CN108512198A - One kind being used for supervisory control of substation plane line interval secondary anti-misoperation method and device - Google Patents
One kind being used for supervisory control of substation plane line interval secondary anti-misoperation method and device Download PDFInfo
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- CN108512198A CN108512198A CN201810342019.2A CN201810342019A CN108512198A CN 108512198 A CN108512198 A CN 108512198A CN 201810342019 A CN201810342019 A CN 201810342019A CN 108512198 A CN108512198 A CN 108512198A
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- pressing plate
- protection
- output valve
- bus
- monitoring
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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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
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- Supply And Distribution Of Alternating Current (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to a kind of secondary anti-misoperation methods of line segregation and device based on intelligent substation monitor supervision platform, for to 220KV circuit longitudinal differential protection equipment pressing plates, 220KV circuit longitudinals distance protection equipment pressing plate or 110KV line protective device pressing plates carry out secondary anti-false judgment, 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 of the intelligent substation in relation to circuit operating status and carries out feasibility assessment, and it can be to carrying out locking alarm with the operation that security risk is anti-and is not inconsistent normally, ensure to protect equipment pressing plate safety operation, avoid empty circuit link pressing plate, inconsistent behavior is moved back in the throwing of defencive function pressing plate.
Description
Technical field
The present invention relates to one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method and device, belongs to electric power fortune
Tie up technical field.
Background technology
At present transforming plant primary, secondary device Interlocking Methods be situ configuration, anit-misoperation rules are not unified, debugging
Verify heavy workload.In order to support a key sequence, key peace to arrange, the whole anti-error frame of substation's standardization of " two layers of three classes " is established
Structure system." two layers " refers to station level and wall standardization is anti-error, and " three classes " refer to that monitoring system is anti-error, measure and control device is anti-error and protect
Protection unit is anti-error.Based on observing and controlling, protection anti-misoperation locking, at the same it is mutually coordinated, independent of one another with the anti-error formation of monitoring system
Multi-level anti-error system, improve third generation intelligent substation anti mis-closedown function comprehensively, promotion prevents maloperation horizontal.
The secondary device anti-misoperation method of monitoring system, be based on relay protection operation principle, Operation of Electric Systems regulation and
Relay-protection pressing plate operation strategy, in conjunction with primary equipment operating process, the secondary device of formulation protects clamp operation anti-misoperation method,
Anti- leak-stopping throws the maloperations such as miscarrying pressing plate, reduces protective relaying maloperation, tripping.
Invention content
The technical problem to be solved by the present invention is to:The technical problem to be solved by the present invention is to:The secondary device of monitoring system
In anti-misoperation method, it is easy so that secondary device protects misoperation, in consideration of it, the present invention provides one kind controlling pressing plate
When operation, for determining whether that pressing plate is put into or exits, it is ensured that protection pressing plate safety operation avoids empty circuit link pressure
Inconsistent behavior is moved back in plate, the throwing of defencive function pressing plate.
The technical solution adopted by the present invention to solve the technical problems is:
One aspect of the present invention proposes one kind and being used for supervisory control of substation plane line interval secondary anti-misoperation method, is used for
It realizes to the secondary anti-error of 220KV circuit longitudinal differential protection equipment pressing plates, includes the following steps:A monitoring distant place, which is thrown, moves back pressing plate
Put into or exit state;Whether monitoring one pressing plate of optical-fibre channel puts into;Whether monitoring two pressing plate of optical-fibre channel puts into;Monitor distance
Whether protection pressing plate puts into;Whether monitoring zero-sequencedirectional protection pressing plate puts into;Whether monitoring longitudinal differential protection pressing plate puts into;Prison
Control voltage SV receives whether pressing plate puts into;Whether monitoring circuit trip protection pressing plate puts into;Monitoring circuit protects start failure protection pressure
Whether plate puts into;Whether monitoring circuit breaker position pressing plate puts into;Monitoring bus protection branch interval receives whether pressing plate puts into;It is logical
It crosses route protection software and hardware no alarm module and obtains route protection software and hardware warning information;Pass through the soft pressure of bus protection difference current
Whether board monitoring bus protection difference current is more than setting value;Bus protection alarm letter is obtained by bus protection alarm device
Number;A monitoring distant place, which is thrown, moves back whether pressing plate exits;Whether monitoring bus protection branch trip protection pressing plate exits;Monitor bus protection
Branch interval receives whether pressing plate exits;Monitoring bus protection branch failure is opened into whether pressing plate exits;Monitoring circuit protection is jumped
Whether lock pressing plate exits;Whether monitoring circuit protection reclosing pressing plate exits;Whether monitoring circuit protection start failure protection pressing plate moves back
Go out;
The longitudinal differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in throwing
Enter state and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;The distance
Protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, to move back pressing plate and is in input state;
The route protection trip pressing plate and the route protection start failure protection pressing plate, which enter input state, need to meet the following conditions:It is described
Distance protection pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive pressing plate and are in input
When state and the output valve of the route protection software and hardware no alarm signal are 1;Bus protection branch interval receives pressing plate and enters
Input state need to meet the following conditions:The route protection trip pressing plate, the route protection start failure protection pressing plate put into signal
It is in input state with circuit breaker position pressing plate;Bus protection branch trip protection pressing plate and bus protection branch failure open into
Pressing plate, which enters input state, need to meet the following conditions:The bus protection branch interval receives pressing plate and is in input state and described
The output valve of the soft pressing plate of bus protection difference current is 1 and the bus protection alarm device does not send out alarm signal;The mother
Line protection branch protection trip pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch failure open into
State is exited in pressing plate entrance need to meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the bus protection is differential
The output valve of the soft pressing plate of electric current is 1 and the bus protection alarm device does not send out alarm signal;The route protection tripping pressure
Plate, the line protection reclosure pressing plate and route protection start failure protection pressing plate entrance exit state and need to meet following item
Part::The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch
Road failure is opened is in the state of exiting into pressing plate;Route protection function pressing plate and route protection SV reception pressing plates, which enter, exits state
The following conditions need to be met:The route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start
Failure pressing plate is in the state of exiting.
The present invention also provides one kind being used for supervisory control of substation plane line interval secondary error-proof device, for realizing right
220KV circuit longitudinal differential protection equipment pressing plates it is secondary anti-error, the error-proof device includes:Pressing plate is moved back for exporting distant place throwing
Pressing plate is moved back in the distant place throwing for putting into or exiting signal;One pressing plate of optical-fibre channel whether put into for monitoring one pressing plate of optical-fibre channel;
Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;Whether put into for monitoring distance protection pressing plate
Distance protection pressing plate;The zero-sequencedirectional protection pressing plate whether put into for monitoring zero-sequencedirectional protection pressing plate;It is vertical for monitoring
The longitudinal differential protection pressing plate whether differential protection pressing plate puts into;The voltage SV whether pressing plate puts into is received for monitoring voltage SV
Receive pressing plate;The route protection trip pressing plate whether put into for monitoring circuit trip protection pressing plate;It is protected for monitoring circuit
The route protection start failure protection pressing plate whether start failure protection pressing plate puts into;It is disconnected for monitor whether circuit breaker position pressing plate put into
Road device position pressing plate;The bus protection branch interval reception pressure whether pressing plate puts into is received for monitoring bus protection branch interval
Plate;For monitor bus protection difference current whether be more than setting value the soft pressing plate of bus protection difference current;For obtaining mother
The bus protection alarm device of line protection alarm signal;Route protection for obtaining route protection software and hardware warning information is soft or hard
Part alarm device;The bus protection branch trip protection pressure whether exited for monitoring bus protection branch trip protection pressing plate
Plate;The bus protection branch interval reception pressing plate whether pressing plate exits is received for monitoring bus protection branch interval;For supervising
Control bus protection branch failure opens that the bus protection branch failure whether exited into pressing plate is opened into pressing plate;It is protected for monitoring circuit
The route protection trip pressing plate whether trip pressing plate exits;The circuit whether exited for monitoring circuit protection reclosing pressing plate is protected
Protect reclosing pressing plate;The route protection start failure protection pressing plate whether exited for monitoring circuit protection start failure protection pressing plate;Also wrap
It includes the first judgment module, the second judgment module, third judgment module, the 4th judgment module, the 5th judgment module, the 6th judge mould
Block, the 7th judgment module and the 8th judgment module;
First judgment module is used to throwing the distant place into the output valve for moving back pressing plate input signal and the optical-fibre channel
It is defeated after the output valve of one pressing plate input signal and the output valve progress inclusive-OR operation of two pressing plate of optical-fibre channel input signal
Go out value to carry out AND operation again and export output valve;When the output valve of first judgment module is 1, put into described vertical
Linked differential protection pressing plate;The output valve that second judgment module is used to move back the distant place throwing pressing plate input signal is defeated as its
Go out value, and then judge whether differential protection pressing plate puts into, when the output valve of first judgment module is 1, input distance is protected
Protect pressing plate and zero-sequencedirectional protection pressing plate;When the output valve of second judgment module is 1, the distance protection pressing plate is put into
With the zero-sequencedirectional protection pressing plate;The third judgment module is used to put into the distance protection pressing plate output of signal
Value, the zero-sequencedirectional protection pressing plate input signal output valve, the longitudinal differential protection pressing plate input signal output valve,
The output valve for the output valve and the route protection software and hardware no alarm module that the voltage SV receives pressing plate input signal carries out
AND operation simultaneously exports output valve;When the output valve of the third judgment module is 1, the route protection trip pressing plate is put into
With the route protection start failure protection pressing plate;4th judgment module is used to the route protection trip pressing plate putting into signal
Output valve, the route protection start failure protection pressing plate input signal output valve and the circuit breaker position pressing plate put into signal
Output valve carry out AND operation and exporting output valve;When the output valve of the 4th judgment module is 1, the busbar is put into
Branch interval is protected to receive pressing plate;5th judgment module is used to the bus protection branch interval receiving pressing plate input letter
Number output valve, the output valve of the output valve of the soft pressing plate of bus protection difference current and the bus protection alarm device into
Row AND operation simultaneously exports output valve;When the output valve of the 5th judgment module is 1, puts into the bus protection branch and protect
Shield trip pressing plate and the bus protection branch failure are opened into pressing plate;6th judgment module, which is used to throw in the distant place, moves back pressure
Plate exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current and the bus protection alarm device
Output valve carries out AND operation and exports output valve;When the output valve of the 6th judgment module is 1, exits the busbar and protect
Shield branch _ trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch failure is opened into pressure
Plate;7th judgment module is used to the bus protection branch _ trip protection pressing plate exiting the output valve of signal, the mother
Line protection branch _ interval reception pressing plate exits the output valve of signal and the bus protection branch failure is opened and exits signal into pressing plate
Output valve carry out AND operation and exporting output valve;When the output valve of the 7th judgment module is 1, the circuit is exited
Trip protection pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate;Described 8th judges mould
Block is used to the route protection trip pressing plate exiting the output valve of signal, the line protection reclosure pressing plate exits signal
The output valve that output valve and the route protection start failure protection pressing plate exit signal carries out AND operation and exports output valve;Work as institute
When the output valve for stating the 8th judgment module is 1, exits route protection function pressing plate and route protection SV receives pressing plate.
