CN110445101A - A kind of breaker centralized control equipment and breaker miss separating brake guard method - Google Patents
A kind of breaker centralized control equipment and breaker miss separating brake guard method Download PDFInfo
- Publication number
- CN110445101A CN110445101A CN201910726303.4A CN201910726303A CN110445101A CN 110445101 A CN110445101 A CN 110445101A CN 201910726303 A CN201910726303 A CN 201910726303A CN 110445101 A CN110445101 A CN 110445101A
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- China
- Prior art keywords
- separating brake
- module
- protection
- breaker
- control
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Classifications
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- 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
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
Abstract
The embodiment of the invention discloses a kind of breaker centralized control equipments and breaker to miss separating brake guard method.The breaker centralized control equipment includes: acquisition module, control module, protective module, communication module and central processing unit; central processing unit is connect with acquisition module, control module, protective module, communication module, for obtaining and dispatching the information of modules；The driving circuit that acquisition module is switched with multiple switch and respectively is connect, for acquiring the electric characteristics of driving circuit and the location information of switch；Communication module is for realizing the communication with external device (ED)；Protective module is for missing the differentiation of separating brake relay protective scheme；The connection of the driving circuit of control module and multiple switch, is used for control switch closing or opening.The breaker centralized control equipment and breaker that the embodiment of the present invention proposes miss separating brake guard method, miss separating brake situation to high voltage DC breaker and take effective protection measure, reduce breaker damage, guarantee DC transmission system safe and reliable operation.
Description
Technical field
The present embodiments relate to breaker control field more particularly to a kind of breaker centralized control equipments and breaker accidentally to divide
Lock guard method.
Background technique
In the prior art, high voltage DC breaker generally uses the concatenated form of multiple switch, and Lai Shixian long-time bearing is logical
The function of line current is cut-off and closed to stream, high current ultrahigh speed.
In the case where breaker is in and closes the through-flow situation of state carrying, if accidentally separating brake occurs in mechanical chopper, DC load electric current will
It in accidentally separating brake mechanical chopper director phase arcing, can not cut off, if handling not in time, electric arc will burn mechanical chopper arc extinguishing
Room then burns other component inside dc circuit breaker, influences the stable operation of direct current system.And in prior art, and
The case where not missing separating brake for high voltage DC breaker is judged, and then proposes solution and scheme.
Summary of the invention
The embodiment of the invention provides a kind of breaker centralized control equipments and breaker to miss separating brake guard method, solves circuit
There is the accidentally reluctant problem of separating brake in system break road device, and the system of realizing judges automatically whether breaker accidentally separating brake feelings occurs
Condition, and when determining that accidentally separating brake occurs in breaker, corresponding safeguard measure is carried out, breaker is avoided and is damaged, ensure that straight
Stream transmission system is safely and steadily run.
For this purpose, in a first aspect, the embodiment of the invention provides a kind of breaker centralized control equipments, wherein breaker
Including multiple concatenated switches, the control device of the breaker includes:
Acquisition module, control module, protective module, communication module and central processing unit, the central processing unit
It is connect with the acquisition module, control module, protective module, communication module；
Separating brake driving circuit and the conjunction of multiple switch and each switch in the acquisition module and the breaker
The connection of lock driving circuit；The acquisition module be used to acquire the separating brake, combined floodgate driving circuit electric characteristics and described open
The location information of pass, and will be described in the location information of the separating brake, the electric characteristics of combined floodgate driving circuit and switch warp
Central processing unit is sent to the protective module；
The communication module is connect with external dc protective device and external dc measure and control device, for realizing the communication
Communication between module and the external dc protective device and the external dc measure and control device；
The protective module is used to be believed according to the position of the separating brake, the electric characteristics of combined floodgate driving circuit and the switch
Breath, and the protection point that the protective module is input to through the central processing unit is generated by the external dc protective device
The remote control separating brake for being input to the protective module through the central processing unit that lock command information, direct current measure and control device generate refers to
Information is enabled, accidentally separating brake relay protective scheme differentiation is carried out, and separating brake will be missed and protected and differentiate result and miss separating brake protection separating brake, miss separating brake guarantor
Shield reclosing command passes to the central processing unit；
The central processing unit is used to obtain and the various information of centralized dispatching modules；Obtain the protective module
Accidentally separating brake, which is protected, differentiates result and accidentally separating brake protection separating brake, accidentally separating brake protection reclosing command, by the accidentally separating brake protection separating brake, accidentally
Separating brake protection reclosing command is sent to the control module, alternatively, obtaining the communication module receives external dc measure and control device
Remote control separating brake, the remote control reclosing command of input, and the remote control divide-shut brake control instruction is sent to the control module, or
Person obtains the communication module and receives the protection separating brake of external dc protective device input, protection reclosing command, and by institute
State protection separating brake, protection reclosing command is sent to the control module；
Separating brake, the combined floodgate driving circuit respectively switched in the control module and the breaker is connect, for according to
Accidentally separating brake protects separating brake, accidentally the control of separating brake protection reclosing command is to inductive switch open or close, alternatively, being divided according to the remote control
Lock, remote control reclosing command control all switch open or closes, alternatively, according to the protection separating brake, protection reclosing command
Control all switch open or closes.
