CN205484589U - Overload protection device checkback auxiliary and monitoring system - Google Patents
Overload protection device checkback auxiliary and monitoring system Download PDFInfo
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- CN205484589U CN205484589U CN201620030476.4U CN201620030476U CN205484589U CN 205484589 U CN205484589 U CN 205484589U CN 201620030476 U CN201620030476 U CN 201620030476U CN 205484589 U CN205484589 U CN 205484589U
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Abstract
The embodiment of the utility model provides an overload protection device checkback auxiliary and monitoring system relates to substation operation and overhauls the equipment field, and checkback auxiliary includes: mimic -disconnecting switch and treater, the mimic -disconnecting switch includes first relay group and second relay group, first relay group with the second relay group all with the protective apparatus coupling, the treater respectively with first relay group with the coupling of second relay group, first relay group is used for receiving the switching signal of protective apparatus output, according to combined floodgate signal output operating position extremely the processo. The second relay group is used for receiving the tripping operation signal of protective apparatus output, according to tripping operation signal output tripping operation state extremely the treater avoids directly using circuit breaker in the transformer substation to influence reliability of power supply's defect.
Description
Technical field
This utility model relates to substation operation repair apparatus field, in particular to one
Plant protective relaying device verification auxiliary equipment and monitoring system.
Background technology
According to the requirement of Protection Technology supervision, the backup auto-activating device of new operation, low frequency are low
Pressure load-shedding equipment, the peace such as bus protection and main transformer protection device is from equipment, the determining of protection device
Phase is checked, it is necessary to qualified through belt switch transmission test, to guarantee reliability and the outside of device
The correctness in loop.So that it is guaranteed that after equipment disconnects because of failure and other reasons, device can
Correct operation, it is ensured that electrical network safe and reliable.Meanwhile, according to the convention of reaying protection test,
Before doing switch transmission test, to be first simulated test, it is ensured that device itself is reliable to carry
High test efficiency, can also reduce breaker actuation number of times, with beneficially primary equipment simultaneously
Safe operation.
Presently, there are problem: the test of (1) backup auto-activating device is except the analog quantity of voltage x current
Outside, in addition it is also necessary to relate to the intake of the position of each chopper and the variable quantity of position thereof,
General test in capital construction be use the physical location of chopper carry out opening into and transmission,
But the regular inspection under chopper normal operating condition after transformer station's reorganization and expansion, technological transformation and operation
Test, or set up backup auto-activating device in the transformer station run, it is contemplated that power supply can
By property, cannot be carried out transmission test at all, and need many people to coordinate when carrying out device inspection,
And coordinate difficulty.And not carrying out transmission, then the logic of backup auto-activating device and loop thereof is reliable
Property, correctness cannot ensure；(2) bus protection, the tripping operation of low-frequency low-voltage load shedding device go out
Mouth is more, has according to different types of trip protection outlet order after first having, and when regular inspection
Can not belt fuser transmission test, when whether checking outlet correct, owing to Outlet time is solid
Fixed, it is difficult to the correctness of checking outlet；(3) during main transformer backup protection regular inspection, outlet junctions is relatively
Many, relate to jump low segmentation, jump this side, jump three sides and locking prepared auto restart, little water cut by connection
Electricity etc. multiple outlet junctions, only measured by circuit tester before transmission test at present or
The On-off signal utilizing protective calibration instrument is verified, complicated and loaded down with trivial details in proof procedure,
The progressively checking of each contact is carried out, so in anxiety after needing to carry out repeatedly protection act
Inefficiency in regular inspection and technological transformation work, repeatedly measures on sealer terminal and wrong encounters
Run unit trip loop risk, cause operation equipment to be forced the risk having a power failure.(4) and
Cquipment for periodic inspection after power failure can run into problems with: 1, repeat total group test, high pressure open circuit
Device breaker tripping and closing test action repeatedly, shortens the primary cut-out life-span, to primary cut-out machinery
Structure brings mechanical fatigue；2, year prerun regular inspection, Commissioning of Relay Protection personnel and Gao break
Road device maintainer simultaneously contention primary cut-out, the staff of examination and repair for high-pressure chopper and
Protective relaying device commissioning staff can only upkeep operation in turn, be usually and first allow examination and repair for high-pressure break
The staff of road device is by after good for repairing high-voltage breaker, and protective relaying device commissioning staff is again
Debugging protective relaying device, result extends power circuit power off time, inefficiency.