The present invention also provides one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method, for realizing right
220KV circuit longitudinal distance protection equipment pressing plates it is secondary anti-error, include the following steps:Monitoring a distant place throw move back pressing plate input or
Exit state;Whether monitoring one pressing plate of optical-fibre channel puts into;Whether monitoring two pressing plate of optical-fibre channel puts into;Monitor distance protection pressure
Whether plate puts into;
Whether monitoring zero-sequencedirectional protection pressing plate puts into;Monitoring voltage SV receives whether pressing plate puts into;Monitoring circuit is protected
Whether trip pressing plate puts into;Whether monitoring circuit protection start failure protection pressing plate puts into;Whether monitoring circuit breaker position pressing plate puts into;
Monitoring bus protection branch interval receives whether pressing plate puts into;Route protection is obtained by route protection software and hardware no alarm module
Software and hardware warning information;Monitor whether bus protection difference current is more than setting value by the soft pressing plate of bus protection difference current;
Bus protection alarm signal is obtained by bus protection alarm device;Whether monitoring longitudinal distance protection pressing plate puts into;Monitoring is female
Whether line protection branch protection trip pressing plate exits;Monitoring bus protection branch interval receives whether pressing plate exits;Monitor busbar
Protection branch failure is opened into whether pressing plate exits;Whether monitoring circuit trip protection pressing plate exits;Monitoring circuit protects reclosing
Whether pressing plate exits;Whether monitoring circuit protection start failure protection pressing plate exits;
The longitudinal distance protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in throwing
Enter state and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;The distance
Protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, to move back pressing plate and is in input state;
The route protection trip pressing plate and the route protection start failure protection pressing plate, which enter input state, need to meet the following conditions:It is described
Distance protection pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal distance protection pressing plate and voltage SV receive pressing plate and are in input
When state and the output valve of the route protection software and hardware no alarm signal are 1;Bus protection branch interval receives pressing plate and enters
Input state need to meet the following conditions:The route protection trip pressing plate, the route protection start failure protection pressing plate put into signal
It is in input state with circuit breaker position pressing plate;Bus protection branch trip protection pressing plate and bus protection branch failure open into
Pressing plate, which enters input state, need to meet the following conditions:The bus protection branch interval receives pressing plate and is in input state and described
The output valve of the soft pressing plate of bus protection difference current is 1 and the bus protection alarm device does not send out alarm signal;The mother
Line protection branch protection trip pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch failure open into
State is exited in pressing plate entrance need to meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the bus protection is differential
The output valve of the soft pressing plate of electric current is 1 and the bus protection alarm device does not send out alarm signal;The route protection tripping pressure
Plate, the line protection reclosure pressing plate and route protection start failure protection pressing plate entrance exit state and need to meet following item
Part:The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch
Road failure is opened is in the state of exiting into pressing plate;Route protection function pressing plate and route protection SV reception pressing plates, which enter, exits state
The following conditions need to be met:The route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start
Failure pressing plate is in the state of exiting.
The present invention also provides a kind of secondary wrong-mounting preventions for realizing to 220KV circuit longitudinal distance protection equipment pressing plates
It sets, the error-proof device includes:For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;For monitoring
One pressing plate of optical-fibre channel whether one pressing plate of optical-fibre channel puts into;It is logical for monitoring the optical fiber whether two pressing plate of optical-fibre channel puts into
Two pressing plate of road;The distance protection pressing plate whether put into for monitoring distance protection pressing plate;For monitoring zero-sequencedirectional protection pressing plate
The zero-sequencedirectional protection pressing plate whether put into;The longitudinal differential protection pressure whether put into for monitoring longitudinal distance protection pressing plate
Plate;The voltage SV whether pressing plate puts into, which is received, for monitoring voltage SV receives pressing plate;It is for monitoring circuit trip protection pressing plate
The route protection trip pressing plate of no input;The route protection whether put into for monitoring circuit protection start failure protection pressing plate starts mistake
Clever pressing plate;The circuit breaker position pressing plate whether put into for monitoring circuit breaker position pressing plate;For monitoring between bus protection branch
Pressing plate is received every receiving the bus protection branch interval whether pressing plate puts into;For monitor bus protection difference current whether be more than
The soft pressing plate of bus protection difference current of setting value;Bus protection alarm device for obtaining bus protection alarm signal;
Route protection software and hardware alarm device for obtaining route protection software and hardware warning information;It is protected for monitoring busbar
The bus protection branch trip protection pressing plate whether shield branch protection trip pressing plate exits;For monitoring bus protection branch interval
It receives the bus protection branch interval whether pressing plate exits and receives pressing plate;It is into pressing plate for monitoring bus protection branch failure and opening
The no bus protection branch failure exited is opened into pressing plate;The route protection whether exited for monitoring circuit trip protection pressing plate is jumped
Lock pressing plate;The line protection reclosure pressing plate whether exited for monitoring circuit protection reclosing pressing plate;It is protected for monitoring circuit
The route protection start failure protection pressing plate whether shield start failure protection pressing plate exits;Further include the 9th judgment module, the tenth judgment module,
11st judgment module, the 12nd judgment module, the 13rd judgment module, the 14th judgment module, the 15th judgment module and
16th judgment module;9th judgment module is used to throwing the distant place into the output valve for moving back pressing plate input signal and the light
The output valve of fine channel one pressing plate input signal and the output valve of two pressing plate of optical-fibre channel input signal carry out inclusive-OR operation
Output valve afterwards carries out AND operation and exports output valve again;When the output valve of the 9th judgment module is 1, described in input
The longitudinal distance protection pressing plate;Tenth judgment module, which is used to throw in the distant place, moves back the output valve work that pressing plate puts into signal
For its output valve, and then judge whether differential protection pressing plate puts into, when the output valve of first judgment module is 1, input
Distance protection pressing plate and zero-sequencedirectional protection pressing plate;When the output valve of the tenth judgment module is 1, puts into the distance and protect
Protect pressing plate and the zero-sequencedirectional protection pressing plate;11st judgment module is used to the distance protection pressing plate putting into signal
Output valve, the output valve of zero-sequencedirectional protection pressing plate input signal, longitudinal distance protection pressing plate input signal
Output valve, the voltage SV receive the output of the output valve and the route protection software and hardware no alarm module of pressing plate input signal
Value carries out AND operation and exports output valve;When the output valve of the 11st judgment module is 1, the route protection is put into
Trip pressing plate and the route protection start failure protection pressing plate;12nd judgment module is used to trip the route protection and press
Plate puts into the output valve of signal, the output valve of route protection start failure protection pressing plate input signal and the circuit breaker position pressure
The output valve of plate input signal carries out AND operation and exports output valve;When the output valve of the 12nd judgment module is 1,
It puts into the bus protection branch interval and receives pressing plate;13rd judgment module is used for the bus protection branch interval
Receive the output valve, the output valve of the soft pressing plate of bus protection difference current and bus protection alarm of pressing plate input signal
The output valve of device carries out AND operation and exports output valve;When the output valve of the 13rd judgment module is 1, institute is put into
It states bus protection branch trip protection pressing plate and the bus protection branch failure is opened the 14th judgment module described in pressing plate and used
It moves back pressing plate in throwing the distant place and exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current and described
The output valve of bus protection alarm device carries out AND operation and exports output valve;When the output valve of the 14th judgment module
When being 1, the bus protection branch _ trip protection pressing plate is exited, the bus protection branch interval receives pressing plate and the mother
Line protection branch failure is opened into pressing plate;15th judgment module is used for the bus protection branch _ trip protection pressing plate
Exit the output valve of signal, the bus protection branch _ interval receives pressing plate and exits the output valve of signal and the bus protection
Branch failure, which is opened, to be exited the output valve progress AND operation of signal into pressing plate and exports output valve;When the 15th judgment module
Output valve be 1 when, exit the route protection trip pressing plate, the line protection reclosure pressing plate and the route protection and open
Dynamic failure pressing plate;16th judgment module is used to exit the route protection trip pressing plate output valve, described of signal
Line protection reclosure pressing plate exits the output valve of signal and the route protection start failure protection pressing plate exits the output valve of signal
It carries out AND operation and exports output valve;When the output valve of the 16th judgment module is 1, route protection function pressure is exited
Plate and route protection SV receive pressing plate.
