CN107918349A - A kind of distribution network protection debugging apparatus and its method of work - Google Patents
A kind of distribution network protection debugging apparatus and its method of work Download PDFInfo
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- CN107918349A CN107918349A CN201711207973.2A CN201711207973A CN107918349A CN 107918349 A CN107918349 A CN 107918349A CN 201711207973 A CN201711207973 A CN 201711207973A CN 107918349 A CN107918349 A CN 107918349A
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- port
- separating brake
- floodgate
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- closing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13009—State machine instructions
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The present invention relates to a kind of distribution network protection debugging apparatus and its method of work.The present invention is with the distribution not power-failure protecting debugging apparatus of the cores in order to control of PLC S7 200; it is related to the debugging that do not have a power failure of the functions such as distribution prepared auto restart, remote control, remote signalling, and in particular to backup auto-activating device logic function is tested and each outgoing line interval remote signalling of ring main unit, distant control function are examined.Distribution network protection debugging apparatus of the present invention, by the use of PLC as core processing unit, can analog multichannel switch at the same time, meet the needs of various protective debuggings.
Description
Technical field
The present invention relates to a kind of distribution network protection debugging apparatus and its method of work, the technology for belonging to electrical power distribution automatization system is led
Domain.
Background technology
When exception, malfunction, tripping etc. occurs in distribution prepared auto restart (spare inlet wire automatic throw-in equipment abbreviation prepared auto restart) device
Phenomenon, ring main unit interval and power distribution automation main station period not to it is corresponding when examine the switch remote control of ring main unit interval, remote signalling work(
Energy and communication quality, above-mentioned series of tasks are required to after primary equipment is had a power failure to carry out.Primary equipment has a power failure, it is meant that supplies
The reduction of electric reliability, and the powered above-mentioned work of progress, then can increase secondary personnel's defect elimination difficulty, or even can not search failure.
Studying distribution, power-failure protecting debugging apparatus is not the feasible method for solving above-mentioned contradiction.But in the prior art also without correlation
Debugging apparatus in the case where not having a power failure, can realize the debugging of the functions such as backup auto-activating device, remote control, remote signalling.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of distribution network protection debugging apparatus.
The present invention also provides a kind of method of work of above-mentioned distribution network protection debugging apparatus.
Summary of the invention：
The present invention be with the distribution not power-failure protecting debugging apparatus of PLC S7-200 cores in order to control, be related to distribution it is standby from
The debugging that do not have a power failure of the functions such as throwing, remote control, remote signalling, and in particular to backup auto-activating device logic function is tested and each outlet of ring main unit
It is spaced remote signalling, distant control function is examined.
The technical scheme is that：
A kind of distribution network protection debugging apparatus, including four groups of analogue units being made of PLC and position relay；Every group of simulation
Unit includes input port and output port；The input port includes, combined floodgate port, separating brake port, public port, position shape
State feedback port.
Preferable according to the present invention, the input of the input port includes external protection and inputs, is manually entered and position shape
State is fed back；The external protection input includes, the remote control combined floodgate of backup auto-activating device or DTU, separating brake instruction；It is described to be manually entered bag
Include, closing by hand, separating brake instruction；The output of output port includes, the position of the switch information shown by LED.
The analog functuion of switch analogue unit includes：Remote control closes a floodgate, is remotely controlled separating brake, closing by hand, manual brake separating, position letter
Number, close position indicator light, divide position indicator light.The present apparatus receives the telecommand or manual command of external protection, simulates corresponding
Location status, and positional information is uploaded to external protective device, while carry out position display using LED light.
Preferable according to the present invention, first group of analogue unit includes combined floodgate port I0.4, separating brake port I0.5, location status
Feedback port I0.0 and output port Q0.0；Second group of analogue unit includes combined floodgate port I0.6, separating brake port I0.7, position shape
State feedback port I0.1 and output port Q0.1；3rd group of analogue unit includes combined floodgate port I1.0, separating brake port I1.1, position
Feedback of status port I0.2 and output port Q0.2；4th group of analogue unit includes combined floodgate port I1.2, separating brake port I1.3, position
Configuration state feedback port I0.3 and output port Q0.3；The public port of four groups of analogue units is L+ ports.
Preferable according to the present invention, the public port L+ is 24V+.
It is preferable according to the present invention, the model S7-200CPU224 of the PLC.
