CN109450088A - Anti- school and monitoring method for fail safe system for transformer substation - Google Patents
Anti- school and monitoring method for fail safe system for transformer substation Download PDFInfo
- Publication number
- CN109450088A CN109450088A CN201811307186.XA CN201811307186A CN109450088A CN 109450088 A CN109450088 A CN 109450088A CN 201811307186 A CN201811307186 A CN 201811307186A CN 109450088 A CN109450088 A CN 109450088A
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- circuit
- school
- locking relay
- monitoring
- remote controlled
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 abstract 1
- 238000003745 diagnosis Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
-
- H02J13/0017—
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of anti-schools for fail safe system for transformer substation and monitoring method.Firstly, realizing the prefabricated function of monitoring based on five anti-circuits；Secondly, being realized using the technical program for the anti-school of five-preventing system and function for monitoring, accomplishes monitoring circuit operating status, can accomplish verify to whether five anti-circuits are connected, maintain easily personnel to device use and monitoring；Then according to the present invention in propose circuit theory, to present five anti-circuits currently encounter it is prefabricated it is unsuccessful diagnosis have realistic meaning.The method of the present invention has practical significance the anti-school in fail safe system for transformer substation circuit and monitoring data analysis.
Description
Technical field
The invention belongs to field of power systems, and the invention patent relates to fail safe system for transformer substation secondary circuit, substation's prisons
Control locking relay field.More particularly to five monitoring of anti-monitoring circuit and anti-school function.
Background technique
Currently, being frequently found prefabricated unsuccessful after dispatching prefabricated success frequent occurrence in substation.Dispatcher can not obtain
The remote control that whether locking relay in five-preventing system on earth is attracted and whether remote control circuit is really connected, and run at present known
Circuit locking relay only has a pair of of node to be used for control loop.It can not be practical for searching five anti-loop faults in work on the spot
It solves.It can not solve personnel on site is needed to switch to immediately to operate with regard to ground mode to encounter the situation, increase operation people
The danger coefficient of member, reduces the automatization level of operation.Anti- school and prison by a kind of new five-preventing system of the technical research
The above problem is aimed to solve the problem that depending on binode remote controlled locking relay.It can accomplish to monitor five anti-circuits in real time and anti-in time
School, it is innovative to introduce the five anti-lock safeties and operability for increasing operation on the spot.
Summary of the invention
To solve the above-mentioned problems of the prior art, the object of the present invention is to provide a kind of anti-schools of new five-preventing system
With monitoring binode remote controlled locking relay, can to remote control binodal point relay whether online (whether control loop being connected) into
Work is reminded if discovery relay is sent to monitoring client the problem of being not turned on remote control circuit in time in row real-time monitoring and anti-school
Personnel handle such problem in time.It is so very big that improve the reliability for dispatching prefabricated switch remote control.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of anti-school for fail safe system for transformer substation with
Monitoring method, five-preventing system are connected with anti-school and monitoring binode remote controlled locking relay；The anti-school and monitoring binode are distant
Controlling locking relay includes closing circuit, sub-gate circuit and comparison loop；The closing circuit include romote controlled locking after
Electric appliance, one end end conduct+VCC of remote controlled locking relay main coil, the other end of remote controlled locking relay main coil sequentially connect
It is connected to light emitting diode and CPU, the positive terminal of light emitting diode is connected with remote controlled locking relay, the cathode of light emitting diode
End is connected with the signal input part of CPU；Remote controlled locking relay is equipped with two pairs of auxiliary contact；It further include control loop and monitoring
Anti- school circuit；Two pairs of auxiliary contact of remote controlled locking relay are serially connected in control loop respectively and monitor in anti-school circuit；Control
Circuit is connect with shutting-brake control loop 33, monitors that anti-school circuit passes through 801 concatenations to (five-preventing system) protective device signal circuit
In；
The sub-gate circuit includes remote controlled locking relay, one end end conduct+VCC of remote controlled locking relay main coil, remote control
The other end of locking relay main coil has been sequentially connected with light emitting diode and CPU, and positive terminal and the remote control of light emitting diode are closed
Lock relay is connected, and the negative pole end of light emitting diode is connected with the signal input part of CPU；Remote controlled locking relay is equipped with two
