CN205429886U - Automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device - Google Patents
Automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device Download PDFInfo
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- CN205429886U CN205429886U CN201620219287.1U CN201620219287U CN205429886U CN 205429886 U CN205429886 U CN 205429886U CN 201620219287 U CN201620219287 U CN 201620219287U CN 205429886 U CN205429886 U CN 205429886U
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- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 7
- 238000012790 confirmation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- Y02T90/168—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
The utility model is suitable for an electric power system field provides an automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device, include the industrial computer and patrol and examine the operating equipment, patrol and examine the operating equipment include main control board, communication interface board and with the pilot lamp keypad. This device can improve maintainer's work efficiency, reduces fortune dimension work load, increases the equipment reliability, promotes electric wire netting regulation and control operation level, guarantees the operation of electric wire netting safety and stability.
Description
Technical field
This utility model belongs to field of power, particularly relates to a kind of substation relay protection definite value automatic detecting and checks and long-distance operating device.
Background technology
Protection definite value is the foundation of relay protection correct operation, and correctness and the adaptability of definite value have very important effect to the correct operation of relay protection and the safe operation of electrical network.
Development along with power system; the changes of operating modes of electrical network is the most frequent; for ensureing safe and stable, the reliability service of electrical network, the definite value of protective relaying device to be also adjusted correspondingly along with the change of the method for operation, is badly in need of remotely changing protection definite value.
But it is limited by relay protection at present and remotely operates double confirmation condition restriction so that remotely change can not be carried out；Protection definite value automatic Check is also the urgent need demand that electrical network is properly functioning simultaneously; according to State Grid Corporation of China's general operating standard requirement; specific aim inspection verification must be carried out for the protection definite value of equipment after newly putting into operation or overhauling, operation equipment is checked at least 2 times every year.These work at present rely on and manually carry out; workload is big, and it cannot be guaranteed that promptness and correctness, it is impossible to meet the needs of protection constant value remote operation; the most highly desirable protection definite value automatic Check that realizes, the technical scheme of solution protection constant value remote operation the second confirmation condition.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of substation relay protection definite value automatic detecting to check and long-distance operating device, and this device has very important effect to relay protection correct operation, safe operation.
This utility model adopts the following technical scheme that
nullDescribed substation relay protection definite value automatic detecting is checked and long-distance operating device includes industrial computer and patrols and examines operation equipment，Described operation equipment of patrolling and examining includes master control borad、Communication interface plate and with display lamp keypad，Described communication interface plate externally includes electric network interface、Optical network interface and B code interface，Internally include master control borad interface and network interconnection interface，Described communication interface plate is connected with described master control borad by described master control borad interface，Described communication interface plate is connected with described industrial computer by described network interconnection interface，Described master control borad is connected with described industrial computer also by serial ports，Described master control borad includes single-chip microcomputer，Described single-chip microcomputer is connected to the first conversion chip、Buzzer circuit、Two-way comparator、If non-linear optocoupler and main line relay circuit，Described two-way comparator is also associated with two-way optocoupler，Described single-chip microcomputer is additionally coupled to described communication interface plate and display lamp keypad，Described single-chip microcomputer is connected to described industrial computer by described first conversion chip.
Further, if described master control borad also includes main line signaling conversion circuit.
Further, in described communication interface plate, electric network interface and optical network interface all have multichannel, described communication interface plate also includes network exchange mechanical, electrical mouth transformator and network transformer, the described network switch is connected to described network interconnection interface by described network transformer, the described network switch is connected to described optical network interface, the described network switch is connected to described electric network interface, the described network switch and B code interface by described electricity mouth transformator and is additionally coupled to described master control borad interface.