The present invention also provides one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method, for realizing right
110KV line protective device pressing plates are secondary anti-error, and a monitoring distant place throws the input for moving back pressing plate or exits state;Monitor optical-fibre channel one
Whether pressing plate puts into;Whether monitoring two pressing plate of optical-fibre channel puts into;Whether monitoring distance protection pressing plate puts into;Monitor zero sequence overcurrent
Whether protection pressing plate puts into;Whether monitoring longitudinal differential protection pressing plate puts into;Monitoring voltage SV receives whether pressing plate puts into;Monitoring
Whether route protection trip pressing plate puts into;Whether monitoring circuit protection start failure protection pressing plate puts into;Monitor circuit breaker position pressing plate
Whether put into;Monitoring bus protection branch interval receives whether pressing plate puts into;It is obtained by route protection software and hardware no alarm module
Take route protection software and hardware warning information;Monitor whether bus protection difference current surpasses by the soft pressing plate of bus protection difference current
Cross setting value;Bus protection alarm signal is obtained by bus protection alarm device;It monitors bus protection branch interval and receives pressure
Whether plate exits;Whether monitoring circuit trip protection pressing plate exits;Whether monitoring circuit protection reclosing pressing plate exits;It is described vertical
Linked differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place throwing moves back pressing plate and is in input state and the light
One pressing plate of fine channel and two pressing plate of the optical-fibre channel at least one be in input state;
The distance protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, to move back
Pressing plate is in input state;State is exited in the route protection trip pressing plate entrance need to meet the following conditions:The distance protection
Pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive pressing plate and are in input state and institute
When the output valve for stating route protection software and hardware no alarm signal is 1;The bus protection branch interval receives pressing plate and enters input
State need to meet the following conditions:The route protection trip pressing plate and the circuit breaker position pressing plate are in input state;Institute
The following conditions need to be met by stating bus protection branch trip protection pressing plate and entering input state:The bus protection branch interval receives
It is 1 and the bus protection alarm device that pressing plate, which is in input state and the output valve of the soft pressing plate of bus protection difference current,
Alarm signal is not sent out;The bus protection branch trip protection pressing plate and the bus protection branch interval receive pressing plate and enter
The state of exiting need to meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the soft pressure of bus protection difference current
The output valve of plate is 1 and the bus protection alarm device does not send out alarm signal;The route protection trip pressing plate and described
State is exited in the entrance of line protection reclosure pressing plate need to meet the following conditions:The bus protection branch trip protection pressing plate and institute
It states bus protection branch interval reception pressing plate and is in the state of exiting;The route protection function pressing plate and route protection voltage SV
State is exited in reception pressing plate entrance need to meet the following conditions:The route protection trip pressing plate and the line protection reclosure pressure
Plate is in the state of exiting.
The present invention also provides one kind being used for the secondary error-proof device of 110KV line protective device pressing plates, the error-proof device packet
It includes:For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;It is for monitoring one pressing plate of optical-fibre channel
One pressing plate of optical-fibre channel of no input;Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;For supervising
The distance protection pressing plate whether control distance protection pressing plate puts into;The zero sequence mistake whether put into for monitoring zero-sequencedirectional protection pressing plate
Stream protection pressing plate;The longitudinal differential protection pressing plate whether put into for monitoring longitudinal differential protection pressing plate;For monitoring voltage SV
It receives the voltage SV whether pressing plate puts into and receives pressing plate;The route protection whether put into for monitoring circuit trip protection pressing plate is jumped
Lock pressing plate;The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;It is disconnected for monitoring
The circuit breaker position pressing plate whether road device position pressing plate puts into;Receive whether pressing plate puts into for monitoring bus protection branch interval
Bus protection branch interval receive pressing plate;It is whether poor more than the bus protection of setting value for monitoring bus protection difference current
The soft pressing plate of streaming current;Bus protection alarm device for obtaining bus protection alarm signal;It is soft or hard for obtaining route protection
The route protection software and hardware alarm device of part warning information;Further include the 17th judgment module, the 18th judgment module, the 19th
Judgment module, the 20th judgment module, the 21st judgment module, the 22nd judgment module, the 23rd judgment module and
24th judgment module;
17th judgment module, which is used to throw in the distant place, to move back pressing plate and puts into the output valve of signal as its output valve,
And then judge whether distance protection pressing plate and zero-sequencedirectional protection pressing plate put into, when the output valve of the 17th judgment module is
When 1, the distance protection pressing plate and zero-sequencedirectional protection pressing plate are put into;18th judgment module is for throwing the distant place
The output valve for moving back pressing plate input signal and the output valve and the optical-fibre channel two of one pressing plate of optical-fibre channel input signal are pressed
The output valve that the output valve of plate input signal carries out after inclusive-OR operation carries out AND operation and exports output valve again;When the described tenth
When the output valve of eight judgment modules is 1, the longitudinal differential protection pressing plate is put into;19th judgment module is used for will be described
Distance protection pressing plate puts into the output valve of signal, the output valve, described vertical poor of zero-sequencedirectional protection pressing plate input signal
The output valve of dynamic protection pressing plate input signal, the output valve of voltage SV reception pressing plate input signals and the route protection are soft
The output valve of hardware no alarm module carries out AND operation and exports output valve;When the output valve of the 19th judgment module is
When 1, the route protection trip pressing plate is put into;20th judgment module is used to put into the route protection trip pressing plate
The output valve of signal and the output valve of circuit breaker position pressing plate input signal carry out AND operation and export output valve;Work as institute
When the output valve for stating the 20th judgment module is 1, puts into the bus protection branch interval and receive pressing plate;Described 21st sentences
Disconnected module is used to the bus protection branch interval receiving output valve, the bus protection difference current that pressing plate puts into signal
The output valve of soft pressing plate and the output valve of the bus protection alarm device carry out AND operation and export output valve;When described
When the output valve of 21 judgment modules is 1, the bus protection branch trip protection pressing plate is put into;Described 22nd judges
Module, which is used to distant place throwing moving back pressing plate, exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current
AND operation is carried out with the output valve of the bus protection alarm device and exports output valve;When the 22nd judgment module
Output valve when being 1, exit the bus protection branch trip protection pressing plate and the bus protection branch interval and receive pressing plate;
23rd judgment module is used to the bus protection branch trip protection pressing plate exiting the output valve of signal and described
Bus protection branch interval receives pressing plate and exits the output valve progress AND operation of signal and export output valve;When the described 20th
When the output valve of three judgment modules is 1, the route protection trip pressing plate and the line protection reclosure pressing plate are exited;It is described
24th judgment module is used to the route protection trip pressing plate exiting the output valve of signal and the route protection overlaps
The output valve that lock pressing plate exits signal carries out AND operation and exports output valve;When the output valve of the 24th judgment module
When being 1, exits route protection function pressing plate and route protection SV receives pressing plate.
The beneficial effects of the invention are as follows:Secondary device proposed by the present invention protects clamp operation anti-misoperation method, can be effective
Anti- leak-stopping throws the maloperations such as miscarrying pressing plate, reduces protective relaying maloperation, tripping.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that the pressing plate in the embodiment of the present invention 1 puts into condition judgment block diagram;
Fig. 2 is that the pressing plate exit criteria in the embodiment of the present invention 1 judges block diagram;
Fig. 3 is that the pressing plate in the embodiment of the present invention 2 puts into condition judgment block diagram;
Pressing plate exit criteria in Fig. 4 embodiment of the present invention 2 judges block diagram;
Pressing plate in Fig. 5 embodiment of the present invention 3 puts into condition judgment block diagram;
Pressing plate exit criteria in Fig. 6 embodiment of the present invention 3 judges block diagram;
Specific implementation mode
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 the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Embodiment
Fig. 1-Fig. 6 indicates that pressing plate throws the Rule of judgment moved back, is made of a series of input signals, logic gate and output result,
Wherein " pressing plate "=1 indicates that pressing plate is in input state, and " pressing plate "=0 indicates that pressing plate is in the state of exiting;Text in dashed box
Word allows the operation carried out when indicating that the output result of logic gate combination is 1, if method door output result is 0, operation
It is blocked." 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, indicate all kinds of defencive functions input of bus protection;" SV receives pressing plate "=1 indicates that receiving busbar merges what voltage was sent
Voltage gathered data;
" bus protection difference stream pressing plate "=1, " bus protection no alarm information "=1, indicate bus protection normal operation without
Difference stream no alarm;" mother interval receives pressing plate "=1 indicates that bus protection receives the magnitude of current hits that mother interval is sent
According to;The number that the expression of " bus protection branch interval receives pressing plate "=1 bus protection receives corresponding branch or main transformer interval is sent
According to;" bus protection branch trip protection pressing plate "=0 indicates that the corresponding branch of bus protection or main transformer spaced apart outlet are exiting shape
State;" bus protection branch interval receives pressing plate "=0 indicates that bus protection rejects corresponding branch or main transformer interval is sent
Data;" bus protection branch _ failure is opened into pressing plate "=0 indicates that bus protection rejects corresponding branch or main transformer interval
Failure open into;" route protection start failure protection pressing plate "=0 indicates that route protection no longer sends out the signal for opening failure.
Embodiment 1
According to Fig. 1 and Fig. 2, the present embodiment provides one kind being used for 220KV circuit longitudinal differential protection equipment pressing plates substation
The secondary anti-misoperation method of monitor supervision platform line segregation, secondary anti-misoperation method include pressing plate input and exit two kinds of situations;Fig. 1 shows sentence
Disconnected 220KV circuit longitudinal differential protection equipment pressing plates put into condition judgment block diagram, according to Fig. 1, judge that pressing plate input includes
Following steps:A monitoring distant place, which is thrown, moves back whether pressing plate puts into;Whether monitoring one pressing plate of optical-fibre channel puts into;Optical-fibre channel two is monitored to press
Whether plate puts into;Whether monitoring distance protection pressing plate puts into;Whether monitoring zero-sequencedirectional protection pressing plate puts into;Monitor longitudinal differential
Whether protection pressing plate puts into;Monitoring voltage SV receives whether pressing plate puts into;Whether monitoring circuit trip protection pressing plate puts into;Monitoring
Whether route protection start failure protection pressing plate puts into;Whether monitoring circuit breaker position pressing plate puts into;Monitor bus protection branch interval
Receive whether pressing plate puts into;Route protection software and hardware warning information is obtained by route protection software and hardware no alarm module;Pass through
Whether the soft pressing plate monitoring bus protection difference current of bus protection difference current is more than setting value;Pass through bus protection alarm device
Obtain bus protection alarm signal;
The longitudinal differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in throwing
Enter state and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;The distance
Protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, to move back pressing plate and is in input state;
The route protection trip pressing plate and the route protection start failure protection pressing plate, which enter input state, need to meet the following conditions:It is described
Distance protection pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive pressing plate and are in input
When state and the output valve of the route protection software and hardware no alarm signal are 1;Bus protection branch interval receives pressing plate and enters
Input state need to meet the following conditions:The route protection trip pressing plate, the route protection start failure protection pressing plate put into signal
It is in input state with circuit breaker position pressing plate;Bus protection branch trip protection pressing plate and bus protection branch failure open into
Pressing plate, which enters input state, need to meet the following conditions:The bus protection branch interval receives pressing plate and is in input state and described
The output valve of the soft pressing plate of bus protection difference current is 1 and the bus protection alarm device does not send out alarm signal.