Based on case above, in peace in, the inspection of protection device and technological transformation, in order to verify
Protection whole group of transmission simulation experiment of equipment belt chopper, but do not interfere with the reliability of power supply,
Highly desirable have a kind of portable instrument high voltage breaker simulator state.A kind of relay of design at this
Protection device verification auxiliary equipment and monitoring system, verify auxiliary equipment with protective relaying device
High voltage breaker simulator state, accepts the breaker tripping and closing order that protective relaying device is sent, permissible
Play how to solve power supply reliability and respectively haul oneself willingly into, the peace self-shield equipment test such as bus protection
Between contradictory relation, also can bus protection, prepared auto restart and main transformer backup protection test in
The correctness in accurate validation loop, and mimic-disconnecting switch deciliter state is indicated and carry out remotely,
Be integrated in man machine interface monitor, make testing crew easily judge protection act correctness and
Reliability, alleviates the workload of staff, improves work efficiency.
Utility model content
The purpose of this utility model be to provide a kind of protective relaying device verification auxiliary equipment and
Monitoring system, to solve above-mentioned problem.
First aspect, a kind of protective relaying device verification that this utility model embodiment provides is auxiliary
Help equipment, be applied to the monitoring of transforming plant protecting device, including: mimic-disconnecting switch and process
Device, described mimic-disconnecting switch includes the first relay group and the second relay group, described first
Relay group and described second relay group all couple with described protection equipment, described processor
Couple with described first relay group and described second relay group respectively.
Second aspect, this utility model embodiment provides the monitoring of a kind of protective relaying device
System, including the verification auxiliary equipment described in main processing block and above-mentioned first aspect, described
Protection equipment and described verification coupling auxiliary devices, described verification auxiliary equipment and described main place
Reason module coupling.
This utility model embodiment, by mimic-disconnecting switch replace in substation network true
Chopper, receives the switching signal of protection equipment output, according to conjunction by the first relay group
Lock signal output "on" position is to described processor, and therefore, the first relay group can respond
Switching signal, and export "on" position, processor monitors whether to have received "on" position, if
Have received, illustrate protection equipment possess loop correctness and protection equipment reliability higher,
Such as, protection equipment according to external control need export switching signal to chopper, if process
Device receives "on" position, shows that protection equipment has responded external control signal, then protects equipment
Reliability meet requirement.
In like manner, the trip signal of protection equipment output is received by the second relay, according to jumping
Lock signal output tripped condition is to described processor, and processor monitors whether to have received tripping operation shape
State, if having received, illustrates that protection equipment possesses loop correctness and the reliability of protection equipment
Higher.
Therefore, correct with the loop by true chopper checking protection equipment of prior art
Property compare with reliability, it is to avoid directly use the reliable of chopper impact power supply in transformer station
The defect of property.
Other feature and advantage of the present utility model will illustrate in description subsequently, and,
Partly become apparent from description, or by implementing this utility model embodiment
Understand.The purpose of this utility model and other advantages can be by the description write, rights
Structure specifically noted in claim and accompanying drawing realizes and obtains.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical side of the prior art
Case, will be briefly described the accompanying drawing used required in embodiment below, it is clear that
Ground, the accompanying drawing in describing below is only embodiments more of the present utility model, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.Shown in accompanying drawing, of the present utility model above-mentioned and
Its purpose, feature and advantage will become apparent from.Reference identical in whole accompanying drawings refers to
Show identical part.The most deliberately drawing accompanying drawing by actual size equal proportion scaling, emphasis exists
In illustrating purport of the present utility model.
Fig. 1 shows the monitoring of a kind of protective relaying device that this utility model embodiment provides
Systematic difference environment schematic；
Fig. 2 shows the module frame chart of the main processing block that this utility model embodiment provides；
Fig. 3 shows that a kind of protective relaying device verification that this utility model embodiment provides is auxiliary
Help the module frame chart of equipment；
Fig. 4 shows the circuit structure of the mimic-disconnecting switch that this utility model embodiment provides
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to this utility model embodiment
In technical scheme carry out clear, complete description, it is clear that described embodiment is only
It is a part of embodiment of this utility model rather than whole embodiments.New based on this practicality
Embodiment in type, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
According to the requirement of Protection Technology supervision, the backup auto-activating device of new operation, low frequency are low
Pressure load-shedding equipment, the peace such as bus protection and main transformer protection device is from equipment, the determining of protection device
Phase is checked, it is necessary to qualified through belt switch transmission test, to guarantee reliability and the outside of device
The correctness in loop.So that it is guaranteed that after equipment disconnects because of failure and other reasons, device can
Correct operation, it is ensured that electrical network safe and reliable.Meanwhile, according to the convention of reaying protection test,
Before doing switch transmission test, to be first simulated test, it is ensured that device itself is reliable to carry
High test efficiency, can also reduce breaker actuation number of times, with beneficially primary equipment simultaneously
Safe operation.