The beneficial effects of the utility model are:
First, this device can promote staffing effectiveness, reduces maintenance work amount: conventional check after needs print ten hundreds of definite values checks item by item, and workload is huge；After automatic Check, it is not necessary to manual intervention, efficiency is substantially improved, and distant place change definite value is possibly realized, and will reduce the time that operation maintenance personnel is hurried back and forth back and forth in a large number；
Secondly; this device can improve promptness; enhancing equipment operational reliability: automatic Check replaces human at periodic intervals to check; the promptness that significant increase definite value is checked; avoid because of personnel lack a sense of responsibility, the mistake of the highest generation of professional skill; effectively enhance protection equipment reliability of operation, solve protection definite value status monitoring problem, create advantage for protection equipment state overhauling；
Finally, this device can promote grid operating monitoring level: after implementing automatic detecting, distant place change definite value is possibly realized, with the speed of switching of significant increase power system operating mode, and can guarantee that definite value can occur with the change of power system operating mode to change accordingly in time.
Accompanying drawing explanation
Fig. 1 is the overall network structure chart of this utility model device application scenarios；
Fig. 2 is the structure chart of this utility model device；
Fig. 3 is the structure chart of master control borad；
Fig. 4 is the structure chart of communication interface plate.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
In order to technical scheme described in the utility model is described, illustrate below by specific embodiment.
This device is applied on power system MMS network; as shown in Figure 1; the station level network switch 101, carry substation relay protection definite value automatic detecting on the described station level network switch including transformer station are checked and long-distance operating device 102, some protection devices 103, also include telecontrol communication machine 104 and control and monitor console 105.
This device obtains each protection device by MMS net and works as proparea definite value, and compares with deposited template definite value, and comparison result mails to remote monitoring center.If simultaneously Surveillance center issues the change order of certain protection device definite value, then this device obtains command information by MMS net packet capturing, and then detects the definite value alteration of this protection device, and the alteration detection information of protection definite value is sent to Surveillance center.The present embodiment device can realize automatic detecting, manually patrol and examine and timing patrol and examine.
Automatic detecting: cut district's instruction when long-range control and monitor console sends definite value by MMS net to protection device, this device captures cuts district's instruction accordingly, obtains area code；Protection device receive control and monitor console send cut district instruction after, it is achieved cut district；After cutting end of extent, this device reads definite value and the area code of protection by MMS, definite value and template matching is obtained corresponding area code, sees it is all identical with certain template, it is achieved once confirm；Then the area code that the area code in the order of crawl and MMS read is compared, it is achieved second time confirms；So confirm to realize distant place definite value automatic Check by double.When the matching result difference of double confirmations, the definite value exception display lamp that industrial computer controls to patrol and examine operation equipment by serial ports is bright, with the form of remote signalling, relevant information can be sent to background monitoring platform simultaneously.
Manually patrol and examine: use manually to patrol and examine can obtain the definite value at single interval in real time and carry out coupling and patrol and examine.The interval information of display in pointing device, device can get the IP address at this interval automatically according to full station configuration information, definite value inventory, each inventory quote the relevant informations such as path, then definite value and the area code of protection device in each interval is obtained by MMS net, after the definite value of the protection device under this interval all gets, can be by the definite value got and template matching, see that the template with that district matches, then by the area code of coupling and the area code comparison read, see the most identical, alarm is produced when difference, and it is bright to control to patrol and examine operation equipment definite value exception display lamp, relevant information can be sent to background monitoring platform with the form of remote signalling simultaneously.
Timing is patrolled and examined: after reaching the timing monitoring time set; this device can read definite value and the area code of protection automatically by MMS; and by definite value and the template matching set; see that the template with that district matches; can not alarm time the match is successful; seeing after the match is successful that the area code of coupling is the most identical with the area code of acquisition, identical then normal, difference then alerts；And it is bright to control to patrol and examine operation equipment definite value exception display lamp, with the form of remote signalling, relevant information can be sent to background monitoring platform simultaneously.Realize the timing automatic check of double confirmation.