Fig. 2 expressions judge that 220KV circuit longitudinal differential protection equipment pressing plate exit criterias judge block diagram, according to Fig.2,
Judge that pressing plate exits to include the following steps:
A monitoring distant place, which is thrown, moves back whether pressing plate exits;Whether monitoring bus protection branch trip protection pressing plate exits;Monitoring is female
Line protection branch interval receives whether pressing plate exits;Monitoring bus protection branch failure is opened into whether pressing plate exits;Monitoring circuit
Whether trip protection pressing plate exits;Whether monitoring circuit protection reclosing pressing plate exits;Monitoring circuit protects start failure protection pressing plate
Whether exit;The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the busbar
Protection branch failure is opened to enter into pressing plate and exits state and need to meet the following conditions:The distant place throw move back pressing plate be in the state that exits and
The output valve of the soft pressing plate of bus protection difference current is 1 and the bus protection alarm device does not send out alarm signal;Institute
It states route protection trip pressing plate, the line protection reclosure pressing plate and route protection start failure protection pressing plate entrance and exits shape
State need to meet the following conditions::The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and
The bus protection branch failure is opened is in the state of exiting into pressing plate;Route protection function pressing plate and route protection SV receive pressure
State is exited in plate entrance need to meet the following conditions:The route protection trip pressing plate, the line protection reclosure pressing plate and institute
It states route protection start failure protection pressing plate and is in the state of exiting.
The present embodiment also provides one kind and being used for the secondary error-proof device of 220KV circuit longitudinal differential protection equipment pressing plates, described
Error-proof device includes:For export a distant place throw move back pressing plate exit signal a distant place throw move back pressing plate;It is pressed for monitoring optical-fibre channel one
One pressing plate of optical-fibre channel whether plate puts into;Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;With
In the distance protection pressing plate whether monitoring distance protection pressing plate puts into;Zero whether put into for monitoring zero-sequencedirectional protection pressing plate
Sequence overcurrent protection pressing plate;The longitudinal differential protection pressing plate whether put into for monitoring longitudinal differential protection pressing plate;For monitoring electricity
The voltage SV whether pressing plate puts into received and receives pressing plate by pressure SV;The circuit whether put into for monitoring circuit trip protection pressing plate is protected
Protect trip pressing plate;The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;For supervising
The circuit breaker position pressing plate whether control circuit breaker position pressing plate puts into;For monitoring whether bus protection branch interval receives pressing plate
The bus protection branch interval of input receives pressing plate;For monitor bus protection difference current whether be more than setting value busbar protect
Protect the soft pressing plate of difference current;Bus protection alarm device for obtaining bus protection alarm signal;For obtaining route protection
The route protection software and hardware alarm device of software and hardware warning information;Further include that the first judgment module, the second judgment module, third are sentenced
Disconnected module, the 4th judgment module and the 5th judgment module;
First judgment module is used to throwing the distant place into the output valve for moving back pressing plate input signal and the optical-fibre channel
It is defeated after the output valve of one pressing plate input signal and the output valve progress inclusive-OR operation of two pressing plate of optical-fibre channel input signal
Go out value to carry out AND operation again and export output valve;When the output valve of first judgment module is 1, put into described vertical
Linked differential protection pressing plate;The output valve that second judgment module is used to move back the distant place throwing pressing plate input signal is defeated as its
Go out value, and then judge whether differential protection pressing plate puts into, when the output valve of first judgment module is 1, input distance is protected
Protect pressing plate and zero-sequencedirectional protection pressing plate;When the output valve of second judgment module is 1, the distance protection pressing plate is put into
With the zero-sequencedirectional protection pressing plate;The third judgment module is used to put into the distance protection pressing plate output of signal
Value, the zero-sequencedirectional protection pressing plate input signal output valve, the longitudinal differential protection pressing plate input signal output valve,
The output valve for the output valve and the route protection software and hardware no alarm module that the voltage SV receives pressing plate input signal carries out
AND operation simultaneously exports output valve;When the output valve of the third judgment module is 1, the route protection trip pressing plate is put into
With the route protection start failure protection pressing plate;4th judgment module is used to the route protection trip pressing plate putting into signal
Output valve, the route protection start failure protection pressing plate input signal output valve and the circuit breaker position pressing plate put into signal
Output valve carry out AND operation and exporting output valve;When the output valve of the 4th judgment module is 1, the busbar is put into
Branch interval is protected to receive pressing plate;5th judgment module is used to the bus protection branch interval receiving pressing plate input letter
Number output valve, the output valve of the output valve of the soft pressing plate of bus protection difference current and the bus protection alarm device into
Row AND operation simultaneously exports output valve;When the output valve of the 5th judgment module is 1, puts into the bus protection branch and protect
Shield trip pressing plate and the bus protection branch failure are opened into pressing plate;The error-proof device further includes:It is moved back for exporting distant place throwing
Pressing plate is moved back in the distant place throwing that pressing plate exits signal;The bus protection whether exited for monitoring bus protection branch trip protection pressing plate
Branch protection trip pressing plate;It is connect for monitoring the bus protection branch interval whether bus protection branch interval reception pressing plate exits
Receive pressing plate;The bus protection branch failure whether exited into pressing plate is opened for monitoring bus protection branch failure to open into pressing plate;With
In the route protection trip pressing plate whether monitoring circuit trip protection pressing plate exits;It is for monitoring circuit protection reclosing pressing plate
The no line protection reclosure pressing plate exited;The route protection whether exited for monitoring circuit protection start failure protection pressing plate starts
Failure pressing plate;Further include the 6th judgment module, the 7th judgment module and the 8th judgment module;6th judgment module is used for will
The distant place throwing moves back pressing plate and exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current and the busbar
The output valve of protection alarm device carries out AND operation and exports output valve;When the output valve of the 6th judgment module is 1,
Exit the bus protection branch _ trip protection pressing plate, the bus protection branch interval receives pressing plate and the bus protection
Branch failure is opened into pressing plate;7th judgment module is used to the bus protection branch _ trip protection pressing plate exiting signal
Output valve, the bus protection branch _ interval receives pressing plate and exits the output valve of signal and the bus protection branch failure
It opens and exits the output valve progress AND operation of signal into pressing plate and export output valve;When the output valve of the 7th judgment module is
When 1, the route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressure are exited
Plate;8th judgment module is used to the route protection trip pressing plate exiting the output valve of signal, the route protection weight
The output valve that closing pressing plate exits the output valve of signal and the route protection start failure protection pressing plate exits signal carries out "AND" fortune
It calculates and exports output valve;When the output valve of the 8th judgment module is 1, route protection function pressing plate and route protection are exited
SV receives pressing plate.
Embodiment 2
According to fig. 3 and Fig. 4, the present embodiment provides one kind being used for 220KV circuit longitudinal distance protection equipment pressing plates substation
The secondary anti-misoperation method of monitor supervision platform line segregation, secondary anti-misoperation method include pressing plate input and exit two kinds of situations;Fig. 3 expressions are sentenced
Disconnected 220KV circuit longitudinal distance protection equipment pressing plates put into condition judgment block diagram, according to Fig.3, judge that pressing plate input includes
Following steps:
A monitoring distant place, which is thrown, moves back whether pressing plate puts into;Whether monitoring one pressing plate of optical-fibre channel puts into;Optical-fibre channel two is monitored to press
Whether plate puts into;Whether monitoring distance protection pressing plate puts into;Whether monitoring zero-sequencedirectional protection pressing plate puts into;Monitoring voltage SV connects
Receive whether pressing plate puts into;Whether monitoring circuit trip protection pressing plate puts into;Whether monitoring circuit protection start failure protection pressing plate puts into;
Whether monitoring circuit breaker position pressing plate puts into;Monitoring bus protection branch interval receives whether pressing plate puts into;Pass through route protection
Software and hardware no alarm module obtains route protection software and hardware warning information;
Monitor whether bus protection difference current is more than setting value by the soft pressing plate of bus protection difference current;Pass through busbar
Protection alarm device obtains bus protection alarm signal;Whether monitoring longitudinal distance protection pressing plate puts into;The vertical distance is protected
Shield pressing plate, which enters input state, need to meet the following conditions:The distant place throwing moves back pressing plate and is in input state and the optical-fibre channel one
Pressing plate and two pressing plate of the optical-fibre channel at least one be in input state;The distance protection pressing plate and the zero sequence overcurrent
Protection pressing plate, which enters input state and need to meet the distant place and throw, to move back pressing plate and is in input state;The route protection trip pressing plate and
The route protection start failure protection pressing plate, which enters input state, need to meet the following conditions:The distance protection pressing plate, the zero sequence
Overcurrent protection pressing plate, longitudinal distance protection pressing plate and voltage SV receive that pressing plate is in input state and the route protection is soft or hard
When the output valve of part no alarm signal is 1;Bus protection branch interval reception pressing plate, which enters input state, need to meet the following conditions:
The route protection trip pressing plate, route protection start failure protection pressing plate input signal and circuit breaker position pressing plate are in throwing
Enter state;Bus protection branch trip protection pressing plate and bus protection branch failure open into pressing plate enter input state need to meet with
Lower condition:The bus protection branch interval receives pressing plate and is in input state and the soft pressing plate of bus protection difference current
Output valve is 1 and the bus protection alarm device does not send out alarm signal.
