CN108471106B - One kind is based on single mother partition mode of connection bus interval secondary anti-misoperation method and device - Google Patents
One kind is based on single mother partition mode of connection bus interval secondary anti-misoperation method and device Download PDFInfo
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- CN108471106B CN108471106B CN201810342020.5A CN201810342020A CN108471106B CN 108471106 B CN108471106 B CN 108471106B CN 201810342020 A CN201810342020 A CN 201810342020A CN 108471106 B CN108471106 B CN 108471106B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 49
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 206010021703 Indifference Diseases 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000011017 operating method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to a kind of bus interval secondary anti-misoperation method and device based on single mother partition mode of connection, acquire current protective device operating status in real time by monitoring system, pressing plate throwing moves back state and changes real-time measurement Value Data etc. of standing, judge via anti-misoperation method, operation is moved back to the throwing of the soft or hard pressing plate of secondary device in intelligent substation bus operating status conversion operation process and carries out feasibility assessment, and locking alarm can be carried out to the operation that security risk is anti-and is not inconsistent normally, ensure to protect the safety operation of equipment pressing plate, avoid empty circuit link pressing plate, inconsistent behavior is moved back in the throwing of defencive function pressing plate.
Description
Technical field
A kind of bus interval secondary anti-misoperation method the present invention relates to intelligent substation based on single mother partition mode of connection and
Device belongs to electric power O&M technical field.
Background technique
For the safe operation for guaranteeing substation, the equipment fault due to caused by maloperation and personal injury, substation are prevented
It is required provided with " five is anti-", and defines electrical anti-error management, operation, design and use principle in the form of regulation.Five anti-are
Finger prevent mistakenly entering into charged isolation region, prevent accidentally division breaker, prevent on-load division disconnecting link, anti-stop-band ground wire close disconnecting link,
It prevents from live connection of ground wire etc. five to prevent the operation of electric misoperation anti-error being one of transformer substation foundation application.It is former from " five is anti-"
Since then implementing, substation's error operation accident rate is substantially reduced, and has effectively controlled accident caused by operator makes mistakes.
Important node of the intelligent substation as national " smart grid " construction, widely promotes in electric system and answers
With intelligent substation inherits the anti-error technology of traditional conventional substation, more perfect for the anti-error system of operation of primary equipment.
In addition to operating primary equipment in the O&M upkeep operation of intelligent substation, it is also O&M upkeep operation that the pressing plate throwing of protective device, which is moved back,
In one of main safety measure, but be suitable for the anti-error basic overhead of the clamp operation of intelligent substation secondary protective device
White, especially once appearance is improper because protecting clamp operation bus protection malfunction occurs for the most important bus protection of substation
It will cause a wide range of power outages event.
Bus protection is arranged functional pressing plate, trip pressing plate, interval reception pressing plate, failure and opens into pressing plate etc., type sum number
Measure more, strongly professional, when field operation is easy to appear pressing plate miscarrying, security risk is thrown in leakage, and the pressing plate behaviour of bus protection
Certain operation order is followed, operation order mistake has the security risk for causing protection not moved.
Summary of the invention
The technical problem to be solved by the present invention is functional pressing plate, trip pressing plate, interval reception pressure is arranged in bus protection
Plate, failure are opened into pressing plate etc., and type and quantity are more, strongly professional, and when field operation is easy to appear pressing plate miscarrying, safety is thrown in leakage
Hidden danger, and the clamp operation of bus protection follows certain operation order, and operation order mistake has the peace for causing protection not moved
Full hidden danger.In order to solve the above technical problems, proposing a kind of anti-error side of bus interval secondary based on single mother partition mode of connection
Method and device.