To auxiliary contact；It further include control loop and the anti-school circuit of monitoring；Two pairs of auxiliary contact of remote controlled locking relay concatenate respectively
In control loop and monitor in anti-school circuit；Control loop monitors anti-school circuit by connecting with separating brake control loop 37
Circuit is by 801 concatenations into protective device signal circuit；
The comparison loop is equipped with signal input part and signal output end；The CPU of closing circuit and sub-gate circuit is connected to ground electricity
Position；The signal output end of the CPU of closing circuit and sub-gate circuit is connected with the signal input part of comparison loop, comparison loop
Signal output end be used to connect the background computer or other monitoring exchanges of five-preventing system；The end+the VCC of closing circuit and sub-gate circuit
It is connected with the positive terminal of five-preventing system；
Described method includes following steps:
Step 1: after the remote control Prefabricated block starting of five-preventing system, by the communication module of five-preventing system by prefabricated high level
The remote controlled locking relay being sent on five anti-circuit triggering closing circuits or sub-gate circuit, it is accordingly distant by high flat current lead-through
Control locking relay, remote controlled locking relay auxiliary contact movement conducting control loop and the anti-school circuit of monitoring；
Step 2: being connected according to remote controlled locking relay auxiliary contact, connects control loop, while remote controlled locking relay is another
Auxiliary contact are concatenated by the contact with the 801 of protective device observing and controlling and issue signal, and pass through high ordinary mail transmitting serial port
Data are to the monitoring needs for meeting backstage from the background；
Whether step 3: succeeding by the way that background computer real-time display is prefabricated at this time, and journal is to SOE message, with the remote control
The concatenated light emitting diode of locking relay can be simultaneously in operation scene instruction control loop (separating brake part or combined floodgate portion
Point) whether abnormal.
Further, for the control loop of closing circuit and sub-gate circuit, the unlock being provided with across auxiliary contact is matched
Part realizes the rapid solution that strides by configuring across unlocking part (realizing unlock equipped with Intelligent key) if occurring that situation can not be unlocked
Lock.
Herein described anti-school and monitoring arrangement also introduce local five-prevention operation, can be with if five-preventing system encounters problems
Unlock is realized by present apparatus Intelligent key on local backstage, and switch separating brake is carried out by remote control, closes a floodgate and improves five-preventing system
Operating reliability, guarantee personal safety.
The present invention is compared to the prior art compared with having following advantage:
The method of the present invention has the features such as easy to use, of simple structure and strong practicability, can monitor in real time to five anti-circuits
With anti-school and issue event message be uploaded to monitoring backstage, facilitate operation maintenance personnel debug in time progress next step behaviour
Make, improves the safe and stable operation of protective device reliability of operation and power grid.
Detailed description of the invention
Fig. 1 is anti-school and the monitoring binode remote controlled locking relay principle sketch of five-preventing system.
Fig. 2 is anti-school and the monitoring binode remote controlled locking relay logic diagram of five-preventing system.
Fig. 3 is anti-school and the monitoring binode remote controlled locking relay modularization principle figure of five-preventing system.
Fig. 4 is anti-school and the monitoring binode remote controlled locking relay circuit diagram of five-preventing system.
Fig. 5 is anti-school and the monitoring binode remote controlled locking relay model of five-preventing system.
Fig. 6 is anti-school and the monitoring binode remote controlled locking relay closing circuit partial schematic diagram of five-preventing system.
Fig. 7 is anti-school and the monitoring binode remote controlled locking relay sub-gate circuit partial schematic diagram of five-preventing system.
Fig. 8 is anti-school and the monitoring binode remote controlled locking relay comparison loop partial schematic diagram of five-preventing system.
The work flow diagram of Fig. 9 the method for the invention.
Figure 10 device access operation of the present invention circuit (five-preventing system) specific location.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.Anti- play of electric system five prevents respectively
The effect of class personal injury accident can be simulated in advance using prefabrication system and guarantee the normal of operation order.To improve operation
The safety of person works' environment.
Remote controlled locking relay is first connected in the prefabricated high level that device is sent by serial ports by monitoring background computer, and should
Circuit seals in one group of light emitting diode, and conducting back light is bright, can be checked at the scene.If simultaneously relay there are problems also
High level can be directly sent out by serial ports is shorted circuit.Remote control circuit is connected.