In order to avoid the loop by true chopper checking protection equipment of prior art is correct
Property and reliability in, directly use the impact on the reliability of power supply of the chopper in transformer station,
This utility model embodiment provides a kind of monitoring system, as it is shown in figure 1, described monitoring system
System is applied to the detection of the protection equipment of transformer station, and monitoring systematic difference environment includes: peace
The protection equipment 103 being contained in transforming plant net and primary cut-out 104, protect equipment
Delivery outlet be connected with tripping operation and the switching signal input of primary cut-out, primary cut-out
For affecting combined floodgate and the trip command of the output of protection equipment, and carry out closing a floodgate and trip dynamic
Make, the true chopper during wherein primary cut-out is electrical network.
Described monitoring system includes: the verification auxiliary equipment 101 of protective relaying device and main place
Reason module 102, described protection equipment and described verification coupling auxiliary devices, described verification is auxiliary
Equipment is helped to couple with described main processing block, it is preferable that described verification auxiliary equipment is with described
The signal input part of primary cut-out connects, and i.e. draws from the signal input part of primary cut-out
One branch circuit is connected with verification auxiliary equipment.
It addition, described verification auxiliary equipment may be mounted at the outdoor true high pressure of transformer station
At chopper, described main processing block is arranged in Control Room, verification auxiliary equipment and main place
Wireless network can be passed through, naturally it is also possible to select to use other communication mode between reason module
Connect.
Described verification auxiliary equipment is for receiving the switching signal of described protection equipment output, root
According to described switching signal output "on" position to described main processing block, receive described protection and set
The trip signal of standby output, according to described trip signal output tripped condition to described main process
Module；
The "on" position received and tripped condition are sent to user eventually by described main processing block
End shows.
Described verification auxiliary equipment from multiple relay coils and can coordinate with relay coil
The relay switch used and processor composition, such as, switching signal can make closing line
Circle energising so that with closing coil with the use of relay switch Guan Bi or open,
Owing to the Guan Bi of relay switch inevitably results in processor with described relay switch company
The change of the level of the port connect, therefore, processor changes according to the level of port will necessarily
The tripped condition representated by the change of level now gathered or "on" position, concrete reality
Mode of executing is explained by subsequent embodiment.
It addition, described verification auxiliary equipment can include multiple, concrete can be according to reality
Need checking protection device outlet number or actual substation network situation and select,
If including multiple, the most multiple verification auxiliary equipments all with described main processing block, each school
Test the position of the protection device that the installation site of auxiliary equipment is verified according to actual needs and determine
Fixed.
As it is shown in figure 1, described main processing block 102 can also be "on" position and tripping operation shape
State is sent to user terminal and shows.Wherein, it is many when described verification auxiliary equipment 101
Time individual, the corresponding installation site of each verification auxiliary equipment 101, described main processing block
102 can be corresponding according to the "on" position received and tripped condition and the state received
The installation site of verification auxiliary equipment 101, set up an emulating image, this image can
The circuit of actual transformer station and the installation site of each verification auxiliary equipment 101 are shown
Show, and can on this image combined floodgate or the trip condition of each verification auxiliary equipment 101 be entered
Row display, "on" position and tripped condition are passed through above-mentioned image by described main processing block 102
Form show on described user terminal.Wherein, described user terminal can include
Panel computer, smart mobile phone or having of other receive data and carry out the intelligence end shown
End.
As in figure 2 it is shown, main processing block 102 specifically may include that main control module 201,
First wireless module 202 and bluetooth module 203, main control module 201 respectively with the first nothing
Wire module 202 and bluetooth module 203 connect, and the first wireless module 202 receives verification auxiliary
The "on" position of equipment 101 output and tripped condition, send "on" position and tripped condition
To main control module 201, described main control module 201 is by the "on" position received and tripping operation
State processing is sent to bluetooth module 203, described bluetooth after becoming the display view data preset
Described display view data is sent to user terminal by blue tooth radio network by module 203.