Optionally, the acquisition module is also used in the control module according to the accidentally separating brake protection reclosing command control
It corresponds to after closing the switch, accidentally the electric characteristics of the combined floodgate driving circuit of separating brake switch and the accidentally separating brake are opened for acquisition again
The location information of pass, and the electric characteristics of the combined floodgate driving circuit of the accidentally separating brake switch and the accidentally separating brake are switched
Location information be sent to the protective module through the central processing unit；
The protective module is also used to electric characteristics and the institute of the combined floodgate driving circuit according to the accidentally separating brake switch
The location information for stating accidentally separating brake switch judges whether all accidentally separating brake switch closing success, if occurring any one of
Accidentally separating brake switch closes a floodgate failed, then generates accidentally separating brake protection separating brake instruction, and by the accidentally separating brake protection separating brake instruction and sentence
Disconnected result is sent to the central processing unit；
The mistake separating brake protection separating brake instruction that the central processing unit is also used to will acquire is sent to the control module, root
It is latched circuit-breaker switching on-off according to the judging result, and the status information for being latched circuit-breaker switching on-off is sent to through communication module
Direct current protecting device and direct current measure and control device；
The control module is also used to be disconnected according to all switches of the accidentally separating brake protection separating brake instruction control.
Second aspect, the embodiment of the invention also provides a kind of breaker centralized control systems, including such as above-mentioned first aspect institute
The breaker centralized control equipment stated.
Optionally, further include direct current protecting device, connect with the breaker centralized control equipment, direct current protecting device is according to certainly
Body relay protective scheme generates protection separating brake, protection reclosing command, and protection separating brake, protection reclosing command are sent to the breaker
Centralized control equipment realizes that the protection separating brake to breaker, protection close a floodgate.
Optionally, further include direct current measure and control device, connect with the breaker centralized control equipment, for being grasped according to user's control
Make to generate the remote control separating brake, remote control reclosing command, and the remote control separating brake, remote control reclosing command are sent to the breaker
Centralized control equipment realizes that the remote control separating brake to breaker, remote control close a floodgate.
The third aspect, the embodiment of the invention also provides a kind of breakers to miss separating brake guard method, using such as above-mentioned first
Breaker centralized control equipment described in aspect is implemented, which misses separating brake guard method and include:
The central processing unit receives the protection separating brake from the external dc protective device by communication module, protects
Reclosing command is protected, receives the remote control separating brake, remote control reclosing command from the external dc measure and control device, and the protection is divided
Lock, protection close a floodgate, remote control separating brake, remote control reclosing command are sent to the protective module and the control module；
The control module is closed a floodgate according to the protection separating brake, protection, remote control separating brake, remote control reclosing command control all institutes
Switch is stated to open or close；
The acquisition module acquire the electric characteristics of the separating brake driving circuit of each switch in the breaker with
And the location information of each switch, and the location information of the electric characteristics of the separating brake driving circuit and the switch is passed through
The central processing unit is sent to the protective module；
The protective module is according to the electric characteristics of the separating brake driving circuit and the location information of the switch, Yi Jiyou
The external dc protective device generates the protection separating brake instruction letter that the protective module is input to through the central processing unit
The remote control separating brake command information that the protective module is input to through the central processing unit that breath, direct current measure and control device generate,
It carries out missing the differentiation of separating brake relay protective scheme, and separating brake protection differentiation result will be missed and miss separating brake, reclosing command is protected to pass in described
Central Processing Unit；
The central processing unit obtains the accidentally separating brake protection that protective module generates and differentiates result and accidentally separating brake protection
Reclosing command, and the accidentally separating brake protection reclosing command is sent to the control module；
The control module is closed the switch according to the accidentally separating brake protection reclosing command control correspondence.