Relay in coincidence circuit has one group of two group nodes to be used to be connected remote control circuit, and another group is used to provide rhabdion point
Main website background computer, which is sent to, for telemetered signal carries out prefabricated confirmation.Compared simultaneously by zero-pressure soft by communication loop transmission one
Message confirms prefabricated success simultaneously to main website, meets the monitoring needs on backstage.The device improves the operating reliability of five-preventing system,
Guarantee personal safety can in real time to five anti-circuits carry out monitoring with anti-school and issue event message be uploaded to monitoring backstage, side
Just operation maintenance personnel's fault location and debugging carry out next step operation, improve protective device reliability of operation with
And the safe and stable operation of power grid.
The comparison loop (using zero-pressure comparison method, Fig. 8) include eight PNP type triode T1, T2, T3, T4, T5, T6,
T7, T8 and 4 diodes A1, A2, A3, A4；The base stage of T1 and the anode of A1 are inputted collectively as the signal of comparison circuit
End；The emitter of T1 is connected with the base stage of the cathode of A1, the cathode of A2 and T2, and the anode of A2 is connected with the anode of A3,
The cathode of A3 is connected with the emitter of T6；The collector of T2 is connected with the emitter of T4, the collector of T3 and the current collection of T5
Pole is connected, and the collector of T3 is connected with the base stage of T7, and the base stage of T3 is connected with the cathode of A4, the anode of A4 and T6's
Base earth, the collector of T4, the emitter of T5, T7 emitter be connected jointly with the emitter of T8, collector, the T6 of T1
Grounded collector, the emitter of T2, the emitter of T3, the collector of T7 and T8 base stage be connected and conduct+VCC simultaneously
End, signal output end of the collector of T8 as comparison circuit.
The invention patent is designed exclusively for the monitoring of fail safe system for transformer substation secondary circuit and anti-school function, is had and is used
Conveniently, the features such as of simple structure and strong practicability, five anti-circuit on-off can be carried out to monitoring and anti-school and issue alarm signal
It is uploaded to monitoring backstage, facilitates operation maintenance personnel to debug in time, improves protective device reliability of operation and electricity
The safe and stable operation of net.
Claims (3)
1. anti-school and monitoring method for fail safe system for transformer substation, which is characterized in that five-preventing system is connected with anti-school and monitoring
Binode remote controlled locking relay；The anti-school and monitoring binode remote controlled locking relay include closing circuit, sub-gate circuit
And comparison loop；The closing circuit includes a remote controlled locking relay, and one end of remote controlled locking relay main coil is made
For the end+VCC, the other end of remote controlled locking relay main coil has been sequentially connected with light emitting diode and CPU, and light emitting diode is just
Extremely it is connected with remote controlled locking relay, the negative pole end of light emitting diode is connected with the signal input part of CPU；Romote controlled locking
Relay is equipped with two pairs of auxiliary contact；It further include control loop and the anti-school circuit of monitoring；Two pairs of auxiliary of remote controlled locking relay
Contact is serially connected in control loop respectively and monitors in anti-school circuit；Control loop is connect with shutting-brake control loop 33, monitors anti-school
Circuit is by 801 concatenations into protective device signal circuit；
The sub-gate circuit includes remote controlled locking relay, one end end conduct+VCC of remote controlled locking relay main coil, remote control
The other end of locking relay main coil has been sequentially connected with light emitting diode and CPU, and positive terminal and the remote control of light emitting diode are closed
Lock relay is connected, and the negative pole end of light emitting diode is connected with the signal input part of CPU；Remote controlled locking relay is equipped with two
To auxiliary contact；It further include control loop and the anti-school circuit of monitoring；Two pairs of auxiliary contact of remote controlled locking relay concatenate respectively
In control loop and monitor in anti-school circuit；Control loop monitors anti-school circuit by connecting with separating brake control loop 37
Through 801 concatenations into protective device signal circuit；
The comparison loop is equipped with signal input part and signal output end；The CPU of closing circuit and sub-gate circuit is connected to ground electricity
Position；The signal output end of the CPU of closing circuit and sub-gate circuit is connected with the signal input part of comparison loop, comparison loop
Signal output end be used to connect the background computer or other monitoring exchanges of five-preventing system；The end+the VCC of closing circuit and sub-gate circuit
It is connected with the positive terminal of five-preventing system；
Described method includes following steps:
Step 1: after the remote control Prefabricated block starting of five-preventing system, by the communication module of five-preventing system by prefabricated high level
The remote controlled locking relay being sent on five anti-circuit triggering closing circuits or sub-gate circuit, it is accordingly distant by high flat current lead-through
Control locking relay, remote controlled locking relay auxiliary contact movement conducting control loop and the anti-school circuit of monitoring；
Step 2: being connected according to remote controlled locking relay auxiliary contact, connects control loop, while remote controlled locking relay is another
Auxiliary contact are concatenated by the contact with the 801 of protective device observing and controlling and issue signal, and pass through high ordinary mail transmitting serial port
Data are to the monitoring needs for meeting backstage from the background；
Whether step 3: succeeding by the way that background computer real-time display is prefabricated at this time, and journal is to SOE message, with the remote control
Whether the concatenated light emitting diode of locking relay can abnormal in operation scene instruction control loop simultaneously.