One aspect of the present invention proposes one kind and is based on single mother partition mode of connection bus interval secondary anti-misoperation method,
A monitoring distant place, which is thrown, moves back whether pressing plate puts into；
Whether monitoring bus protection pressing plate puts into；
Monitoring voltage SV receives whether pressing plate puts into；
Monitoring branch interval receives whether pressing plate puts into；
Monitoring main transformer interval receives whether pressing plate puts into or exit；
Monitor branch mother disconnecting link whether coincidence；
Monitor main transformer mother disconnecting link whether coincidence；
Monitor mother mother I disconnecting link whether coincidence；
Monitor mother mother II disconnecting link whether coincidence；
Monitoring mother interval receives whether pressing plate puts into or exit；
Whether monitoring mother division pressing plate puts into；
Whether monitoring differential protection pressing plate puts into；
Whether monitoring branch protection trip pressing plate puts into or exits；
Whether monitoring main transformer protection trip pressing plate puts into or exits；
Whether monitoring mother protection interval trip pressing plate puts into or exits；
Whether monitoring mother trip protection pressing plate puts into or exits；
A monitoring distant place, which is thrown, moves back whether pressing plate exits；
Whether monitoring mother trip protection pressing plate exits；Whether monitoring main transformer protection trip pressing plate puts into or exits；
Whether monitoring branch protection trip pressing plate puts into or exits；
Whether monitoring bus differential protecting pressing plate exits；
Monitoring voltage interval receives whether pressing plate exits；Bus protection is monitored by bus protection difference current soft pressing plate
Whether difference current is more than setting value；
Bus protection alarm signal is obtained by bus protection alarm device；
Differential protection pressing plate enters investment state, needs the distant place throwing to move back pressing plate and is in investment state；
Branch protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the electricity
Pressure SV receives pressing plate, the branch interval receives pressing plate and is in investment state and the branch mother disconnecting link coincidence and the bus
The output valve of protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Main transformer protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the electricity
Pressure SV receives pressing plate, the main transformer interval receives pressing plate and is in investment state and the main transformer mother disconnecting link coincidence and the bus
The output valve of protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Mother protection interval trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate and institute
Stating voltage SV and receiving pressing plate to be in investment state and the output valve of the bus protection difference current soft pressing plate is 1 and the mother
Line protection alarm device does not issue alarm signal；Or the mother interval receives pressing plate and is in investment state, and the mother
Connection mother's I disconnecting link and the mother mother II disconnecting link are in coincidence state and/or mother division pressing plate is in investment state；
The mother trip protection pressing plate, the main transformer protection trip pressing plate and the branch protection trip pressing plate, which enter, to move back
Doing well, it is necessary to meet following condition: the distant place, which throws to move back pressing plate and be in, exits state, and the bus protection difference current is soft
The output valve of pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Bus differential protecting pressing plate, voltage spaces receive pressing plate, mother interval receive pressing plate, main transformer interval receive pressing plate and
Branch interval receives pressing plate, and into state is exited, it is necessary to meet following condition: mother trip protection pressing plate is in and exits state, master
Become trip protection pressing plate and be in and exits state and the branch protection trip pressing plate is in the state of exiting；
Wherein " pressing plate "=1 indicates that pressing plate is in investment state；" pressing plate "=0 indicates that pressing plate is in the state of exiting；" female knife
Lock "=1 indicates disconnecting link in coincidence；" bus protection alarm device "=0 indicates busbar protective device no alarm signal；
" distant place throw move back pressing plate "=1 indicates that other soft pressing plates system distant place that can be monitored is thrown and moved back；
" bus protection pressing plate "=1 indicates all kinds of defencive functions investment of bus protection；
" voltage SV receives pressing plate "=1 indicates that receiving the voltage that bus merging voltage is sent acquires data；
" branch interval receives pressing plate " or " main transformer interval receives pressing plate "=1, indicates between bus protection receiving branch or main transformer
Every the magnitude of current acquire data；" bus protection difference current soft pressing plate "=1, " bus protection alarm device "=0 indicate that bus is protected
Protect normal operation indifference stream no alarm；
" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current sampled data that mother interval is sent；
" mother division pressing plate "=1 indicates Busbar Protection split operation pressing plate investment.
One kind being based on single mother partition mode of connection bus interval secondary error-proof device, and the error-proof device includes:
For export a distant place throw move back pressing plate investment signal or exit signal a distant place throw move back pressing plate；
For exporting the bus protection pressing plate of bus protection pressing plate investment signal；
Pressing plate is received for the output voltage SV voltage SV for receiving pressing plate investment signal；
The branch interval reception pressing plate that pressing plate put into or exited signal is received for exporting branch interval；
The main transformer interval reception pressing plate that pressing plate put into or exited signal is received for exporting main transformer interval；
For monitor branch mother disconnecting link whether branch mother's disconnecting link pressing plate of coincidence；
For monitor main transformer mother disconnecting link whether main transformer mother's disconnecting link pressing plate of coincidence；
For monitor mother mother I disconnecting link whether mother mother's I disconnecting link pressing plate of coincidence；
For monitor mother mother II disconnecting link whether mother mother's II disconnecting link pressing plate of coincidence；
The mother interval reception pressing plate that pressing plate put into or exited signal is received for exporting mother interval；
Mother for exporting mother division pressing plate investment signal divides pressing plate；
For monitor bus protection difference current whether be more than setting value bus protection difference current soft pressing plate；
For obtaining the bus protection alarm device of bus protection alarm signal；
For exporting mother protection interval trip pressing plate investment or exiting the mother protection interval trip pressing plate of signal；
For exporting mother trip protection pressing plate investment or exiting the mother trip protection pressing plate of signal；
For exporting main transformer protection trip pressing plate investment or exiting the main transformer protection trip pressing plate of signal；
For exporting branch protection trip pressing plate investment or exiting the branch protection trip pressing plate of signal；