For above-mentioned functions, with reference to Fig. 2-Fig. 4, the concrete structure of this device is as follows:
nullDescribed substation relay protection definite value automatic detecting is checked and long-distance operating device includes industrial computer 1 and patrols and examines operation equipment 2，Described operation equipment 2 of patrolling and examining includes master control borad 21、Communication interface plate 22 and with display lamp keypad 23，Described communication interface plate 22 externally includes electric network interface 221、Optical network interface 222 and B code interface 223，Internally include master control borad interface 224 and network interconnection interface 225，Described communication interface plate 22 is connected with described master control borad 21 by described master control borad interface 224，Described communication interface plate 22 is connected with described industrial computer 1 by described network interconnection interface 225，Described master control borad 21 is connected with described industrial computer 1 also by serial ports，Described master control borad 21 includes single-chip microcomputer 211，Described single-chip microcomputer 211 is connected to the first conversion chip 212、Buzzer circuit 213、Two-way comparator 214、If non-linear optocoupler 215 and main line relay circuit 216，Described two-way comparator 214 is also associated with two-way optocoupler 217，Described single-chip microcomputer 211 is additionally coupled to described communication interface plate 22 and display lamp keypad 23，Described single-chip microcomputer 211 is connected to described industrial computer 1 by described first conversion chip 212.State communication interface plate 22 described in it addition, and externally also include 485 serial ports 226.Described first conversion chip 212 is the chip of TTL interface RS 232 interface.
In the present embodiment, described industrial computer is generally PC or other control terminal, main offer human-computer interaction interface and some data and forward and process.Described operation equipment of patrolling and examining mainly is made up of communication interface plate, master control borad and display lamp keypad.Patrol and examine operation equipment and from network, receive various data and instruction by communication interface plate, then sent to industrial computer by network interconnection interface.After data are processed by industrial computer, control to patrol and examine that the display lamp of operation equipment is shinny goes out and whether Mel device is blown a whistle to wait and operated by serial ports according to result.
It is mutual that industrial computer and the network interconnection interface patrolled and examined between operation equipment mainly realize internal data；And industrial computer and the serial ports patrolled and examined between operation equipment, mainly realize the transmission of various control instruction.During hanging net operation, this device obtains external data by the electric network interface on communication interface plate, optical network interface and B code interface, then uploading to industrial computer by internal network interconnection interface, industrial computer passes through serial ports and master control borad communication after having processed, and controls display lamp etc..
In communication interface plate, wherein said electric network interface and optical network interface all have multichannel, electric network interface to be common RJ45 network interface, for connecing MMS net, carrying supervision lamp, optical network interface is reserved, optical module can be looked into, when hard pressing plate status monitoring, light B code pair.Described B code interface is divided into electricity B code interface and light B code interface, is respectively used to mouth when mouth, light B code pair during electricity B code pair, simultaneously can also PPS pair time；During it addition, described smooth B code interface can be additionally used in PPS pair.8 display lamps and 1 reset key is had on display lamp keypad；8 display lamps represent different conditions and the warning information etc. of plant running respectively.
In master control borad, described single-chip microcomputer is existing general single chip, and single-chip microcomputer receives external electrical B code signal and PPS signal by high speed two-way optocoupler, and sends communication interface plate to by the network interconnection interface of intraconnection, is then given to industrial computer；Single-chip microcomputer is connected by 232 serial ports industrial computers, it is achieved various controls；Single-chip microcomputer also controls and button and display lamp.
If it addition, described master control borad 21 also includes main line signaling conversion circuit.Described signaling conversion circuit includes the second change-over circuit 218 and the 3rd change-over circuit 219, and described 232 turn of 485 module of second change-over circuit, described 3rd change-over circuit is TTL RS 232 chip.Described signaling conversion circuit one end is connected to 485 external serial ports, and the other end, as the serial ports of master control borad, is connected to industrial computer.