2. as described in claim 1 for the anti-school of fail safe system for transformer substation and monitoring method, which is characterized in that for closing a floodgate
The control loop in circuit and sub-gate circuit is provided with the solution fitting for lock across auxiliary contact, if occurring that situation can not be unlocked, passes through
Configuration realizes the rapid unlock that strides across unlocking part.
3. as claimed in claim 1 or 2 for the anti-school of fail safe system for transformer substation and monitoring method, which is characterized in that described
Comparison loop includes eight PNP type triodes T1, T2, T3, T4, T5, T6, T7, T8 and 4 diodes A1, A2, A3, A4；
The base stage of T1 and the positive signal input part collectively as comparison circuit of A1；The cathode of the cathode of the emitter of T1 and A1, A2
And the base stage of T2 is connected, the anode of A2 is connected with the anode of A3, and the cathode of A3 is connected with the emitter of T6；The collection of T2
Electrode is connected with the emitter of T4, and the collector of T3 is connected with the collector of T5, and the collector of T3 is connected with the base stage of T7
It connects, the base stage of T3 is connected with the cathode of A4, the anode of A4 and the base earth of T6, the collector of T4, the emitter of T5, T7
Emitter be connected jointly with the emitter of T8, the grounded collector of the collector of T1, T6, the transmitting of the emitter, T3 of T2
The base stage of pole, the collector of T7 and T8 is connected and the end conduct+VCC simultaneously, signal of the collector of T8 as comparison circuit
Output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307186.XA CN109450088B (en) | 2018-11-05 | 2018-11-05 | Anti-calibration and monitoring method for transformer substation five-prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307186.XA CN109450088B (en) | 2018-11-05 | 2018-11-05 | Anti-calibration and monitoring method for transformer substation five-prevention system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109450088A true CN109450088A (en) | 2019-03-08 |
| CN109450088B CN109450088B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307186.XA Active CN109450088B (en) | 2018-11-05 | 2018-11-05 | Anti-calibration and monitoring method for transformer substation five-prevention system |
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| CN (1) | CN109450088B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437805A (en) * | 2021-08-04 | 2021-09-24 | 国网河南省电力公司南阳供电公司 | Station domain visualization anti-error early warning method based on secondary loop online monitoring |
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| CN207638405U (en) * | 2017-11-24 | 2018-07-20 | 湖北瑞百诚电气有限公司 | A kind of novel transformer substation romote controlled locking device |
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2018
- 2018-11-05 CN CN201811307186.XA patent/CN109450088B/en active Active
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| CN103840564A (en) * | 2014-04-01 | 2014-06-04 | 国家电网公司 | Remote control loop comprehensive misoperation-preventive locking device |
| CN203761138U (en) * | 2014-04-02 | 2014-08-06 | 国家电网公司 | Device for preventing maloperation in remote control of substation automatic measurement and control equipment |
| CN106712299A (en) * | 2017-01-24 | 2017-05-24 | 国网上海市电力公司 | Five-prevention system for intelligent substation |
| CN207638405U (en) * | 2017-11-24 | 2018-07-20 | 湖北瑞百诚电气有限公司 | A kind of novel transformer substation romote controlled locking device |
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| Title |
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| 张凯: "变电站微机防误闭锁系统应用研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437805A (en) * | 2021-08-04 | 2021-09-24 | 国网河南省电力公司南阳供电公司 | Station domain visualization anti-error early warning method based on secondary loop online monitoring |
| CN113437805B (en) * | 2021-08-04 | 2023-09-08 | 国网河南省电力公司南阳供电公司 | Station domain visual anti-misoperation early warning method based on secondary loop online monitoring |
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| CN109450088B (en) | 2022-03-29 |
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