Optionally, after the control module is closed the switch according to reclosing command control is corresponding, further includes:
The acquisition module acquires the electric characteristics and the mistake of the accidentally combined floodgate driving circuit of separating brake switch again
The location information of separating brake switch, and the electric characteristics of the combined floodgate driving circuit of the accidentally separating brake switch and the mistake are divided
The location information of lock switch is sent to the protective module through the central processing unit；
The protective module is divided according to the electric characteristics and the mistake of the combined floodgate driving circuit of the accidentally separating brake switch
The location information of lock switch judges whether all accidentally separating brake switch closing success, if there is any one of accidentally separating brake
Switch closes a floodgate not successfully, then generates accidentally separating brake protection separating brake instruction, and the accidentally separating brake is protected separating brake instruction and judging result
It is sent to the central processing unit；
The mistake separating brake protection separating brake instruction that the central processing unit obtains is sent to the control module, is sentenced according to described
Disconnected result is latched circuit-breaker switching on-off, and the status information for being latched circuit-breaker switching on-off is sent to communication module；
The control module is disconnected according to all switches of the accidentally separating brake protection separating brake instruction control.
The status information for being latched circuit-breaker switching on-off is sent to direct current protecting device and direct current observing and controlling by the communication module
Device.
Optionally, the protective module determines that the accidentally separating brake switch all closes a floodgate, it is determined that accidentally separating brake corrects successfully.
In breaker centralized control equipment provided in an embodiment of the present invention, multiple drive modules and multiple switch are corresponded, and are adopted
Collect module acquisition separating brake, the electrology characteristic of combined floodgate driving unit, corresponding position of the switch status information, direct current protecting device passes through logical
Believe that module transmitting protection separating brake, protection combined floodgate information, external dc measure and control device transmit remote control separating brake, remote control by communication module
Combined floodgate information, protective module is according to the electrology characteristic of separating brake driving unit, corresponding position of the switch status information and external dc
The remote control separating brake of measure and control device, combined floodgate command information judge that inductive switch whether occurs accidentally separating brake situation, and judging result are passed
It send to central processing unit, if there is accidentally separating brake situation, control instruction is sent to control module, control by central processing unit
Module control combined floodgate driving unit will close the switch.The embodiment of the present invention passes through central processing unit, acquisition module, communication mould
Block, control module, protective module are precisely controlled breaker, when there is the case where accidentally separating brake in breaker, protective module
Judged by the information that communication module and acquisition module transmission come, and judging result is sent to central processing unit, it is logical
Control module is crossed to realize to the closing operation that accidentally separating brake switchs.Loss caused by reducing breaker due to there is accidentally separating brake, is protected
The safe and reliable operation of DC transmission system is demonstrate,proved.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of breaker provided in an embodiment of the present invention.
Fig. 2 is breaker centralized control system structural schematic diagram provided in an embodiment of the present invention.
Fig. 3 is the flow diagram that breaker provided in an embodiment of the present invention misses separating brake guard method.
Specific embodiment
The technical issues of to solve this practical example, the technical solution of use and the technical effect that reaches are more clear
Chu, below with reference to the accompanying drawings and specific embodiments to further illustrate the technical scheme of the present invention.It is understood that this
Locate described specific embodiment to be used only for explaining the present invention rather than limiting the invention.It also should be noted that
For ease of description, only some but not all contents related to the present invention are shown in the drawings.Show being discussed in greater detail
It should be mentioned that some exemplary embodiments are described as the processing described as flow chart or side before example property embodiment
Method.Although operations (or step) are described as the processing of sequence by flow chart, many of these operations can be parallel
Ground concomitantly or is simultaneously implemented.In addition, the sequence of operations can be rearranged.The place when its operations are completed
Reason can be terminated, it is also possible to have the additional step being not included in attached drawing.The processing can correspond to method, letter
Number, regulation, subroutine, subprogram etc..