Fig. 4 expressions judge that 220KV circuit longitudinal distance protection equipment pressing plate exit criterias judge block diagram, according to Fig.4,
Judge that pressing plate exits to include the following steps:
A monitoring distant place, which is thrown, moves back whether pressing plate exits;Whether monitoring bus protection branch trip protection pressing plate exits;Monitoring is female
Line protection branch interval receives whether pressing plate exits;Monitoring bus protection branch failure is opened into whether pressing plate exits;Monitoring circuit
Whether trip protection pressing plate exits;Whether monitoring circuit protection reclosing pressing plate exits;Monitoring circuit protects start failure protection pressing plate
Whether exit;Whether monitoring longitudinal distance protection pressing plate exits;The bus protection branch trip protection pressing plate, the busbar are protected
Shield branch interval receives pressing plate and the bus protection branch failure is opened to enter into pressing plate and exits state and need to meet the following conditions:Institute
It is 1 and busbar guarantor to state distant place throwing and move back pressing plate to be in the state that exits and the output valve of the soft pressing plate of bus protection difference current
Shield alarm device does not send out alarm signal;The route protection trip pressing plate, the line protection reclosure pressing plate and the line
State is exited in protection start failure protection pressing plate entrance in road need to meet the following conditions::The bus protection branch trip protection pressing plate, institute
It states bus protection branch interval reception pressing plate and the bus protection branch failure is opened and is in the state of exiting into pressing plate;Circuit is protected
Protective function pressing plate and route protection SV, which receive pressing plate entrance, which exits state, need to meet the following conditions:The route protection tripping pressure
Plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate are in the state of exiting.
The present embodiment also provides one kind and being used for the secondary error-proof device of 220KV circuit longitudinal distance protection equipment pressing plates, described
Error-proof device includes:For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;It is logical for monitoring optical fiber
One pressing plate of optical-fibre channel whether one pressing plate of road puts into;It is pressed for monitoring the optical-fibre channel two whether two pressing plate of optical-fibre channel puts into
Plate;The distance protection pressing plate whether put into for monitoring distance protection pressing plate;For monitoring whether zero-sequencedirectional protection pressing plate is thrown
The zero-sequencedirectional protection pressing plate entered;The longitudinal differential protection pressing plate whether put into for monitoring longitudinal distance protection pressing plate;For
The voltage SV whether pressing plate puts into received and receives pressing plate by monitoring voltage SV;Whether put into for monitoring circuit trip protection pressing plate
Route protection trip pressing plate;The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;
The circuit breaker position pressing plate whether put into for monitoring circuit breaker position pressing plate;Pressure is received for monitoring bus protection branch interval
The bus protection branch interval whether plate puts into receives pressing plate;For monitoring whether bus protection difference current is more than setting value
The soft pressing plate of bus protection difference current;Bus protection alarm device for obtaining bus protection alarm signal;For obtaining line
Protect the route protection software and hardware alarm device of software and hardware warning information in road;For monitoring bus protection branch trip protection pressing plate
The bus protection branch trip protection pressing plate whether exited;Receive what whether pressing plate exited for monitoring bus protection branch interval
Bus protection branch interval receives pressing plate;The bus protection branch whether exited into pressing plate is opened for monitoring bus protection branch failure
Road failure is opened into pressing plate;The route protection trip pressing plate whether exited for monitoring circuit trip protection pressing plate;For monitoring line
The line protection reclosure pressing plate whether road protection reclosing pressing plate exits;Whether start failure protection pressing plate is protected for monitoring circuit
The route protection start failure protection pressing plate exited;Further include the 9th judgment module, the tenth judgment module, the 11st judgment module,
12 judgment modules, the 13rd judgment module, the 14th judgment module, the 15th judgment module and the 16th judgment module;
9th judgment module is used to throwing the distant place into the output valve for moving back pressing plate input signal and the optical-fibre channel
It is defeated after the output valve of one pressing plate input signal and the output valve progress inclusive-OR operation of two pressing plate of optical-fibre channel input signal
Go out value to carry out AND operation again and export output valve;When the output valve of the 9th judgment module is 1, put into described vertical
Join distance protection pressing plate;The output valve that tenth judgment module is used to move back the distant place throwing pressing plate input signal is defeated as its
Go out value, and then judge whether differential protection pressing plate puts into, when the output valve of first judgment module is 1, input distance is protected
Protect pressing plate and zero-sequencedirectional protection pressing plate;When the output valve of the tenth judgment module is 1, the distance protection pressing plate is put into
With the zero-sequencedirectional protection pressing plate;11st judgment module is used to put into the distance protection pressing plate output of signal
Value, the zero-sequencedirectional protection pressing plate input signal output valve, the longitudinal distance protection pressing plate input signal output valve,
The output valve for the output valve and the route protection software and hardware no alarm module that the voltage SV receives pressing plate input signal carries out
AND operation simultaneously exports output valve;When the output valve of the 11st judgment module is 1, the route protection tripping pressure is put into
Plate and the route protection start failure protection pressing plate;12nd judgment module is used to put into the route protection trip pressing plate
The output valve of signal, the output valve of route protection start failure protection pressing plate input signal and circuit breaker position pressing plate input
The output valve of signal carries out AND operation and exports output valve;When the output valve of the 12nd judgment module is 1, institute is put into
It states bus protection branch interval and receives pressing plate;13rd judgment module is used to receive at the bus protection branch interval and press
Plate puts into the output valve of signal, the output valve of the soft pressing plate of bus protection difference current and the bus protection alarm device
Output valve carries out AND operation and exports output valve;When the output valve of the 13rd judgment module is 1, the busbar is put into
Protection branch protection trip pressing plate and the bus protection branch failure are opened into pressing plate;14th judgment module is used for institute
It states a distant place and throws and move back that pressing plate exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current and the busbar are protected
The output valve of shield alarm device carries out AND operation and exports output valve;When the output valve of the 14th judgment module is 1,
Exit the bus protection branch _ trip protection pressing plate, the bus protection branch interval receives pressing plate and the bus protection
Branch failure is opened into pressing plate;15th judgment module is used to the bus protection branch _ trip protection pressing plate exiting letter
Number output valve, the bus protection branch _ interval receive that pressing plate exits the output valve of signal and the bus protection branch loses
Spirit, which is opened, to be exited the output valve progress AND operation of signal into pressing plate and exports output valve;When the output of the 15th judgment module
When value is 1, the route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection are exited
Pressing plate;16th judgment module is used to the route protection trip pressing plate exiting the output valve of signal, the circuit is protected
The output valve that shield reclosing pressing plate exits the output valve of signal and the route protection start failure protection pressing plate exits signal carries out
AND operation simultaneously exports output valve;When the output valve of the 16th judgment module be 1 when, exit route protection function pressing plate and
Route protection SV receives pressing plate.
Embodiment 3
According to Fig. 5 and Fig. 6, the present embodiment provides one kind being used for 110kV line protective device pressing plate supervisory control of substation platforms
The secondary anti-misoperation method of line segregation, secondary anti-misoperation method include pressing plate input and exit two kinds of situations;Fig. 5 expressions judge 110kV
Line protective device pressing plate puts into condition judgment block diagram, according to Fig.5, judges that pressing plate input includes the following steps:Monitoring is remote
It throws and moves back whether pressing plate puts into side;Whether monitoring one pressing plate of optical-fibre channel puts into;Whether monitoring two pressing plate of optical-fibre channel puts into;Monitoring
Whether distance protection pressing plate puts into;Whether monitoring zero-sequencedirectional protection pressing plate puts into;Whether monitoring longitudinal differential protection pressing plate is thrown
Enter;Monitoring voltage SV receives whether pressing plate puts into;Whether monitoring circuit trip protection pressing plate puts into;Monitoring circuit protection, which starts, loses
Whether clever pressing plate puts into;Whether monitoring circuit breaker position pressing plate puts into;Monitoring bus protection branch interval receives whether pressing plate is thrown
Enter;Route protection software and hardware warning information is obtained by route protection software and hardware no alarm module;Pass through the differential electricity of bus protection
Flow whether soft pressing plate monitoring bus protection difference current is more than setting value;Bus protection is obtained by bus protection alarm device to accuse
Alert signal;
The longitudinal differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in throwing
Enter state and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;The distance
Protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, to move back pressing plate and is in input state;
State is exited in the route protection trip pressing plate entrance need to meet the following conditions:The distance protection pressing plate, the zero sequence overcurrent
Protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive pressing plate be in input state and the route protection software and hardware without
When the output valve of alarm signal is 1;The bus protection branch interval reception pressing plate, which enters input state, need to meet the following conditions:
The route protection trip pressing plate and the circuit breaker position pressing plate are in input state;The bus protection branch protection is jumped
Lock pressing plate, which enters input state, need to meet the following conditions:The bus protection branch interval receives pressing plate and is in input state and institute
The output valve for stating the soft pressing plate of bus protection difference current is 1 and the bus protection alarm device does not send out alarm signal.
Fig. 6 expressions judge that 110kV line protective device pressing plate exit criterias judge block diagram, according to Fig.6, judge pressing plate
Input includes the following steps:A monitoring distant place, which is thrown, moves back whether pressing plate exits;
Whether monitoring bus protection branch trip protection pressing plate exits;Monitor whether bus protection branch interval receives pressing plate
It exits;Whether monitoring circuit trip protection pressing plate exits;Whether monitoring circuit protection reclosing pressing plate exits;The bus protection
Branch protection trip pressing plate and the bus protection branch interval, which receive pressing plate entrance, which exits state, need to meet the following conditions:It is described
It is 1 and the bus protection that a distant place, which throws and moves back pressing plate to be in the state that exits and the output valve of the soft pressing plate of bus protection difference current,
Alarm device does not send out alarm signal;The route protection trip pressing plate and the line protection reclosure pressing plate, which enter, exits shape
State need to meet the following conditions:It is equal that the bus protection branch trip protection pressing plate and the bus protection branch interval receive pressing plate
In exiting state;The route protection function pressing plate and route protection voltage SV receive pressing plate enter the state that exits need to meet with
Lower condition:The route protection trip pressing plate and the line protection reclosure pressing plate are in the state of exiting.