Wherein, described first wireless module 202 can be 433M wireless module, the most also
It can be other the module possessing radio communication function.In addition, it is necessary to explanation, figure
Bluetooth module 203 in 2 can also have other communication module to replace, such as, and zigbee
Module etc..
As it is shown on figure 3, verification auxiliary equipment 101 includes: mimic-disconnecting switch 301, process
Device 302 and the second wireless module 303, described mimic-disconnecting switch 301 and described processor 302
Coupling, described processor 302 couples with described second wireless module 303；
Described mimic-disconnecting switch 301 includes the first relay group and the second relay group, described
First relay group and described second relay group all couple with described protection equipment 103, institute
State processor 302 to couple with described first relay group and described second relay group respectively.
Described first relay group is for receiving the combined floodgate letter of described protection equipment 103 output
Number, according to described switching signal output "on" position to described processor 302, described second
Relay group is for receiving the trip signal of described protection equipment 103 output, according to described jumping
Lock signal output tripped condition is to described processor 302.
Described processor 302 for being sent to the second wireless mould by "on" position and tripped condition
Block 303, the "on" position that described second wireless module 303 will be received by wireless network
It is sent to the first wireless module 202 with tripped condition, and then is sent to main processing block 102.
Preferably, the structure of described mimic-disconnecting switch 301 as shown in Figure 4, break by described simulation
Road device 301 includes: supply module, and described supply module includes positive terminal and negative pole end, mould
Intend chopper 301 also include: switching signal responding to switch HJ, close position relay coil HWJ,
With described conjunction position relay coil HWJ with the use of first conjunction bit switch HWJ-6, jumping
Lock signal responding to switch TJ, jumping position relay coil TWJ and described jumping position relay coil
TWJ with the use of first jumping bit switch TWJ-6, close position ancillary coil HQ, the 3rd jump
Bit switch TWJ-1, first close position auxiliary switch HQ-1, first jump position auxiliary switch TQ-1,
3rd closes bit switch HWJ-1, the second jumping position auxiliary switch TQ-2, the 4th conjunction bit switch
HWJ-3, the second conjunction position auxiliary switch HQ-3, the forth jump bit switch TWJ-3, jumping position auxiliary
Coil TQ, the 3rd jumping position auxiliary switch TQ-3, the 3rd conjunction position auxiliary switch HQ-4, combined floodgate
Switch 1KK and trip switch 2KK；
One contact of described switching signal responding to switch HJ and the positive pole of described supply module
End coupling, another contact of described switching signal responding to switch HJ is jumped position with the described 3rd and is opened
Closing a coupling contact points of TWJ-1, another of described 3rd jumping bit switch TWJ-1 touches
Point successively with first jump position auxiliary switch TQ-1 and the 3rd close bit switch HWJ-1 concatenate after and
One coupling contact points of described conjunction position ancillary coil HQ, described conjunction position ancillary coil HQ's is another
One contact couples with the negative pole end of described supply module, a contact of described closing switch 1KK
Coupling with described supply module, another contact of described closing switch 1KK is jumped with the described 3rd
Another coupling contact points of bit switch TWJ-1.
One contact of described trip signal responding to switch TJ and the positive pole of described supply module
End coupling, another contact of described trip signal responding to switch TJ is closed position with the described 4th and is opened
Closing a coupling contact points of HWJ-3, another of described 4th conjunction bit switch HWJ-3 touches
After point is sequentially connected in series described second conjunction position auxiliary switch HQ-3 and the forth jump bit switch TWJ-3
With a coupling contact points of described jumping position ancillary coil TQ, described jumping position ancillary coil TQ
Another contact couple with the negative pole end of supply module.
Described first closes position auxiliary switch HQ-1, the second conjunction position auxiliary switch HQ-3 and the 3rd
Closing position auxiliary switch HQ-4 to be controlled by described conjunction position ancillary coil HQ, described first jumps
Position auxiliary switch TQ-1, described second jumping position auxiliary switch TQ-2 and described 3rd jumping position are auxiliary
Helping switch TQ-3 to be controlled by described jumping position ancillary coil TQ, the described 3rd jumps bit switch
TWJ-1 and the forth jump bit switch TWJ-3 is controlled by described jumping position relay coil TWJ,
Described 3rd closes bit switch HWJ-1 and the described 4th closes bit switch HWJ-3 by described conjunction
Position relay coil HWJ controls.