Further include: differential protection pressing plate, bus differential protecting pressing plate, voltage spaces receive pressing plate；
The error-proof device further include: first judgment module, the second judgment module, third judgment module, the 4th judge mould
Block, the 5th judgment module and the 6th judgment module；
The first judgment module is used to put into the differential protection when the output valve that pressing plate is moved back in distant place throwing is 1
Pressing plate；
Second judgment module is used to receive between pressing plate, the branch in the bus protection pressing plate, the voltage SV
Every receive pressing plate be in investment state and the branch mother disconnecting link coincidence and the bus protection difference current soft pressing plate it is defeated
Value is 1 out and the bus protection alarm device does not issue alarm signal and puts into the branch protection trip pressing plate；
The third judgment module is used to receive between pressing plate, the main transformer in the bus protection pressing plate, the voltage SV
Every receive pressing plate be in investment state and the main transformer mother disconnecting link coincidence and the bus protection difference current soft pressing plate it is defeated
Value is 1 out and the bus protection alarm device does not issue alarm signal and puts into the main transformer protection trip pressing plate；
4th judgment module, which is used to receive pressing plate in the bus protection pressing plate and the voltage SV, is in investment
The output valve of state and the bus protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm letter
Number；Or the mother interval receives pressing plate and is in investment state, and the mother mother I disconnecting link pressing plate and the mother II are female
Disconnecting link pressing plate is in coincidence state and/or the mother division pressing plate when be in investment state, puts between the mother protects
Every trip pressing plate；
Output valve, the bus protection difference current that 5th judgment module is used to move back the distant place throwing pressing plate are soft
The output valve of pressing plate and the output valve of the bus protection alarm device carry out AND operation and export output valve；Judge that mother is protected
Whether shield trip pressing plate, main transformer protection trip pressing plate and branch protection trip pressing plate exit: defeated when the 5th judgment module
When value is 1 out, mother trip protection pressing plate, main transformer protection trip pressing plate and the branch protection trip pressing plate are exited；
6th judgment module is used for the output valve of the mother trip protection pressing plate, main transformer protection tripping pressure
The output valve of plate, the output valve of the branch protection trip pressing plate carry out AND operation after first carrying out NOT operation again and export
Output valve；When the output valve of the 6th judgment module is 1, the bus differential protecting pressing plate, the voltage spaces are exited
Receive pressing plate, the mother interval receives pressing plate, the main transformer interval receives pressing plate and the branch interval receives pressing plate；
Wherein " pressing plate "=1 indicates that pressing plate is in investment state；" pressing plate "=0 indicates that pressing plate is in the state of exiting；" female knife
Lock "=1 indicates disconnecting link in coincidence；" bus protection alarm device "=0 indicates busbar protective device no alarm signal；
" distant place throw move back pressing plate "=1 indicates that other soft pressing plates system distant place that can be monitored is thrown and moved back；
" bus protection pressing plate "=1 indicates all kinds of defencive functions investment of bus protection；
" voltage SV receives pressing plate "=1 indicates that receiving the voltage that bus merging voltage is sent acquires data；
" branch interval receives pressing plate " or " main transformer interval receives pressing plate "=1, indicates between bus protection receiving branch or main transformer
Every the magnitude of current acquire data；
" bus protection difference current soft pressing plate "=1, " bus protection alarm device "=0 indicate bus protection normal operation
Indifference stream no alarm；
" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current sampled data that mother interval is sent；
" mother division pressing plate "=1 indicates Busbar Protection split operation pressing plate investment.Beneficial effects of the present invention
It is the intelligent level for being able to ascend the safe O&M operation of intelligent substation.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that bus alternate transport row operation bus protection equipment investment operating method judges block diagram；
Fig. 2 is that bus operation turns spare operation bus protection equipment and exits operating method and judge block diagram；
Fig. 3 is the schematic composition figure of error-proof device in the embodiment of the present invention；
Appended drawing reference in figure are as follows: 101 distant places, which are thrown, moves back pressing plate, and 102 bus protection pressing plates, 103 voltage SV receive pressing plate,
104 bus protection difference current soft pressing plates, 105 bus protection alarm device no alarms output, 106 branch intervals receive pressing plate or
Person's main transformer interval receives pressing plate, 107 branch mother's disconnecting link coincidence pressing plates, main transformer mother's disconnecting link coincidence pressing plate, and 108 mother mother's I disconnecting links close
Position pressing plate, 109 mother mother's II disconnecting link coincidence pressing plates, 110 mother intervals receive pressing plate, and 111 mothers divide pressing plate, 112 differential guarantors
Pressing plate, 113 branch protection trip pressing plates or main transformer protection trip pressing plate are protected, 114 mother protection interval trip pressing plates, 201 is main
Become trip protection pressing plate, 202 branch protection trip pressing plates, 203 mother trip protection pressing plates, branch protection trip pressing plate, main transformer
Trip protection pressing plate, 204 bus differential protecting pressing plates, voltage spaces receive pressing plate, mother interval receives pressing plate, main transformer interval connects
Receive pressing plate, branch interval receives pressing plate, 3 error-proof devices, 301 first judgment modules, 302 second judgment modules, the judgement of 303 thirds
Module, 304 the 4th judgment modules, 305 the 5th judgment modules.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Fig. 1 bus protection equipment investment operation judges block diagram is used in intelligent substation bus by cold standby and transports row operation
Operation it is secondary anti-error, Fig. 2 bus protection equipment exits operation judges block diagram, be used in intelligent substation bus by operation turn it is standby
With operation operation it is secondary anti-error.Judge that block diagram is made of a series of input signals, logic gate and output result, for inputting letter
Number pressing plate include a distant place throw move back soft pressing plate, bus protection soft pressing plate, voltage SV receive pressing plate, branch interval receive pressing plate, master
Changing distance receives pressing plate, mother interval receives pressing plate, status information, bus protection difference flow valuve, bus are moved back in mother division pressing plate throwing
Protection alarm device, branch mother's knife closing pressing plate, main transformer mother's knife closing pressing plate, mother mother's I knife closing pressing plate, mother mother's II knife close
The information of lock pressing plate.