Fig. 1 is breaker module structural schematic diagram provided in an embodiment of the present invention, as shown in Figure 1, breaker centralized control equipment
Including acquisition module 2, control module 3, protective module 4, communication module 5 and central processing unit 1, central processing unit 1 with
Acquisition module 2, control module 3, protective module 4, communication module 5 connect；
The separating brake driving circuit 8 of multiple switch 10 and each switch 10 in acquisition module 2 and breaker 16 and drive of closing a floodgate
Dynamic circuit 9 connects；Acquisition module 2 is for acquiring the electric characteristics of the separating brake driving circuit 8, combined floodgate driving circuit 9 and opening
10 location information is closed, and by the location information of separating brake driving circuit 8, the electric characteristics of combined floodgate driving circuit 9 and switch 10
Protective module 4 is sent to through central processing unit 1；
Communication module 5 is connect with external dc protective device 6 and external dc measure and control device 7, for realizing communication module 5
With the communication between external dc protective device 6 and external dc measure and control device 7；
Protective module 4 is used for the position according to separating brake driving circuit 8, the electric characteristics of combined floodgate driving circuit 9 and switch 10
Information, and the protection separating brake for being input to protective module 4 through central processing unit 1 is generated by external dc protective device 6 and is instructed
The remote control separating brake command information that protective module 4 is input to through central processing unit 1 that information, direct current measure and control device 7 generate, carries out
Accidentally separating brake relay protective scheme differentiation, and separating brake will be missed and protected and differentiate result and miss separating brake protection separating brake, miss separating brake protection reclosing command
Pass to central processing unit 1；
Central processing unit 1 is used to obtain and the various information of centralized dispatching modules；It obtains protective module 4 and misses separating brake
It protects and differentiates result and accidentally separating brake protection separating brake, accidentally separating brake protection reclosing command, it will accidentally separating brake protection separating brake, accidentally separating brake protection conjunction
Lock instruction is sent to control module 3, alternatively, the remote control separating brake of the acquisition reception input of external dc measure and control device 7 of communication module 5,
It is remotely controlled reclosing command, and remote control divide-shut brake control instruction is sent to control module 3, alternatively, obtaining communication module 5 receives outside
Protection separating brake, the protection reclosing command of the input of direct current protecting device 6, and separating brake, protection reclosing command will be protected to be sent to control
Module 3；
Separating brake driving circuit 8, the combined floodgate driving circuit 9 respectively switched in control module 3 and breaker 16 is connect, and is used for basis
Accidentally separating brake protection separating brake, accidentally separating brake protection reclosing command control to 10 open or close of inductive switch, alternatively, according to remote control separating brake,
It is remotely controlled reclosing command and controls all 10 open or closes of switch, alternatively, controlling all open according to protection separating brake, protection reclosing command
Close 10 open or closes.
When switch 10 needs to be implemented sub-switching operation, direct current measure and control device 7 generates remote control separating brake control instruction, passes through communication
Module 5 is transmitted in central processing unit 1, sends control module to for separating brake control instruction is remotely controlled by central processing unit 1
3, control separating brake driving circuit 8 disconnects switch 10；When switch 10 needs to be implemented closing operation, direct current measure and control device 7 is generated
It is remotely controlled shutting-brake control instruction, is transmitted in central processing unit 1 by communication module 5, is closed remote control by central processing unit 1
Lock control instruction sends control module 3 to, and switch 10 is closed by control combined floodgate driving circuit 9.It is protected when direct current protecting device 6 generates
When protecting separating brake control instruction, separating brake control instruction will be protected to be transmitted in central processing unit 1 by communication module 5, in
Central Processing Unit 1 will protect separating brake control instruction to send control module 3 to, and control separating brake driving circuit 8 disconnects switch 10；When
When direct current protecting device 6 generates protection shutting-brake control instruction, shutting-brake control instruction will be protected to be transmitted to center by communication module 5
In processing unit 1, shutting-brake control instruction will be protected to send the control combined floodgate of control module 3 to by central processing unit 1 and driven back
Road 9 will close the switch.Acquisition module 2 carries out location information acquisition to the multiple switch 10 in breaker 16, and acquires each
Electric characteristics in the corresponding separating brake driving circuit 8 of switch 10, electric characteristics refer to separating brake capacitor C in separating brake driving circuit 81Two
The separating brake driving voltage at end, and the information of acquisition is sent to protective module 4, direct current measure and control device 7 by central processing unit
Separating brake instruction will be remotely controlled by communication module 5 and sends protective module 4 to by central processing unit 1, and protective module 4 judges direct current
Whether measure and control device 7 has sent the instruction of remote control separating brake or whether direct current protecting device 6 has sent protection separating brake instruction, and judgement is opened
Close whether 10 be quartile and correspond to whether separating brake driving voltage declines, if direct current measure and control device does not send remote control separating brake instruction
And direct current protecting device 6 does not have sent protection separating brake instruction, and switch 10 is quartile and corresponding separating brake driving voltage declines,
Then judge that accidentally separating brake situation has occurred in switch 10.After protective module 4 judges that accidentally separating brake occurs for switch 10, information and mistake will be judged
Separating brake protection reclosing command sends central processing unit 1 to, will accidentally separating brake protection reclosing command transmission via central processing unit 1
To control module 3, controlling combined floodgate driving circuit 9 will accidentally separating brake switch 10 be closed.
Compared with the prior art, in switch 10 accidentally separating brake feelings occur for the control device of breaker provided in an embodiment of the present invention
When condition, can accurately it be differentiated by protective module 4, and utilize direct current measure and control device 7, direct current protecting device 6, central processing unit
1, control module 3, protective module 4,9 pairs of the combined floodgate driving circuit switches 10 that accidentally separating brake occurs carry out combined floodgate processing, are swift in response,
It is easy to operate, loss of breaker in the case where accidentally separating brake is reduced, guarantees the safe and reliable operation of DC transmission system.