Described first with described supply module is just closing a contact of position auxiliary switch HQ-1
Extreme coupling, described first closes another contact concatenation described second of position auxiliary switch HQ-1
Couple with the one end closing position relay coil HWJ after jumping position auxiliary switch TQ-2, close position and continue
The other end of electric apparatus coil HWJ couples with the negative pole end of supply module.
Also include six directions bit switch HWJ-2, a contact of six directions bit switch HWJ-2
Coupling with the positive terminal of supply module, another contact of six directions bit switch HWJ-2 is with described
First another coupling contact points closing position auxiliary switch HQ-1.
Described 3rd jumps a contact of position auxiliary switch TQ-3 and the positive terminal of supply module
Coupling, position auxiliary is closed with the 3rd in described second another contact jumping position auxiliary switch TQ-2
It coupled to jump a contact of position relay coil TWJ, described jumping after switch HQ-4 concatenation
Another contact of position relay coil TWJ couples with the negative pole end of supply module.
Also including the 6th jumping bit switch TWJ-4, the described 6th jumps of bit switch TWJ-4
Contact couples with the positive terminal of supply module, and the described 6th jump bit switch TWJ-4 one touches
Point and described second another coupling contact points jumping position auxiliary switch TQ-2.
The positive terminal of described supply module and the described second coupling contact points jumping bit switch,
Described second jump bit switch another contact with conjunction position display lamp L1 concatenate after again with first
Then resistance R1 concatenation coupled to the negative pole end of supply module.
The positive terminal of described supply module and the described second coupling contact points closing bit switch,
Described second close bit switch another contact with jumping position display lamp L2 concatenate after again with second
Then resistance R2 concatenation coupled to the negative pole end of supply module.
Also include relay coil HHJ1 after the first conjunction, second close after relay coil HHJ2,
Switch HHJ1-2 after HHJ2-1, the 3rd conjunction is switched after switching HHJ1-1, the second conjunction after first conjunction
Closing position auxiliary switch HQ-2 with the 4th, the described 4th close position auxiliary switch HQ-2 one touches
Point couples with the positive terminal of supply module, and the described 4th closes another of position auxiliary switch HQ-2
Individual contact concatenation described second switch after closing after HHJ2-1 with described conjunction after relay coil
One coupling contact points, another contact of relay coil and described supply module after described conjunction
Negative pole end couples, and switchs a contact of HHJ1-1 and described power supply mould after described first conjunction
The positive terminal coupling of block, switchs another contact of HHJ1-1 with described after described first conjunction
4th another coupling contact points closing position auxiliary switch HQ-2.
Switch switch HHJ1-2 after HHJ1-1 and the 3rd closes after first conjunction and closed by first follow-up
Electric apparatus coil HHJ1 controls, and switchs relay coil after HHJ2-1 is closed by second after the second conjunction
HHJ2 controls, and after the second conjunction, one end of relay coil HHJ2 is by described trip switch
2KK couples with the positive terminal of described supply module, relay coil HHJ2 after the second conjunction
The other end couples with the negative pole end of described supply module.First close after switch HHJ1-1 and the
Switching HHJ1-2 after three conjunctions and be normal open switch, switching HHJ2-1 after the second conjunction is normally closed opening
Close.
In order to understand structure and the embodiment of explanation mimic-disconnecting switch 301 circuit, this practicality is new
In type embodiment, first closes bit switch HWJ-6, the first jumping bit switch TWJ-6, the 3rd jumping
Bit switch TWJ-1, first close position auxiliary switch HQ-1, the 4th close bit switch HWJ-3,
3rd jumps position auxiliary switch TQ-3, six directions bit switch HWJ-2, the 6th jumping bit switch
Switch HHJ1-1 after TWJ-4, the first conjunction, the 4th conjunction position auxiliary switch and the 3rd switchs after closing
HHJ1-2 is normal open switch；Second jump bit switch, second close bit switch, first jump position auxiliary
Help switch TQ-1, the 3rd close bit switch HWJ-1, second jump position auxiliary switch TQ-2, the
Two close position auxiliary switch HQ-3, the forth jump bit switch TWJ-3, the 3rd conjunction position auxiliary switch
HQ-4 and second switchs HHJ2-1 after closing and is normally closed switch.