Described communication interface plate 22 also includes the network switch 227, electricity mouth transformator 228 and network transformer 229, the described network switch 227 is connected to described network interconnection interface by described network transformer 229, the described network switch 227 is connected to described optical network interface 222, the described network switch 227 is connected to described electric network interface 221 by described electricity mouth transformator 228, and the described network switch 227 and B code interface 223 is additionally coupled to described master control borad interface.Modules is connected with master control borad by the network switch, and is connected with industrial computer by network transformer, it is achieved communication.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (4)
- null1. a substation relay protection definite value automatic detecting is checked and long-distance operating device，It is characterized in that，Described device includes industrial computer and patrols and examines operation equipment，Described operation equipment of patrolling and examining includes master control borad、Communication interface plate and with display lamp keypad，Described communication interface plate externally includes electric network interface、Optical network interface and B code interface，Internally include master control borad interface and network interconnection interface，Described communication interface plate is connected with described master control borad by described master control borad interface，Described communication interface plate is connected with described industrial computer by described network interconnection interface，Described master control borad is connected with described industrial computer also by serial ports，Described master control borad includes single-chip microcomputer，Described single-chip microcomputer is connected to the first conversion chip、Buzzer circuit、Two-way comparator、If non-linear optocoupler and main line relay circuit，Described two-way comparator is also associated with two-way optocoupler，Described single-chip microcomputer is additionally coupled to described communication interface plate and display lamp keypad，Described single-chip microcomputer is connected to described industrial computer by described first conversion chip.
- 2. substation relay protection definite value automatic detecting is checked and long-distance operating device as claimed in claim 1, it is characterised in that if described master control borad also includes main line signaling conversion circuit.
- 3. substation relay protection definite value automatic detecting is checked and long-distance operating device as claimed in claim 1, it is characterised in that described B code interface includes light B code interface and electricity B code interface, and described communication interface plate the most also includes 485 serial ports.
- 4. as described in any one of claim 1-3, substation relay protection definite value automatic detecting is checked and long-distance operating device, it is characterized in that, in described communication interface plate, electric network interface and optical network interface all have multichannel, described communication interface plate also includes the network switch, electricity mouth transformator and network transformer, the described network switch is connected to described network interconnection interface by described network transformer, the described network switch is connected to described optical network interface, the described network switch is connected to described electric network interface by described electricity mouth transformator, the described network switch and B code interface are additionally coupled to described master control borad interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219287.1U CN205429886U (en) | 2016-03-21 | 2016-03-21 | Automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219287.1U CN205429886U (en) | 2016-03-21 | 2016-03-21 | Automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device |
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| Publication Number | Publication Date |
|---|---|
| CN205429886U true CN205429886U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620219287.1U Expired - Fee Related CN205429886U (en) | 2016-03-21 | 2016-03-21 | Automatic the patrolling and examining of relay protection of transformer substation definite value is checked and remote operation device |
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| CN (1) | CN205429886U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254241A (en) * | 2018-11-15 | 2019-01-22 | 毛健 | A kind of relay protection test system and method |
| CN109541338A (en) * | 2018-10-24 | 2019-03-29 | 国网安徽省电力有限公司淮南供电公司 | A kind of definite value comparison device obtaining definite value parameter by relay protection device printing port |
| CN112398225A (en) * | 2020-11-12 | 2021-02-23 | 国网宁夏电力有限公司宁东供电公司 | Remote signaling monitoring method for secondary equipment of transformer substation |
-
2016
- 2016-03-21 CN CN201620219287.1U patent/CN205429886U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541338A (en) * | 2018-10-24 | 2019-03-29 | 国网安徽省电力有限公司淮南供电公司 | A kind of definite value comparison device obtaining definite value parameter by relay protection device printing port |
| CN109254241A (en) * | 2018-11-15 | 2019-01-22 | 毛健 | A kind of relay protection test system and method |
| CN112398225A (en) * | 2020-11-12 | 2021-02-23 | 国网宁夏电力有限公司宁东供电公司 | Remote signaling monitoring method for secondary equipment of transformer substation |
| CN112398225B (en) * | 2020-11-12 | 2023-02-28 | 国网宁夏电力有限公司宁东供电公司 | Remote signaling monitoring method for secondary equipment of transformer substation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Huiping Inventor after: Wang Youhuai Inventor after: Zhou Hubing Inventor after: Song Chi Inventor after: Chen Qianchen Inventor after: Shi Xugang Inventor before: Song Huiping Inventor before: Wang Youhuai Inventor before: Chen Qianchen Inventor before: Shen Feng |
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| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 |