Optionally, acquisition module 2 is also used in control module 3 according to accidentally separating brake protection reclosing command control to inductive switch 10
After closure, the electric characteristics of the acquisition combined floodgate driving circuit 9 that accidentally separating brake switchs and the accidentally location information of separating brake switch 10 again,
And by the accidentally electric characteristics of the combined floodgate driving circuit 9 of separating brake switch 10 and the location information of separating brake switch 10 is missed through central processing
Unit 1 is sent to protective module 4；
Protective module 4 is also used to according to the accidentally electric characteristics of the combined floodgate driving circuit 9 of separating brake switch and accidentally separating brake switch 10
Location information, judge whether wrong 10 closing success of separating brake switch of institute, if occurring any one misses the combined floodgate of separating brake switch 10 not
Success then generates accidentally separating brake protection separating brake instruction, and the accidentally instruction of separating brake protection separating brake and judging result is sent to central processing
Unit 1；
The mistake separating brake protection separating brake instruction that central processing unit 1 is also used to will acquire is sent to control module 3, according to judgement
As a result it is latched 16 divide-shut brake of breaker, and the status information for being latched circuit-breaker switching on-off is sent to direct current through communication module 5 and is protected
Protection unit 6 and direct current measure and control device 7；
Control module 3 is also used to control all switches 10 according to accidentally separating brake protection separating brake instruction and disconnect.
After carrying out closed procedure to the switch 10 that accidentally separating brake occurs, acquisition module 2 will also acquire the position of the switch 10
The electric characteristics of information and the corresponding combined floodgate driving circuit 9 of switch 10, and via central processing unit 1 by the acquisition information
Be sent to protective module 4 verify the switch 10 it is whether closed, if the corresponding position of switch 10 is not coincidence or combined floodgate
Driving voltage does not decline, then it is assumed that and switch 10 closes a floodgate not successfully, and protective module 4 generates accidentally separating brake protection separating brake instruction, via
Central processing unit 1 is sent to control module 3, all switches 10 in cut-off breaker 16.
Compared with the prior art, in switch 10 accidentally separating brake occurs for the control device of breaker provided by the embodiment of the present invention
And after making corresponding measure to mistake separating brake switch 10, the mistake separating brake switch 10 will also be detected, to ensure that the mistake separating brake is opened
Pass is closed, further removes a hidden danger, if detecting the mistake separating brake switch 10, when being closed as required, it will disconnects electricity
All switches 10 in the system of road, to guarantee the safety of circuit system.
Fig. 2 is breaker centralized control system structural schematic diagram provided in an embodiment of the present invention, as shown in Fig. 2, breaker collection control
System, including breaker centralized control equipment as described above.
Optionally, breaker centralized control system includes direct current protecting device 6, direct current protecting device 6 and breaker centralized control equipment
11 connections, direct current protecting device 6 protect separating brake, protection reclosing command according to the generation of autoprotection logic, and will protection separating brake, guarantor
Shield reclosing command is sent to breaker centralized control equipment 11, realizes that the protection separating brake to breaker 16, protection close a floodgate.
Direct current protecting device 6 generates protection according to the logic of itself in the case where overload, overcurrent, short circuit occur for circuit
Separating brake, protection reclosing command, disconnection, closed procedure by the realization of breaker centralized control equipment 11 to breaker 16.It can be realized
The circuit protection of situations such as normal circuit overloads, overcurrent, short circuit, promotes the safety of circuit system.
Optionally, breaker centralized control system further includes direct current measure and control device 7, connect, is used for breaker centralized control equipment 11
It is operated according to user's control and generates remote control separating brake, remote control reclosing command, and remote control separating brake, remote control reclosing command are sent to open circuit
Device centralized control equipment 11 realizes that the remote control separating brake to breaker 16, remote control close a floodgate.
Direct current measure and control device 7 can be generated remote control separating brake, remote control reclosing command by manual operation, and the instruction is sent to
Breaker centralized control equipment 11 realizes the automation control of breaker 16, can change the state of breaker 16 at any time, easy to operate
It is convenient.
Fig. 3 is the flow diagram that breaker provided in an embodiment of the present invention misses separating brake guard method, which accidentally divides
Lock guard method uses breaker centralized control equipment embodiment provided in an embodiment of the present invention, protects as shown in figure 3, breaker misses separating brake
Maintaining method specifically includes as follows:
S101, central processing unit are by communication module from external dc protective device receives protection separating brake, protection is closed a floodgate
Instruction receives remote control separating brake from external dc measure and control device, is remotely controlled reclosing command, and protection separating brake, protection are closed a floodgate, is remotely controlled and divides
Lock, remote control reclosing command are sent to protective module and control module.