A kind of method of work of above-mentioned distribution network protection debugging apparatus, including step are as follows：
1) when external protection sends combined floodgate order, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC, which is received, to be closed
Lock order, realizes simulation of closing a floodgate, and keeps "on" position；
2) when external protection sends separating brake order, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC, which is received, to be divided
Lock order, realizes that separating brake is simulated, and keeps gate-dividing state；
3) during closing by hand, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC receives order of closing a floodgate, and realizes
Close a floodgate and simulate, and keep "on" position；
4) during manual brake separating, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC receives separating brake order, realizes
Separating brake is simulated, and keeps gate-dividing state；
5) when unit simulation "on" position, output port Q0.4 output 24V-, position relay coil motion, position after
The normally closed node conducting of electric appliance, exports closing position signal, combined floodgate indicator light is bright, and separating brake indicator light goes out.
Beneficial effects of the present invention are：
, can Multipexer at the same time by the use of PLC as core processing unit 1. distribution network protection debugging apparatus of the present invention
Switch, meets the needs of various protective debuggings；
2. distribution network protection debugging apparatus of the present invention, is realized in equipment normal operation, DTU remote control remote communication work(is examined
The reliability that energy, main website remote control remote communication function and main website communicate with DTU；Reduce the workload of operation maintenance personnel, improve work
Efficiency, saves manpower and time cost；
3. distribution network protection debugging apparatus of the present invention, is realized in equipment normal operation, backup auto-activating device logic is tested
Accuracy；Device volume is small, easy to operate, flexibly and easily.
Brief description of the drawings
Fig. 1 is the electrical block diagram of distribution network protection debugging apparatus of the present invention.
Embodiment
With reference to embodiment and Figure of description, the present invention will be further described, but not limited to this.
Embodiment 1
As shown in Figure 1.
A kind of distribution network protection debugging apparatus, including four groups of analogue units being made of PLC and position relay；Every group of simulation
Unit includes input port and output port；The input port includes, combined floodgate port, separating brake port, public port, position shape
State feedback port；
The input of the input port includes external protection and inputs, is manually entered and fed back with location status；The external guarantor
Shield input includes, the remote control combined floodgate of backup auto-activating device or DTU, separating brake instruction；It is described to be manually entered including closing by hand, separating brake
Instruction；The output of output port includes, the position of the switch information shown by LED.
The analog functuion of switch analogue unit includes：Remote control closes a floodgate, is remotely controlled separating brake, closing by hand, manual brake separating, position letter
Number, close position indicator light, divide position indicator light.The present apparatus receives the telecommand or manual command of external protection, simulates corresponding
Location status, and positional information is uploaded to external protective device, while carry out position display using LED light.
First group of analogue unit includes combined floodgate port I0.4, separating brake port I0.5, location status feedback port I0.0 and defeated
Exit port Q0.0；Second group of analogue unit include combined floodgate port I0.6, separating brake port I0.7, location status feedback port I0.1 and
Output port Q0.1；3rd group of analogue unit includes combined floodgate port I1.0, separating brake port I1.1, location status feedback port I0.2
With output port Q0.2；4th group of analogue unit includes combined floodgate port I1.2, separating brake port I1.3, location status feedback port
I0.3 and output port Q0.3；The public port of four groups of analogue units is L+ ports.The public port L+ is 24V+.It is described
The model S7-200CPU224 of PLC.
Embodiment 2
A kind of method of work of distribution network protection debugging apparatus as described in Example 1, including step are as follows：
1) when external protection sends combined floodgate order, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC, which is received, to be closed
Lock order, realizes simulation of closing a floodgate, and keeps "on" position；
2) when external protection sends separating brake order, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC, which is received, to be divided
Lock order, realizes that separating brake is simulated, and keeps gate-dividing state；
3) during closing by hand, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC receives order of closing a floodgate, and realizes
Close a floodgate and simulate, and keep "on" position；
4) during manual brake separating, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC receives separating brake order, realizes
Separating brake is simulated, and keeps gate-dividing state；
5) when unit simulation "on" position, output port Q0.4 output 24V-, position relay coil motion, position after
The normally closed node conducting of electric appliance, exports closing position signal, combined floodgate indicator light is bright, and separating brake indicator light goes out.
Claims (5)
1. a kind of distribution network protection debugging apparatus, it is characterised in that including four groups of simulation lists being made of PLC and position relay
Member；Every group of analogue unit includes input port and output port；The input port includes, combined floodgate port, separating brake port, public
Port, location status feedback port.