The present embodiment additionally provides a kind of for the secondary error-proof device of 110KV line protective device pressing plates, the wrong-mounting prevention
Set including:For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;It is pressed for monitoring optical-fibre channel one
One pressing plate of optical-fibre channel whether plate puts into;Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;With
In the distance protection pressing plate whether monitoring distance protection pressing plate puts into;Zero whether put into for monitoring zero-sequencedirectional protection pressing plate
Sequence overcurrent protection pressing plate;The longitudinal differential protection pressing plate whether put into for monitoring longitudinal differential protection pressing plate;For monitoring electricity
The voltage SV whether pressing plate puts into received and receives pressing plate by pressure SV;The circuit whether put into for monitoring circuit trip protection pressing plate is protected
Protect trip pressing plate;The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;For supervising
The circuit breaker position pressing plate whether control circuit breaker position pressing plate puts into;For monitoring whether bus protection branch interval receives pressing plate
The bus protection branch interval of input receives pressing plate;For monitor bus protection difference current whether be more than setting value busbar protect
Protect the soft pressing plate of difference current;Bus protection alarm device for obtaining bus protection alarm signal;For obtaining route protection
The route protection software and hardware alarm device of software and hardware warning information;Further include the 17th judgment module, the 18th judgment module,
19 judgment modules, the 20th judgment module, the 21st judgment module, the 22nd judgment module, the 23rd judge mould
Block and the 24th judgment module;
17th judgment module, which is used to throw in the distant place, to move back pressing plate and puts into the output valve of signal as its output valve,
And then judge whether distance protection pressing plate and zero-sequencedirectional protection pressing plate put into, when the output valve of the 17th judgment module is
When 1, the distance protection pressing plate and zero-sequencedirectional protection pressing plate are put into;18th judgment module is for throwing the distant place
The output valve for moving back pressing plate input signal and the output valve and the optical-fibre channel two of one pressing plate of optical-fibre channel input signal are pressed
The output valve that the output valve of plate input signal carries out after inclusive-OR operation carries out AND operation and exports output valve again;When the described tenth
When the output valve of eight judgment modules is 1, the longitudinal differential protection pressing plate is put into;19th judgment module is used for will be described
Distance protection pressing plate puts into the output valve of signal, the output valve, described vertical poor of zero-sequencedirectional protection pressing plate input signal
The output valve of dynamic protection pressing plate input signal, the output valve of voltage SV reception pressing plate input signals and the route protection are soft
The output valve of hardware no alarm module carries out AND operation and exports output valve;When the output valve of the 19th judgment module is
When 1, the route protection trip pressing plate is put into;20th judgment module is used to put into the route protection trip pressing plate
The output valve of signal and the output valve of circuit breaker position pressing plate input signal carry out AND operation and export output valve;Work as institute
When the output valve for stating the 20th judgment module is 1, puts into the bus protection branch interval and receive pressing plate;Described 21st sentences
Disconnected module is used to the bus protection branch interval receiving output valve, the bus protection difference current that pressing plate puts into signal
The output valve of soft pressing plate and the output valve of the bus protection alarm device carry out AND operation and export output valve;When described
When the output valve of 21 judgment modules is 1, the bus protection branch trip protection pressing plate is put into;Described 22nd judges
Module, which is used to distant place throwing moving back pressing plate, exits the output valve of signal, the output valve of the soft pressing plate of bus protection difference current
AND operation is carried out with the output valve of the bus protection alarm device and exports output valve;When the 22nd judgment module
Output valve when being 1, exit the bus protection branch trip protection pressing plate and the bus protection branch interval and receive pressing plate;
23rd judgment module is used to the bus protection branch trip protection pressing plate exiting the output valve of signal and described
Bus protection branch interval receives pressing plate and exits the output valve progress AND operation of signal and export output valve;When the described 20th
When the output valve of three judgment modules is 1, the route protection trip pressing plate and the line protection reclosure pressing plate are exited;It is described
24th judgment module is used to the route protection trip pressing plate exiting the output valve of signal and the route protection overlaps
The output valve that lock pressing plate exits signal carries out AND operation and exports output valve;When the output valve of the 24th judgment module
When being 1, exits route protection function pressing plate and route protection SV receives pressing plate.
The present invention is used for supervisory control of substation plane line interval secondary anti-misoperation method and device, concise, clear without discrimination
Justice, easy to use, versatility is good.It can accurately detect and judge that the permission mode of operation of each pressing plate, anti-leak-stopping throw miscarrying pressing plate
Equal maloperations, substantially increase the accuracy of clamp operation, reduce protective relaying maloperation, tripping, effectively reduce human error and draw
The electrical secondary system malfunction risen, contributes to secondary system of intelligent substation safe and stable operation;And the present invention is simple and practical, leads to
Monitoring system acquires current protective device operating status in real time, pressing plate throwing moves back state and changes station real-time measurement Value Data etc. is crossed,
Judge via anti-misoperation method, the throwing of the soft or hard pressing plate of secondary device in intelligent substation bus run condition conversion operation process is moved back
Operation carries out feasibility assessment, and can be to carrying out locking alarm with the operation that security risk is anti-and is not inconsistent normally, it is ensured that
Equipment pressing plate safety operation is protected, empty circuit link pressing plate, the throwing of defencive function pressing plate is avoided to move back inconsistent behavior.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, 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 determine its technical scope according to right.
Claims (6)
1. one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method, for realizing differential to 220KV circuit longitudinals
Protect the secondary anti-error of equipment pressing plate, which is characterized in that include the following steps:
It throws the input for moving back pressing plate or exits state in a monitoring distant place;
Whether monitoring one pressing plate of optical-fibre channel puts into;
Whether monitoring two pressing plate of optical-fibre channel puts into;
Whether monitoring distance protection pressing plate puts into;
Whether monitoring zero-sequencedirectional protection pressing plate puts into;
Whether monitoring longitudinal differential protection pressing plate puts into;
Monitoring voltage SV receives whether pressing plate puts into;
Whether monitoring circuit trip protection pressing plate puts into;
Whether monitoring circuit protection start failure protection pressing plate puts into;
Whether monitoring circuit breaker position pressing plate puts into;
Monitoring bus protection branch interval receives whether pressing plate puts into;
Route protection software and hardware warning information is obtained by route protection software and hardware no alarm module;
Monitor whether bus protection difference current is more than setting value by the soft pressing plate of bus protection difference current;
Bus protection alarm signal is obtained by bus protection alarm device;
A monitoring distant place, which is thrown, moves back whether pressing plate exits;
Whether monitoring bus protection branch trip protection pressing plate exits;
Monitoring bus protection branch interval receives whether pressing plate exits;
Monitoring bus protection branch failure is opened into whether pressing plate exits;
Whether monitoring circuit trip protection pressing plate exits;
Whether monitoring circuit protection reclosing pressing plate exits;
Whether monitoring circuit protection start failure protection pressing plate exits;
The longitudinal differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in input shape
State and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;
The distance protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, moves back pressing plate
In input state;
The route protection trip pressing plate and the route protection start failure protection pressing plate, which enter input state, need to meet the following conditions:
The distance protection pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive pressing plate and are in
When input state and the output valve of the route protection software and hardware no alarm signal are 1;
Bus protection branch interval reception pressing plate, which enters input state, need to meet the following conditions:The route protection trip pressing plate,
The route protection start failure protection pressing plate input signal and circuit breaker position pressing plate are in input state;
Bus protection branch trip protection pressing plate and bus protection branch failure open into pressing plate enter input state need to meet it is following
Condition:The bus protection branch interval receives pressing plate and is in the defeated of input state and the soft pressing plate of bus protection difference current
Go out value be 1 and the bus protection alarm device do not send out alarm signal;
The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch
Road failure is opened to enter into pressing plate and exits state and need to meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the mother
The output valve of the line protection soft pressing plate of difference current is 1 and the bus protection alarm device does not send out alarm signal;
The route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate enter
The state of exiting need to meet the following conditions:
The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch
Road failure is opened is in the state of exiting into pressing plate;
Route protection function pressing plate and route protection SV, which receive pressing plate entrance, which exits state, need to meet the following conditions:The circuit is protected
Shield trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate are in the state of exiting.