Wherein " pressing plate "=1 indicates that pressing plate is in investment state, and " pressing plate "=0 indicates that pressing plate is in the state of exiting；" female knife
Closing pressing plate "=1 indicates disconnecting link in coincidence；" bus protection alarm device "=0 indicates busbar protective device no alarm signal.
" distant place throw move back pressing plate "=1 indicates that other soft pressing plates system distant place that can be monitored is thrown and moved back；
" bus protection pressing plate "=1 indicates all kinds of defencive functions investment of bus protection；
" voltage SV receives pressing plate "=1 indicates that receiving the voltage that bus merging voltage is sent acquires data；
" branch interval receives pressing plate " or " main transformer interval receives pressing plate "=1, indicates between bus protection receiving branch or main transformer
Every the magnitude of current acquire data, according to branch/main transformer quantity, there is corresponding multiple pressing plates.
" bus protection difference current soft pressing plate "=1, " bus protection alarm device "=0 indicate bus protection normal operation
Indifference stream no alarm.
" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current sampled data that mother interval is sent.
" mother division pressing plate "=1 indicates Busbar Protection split operation pressing plate investment.
Embodiment 1
The present embodiment provides one kind to be based on single mother partition mode of connection bus interval secondary anti-misoperation method,
A monitoring distant place, which is thrown, moves back whether pressing plate puts into；
Whether monitoring bus protection pressing plate puts into；
Monitoring voltage SV receives whether pressing plate puts into；
Monitoring branch interval receives whether pressing plate puts into；
Monitoring main transformer interval receives whether pressing plate puts into；
Monitor branch mother disconnecting link whether coincidence；
Monitor main transformer mother disconnecting link whether coincidence；
Monitor mother mother I disconnecting link whether coincidence；
Monitor mother mother II disconnecting link whether coincidence；
Monitoring mother interval receives whether pressing plate puts into；
Whether monitoring mother division pressing plate puts into；
Whether the difference current that bus protection is monitored by bus protection difference current soft pressing plate is more than setting value；
Bus protection alarm signal is obtained by bus protection alarm device；
Differential protection pressing plate enters investment state, needs the distant place throwing to move back pressing plate and is in investment state；
Branch protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the electricity
Pressure SV receives pressing plate, the branch interval receives pressing plate and is in investment state and the branch mother disconnecting link coincidence and the bus
The output valve of protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Main transformer protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the electricity
Pressure SV receives pressing plate, the main transformer interval receives pressing plate and is in investment state and the main transformer mother disconnecting link coincidence and the bus
The output valve of protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Mother protection interval trip pressing plate enters investment state, and it is necessary to meet following condition:
The bus protection pressing plate and the voltage SV receive that pressing plate is in investment state and the bus protection is differential
The output valve of electric current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；Or the mother interval connects
It receives pressing plate and is in investment state, and the mother mother I disconnecting link and the mother mother II disconnecting link are in coincidence state and/or institute
It states mother division pressing plate and is in investment state.
Further, a monitoring distant place, which is thrown, moves back whether pressing plate exits；
Whether monitoring mother trip protection pressing plate exits；
Whether monitoring main transformer protection trip pressing plate exits；
Whether monitoring branch protection trip pressing plate exits；
The mother trip protection pressing plate, the main transformer protection trip pressing plate and the branch protection trip pressing plate, which enter, to move back
Doing well, it is necessary to meet following condition: the distant place, which throws to move back pressing plate and be in, exits state, and the bus protection difference current is soft
The output valve of pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Bus differential protecting pressing plate, voltage spaces receive pressing plate, mother interval receive pressing plate, main transformer interval receive pressing plate and
Branch interval receives pressing plate, and into state is exited, it is necessary to meet following condition: mother trip protection pressing plate is in and exits state, master
Become trip protection pressing plate and be in and exits state and the branch protection trip pressing plate is in the state of exiting.
Fig. 1 is that bus protection equipment investment operating method judges block diagram, is transported and is gone by cold standby for intelligent substation bus
Operate the secondary anti-error of operation, Fig. 2 is that bus protection equipment exits operating method and judge block diagram, be used for intelligent substation bus by
Operation turns the secondary anti-error of standby operation operation.The present invention is made of a series of input signals, method door and output result, dashed box
In text, representation method door combination output result be 1 when, allow carry out operation, if method door output result be 0
When, operation is blocked.
Wherein investment pressing plate includes: that pressing plate 101, bus protection pressing plate 102 are moved back in distant place throwing, and voltage SV receives pressing plate 103, female
Line protects difference current soft pressing plate 104, busbar protective device no alarm module 105, and branch interval receives between pressing plate or main transformer
Every reception pressing plate 106, branch mother's disconnecting link coincidence pressing plate, main transformer mother's disconnecting link coincidence pressing plate 107, mother mother's I disconnecting link coincidence 108 is female
Join mother's II disconnecting link coincidence 109, mother interval receives pressing plate 110, and mother divides pressing plate 111, differential protection pressing plate 112, and branch is protected
Shield tripping investment pressing plate, main transformer protection tripping investment pressing plate 113, mother protection interval trip pressing plate 114.