Control module can close a floodgate according to protection separating brake, protection, remote control separating brake, all switches of remote control reclosing command control are beaten
On or off is closed.
The electric characteristics of the separating brake driving circuit respectively switched in S102, acquisition module acquisition breaker and the position respectively switched
Confidence breath, and the location information of the electric characteristics of separating brake driving circuit and switch is sent to protection mould through central processing unit
Block.
It should be noted that by the electric characteristics of acquisition driving circuit, the state of auxiliary confirmation switch promotes judgement and misses
The accuracy of separating brake.
S103, protective module are straight according to the electric characteristics of separating brake driving circuit and the location information of switch, and by outside
Stream protective device generates and is input to the protection separating brake command information of protective module through central processing unit, direct current measure and control device generates
The remote control separating brake command information that protective module is input to through central processing unit, carry out accidentally separating brake relay protective scheme differentiate, and will
Accidentally separating brake protection differentiates result and accidentally separating brake protection reclosing command passes to central processing unit.S104, central processing unit obtain
The mistake separating brake protection for fetching protection module generation differentiates result and accidentally separating brake protection reclosing command, and accidentally will protect reclosing command by separating brake
It is sent to control module.
S105, control module are closed the switch according to accidentally separating brake protection reclosing command control correspondence.
When accidentally separating brake situation occurs in judgement, protective module generates accidentally separating brake and protects reclosing command, does to accidentally separating brake switch
Treatment measures out timely make quick response, timely protective breaker itself to accidentally separating brake situation, reduce accidentally separating brake situation pair
The influence of entire circuit.
S106, acquisition module acquire the accidentally electric characteristics of the combined floodgate driving circuit of separating brake switch and accidentally separating brake switch again
Location information, and will accidentally separating brake switch combined floodgate driving circuit electric characteristics and accidentally separating brake switch location information warp in
Central Processing Unit is sent to protective module.
S107, protective module are switched according to the accidentally electric characteristics of the combined floodgate driving circuit of separating brake switch and accidentally separating brake
Location information judges whether institute's wrong separating brake switch closing success, if occur any one of accidentally separating brake switch close a floodgate not at
Function then generates accidentally separating brake protection separating brake instruction, and the accidentally separating brake protection separating brake instruction and judging result is sent in described
Central Processing Unit.When control module is according to accidentally separating brake protection shutting-brake control instruction, control combined floodgate driving circuit is by corresponding switch
After closure, the conjunction at combined floodgate capacitor both ends in the position of the switch of the corresponding accidentally separating brake switch of acquisition module acquisition and combined floodgate driving circuit
Lock driving voltage, the switch that accidentally separating brake occurs for verifying is closed, if switch for coincidence or combined floodgate driving voltage not under
Drop, then accidentally separating brake protection failure, protective module generate accidentally separating brake protection separating brake instruction, are sent to control via central processing unit
Module.
The mistake separating brake protection separating brake instruction that S108, central processing unit will acquire is sent to control module, is tied according to judgement
Fruit is latched circuit-breaker switching on-off, and the status information for being latched circuit-breaker switching on-off is sent to communication module.
S109, control module control all switches according to accidentally separating brake protection separating brake instruction and disconnect, and communication module is disconnected by locking
The status information of road device divide-shut brake is sent to direct current protecting device and direct current measure and control device.
Protective module determines that the accidentally separating brake switch all closes a floodgate, it is determined that accidentally separating brake corrects successfully.
After to accidentally separating brake situation performs corresponding processing, then disposition is determined, ensure that accidentally separating brake situation
Thorough exclusion, promoted protection efficiency.
It illustrates, in circuit system, if synchronization single switch occurs and misses separating brake, which is closed
Conjunction is considered as accidentally separating brake and protects successfully, is otherwise considered as accidentally separating brake protection failure.If multiple switch, which occurs, in synchronization misses separating brake,
Each switch is closed, is just considered as accidentally separating brake and protects successfully, if occurring any one closes the switch failure, be all considered as and accidentally divide
Lock protection failure.
Note that above are only the preferred embodiment and institute's application technology principle of invention.It will be appreciated by those skilled in the art that hair
It is bright to be not limited to specific embodiment described here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
The protection scope for adjusting, be combineding with each other and substituting without departing from invention.Therefore, although being carried out by above embodiments to invention
It is described in further detail, but invention is not limited only to above embodiments, it, can be in the case where not departing from inventive concept
Including more other equivalent embodiments, and the range invented is determined by the scope of the appended claims.