2. one kind being used for supervisory control of substation plane line interval secondary error-proof device, for realizing differential to 220KV circuit longitudinals
Protect the secondary anti-error of equipment pressing plate, which is characterized in that the error-proof device includes:
For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;
One pressing plate of optical-fibre channel whether put into for monitoring one pressing plate of optical-fibre channel;
Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;
The distance protection pressing plate whether put into for monitoring distance protection pressing plate;
The zero-sequencedirectional protection pressing plate whether put into for monitoring zero-sequencedirectional protection pressing plate;
The longitudinal differential protection pressing plate whether put into for monitoring longitudinal differential protection pressing plate;
The voltage SV whether pressing plate puts into, which is received, for monitoring voltage SV receives pressing plate;
The route protection trip pressing plate whether put into for monitoring circuit trip protection pressing plate;
The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;
The circuit breaker position pressing plate whether put into for monitoring circuit breaker position pressing plate;
The bus protection branch interval reception pressing plate whether pressing plate puts into is received for monitoring bus protection branch interval;
For monitor bus protection difference current whether be more than setting value the soft pressing plate of bus protection difference current;
Bus protection alarm device for obtaining bus protection alarm signal;
Route protection software and hardware alarm device for obtaining route protection software and hardware warning information;
The bus protection branch trip protection pressing plate whether exited for monitoring bus protection branch trip protection pressing plate;
The bus protection branch interval reception pressing plate whether pressing plate exits is received for monitoring bus protection branch interval;
The bus protection branch failure whether exited into pressing plate is opened for monitoring bus protection branch failure to open into pressing plate;
The route protection trip pressing plate whether exited for monitoring circuit trip protection pressing plate;
The line protection reclosure pressing plate whether exited for monitoring circuit protection reclosing pressing plate;
The route protection start failure protection pressing plate whether exited for monitoring circuit protection start failure protection pressing plate;
Further include the first judgment module, the second judgment module, third judgment module, the 4th judgment module, the 5th judgment module,
Six judgment modules, the 7th judgment module and the 8th judgment module;
The output valve that first judgment module is used to move back the distant place throwing pressing plate input signal is pressed with the optical-fibre channel one
Plate puts into the output valve of signal and the output valve of two pressing plate of optical-fibre channel input signal carries out the output valve after inclusive-OR operation
AND operation is carried out again and exports output valve;When the output valve of first judgment module is 1, puts into the longitudinal differential and protect
Protect pressing plate;
Second judgment module is used to throw in the distant place output valve for moving back pressing plate input signal as its output valve, and then sentences
Whether disconnected differential protection pressing plate puts into, and when the output valve of first judgment module is 1, puts into distance protection pressing plate and zero sequence
Overcurrent protection pressing plate;When the output valve of second judgment module is 1, the distance protection pressing plate and the zero sequence mistake are put into
Stream protection pressing plate;
The third judgment module is used to put into the distance protection pressing plate output valve, the zero-sequencedirectional protection pressure of signal
Plate puts into the output valve of signal, the output valve of longitudinal differential protection pressing plate input signal, the voltage SV and receives pressing plate and throw
The output valve of the output valve and the route protection software and hardware no alarm module that enter signal carries out AND operation and exports output valve;
When the output valve of the third judgment module is 1, puts into the route protection trip pressing plate and the route protection starts mistake
Clever pressing plate;
4th judgment module is used to the route protection trip pressing plate putting into the output valve of signal, the route protection opens
The output valve of dynamic failure pressing plate input signal and the output valve of circuit breaker position pressing plate input signal carry out AND operation simultaneously
Export output valve;When the output valve of the 4th judgment module is 1, puts into the bus protection branch interval and receive pressing plate;
5th judgment module, which is used to the bus protection branch interval receiving pressing plate, puts into the output valve of signal, the mother
The output valve of the line protection soft pressing plate of difference current and the output valve of the bus protection alarm device carry out AND operation and export
Output valve;When the output valve of the 5th judgment module is 1, the bus protection branch trip protection pressing plate and described is put into
Bus protection branch failure is opened into pressing plate;
6th judgment module, which is used to distant place throwing moving back pressing plate, exits the output valve of signal, the differential electricity of the bus protection
The output valve of the output valve and the bus protection alarm device that flow soft pressing plate carries out AND operation and exports output valve;When described
When the output valve of 6th judgment module is 1, the bus protection branch _ trip protection pressing plate, the bus protection branch are exited
Interval receives pressing plate and the bus protection branch failure is opened into pressing plate;
7th judgment module is used to exit the bus protection branch _ trip protection pressing plate the output valve, described of signal
Bus protection branch _ interval reception pressing plate exits the output valve of signal and the bus protection branch failure is opened and exits letter into pressing plate
Number output valve carry out AND operation and exporting output valve;When the output valve of the 7th judgment module is 1, the line is exited
Road trip protection pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate;
8th judgment module is used to the route protection trip pressing plate exiting the output valve of signal, the route protection weight
The output valve that closing pressing plate exits the output valve of signal and the route protection start failure protection pressing plate exits signal carries out "AND" fortune
It calculates and exports output valve;When the output valve of the 8th judgment module is 1, route protection function pressing plate and route protection are exited
SV receives pressing plate.
3. one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method, for realizing to 220KV circuit longitudinal distances
Protect the secondary anti-error of equipment pressing plate, which is characterized in that include the following steps:
It throws the input for moving back pressing plate or exits state in a monitoring distant place;
Whether monitoring one pressing plate of optical-fibre channel puts into;
Whether monitoring two pressing plate of optical-fibre channel puts into;
Whether monitoring distance protection pressing plate puts into;
Whether monitoring zero-sequencedirectional protection pressing plate puts into;
Monitoring voltage SV receives whether pressing plate puts into;
Whether monitoring circuit trip protection pressing plate puts into;
Whether monitoring circuit protection start failure protection pressing plate puts into;
Whether monitoring circuit breaker position pressing plate puts into;
Monitoring bus protection branch interval receives whether pressing plate puts into;
Route protection software and hardware warning information is obtained by route protection software and hardware no alarm module;
Monitor whether bus protection difference current is more than setting value by the soft pressing plate of bus protection difference current;
Bus protection alarm signal is obtained by bus protection alarm device;
Whether monitoring longitudinal distance protection pressing plate puts into;
Whether monitoring bus protection branch trip protection pressing plate exits;
Monitoring bus protection branch interval receives whether pressing plate exits;
Monitoring bus protection branch failure is opened into whether pressing plate exits;
Whether monitoring circuit trip protection pressing plate exits;
Whether monitoring circuit protection reclosing pressing plate exits;
Whether monitoring circuit protection start failure protection pressing plate exits;
The longitudinal distance protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in input shape
State and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;
The distance protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, moves back pressing plate
In input state;
The route protection trip pressing plate and the route protection start failure protection pressing plate, which enter input state, need to meet the following conditions:
The distance protection pressing plate, the zero-sequencedirectional protection pressing plate, longitudinal distance protection pressing plate and voltage SV receive pressing plate and are in
When input state and the output valve of the route protection software and hardware no alarm signal are 1;
Bus protection branch interval reception pressing plate, which enters input state, need to meet the following conditions:The route protection trip pressing plate,
The route protection start failure protection pressing plate input signal and circuit breaker position pressing plate are in input state;
Bus protection branch trip protection pressing plate and bus protection branch failure open into pressing plate enter input state need to meet it is following
Condition:The bus protection branch interval receives pressing plate and is in the defeated of input state and the soft pressing plate of bus protection difference current
Go out value be 1 and the bus protection alarm device do not send out alarm signal;
The bus protection branch trip protection pressing plate, the bus protection branch interval receive pressing plate and the bus protection branch
Road failure is opened to enter into pressing plate and exits state and need to meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the mother
The output valve of the line protection soft pressing plate of difference current is 1 and the bus protection alarm device does not send out alarm signal;
The route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate enter
The state of exiting need to meet the following conditions::The bus protection branch trip protection pressing plate, the bus protection branch interval receive
Pressing plate and the bus protection branch failure are opened and are in the state of exiting into pressing plate;
Route protection function pressing plate and route protection SV, which receive pressing plate entrance, which exits state, need to meet the following conditions:The circuit is protected
Shield trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate are in the state of exiting.
4. a kind of secondary error-proof device for realizing to 220KV circuit longitudinal distance protection equipment pressing plates, which is characterized in that institute
Stating error-proof device includes:
For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;
One pressing plate of optical-fibre channel whether put into for monitoring one pressing plate of optical-fibre channel;
Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;
The distance protection pressing plate whether put into for monitoring distance protection pressing plate;
The zero-sequencedirectional protection pressing plate whether put into for monitoring zero-sequencedirectional protection pressing plate;
The longitudinal differential protection pressing plate whether put into for monitoring longitudinal distance protection pressing plate;
The voltage SV whether pressing plate puts into, which is received, for monitoring voltage SV receives pressing plate;
The route protection trip pressing plate whether put into for monitoring circuit trip protection pressing plate;
The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;
The circuit breaker position pressing plate whether put into for monitoring circuit breaker position pressing plate;
The bus protection branch interval reception pressing plate whether pressing plate puts into is received for monitoring bus protection branch interval;
For monitor bus protection difference current whether be more than setting value the soft pressing plate of bus protection difference current;
Bus protection alarm device for obtaining bus protection alarm signal;
Route protection software and hardware alarm device for obtaining route protection software and hardware warning information;
The bus protection branch trip protection pressing plate whether exited for monitoring bus protection branch trip protection pressing plate;
The bus protection branch interval reception pressing plate whether pressing plate exits is received for monitoring bus protection branch interval;
The bus protection branch failure whether exited into pressing plate is opened for monitoring bus protection branch failure to open into pressing plate;
The route protection trip pressing plate whether exited for monitoring circuit trip protection pressing plate;
The line protection reclosure pressing plate whether exited for monitoring circuit protection reclosing pressing plate;
The route protection start failure protection pressing plate whether exited for monitoring circuit protection start failure protection pressing plate;
Further include the 9th judgment module, the tenth judgment module, the 11st judgment module, the 12nd judgment module, the 13rd judgement
Module, the 14th judgment module, the 15th judgment module and the 16th judgment module;
The output valve that 9th judgment module is used to move back the distant place throwing pressing plate input signal is pressed with the optical-fibre channel one
Plate puts into the output valve of signal and the output valve of two pressing plate of optical-fibre channel input signal carries out the output valve after inclusive-OR operation
AND operation is carried out again and exports output valve;When the output valve of the 9th judgment module be 1 when, input it is described it is vertical away from
From protection pressing plate;
Tenth judgment module is used to throw in the distant place output valve for moving back pressing plate input signal as its output valve, and then sentences
Whether disconnected differential protection pressing plate puts into, and when the output valve of first judgment module is 1, puts into distance protection pressing plate and zero sequence
Overcurrent protection pressing plate;When the output valve of the tenth judgment module is 1, the distance protection pressing plate and the zero sequence mistake are put into
Stream protection pressing plate;
11st judgment module is used to the distance protection pressing plate putting into the output valve of signal, the zero-sequencedirectional protection
Pressing plate puts into the output valve of signal, the output valve of longitudinal distance protection pressing plate input signal, the voltage SV and receives pressing plate
The output valve of the output valve and the route protection software and hardware no alarm module that put into signal carries out AND operation and exports output
Value;When the output valve of the 11st judgment module is 1, puts into the route protection trip pressing plate and the route protection opens
Dynamic failure pressing plate;
12nd judgment module is used to the route protection trip pressing plate putting into the output valve of signal, the route protection
Start failure protection pressing plate puts into the output valve of signal and the output valve of circuit breaker position pressing plate input signal carries out AND operation
And export output valve;When the output valve of the 12nd judgment module is 1, puts into the bus protection branch interval and receive pressure
Plate;
13rd judgment module is used to the bus protection branch interval receiving the output valve, described that pressing plate puts into signal
The output valve of the soft pressing plate of bus protection difference current and the progress AND operation of the output valve of the bus protection alarm device are simultaneously defeated
Go out output valve;When the output valve of the 13rd judgment module be 1 when, put into the bus protection branch trip protection pressing plate and
The bus protection branch failure is opened into pressing plate;
14th judgment module, which is used to throw in the distant place, to move back pressing plate to exit the output valve of signal, the bus protection differential
The output valve of the soft pressing plate of electric current and the output valve of the bus protection alarm device carry out AND operation and export output valve;Work as institute
When the output valve for stating the 14th judgment module is 1, the bus protection branch _ trip protection pressing plate, the bus protection are exited
Branch interval receives pressing plate and the bus protection branch failure is opened into pressing plate;
15th judgment module is used to exit the bus protection branch _ trip protection pressing plate output valve, the institute of signal
It states bus protection branch _ interval and receives that pressing plate exits the output valve of signal and the bus protection branch failure is opened and exited into pressing plate
The output valve of signal carries out AND operation and exports output valve;When the output valve of the 15th judgment module is 1, institute is exited
State route protection trip pressing plate, the line protection reclosure pressing plate and the route protection start failure protection pressing plate;
16th judgment module is used to the route protection trip pressing plate exiting the output valve of signal, the route protection
The output valve that reclosing pressing plate exits the output valve of signal and the route protection start failure protection pressing plate exits signal carries out "AND"
Operation simultaneously exports output valve;When the output valve of the 16th judgment module is 1, route protection function pressing plate and circuit are exited
SV is protected to receive pressing plate.
