-17 | 国网陕西省电力公司 | Protection constant value checking method and system |
| CN111384779A (en) * | 2020-03-17 | 2020-07-07 | 深圳供电局有限公司 | Extraction device and method of power grid fault recording graph |
| CN111384779B (en) * | 2020-03-17 | 2023-06-09 | 深圳供电局有限公司 | Extraction device and method for power grid fault wave-recording diagram |
| CN111626033A (en) * | 2020-05-22 | 2020-09-04 | 广东电网有限责任公司 | Method, device, equipment and medium for checking fixed value |
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