Embodiment 2
The present embodiment provides one kind based on single mother partition mode of connection bus interval secondary error-proof device, the error-proof device
Include:
The distant place that pressing plate investment signal is moved back for exporting distant place throwing, which is thrown, moves back pressing plate；
For exporting the bus protection pressing plate of bus protection pressing plate investment signal；
Pressing plate investment signal voltage SV, which is received, for output voltage SV receives pressing plate；
The branch interval that pressing plate investment signal is received for exporting branch interval receives pressing plate；
The main transformer interval that pressing plate investment signal is received for exporting main transformer interval receives pressing plate；
For monitor branch mother disconnecting link whether branch mother's disconnecting link pressing plate of coincidence；
For monitor main transformer mother disconnecting link whether main transformer mother's disconnecting link pressing plate of coincidence；
For monitor mother mother I disconnecting link whether mother mother's I disconnecting link pressing plate of coincidence；
For monitor mother mother II disconnecting link whether mother mother's II disconnecting link pressing plate of coincidence；
The mother interval that pressing plate investment signal is received for exporting mother interval receives pressing plate；
Mother for exporting mother division pressing plate investment signal divides pressing plate；
For monitor bus protection difference current whether be more than setting value bus protection difference current soft pressing plate；
For obtaining the bus protection alarm device of bus protection alarm signal；
Differential protection pressing plate, branch protection trip pressing plate, main transformer protection trip pressing plate and mother protection interval trip pressing plate；
It further include first judgment module, the second judgment module, third judgment module and the 4th judgment module；
The first judgment module is used to put into the differential protection when the output valve that pressing plate is moved back in distant place throwing is 1
Pressing plate；
Second judgment module is used to receive between pressing plate, the branch in the bus protection pressing plate, the voltage SV
Every receive pressing plate be in investment state and the branch mother disconnecting link coincidence and the bus protection difference current soft pressing plate it is defeated
Value is 1 out and the bus protection alarm device does not issue alarm signal and puts into the branch protection trip pressing plate；
The third judgment module is used to receive between pressing plate, the main transformer in the bus protection pressing plate, the voltage SV
Every receive pressing plate be in investment state and the main transformer mother disconnecting link coincidence and the bus protection difference current soft pressing plate it is defeated
Value is 1 out and the bus protection alarm device does not issue alarm signal and puts into the main transformer protection trip pressing plate；
4th judgment module, which is used to receive pressing plate in the bus protection pressing plate and the voltage SV, is in investment
The output valve of state and the bus protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm letter
Number；Or the mother interval receives pressing plate and is in investment state, and the mother mother I disconnecting link pressing plate and the mother II are female
Disconnecting link pressing plate is in coincidence state and/or the mother division pressing plate when be in investment state, puts between the mother protects
Every trip pressing plate.
Further, the error-proof device includes:
For export a distant place throw move back pressing plate exit signal a distant place throw move back pressing plate；
The mother trip protection pressing plate of signal is exited for exporting mother trip protection pressing plate；
The main transformer protection trip pressing plate of signal is exited for exporting main transformer protection trip pressing plate；
The branch protection trip pressing plate of signal is exited for exporting branch protection trip pressing plate；
Mother trip protection pressing plate, main transformer protection trip pressing plate and branch protection trip pressing plate, bus differential protecting pressing plate,
Voltage spaces receive pressing plate, mother interval receives pressing plate, main transformer interval receives pressing plate and branch interval receives pressing plate；
It further include the 5th judgment module and the 6th judgment module；
5th judgment module is used to throw in the distant place the defeated of the output valve, bus protection difference current soft pressing plate for moving back pressing plate
Value and the output valve of the bus protection alarm device carry out AND operation and export output valve out；Judge mother trip protection pressure
Whether plate, main transformer protection trip pressing plate and branch protection trip pressing plate exit: when the output valve of the 4th judgment module is 1
When, exit the mother trip protection pressing plate, the main transformer protection trip pressing plate and the branch protection trip pressing plate；
6th judgment module is used for the output valve of the mother trip protection pressing plate, main transformer protection tripping pressure
The output valve of plate, the output valve of the branch protection trip pressing plate carry out AND operation after first carrying out NOT operation again and export
Output valve；When the output valve of the 6th judgment module is 1, the bus differential protecting pressing plate, the voltage spaces are exited
Receive pressing plate, the mother interval receives pressing plate, the main transformer interval receives pressing plate and the branch interval receives pressing plate.