After the tripping operation of true primary cut-out 104 simulated by needs, starting protection equipment 103 is also
Protection equipment 103 a series of actions after (such as low-voltage variation etc.) send switching signal to
Chopper so that the action of breaker closing is, the embodiment bag of this utility model embodiment
Include as follows:
Now, the 3rd jumping bit switch TWJ-1 is in closure state, because only that formerly trip
Could close a floodgate, i.e. before closing a floodgate, jump position relay coil TWJ and obtain electric so that the 3rd jumps position
Switch TWJ-1 Guan Bi, is the most now controlled protection by main monitoring device or staff and sets
Standby 103, so that protection equipment 103 makes one when true chopper generation trip condition be
Row protection act, then protects equipment 103 to export switching signal and is entered by contact C, so that
Switching signal responding to switch HJ closes, and closes position ancillary coil HQ and obtains electric, so that first
Close position auxiliary switch HQ-1 Guan Bi, and then make conjunction position relay coil HWJ obtain electric, close position
Relay coil HWJ obtain electric after, six directions bit switch HWJ-2 close so that close position
Relay coil HWJ is in self-locking state, close position relay coil HWJ obtain electric after, the
Two close bit switches disconnect so that jump position display lamp L2 extinguish, and close a display lamp L1 by
Jump bit switch in second and be in closure state, therefore, still light, close position display lamp L1
It is in illuminating state and jumps a display lamp L2 and be in OFF state, then it represents that now relay
It is in conjunction position (being also combined floodgate) state.
Close position relay coil HWJ obtain electric after, first close bit switch HWJ-6 Guan Bi, its
In, first closes a contact of bit switch HWJ-6 Guan Bi and the positive terminal coupling of supply module
Closing, another one contact couples with contact a, and wherein, contact a is used for and processor 302
The coupling of port, it is assumed that be first port of contact a and processor 302, it addition,
Described supply module can include 220V voltage and 24V voltage, and wherein, 24V voltage can
With converted by some transformation voltage stabilizing chips by 220V voltage, naturally it is also possible to by one
Individual independent 24V voltage module produces.When first closes bit switch HWJ-6 Guan Bi, 24V
The port being connected with contact a of voltage input processor 302, therefore, processor 302
When first Port detecting is to high level, illustrate that the circuit-breaker status collected is "on" position.
Close position relay coil HWJ obtain electric after, the 4th close bit switch HWJ-3 Guan Bi, for
Reception trip signal is prepared.
In like manner, when carrying out the checking of tripped condition, contact d receives trip signal, with
Making trip signal responding to switch TJ close, obtaining electric so that jumping position ancillary coil TQ, and then
Making the 3rd jumping position auxiliary switch TQ-3 Guan Bi, obtaining electric so that jumping position relay coil TWJ.
Jump position relay coil TWJ obtain electric after, the 6th jump bit switch TWJ-4 Guan Bi, from
And make jumping position relay coil TWJ be in self-locking state, make the second jumping bit switch disconnect simultaneously
Jumping bit switch TWJ-6 Guan Bi with first, the second disconnection jumping bit switch makes conjunction position display lamp
L1 extinguishes, and the most now, closes position display lamp L1 and extinguishes and jump a display lamp L2 and be in and light
State.
First jumps bit switch TWJ-6 is connected with contact b, the of contact b and processor 302
Two-port netwerk connects, and first jumps the Guan Bi of bit switch TWJ-6, makes the second end of processor 302
Mouth detects high level, thus processor 302 judges now mimic-disconnecting switch 301 output
State is tripped condition.
It should be noted that in this utility model embodiment, switching signal responding to switch HJ,
Closing position relay coil HWJ and first and closing bit switch HWJ-6 is to judge mimic-disconnecting switch
Whether 301 responded switching signal and made the core parts of feed motion, for example, it is possible to
By switching signal responding to switch HJ, close position relay coil HWJ and first conjunction bit switch
HWJ-6 is defined as the first relay group, it addition, described first relay group can also include:
Close position display lamp L1, the second jumping bit switch, close position ancillary coil HQ, the 3rd jumping bit switch
TWJ-1, first close position auxiliary switch HQ-1, first jump position auxiliary switch TQ-1, the 3rd
Close bit switch HWJ-1 and second and jump position auxiliary switch TQ-2.