2. distribution network protection debugging apparatus according to claim 1, it is characterised in that the input of the input port includes outer
Protection input is connect, is manually entered and is fed back with location status；The external protection input includes, the remote control of backup auto-activating device or DTU
Close a floodgate, separating brake instruction；It is described to be manually entered including closing by hand, separating brake instruction；The output of output port includes, and is shown by LED
The position of the switch information shown.
3. distribution network protection debugging apparatus according to claim 1, it is characterised in that first group of analogue unit includes combined floodgate end
Mouth I0.4, separating brake port I0.5, location status feedback port I0.0 and output port Q0.0；Second group of analogue unit includes closing a floodgate
Port I0.6, separating brake port I0.7, location status feedback port I0.1 and output port Q0.1；3rd group of analogue unit includes closing
Lock port I1.0, separating brake port I1.1, location status feedback port I0.2 and output port Q0.2；4th group of analogue unit includes
Combined floodgate port I1.2, separating brake port I1.3, location status feedback port I0.3 and output port Q0.3；The public affairs of four groups of analogue units
Port is L+ ports altogether.
4. distribution network protection debugging apparatus according to claim 1, it is characterised in that the public port L+ is 24V+；Institute
State the model S7-200CPU224 of PLC.
A kind of 5. method of work of the distribution network protection debugging apparatus as described in claim 1-4 any one, it is characterised in that including
Step is as follows：
1) when external protection sends combined floodgate order, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC receives life of closing a floodgate
Order, realizes simulation of closing a floodgate, and keeps "on" position；
2) when external protection sends separating brake order, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC receives separating brake life
Order, realizes that separating brake is simulated, and keeps gate-dividing state；
3) during closing by hand, combined floodgate port I0.4 ports turn on positively charged with L+ ports, and PLC receives order of closing a floodgate, and realizes and closes a floodgate
Simulation, and keep "on" position；
4) during manual brake separating, separating brake port I0.5 ports turn on positively charged with L+ ports, and PLC receives separating brake order, realizes separating brake
Simulation, and keep gate-dividing state；
5) when unit simulation "on" position, output port Q0.4 output 24V-, position relay coil motion, position relay
Normally closed node conducting, export closing position signal, combined floodgate indicator light is bright, and separating brake indicator light goes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207973.2A CN107918349A (en) | 2017-11-27 | 2017-11-27 | A kind of distribution network protection debugging apparatus and its method of work |
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| CN201711207973.2A CN107918349A (en) | 2017-11-27 | 2017-11-27 | A kind of distribution network protection debugging apparatus and its method of work |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710952A (en) * | 2020-12-17 | 2021-04-27 | 贵州电网有限责任公司 | Intelligent switch debugging system and testing method thereof |
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| CN203881876U (en) * | 2014-06-11 | 2014-10-15 | 国家电网公司 | Modularized and integrated system for dynamic simulation and terminal detection of power distribution network |
| CN104297631A (en) * | 2014-09-28 | 2015-01-21 | 上海金智晟东电力科技有限公司 | Fault diagnosis device and diagnosis and maintenance method for ring main unit power distribution terminal |
| CN105353238A (en) * | 2016-01-06 | 2016-02-24 | 国网山东省电力公司日照供电公司 | Analog switch for 10kV boundary-type automatic terminal, and implementation method |
| CN205427110U (en) * | 2016-03-16 | 2016-08-03 | 东方电子股份有限公司 | Feeder trouble emulation test platform |
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- 2017-11-27 CN CN201711207973.2A patent/CN107918349A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN101430359A (en) * | 2008-12-12 | 2009-05-13 | 宁夏电力公司吴忠供电局 | Test switch simulation apparatus for automatic standby power switch equipment |
| CN103675554A (en) * | 2013-12-26 | 2014-03-26 | 国网河南省电力公司南阳供电公司 | Standby power source automatic switching device tester |
| CN203881876U (en) * | 2014-06-11 | 2014-10-15 | 国家电网公司 | Modularized and integrated system for dynamic simulation and terminal detection of power distribution network |
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| CN205427110U (en) * | 2016-03-16 | 2016-08-03 | 东方电子股份有限公司 | Feeder trouble emulation test platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112710952A (en) * | 2020-12-17 | 2021-04-27 | 贵州电网有限责任公司 | Intelligent switch debugging system and testing method thereof |
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Application publication date: 20180417 |