According to Fig. 3, the error-proof device includes:
The distant place that pressing plate investment signal is moved back for exporting distant place throwing, which is thrown, moves back pressing plate；
For exporting the bus protection pressing plate of bus protection pressing plate investment signal；
Pressing plate investment signal voltage SV, which is received, for output voltage SV receives pressing plate；
The branch interval that pressing plate investment signal is received for exporting branch interval receives pressing plate；
The main transformer interval that pressing plate investment signal is received for exporting main transformer interval receives pressing plate；
For monitor branch mother disconnecting link whether branch mother's disconnecting link pressing plate of coincidence；
For monitor main transformer mother disconnecting link whether main transformer mother's disconnecting link pressing plate of coincidence；
For monitor mother mother I disconnecting link whether mother mother's I disconnecting link pressing plate of coincidence；
For monitor mother mother II disconnecting link whether mother mother's II disconnecting link pressing plate of coincidence；
The mother interval that pressing plate investment signal is received for exporting mother interval receives pressing plate；
Mother for exporting mother division pressing plate investment signal divides pressing plate；
For monitor bus protection difference current whether be more than setting value bus protection difference current soft pressing plate；
For obtaining the bus protection alarm device of bus protection alarm signal；
Differential protection pressing plate, branch protection trip pressing plate, main transformer protection trip pressing plate and mother protection interval trip pressing plate；
For export a distant place throw move back pressing plate exit signal a distant place throw move back pressing plate；
The mother trip protection pressing plate of signal is exited for exporting mother trip protection pressing plate；
The main transformer protection trip pressing plate of signal is exited for exporting main transformer protection trip pressing plate；
The branch protection trip pressing plate of signal is exited for exporting branch protection trip pressing plate；
Mother trip protection pressing plate, main transformer protection trip pressing plate and branch protection trip pressing plate, bus differential protecting pressing plate,
Voltage spaces receive pressing plate, mother interval receives pressing plate, main transformer interval receives pressing plate and branch interval receives pressing plate；
First judgment module 301, the second judgment module 302, third judgment module 303, the 4th judgment module 304 and the 5th
Judgment module 305.
The first judgment module 301 is used to the distant place throwing the output valve for moving back pressing plate as its output valve, judges difference
Whether dynamic protection pressing plate puts into, and when the output valve of the first judgment module 301 is 1, puts into the differential protection pressing plate；
Second judgment module 302 is used to receive pressing plate, the branch in the bus protection pressing plate, the voltage SV
Interval receives pressing plate and is in investment state and the branch mother disconnecting link coincidence and the bus protection difference current soft pressing plate
Output valve is 1 and the bus protection alarm device does not issue alarm signal and puts into the branch protection trip pressing plate；
The third judgment module 303 is used to receive pressing plate, the main transformer in the bus protection pressing plate, the voltage SV
Interval receives pressing plate and is in investment state and the main transformer mother disconnecting link coincidence and the bus protection difference current soft pressing plate
Output valve is 1 and the bus protection alarm device does not issue alarm signal and puts into the main transformer protection trip pressing plate；
4th judgment module 304 is used to the output valve of the bus protection pressing plate, the voltage SV receiving pressing plate
Output valve, the output valve of the bus protection difference current soft pressing plate and the bus protection alarm device carry out AND operation
Output valve afterwards receives output valve, the mother mother I disconnecting link and the mother mother II disconnecting link of pressing plate with the mother interval again
The output valve of pressing plate is received with the mother interval again for output valve after carrying out AND operation and the mother divides the defeated of pressing plate
After value carries out AND operation out then output valve carries out the progress AND operation of inclusive-OR operation output valve and exports output valve；Judgement is female
Whether connection protection interval trip pressing plate puts into: when the output valve of the 4th judgment module 304 is 1, putting into the mother and protects
Shield interval trip pressing plate.
5th judgment module 305 is used to the distant place throwing the output valve for moving back pressing plate, the bus protection difference stream ratio
AND operation is carried out compared with the output valve of the output valve of module and the busbar protective device no alarm module and exports output valve；Sentence
Whether disconnected mother trip protection pressing plate, main transformer protection trip pressing plate and branch protection trip pressing plate exit: when the 5th judgement
When the output valve of module 305 is 1, the mother trip protection pressing plate, the main transformer protection trip pressing plate and the branch are exited
Trip protection pressing plate；
6th judgment module 306 is used to jump the output valve of the mother trip protection pressing plate, the main transformer protection
The output valve of lock pressing plate, the branch protection trip pressing plate output valve carry out AND operation and export output valve；Judge that bus is poor
Dynamic protection pressing plate, voltage spaces receive pressing plate, mother interval receives pressing plate, main transformer interval receives pressing plate and branch interval receives pressure
Whether plate exits: when the output valve of the 5th judgment module 306 is 1, exiting the bus differential protecting pressing plate, the electricity
Pressure interval receives pressing plate, the mother interval receives pressing plate, the main transformer interval receives pressing plate and the branch interval receives pressure
Plate.