5. one kind being used for supervisory control of substation plane line interval secondary anti-misoperation method, for realizing to 110KV line protective devices
Pressing plate is secondary anti-error, which is characterized in that
It throws the input for moving back pressing plate or exits state in a monitoring distant place;
Whether monitoring one pressing plate of optical-fibre channel puts into;
Whether monitoring two pressing plate of optical-fibre channel puts into;
Whether monitoring distance protection pressing plate puts into;
Whether monitoring zero-sequencedirectional protection pressing plate puts into;
Whether monitoring longitudinal differential protection pressing plate puts into;
Monitoring voltage SV receives whether pressing plate puts into;
Whether monitoring circuit trip protection pressing plate puts into;
Whether monitoring circuit protection start failure protection pressing plate puts into;
Whether monitoring circuit breaker position pressing plate puts into;
Monitoring bus protection branch interval receives whether pressing plate puts into;
Route protection software and hardware warning information is obtained by route protection software and hardware no alarm module;
Monitor whether bus protection difference current is more than setting value by the soft pressing plate of bus protection difference current;
Bus protection alarm signal is obtained by bus protection alarm device;
Monitoring bus protection branch interval receives whether pressing plate exits;
Whether monitoring circuit trip protection pressing plate exits;
Whether monitoring circuit protection reclosing pressing plate exits;
The longitudinal differential protection pressing plate, which enters input state, need to meet the following conditions:The distant place, which is thrown, moves back pressing plate in input shape
State and one pressing plate of the optical-fibre channel and two pressing plate of the optical-fibre channel at least one be in input state;
The distance protection pressing plate and the zero-sequencedirectional protection pressing plate, which enter input state and need to meet the distant place and throw, moves back pressing plate
In input state;
State is exited in the route protection trip pressing plate entrance need to meet the following conditions:The distance protection pressing plate, the zero sequence
Overcurrent protection pressing plate, longitudinal differential protection pressing plate and voltage SV receive that pressing plate is in input state and the route protection is soft or hard
When the output valve of part no alarm signal is 1;
The bus protection branch interval reception pressing plate, which enters input state, need to meet the following conditions:The route protection tripping pressure
Plate and the circuit breaker position pressing plate are in input state;
The bus protection branch trip protection pressing plate, which enters input state, need to meet the following conditions:Between the bus protection branch
It is 1 and bus protection announcement every receiving pressing plate to be in the output valve of input state and the soft pressing plate of bus protection difference current
Alarm device does not send out alarm signal.
The bus protection branch trip protection pressing plate and the bus protection branch interval receive pressing plate and are needed into the state that exits
Meet the following conditions:The distant place, which throws to move back pressing plate and be in, exits state and the output valve of the soft pressing plate of bus protection difference current
For 1 and the bus protection alarm device do not send out alarm signal;
The route protection trip pressing plate and line protection reclosure pressing plate entrance exit state and need to meet the following conditions:Institute
It states bus protection branch trip protection pressing plate and the bus protection branch interval receives pressing plate and is in the state of exiting;
The route protection function pressing plate and route protection voltage SV, which receive pressing plate entrance, which exits state, need to meet the following conditions:Institute
It states route protection trip pressing plate and the line protection reclosure pressing plate is in the state of exiting.
6. one kind being used for the secondary error-proof device of 110KV line protective device pressing plates, which is characterized in that the error-proof device includes:
For export a distant place throw move back pressing plate input or exit signal a distant place throw move back pressing plate;
One pressing plate of optical-fibre channel whether put into for monitoring one pressing plate of optical-fibre channel;
Two pressing plate of optical-fibre channel whether put into for monitoring two pressing plate of optical-fibre channel;
The distance protection pressing plate whether put into for monitoring distance protection pressing plate;
The zero-sequencedirectional protection pressing plate whether put into for monitoring zero-sequencedirectional protection pressing plate;
The longitudinal differential protection pressing plate whether put into for monitoring longitudinal differential protection pressing plate;
The voltage SV whether pressing plate puts into, which is received, for monitoring voltage SV receives pressing plate;
The route protection trip pressing plate whether put into for monitoring circuit trip protection pressing plate;
The route protection start failure protection pressing plate whether put into for monitoring circuit protection start failure protection pressing plate;
The circuit breaker position pressing plate whether put into for monitoring circuit breaker position pressing plate;
The bus protection branch interval reception pressing plate whether pressing plate puts into is received for monitoring bus protection branch interval;
For monitor bus protection difference current whether be more than setting value the soft pressing plate of bus protection difference current;
Bus protection alarm device for obtaining bus protection alarm signal;
Route protection software and hardware alarm device for obtaining route protection software and hardware warning information;
Further include the 17th judgment module, the 18th judgment module, the 19th judgment module, the 20th judgment module, the 20th
One judgment module, the 22nd judgment module, the 23rd judgment module and the 24th judgment module;
17th judgment module is used to throw in the distant place output valve for moving back pressing plate input signal as its output valve, in turn
Judge whether distance protection pressing plate and zero-sequencedirectional protection pressing plate put into, when the output valve of the 17th judgment module is 1,
Put into the distance protection pressing plate and zero-sequencedirectional protection pressing plate;
18th judgment module, which is used to throw in the distant place, moves back output valve and the optical-fibre channel one that pressing plate puts into signal
Pressing plate puts into the output valve of signal and the output valve of two pressing plate of optical-fibre channel input signal carries out the output after inclusive-OR operation
Value carries out AND operation and exports output valve again;When the output valve of the 18th judgment module is 1, input is described vertical poor
Dynamic protection pressing plate;
19th judgment module is used to the distance protection pressing plate putting into the output valve of signal, the zero-sequencedirectional protection
Pressing plate puts into the output valve of signal, the output valve of longitudinal differential protection pressing plate input signal, the voltage SV and receives pressing plate
The output valve of the output valve and the route protection software and hardware no alarm module that put into signal carries out AND operation and exports output
Value;When the output valve of the 19th judgment module is 1, the route protection trip pressing plate is put into;
20th judgment module is used to the route protection trip pressing plate putting into the output valve of signal and the breaker
The output valve of position pressing plate input signal carries out AND operation and exports output valve;When the output valve of the 20th judgment module
When being 1, puts into the bus protection branch interval and receive pressing plate;
21st judgment module, which is used to the bus protection branch interval receiving pressing plate, puts into the output valve of signal, institute
The output valve of the output valve and the bus protection alarm device of stating the soft pressing plate of bus protection difference current carries out AND operation simultaneously
Export output valve;When the output valve of the 21st judgment module is 1, the bus protection branch trip protection pressure is put into
Plate;
22nd judgment module, which is used to throw in the distant place, to move back pressing plate to exit the output valve of signal, the bus protection poor
The output valve of the soft pressing plate of streaming current and the output valve of the bus protection alarm device carry out AND operation and export output valve;When
When the output valve of 22nd judgment module is 1, the bus protection branch trip protection pressing plate and the busbar are exited
Branch interval is protected to receive pressing plate;
23rd judgment module be used for by the bus protection branch trip protection pressing plate exit signal output valve and
The bus protection branch interval receives pressing plate and exits the output valve progress AND operation of signal and export output valve;When described
When the output valve of 23 judgment modules is 1, the route protection trip pressing plate and the line protection reclosure pressing plate are exited;
24th judgment module is used to the route protection trip pressing plate exiting the output valve of signal and the circuit
The output valve that protection reclosing pressing plate exits signal carries out AND operation and exports output valve;When the 24th judgment module
Output valve when being 1, exit route protection function pressing plate and route protection SV receive pressing plate.
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CN117294005A (en) * | 2023-09-13 | 2023-12-26 | 国网江苏省电力有限公司淮安供电分公司 | Protection operation mode defense early warning system and method for transformer substation line and transformer |
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