Claims (8)
1. a kind of breaker centralized control equipment characterized by comprising acquisition module, control module, protective module, communication module
And central processing unit, the central processing unit and the acquisition module, control module, protective module, communication module connect
It connects；
The separating brake driving circuit of multiple switch and each switch in the acquisition module and the breaker and drive of closing a floodgate
Dynamic circuit connection；The acquisition module is for acquiring the separating brake, the electric characteristics of combined floodgate driving circuit and the switch
Location information, and by the location information of the separating brake, the electric characteristics of combined floodgate driving circuit and the switch through the center
Processing unit is sent to the protective module；
The communication module is connect with external dc protective device and external dc measure and control device, for realizing the communication module
With the communication between the external dc protective device and the external dc measure and control device；
The protective module is used for the location information according to the separating brake, the electric characteristics of combined floodgate driving circuit and the switch,
And the protection separating brake that the protective module is input to through the central processing unit is generated by the external dc protective device
The remote control separating brake for being input to the protective module through the central processing unit that command information, direct current measure and control device generate instructs
Information carries out accidentally separating brake relay protective scheme and differentiates, and accidentally separating brake protection will differentiate result and accidentally separating brake protection separating brake, accidentally separating brake protection
Reclosing command passes to the central processing unit；
The central processing unit is used to obtain and the various information of centralized dispatching modules；The protective module is obtained accidentally to divide
Lock protection differentiation result and accidentally separating brake protection separating brake, accidentally separating brake protects reclosing command, misses separating brake protection separating brake, accidentally separating brake for described
Protection reclosing command is sent to the control module, alternatively, obtaining the communication module receives the input of external dc measure and control device
Remote control separating brake, remote control reclosing command, and the remote control divide-shut brake control instruction is sent to the control module, alternatively, obtaining
The communication module is taken to receive the protection separating brake of external dc protective device input, protection reclosing command, and by the guarantor
Shield separating brake, protection reclosing command are sent to the control module；
Separating brake, the combined floodgate driving circuit respectively switched in the control module and the breaker is connect, for according to the mistake point
Lock protects separating brake, accidentally the control of separating brake protection reclosing command is to inductive switch open or close, alternatively, according to the remote control separating brake, distant
It controls reclosing command and controls all switch open or closes, alternatively, controlling institute according to the protection separating brake, protection reclosing command
There is the switch open or close.
2. breaker centralized control equipment according to claim 1, which is characterized in that
The acquisition module is also used to close inductive switch according to the accidentally separating brake protection reclosing command control in the control module
After conjunction, acquisition misses the electric characteristics of the combined floodgate driving circuit of separating brake switch and the position letter of the accidentally separating brake switch again
Breath, and by it is described accidentally separating brake switch the combined floodgate driving circuit electric characteristics and it is described accidentally separating brake switch location information
The protective module is sent to through the central processing unit；
The protective module is also used to the electric characteristics and the mistake of the combined floodgate driving circuit according to the accidentally separating brake switch
The location information of separating brake switch judges whether all accidentally separating brake switch closing success, if there is any one of mistake point
Lock switch closes a floodgate not successfully, then generates accidentally separating brake protection separating brake instruction, and protect separating brake instruction and judgement to tie the accidentally separating brake
Fruit is sent to the central processing unit；
The mistake separating brake protection separating brake instruction that the central processing unit is also used to will acquire is sent to the control module, according to institute
Judging result locking circuit-breaker switching on-off is stated, and the status information for being latched circuit-breaker switching on-off is sent to direct current through communication module
Protective device and direct current measure and control device；
The control module is also used to be disconnected according to all switches of the accidentally separating brake protection separating brake instruction control.
3. a kind of breaker centralized control system, which is characterized in that including breaker centralized control equipment of any of claims 1 or 2.
4. breaker centralized control system according to claim 3, which is characterized in that it further include direct current protecting device, and it is described
The connection of breaker centralized control equipment, direct current protecting device generate protection separating brake, protection reclosing command according to autoprotection logic, and will
Protection separating brake, protection reclosing command are sent to the breaker centralized control equipment, realize that the protection separating brake to breaker, protection close
Lock.
5. breaker centralized control system according to claim 4, which is characterized in that it further include direct current measure and control device, and it is described
The connection of breaker centralized control equipment, for generating the remote control separating brake, remote control reclosing command according to user's control operation, and will be described
Remote control separating brake, remote control reclosing command are sent to the breaker centralized control equipment, realize that the remote control separating brake to breaker, remote control close
Lock.