Methods and apparatus of the present invention is concise, understands that unambiguously easy to use, versatility is good.It can accurately detect
And judging the permission mode of operation of each pressing plate, anti-leak-stopping throws the maloperations such as miscarrying pressing plate, substantially increases the correct of clamp operation
Rate reduces protective relaying maloperation, tripping, effectively reduces the malfunction of electrical secondary system caused by human error, facilitates intelligent power transformation
Electrical secondary system of standing safe and stable operation；And the present invention is simple and practical, acquires current protective device fortune in real time by monitoring system
Row state, pressing plate throwing move back state and change real-time measurement Value Data etc. of standing, and judge via anti-misoperation method, to intelligent substation bus
The throwing of the soft or hard pressing plate of secondary device moves back operation and carries out feasibility assessment in operating status conversion operation process, and can pacify to having
The operation that full hidden danger is prevented and is not inconsistent normally carries out locking alarm, it is ensured that protection equipment pressing plate safety operation avoids empty circuit chain
Inconsistent behavior is moved back in road pressing plate, the throwing of defencive function pressing plate.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (2)
1. one kind is based on single mother partition mode of connection bus interval secondary anti-misoperation method, which is characterized in that
A monitoring distant place, which is thrown, moves back whether pressing plate puts into；
Whether monitoring bus protection pressing plate puts into；
Monitoring voltage SV receives whether pressing plate puts into；
Monitoring branch interval receives whether pressing plate puts into；
Monitoring main transformer interval receives whether pressing plate puts into or exit；
Monitor branch mother disconnecting link whether coincidence；
Monitor main transformer mother disconnecting link whether coincidence；
Monitor mother mother I disconnecting link whether coincidence；
Monitor mother mother II disconnecting link whether coincidence；
Monitoring mother interval receives whether pressing plate puts into or exit；
Whether monitoring mother division pressing plate puts into；
Whether monitoring differential protection pressing plate puts into；
Whether monitoring branch protection trip pressing plate puts into or exits；
Whether monitoring main transformer protection trip pressing plate puts into or exits；
Whether monitoring mother protection interval trip pressing plate puts into or exits；
Whether monitoring mother trip protection pressing plate puts into or exits；
A monitoring distant place, which is thrown, moves back whether pressing plate exits；
Whether monitoring mother trip protection pressing plate exits；Whether monitoring main transformer protection trip pressing plate puts into or exits；
Whether monitoring branch protection trip pressing plate puts into or exits；
Whether monitoring bus differential protecting pressing plate exits；
Monitoring voltage interval receives whether pressing plate exits；The differential of bus protection is monitored by bus protection difference current soft pressing plate
Whether electric current is more than setting value；
Bus protection alarm signal is obtained by bus protection alarm device；
Differential protection pressing plate enters investment state, needs the distant place throwing to move back pressing plate and is in investment state；
Branch protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the voltage SV
Receive pressing plate, the branch interval receives pressing plate and is in investment state and the branch mother disconnecting link coincidence and the bus protection
The output valve of difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Main transformer protection trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate, the voltage SV
Receive pressing plate, the main transformer interval receives pressing plate and is in investment state and the main transformer mother disconnecting link coincidence and the bus protection
The output valve of difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Mother protection interval trip pressing plate enters investment state, and it is necessary to meet following condition: the bus protection pressing plate and the electricity
It is 1 and bus guarantor that pressure SV, which receives pressing plate and is in investment state and the output valve of the bus protection difference current soft pressing plate,
Shield alarm device does not issue alarm signal；Or the mother interval receives pressing plate and is in investment state, and the mother I is female
Disconnecting link and the mother mother II disconnecting link are in coincidence state and/or mother division pressing plate is in investment state；
The mother trip protection pressing plate, the main transformer protection trip pressing plate and the branch protection trip pressing plate, which enter, exits shape
It is necessary to meet following condition for state: the distant place, which throws to move back pressing plate and be in, exits state, and the bus protection difference current soft pressing plate
Output valve be 1 and the bus protection alarm device do not issue alarm signal；
Bus differential protecting pressing plate, voltage spaces receive pressing plate, mother interval receives pressing plate, main transformer interval receives pressing plate and branch
Interval receives pressing plate, and into state is exited, it is necessary to meet following condition: mother trip protection pressing plate is in the state that exits, main transformer is protected
Shield trip pressing plate, which is in, exits state and the branch protection trip pressing plate is in the state of exiting；
Wherein " pressing plate "=1 indicates that pressing plate is in investment state；" pressing plate "=0 indicates that pressing plate is in the state of exiting；" female disconnecting link "=
1 indicates disconnecting link in coincidence；" bus protection alarm device "=0 indicates busbar protective device no alarm signal；
" distant place throw move back pressing plate "=1 indicates that other soft pressing plates system distant place that can be monitored is thrown and moved back；
" bus protection pressing plate "=1 indicates all kinds of defencive functions investment of bus protection；
" voltage SV receives pressing plate "=1 indicates that receiving the voltage that bus merging voltage is sent acquires data；
" branch interval receives pressing plate " or " main transformer interval receives pressing plate "=1, expression bus protection receiving branch or main transformer interval
The magnitude of current acquires data；" bus protection difference current soft pressing plate "=1, " bus protection alarm device "=0 indicate bus protection fortune
The normal indifference stream no alarm of row；
" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current sampled data that mother interval is sent；
" mother division pressing plate "=1 indicates Busbar Protection split operation pressing plate investment.