Trip signal responding to switch TJ, jumping position relay coil TWJ and first jump bit switch
TWJ-6 is to judge whether mimic-disconnecting switch 301 has responded trip signal and made trip operation
Core parts, for example, it is possible to by trip signal responding to switch TJ, jump position relay coil
TWJ and first jumps bit switch TWJ-6 and is defined as the second relay group, it addition, the second relay
Device group can also include: jumps position display lamp L2, the second conjunction bit switch, the 4th conjunction bit switch
HWJ-3, the second conjunction position auxiliary switch HQ-3, the forth jump bit switch TWJ-3, jumping position auxiliary
Coil TQ, the 3rd jumping position auxiliary switch TQ-3 and the 3rd close position auxiliary switch HQ-4.
It is of course also possible to realized manually by closing switch 1KK and trip switch 2KK
Input switching signal and trip signal.
It addition, in this utility model embodiment, mimic-disconnecting switch 301 also includes: pentahapto
Bit switch, the fifth jump bit switch and the 3rd switch HHJ1-2 after closing.Pentahapto bit switch,
Five jump switch HHJ1-2 after bit switch and the 3rd closes all has a contact to couple with supply module,
Another contact of pentahapto bit switch, another contact of the fifth jump bit switch and the 3rd close
Another contact of rear switch HHJ1-2 is all connected with prepared auto restart equipment, pentahapto bit switch
Being controlled by closing position relay coil HWJ, the fifth jump bit switch is by jumping a relay coil TWJ
Control, switch HHJ1-2 after the 3rd conjunction and controlled by relay coil after closing.
When closing position relay coil HWJ and obtaining electric, pentahapto bit switch closes, therefore,
"on" position can be fed back to prepared auto restart equipment；Obtain electric when jumping position relay coil TWJ
Time, the fifth jump bit switch closes, therefore, it is possible to "on" position feeds back to prepared auto restart equipment.
When mimic-disconnecting switch 301 receives and responds switching signal, first closes position ancillary coil
HQ obtains electric, thus the 4th closes position auxiliary switch Guan Bi, and after conjunction, relay coil obtains electric, from
And after making the first conjunction, switch HHJ1-1 Guan Bi, so that first closes position ancillary coil HQ self-locking,
And switch HHJ1-2 Guan Bi after making the 3rd conjunction, thus after feeding back conjunction, state is to prepared auto restart equipment.
It should be noted that in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not
Necessarily require or imply these entities or operation between exist any this reality relation or
Person's order.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability so that include the process of a series of key element, method, article or
Person's equipment not only includes those key elements, but also includes other key elements being not expressly set out,
Or also include the key element intrinsic for this process, method, article or equipment.?
In the case of there is no more restriction, statement " including ... " key element limited, not
Eliminating there is also other in including the process of described key element, method, article or equipment
Identical element.
The above, detailed description of the invention the most of the present utility model, but of the present utility model
Protection domain is not limited thereto, and any those familiar with the art is in this practicality
In the technical scope of novel exposure, change can be readily occurred in or replace, all should contain in this reality
Within novel protection domain.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit requires is as the criterion.
Claims (10)
1. a protective relaying device verification auxiliary equipment; it is characterized in that; it is applied to the outlet logic of the relay protection equipment of transformer station and the verification of outlet action; including: mimic-disconnecting switch and processor; described mimic-disconnecting switch includes the first relay group and the second relay group; described first relay group and described second relay group all couple with described protection equipment, and described processor couples with described first relay group and described second relay group respectively.
Verification auxiliary equipment the most according to claim 1, it is characterized in that, mimic-disconnecting switch also includes supply module, described first relay group includes: switching signal responding to switch, close position relay coil and with described conjunction position relay coil with the use of first conjunction bit switch, one contact of described switching signal responding to switch couples with described supply module, another contact of described switching signal responding to switch couples with described conjunction position relay coil, described first contact closing bit switch couples with described supply module, described first another contact closing bit switch couples with described processor.
Verification auxiliary equipment the most according to claim 2, it is characterized in that, described second relay group includes: trip signal responding to switch, jump position relay coil and with described jumping position relay coil with the use of first jumping bit switch, one contact of described trip signal responding to switch couples with described supply module, another contact of described trip signal responding to switch couples with described jumping position relay coil, described first contact jumping bit switch couples with described supply module, and described first another contact jumping bit switch couples with described processor.
Verification auxiliary equipment the most according to claim 3, it is characterized in that, described first relay group also includes: close position display lamp and with described jumping position relay coil with the use of second jumping bit switch, described supply module and the described second coupling contact points jumping bit switch, described second another contact jumping bit switch couples with described conjunction position display lamp.