6. a kind of breaker misses separating brake guard method, implemented using the described in any item breaker centralized control equipments of claim 1-2,
It is characterised by comprising:
The central processing unit is by communication module from the external dc protective device receives the protection separating brake, protection is closed
Lock instruction receives the remote control separating brake from the external dc measure and control device, is remotely controlled reclosing command, and by the protection separating brake,
Protection is closed a floodgate, remote control separating brake, remote control reclosing command are sent to the protective module and the control module；
The control module closes a floodgate according to the protection separating brake, protection, remote control separating brake, remote control reclosing command control are all described opens
Pass opens or closes；
The acquisition module acquires in the breaker electric characteristics of the separating brake driving circuit of each switch and each
The location information of the switch, and will be described in the location information of the electric characteristics of the separating brake driving circuit and switch warp
Central processing unit is sent to the protective module；
The protective module is according to the electric characteristics of the separating brake driving circuit and the location information of the switch, and by described
External dc protective device generates the protection separating brake command information, straight that the protective module is input to through the central processing unit
The remote control separating brake command information for being input to the protective module through the central processing unit that measure and control device generates is flowed, is missed
Separating brake relay protective scheme differentiates, and differentiates result and miss separating brake protection reclosing command accidentally separating brake protection and pass to the central processing
Unit；
The central processing unit obtains the separating brake that misses that protective module generates and protects differentiation result and accidentally separating brake protection combined floodgate
Instruction, and the accidentally separating brake protection reclosing command is sent to the control module；
The control module is closed the switch according to the accidentally separating brake protection reclosing command control correspondence.
7. breaker according to claim 6 misses separating brake guard method, which is characterized in that the control module is according to
After reclosing command control correspondence closes the switch, further includes:
The acquisition module acquires the accidentally electric characteristics of the combined floodgate driving circuit of separating brake switch and the accidentally separating brake again
The location information of switch, and the electric characteristics of the combined floodgate driving circuit of the accidentally separating brake switch and the accidentally separating brake are opened
The location information of pass is sent to the protective module through the central processing unit；
The protective module is opened according to the electric characteristics and the accidentally separating brake of the combined floodgate driving circuit of the accidentally separating brake switch
The location information of pass judges whether all accidentally separating brake switch closing success, if there is any one of accidentally separating brake switch
It closes a floodgate failed, then generates accidentally separating brake protection separating brake instruction, and the accidentally separating brake protection separating brake instruction and judging result are sent
To the central processing unit；
The mistake separating brake protection separating brake instruction that the central processing unit obtains is sent to the control module, is tied according to the judgement
Fruit is latched circuit-breaker switching on-off, and the status information for being latched circuit-breaker switching on-off is sent to communication module；
The control module is disconnected according to all switches of the accidentally separating brake protection separating brake instruction control.
The status information for being latched circuit-breaker switching on-off is sent to direct current protecting device and direct current measure and control device by the communication module.
8. the mistake separating brake guard method of breaker according to claim 7, which is characterized in that the protective module determines institute
It states accidentally separating brake switch all to close a floodgate, it is determined that accidentally separating brake corrects successfully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726303.4A CN110445101B (en) | 2019-08-07 | 2019-08-07 | Circuit breaker centralized control device and circuit breaker mis-opening protection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726303.4A CN110445101B (en) | 2019-08-07 | 2019-08-07 | Circuit breaker centralized control device and circuit breaker mis-opening protection method |
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| CN110445101A true CN110445101A (en) | 2019-11-12 |
| CN110445101B CN110445101B (en) | 2021-06-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515921A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Online protection circuit of high-voltage breaker opening/closing coil and protection method thereof |
| CN203537065U (en) * | 2013-09-09 | 2014-04-09 | 上海天正机电(集团)有限公司 | Connection cooperation circuit for microcomputer protective device and dry-contact breaker |
| CN208174361U (en) * | 2018-03-16 | 2018-11-30 | 珠海康晋电气股份有限公司 | Anti-misoperation locking circuit and automatic power distribution system |
-
2019
- 2019-08-07 CN CN201910726303.4A patent/CN110445101B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203537065U (en) * | 2013-09-09 | 2014-04-09 | 上海天正机电(集团)有限公司 | Connection cooperation circuit for microcomputer protective device and dry-contact breaker |
| CN103515921A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Online protection circuit of high-voltage breaker opening/closing coil and protection method thereof |
| CN208174361U (en) * | 2018-03-16 | 2018-11-30 | 珠海康晋电气股份有限公司 | Anti-misoperation locking circuit and automatic power distribution system |
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|---|---|
| CN110445101B (en) | 2021-06-29 |
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