2. one kind is based on single mother partition mode of connection bus interval secondary error-proof device, which is characterized in that the error-proof device packet
It includes:
For export a distant place throw move back pressing plate investment signal or exit signal a distant place throw move back pressing plate；
For exporting the bus protection pressing plate of bus protection pressing plate investment signal；
Pressing plate is received for the output voltage SV voltage SV for receiving pressing plate investment signal；
The branch interval reception pressing plate that pressing plate put into or exited signal is received for exporting branch interval；
The main transformer interval reception pressing plate that pressing plate put into or exited signal is received for exporting main transformer interval；
For monitor branch mother disconnecting link whether branch mother's disconnecting link pressing plate of coincidence；
For monitor main transformer mother disconnecting link whether main transformer mother's disconnecting link pressing plate of coincidence；
For monitor mother mother I disconnecting link whether mother mother's I disconnecting link pressing plate of coincidence；
For monitor mother mother II disconnecting link whether mother mother's II disconnecting link pressing plate of coincidence；
The mother interval reception pressing plate that pressing plate put into or exited signal is received for exporting mother interval；
Mother for exporting mother division pressing plate investment signal divides pressing plate；
For monitor bus protection difference current whether be more than setting value bus protection difference current soft pressing plate；
For obtaining the bus protection alarm device of bus protection alarm signal；
For exporting mother protection interval trip pressing plate investment or exiting the mother protection interval trip pressing plate of signal；
For exporting mother trip protection pressing plate investment or exiting the mother trip protection pressing plate of signal；
For exporting main transformer protection trip pressing plate investment or exiting the main transformer protection trip pressing plate of signal；
For exporting branch protection trip pressing plate investment or exiting the branch protection trip pressing plate of signal；
Further include: differential protection pressing plate, bus differential protecting pressing plate, voltage spaces receive pressing plate；
The error-proof device further include: first judgment module, the second judgment module, third judgment module, the 4th judgment module,
Five judgment modules and the 6th judgment module；
The first judgment module is used to put into the differential protection pressing plate when the output valve that pressing plate is moved back in distant place throwing is 1；
Second judgment module is used to connect at the bus protection pressing plate, voltage SV reception pressing plate, the branch interval
Receive the output valve that pressing plate is in investment state and the branch mother disconnecting link coincidence and the bus protection difference current soft pressing plate
For 1 and the bus protection alarm device does not issue alarm signal and puts into the branch protection trip pressing plate；
The third judgment module is used to connect at the bus protection pressing plate, voltage SV reception pressing plate, the main transformer interval
Receive the output valve that pressing plate is in investment state and the main transformer mother disconnecting link coincidence and the bus protection difference current soft pressing plate
For 1 and the bus protection alarm device does not issue alarm signal and puts into the main transformer protection trip pressing plate；
4th judgment module, which is used to receive pressing plate in the bus protection pressing plate and the voltage SV, is in investment state
And the output valve of the bus protection difference current soft pressing plate is 1 and the bus protection alarm device does not issue alarm signal；
Or the mother interval receives pressing plate and is in investment state, and the mother mother I disconnecting link pressing plate and the mother mother II knife
Lock pressing plate is in coincidence state and/or the mother division pressing plate when being in investment state, puts into the mother protection interval
Trip pressing plate；
5th judgment module is used to throwing the distant place into output valve, the bus protection difference current soft pressing plate for moving back pressing plate
Output valve and the output valve of the bus protection alarm device carry out AND operation and exporting output valve；Judge that mother protection is jumped
Whether lock pressing plate, main transformer protection trip pressing plate and branch protection trip pressing plate exit: when the output valve of the 5th judgment module
When being 1, mother trip protection pressing plate, main transformer protection trip pressing plate and the branch protection trip pressing plate are exited；
6th judgment module is used for the output valve of the mother trip protection pressing plate, the main transformer protection trip pressing plate
Output valve, the output valve of the branch protection trip pressing plate carry out AND operation after first carrying out NOT operation again and export output
Value；When the output valve of the 6th judgment module is 1, the bus differential protecting pressing plate is exited, the voltage spaces receive
Pressing plate, the mother interval receive pressing plate, the main transformer interval receives pressing plate and the branch interval receives pressing plate；
Wherein " pressing plate "=1 indicates that pressing plate is in investment state；" pressing plate "=0 indicates that pressing plate is in the state of exiting；" female disconnecting link "=
1 indicates disconnecting link in coincidence；" bus protection alarm device "=0 indicates busbar protective device no alarm signal；
" distant place throw move back pressing plate "=1 indicates that other soft pressing plates system distant place that can be monitored is thrown and moved back；
" bus protection pressing plate "=1 indicates all kinds of defencive functions investment of bus protection；
" voltage SV receives pressing plate "=1 indicates that receiving the voltage that bus merging voltage is sent acquires data；
" branch interval receives pressing plate " or " main transformer interval receives pressing plate "=1, expression bus protection receiving branch or main transformer interval
The magnitude of current acquires data；
" bus protection difference current soft pressing plate "=1, " bus protection alarm device "=0 indicate bus protection normal operation indifference
Flow no alarm；
" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current sampled data that mother interval is sent；
" mother division pressing plate "=1 indicates Busbar Protection split operation pressing plate investment.
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| CN201810342020.5A CN108471106B (en) | 2018-04-17 | 2018-04-17 | One kind is based on single mother partition mode of connection bus interval secondary anti-misoperation method and device |
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| CN201810342020.5A CN108471106B (en) | 2018-04-17 | 2018-04-17 | One kind is based on single mother partition mode of connection bus interval secondary anti-misoperation method and device |
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