Verification auxiliary equipment the most according to claim 4, it is characterized in that, described second relay group also includes: jump position display lamp and with described conjunction position relay coil with the use of second conjunction bit switch, described supply module and the described second coupling contact points closing bit switch, described second another contact closing bit switch couples with described jumping position display lamp.
null6. according to arbitrary described verification auxiliary equipment of claim 3-5，It is characterized in that，Described first relay group also includes: close position ancillary coil、3rd jumps bit switch、First closes position auxiliary switch、First jumps position auxiliary switch、3rd closes bit switch and second jumps position auxiliary switch，Described second relay group also includes: the 4th closes bit switch、Second closes position auxiliary switch、The forth jump bit switch、Jump position ancillary coil、3rd jumps position auxiliary switch and the 3rd closes position auxiliary switch，Described first closes position auxiliary switch、Second closes position auxiliary switch and the 3rd closes position auxiliary switch by the control of described conjunction position ancillary coil，Described first jumps position auxiliary switch、Described second jumps position auxiliary switch and the described 3rd jumps position auxiliary switch by the control of described jumping position ancillary coil，Described 3rd jumps bit switch and the forth jump bit switch is controlled by described jumping position relay coil，Described 3rd closes bit switch and the described 4th closes bit switch by the control of described conjunction position relay coil，Another contact of described switching signal responding to switch is sequentially connected in series the described 3rd and jumps bit switch、First jumping position auxiliary switch and the described 3rd couples with described conjunction position ancillary coil after closing bit switch，Described supply module is sequentially connected in series after position auxiliary switch jumped by described first conjunction position auxiliary switch and described second and couples with described conjunction position relay coil，Another contact of described trip signal responding to switch is sequentially connected in series the described 4th and closes bit switch、Couple with described jumping position ancillary coil after second conjunction position auxiliary switch and the forth jump bit switch，Described supply module is sequentially connected in series after described 3rd jumping position auxiliary switch and the 3rd closes position auxiliary switch and couples with described jumping position relay coil.
Verification auxiliary equipment the most according to claim 6, it is characterized in that, described first relay group also includes closing switch, one contact of described closing switch couples with described supply module, and another contact of described closing switch is sequentially connected in series after described first jumping position auxiliary switch and the 3rd closes bit switch and couples with described conjunction position ancillary coil.
Verification auxiliary equipment the most according to claim 7, it is characterized in that, described second relay group also includes trip switch, one contact of described trip switch couples with described supply module, and another contact of described trip switch couples with described jumping position ancillary coil after being sequentially connected in series the second conjunction position auxiliary switch and the forth jump bit switch.
9. the monitoring system of a protective relaying device; it is characterized in that; including main processing block and the verification auxiliary equipment as described in claim 1-8 is arbitrary, described protection equipment and described verification coupling auxiliary devices, described verification auxiliary equipment couples with described main processing block.
Monitoring system the most according to claim 9, it is characterised in that described main processing block includes that main control module and bluetooth module, described verification auxiliary equipment couple with described main control module, and described main control module couples with described bluetooth module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620030476.4U CN205484589U (en) | 2016-01-13 | 2016-01-13 | Overload protection device checkback auxiliary and monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620030476.4U CN205484589U (en) | 2016-01-13 | 2016-01-13 | Overload protection device checkback auxiliary and monitoring system |
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| CN205484589U true CN205484589U (en) | 2016-08-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117627A (en) * | 2018-07-16 | 2019-01-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | The last breaker defencive function verifying system of DC engineering and verification method |
| CN109509658A (en) * | 2018-12-29 | 2019-03-22 | 国网北京市电力公司 | A kind of relay protection DC control circuit and its full working scope monitoring and fault early warning method |
| CN112485576A (en) * | 2020-12-04 | 2021-03-12 | 云南电网有限责任公司西双版纳供电局 | Auxiliary device and method for regional backup power switching verification |
| CN115327366A (en) * | 2022-08-25 | 2022-11-11 | 国网天津市电力公司 | Secondary equipment export action monitoring devices |
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2016
- 2016-01-13 CN CN201620030476.4U patent/CN205484589U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117627A (en) * | 2018-07-16 | 2019-01-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | The last breaker defencive function verifying system of DC engineering and verification method |
| CN109509658A (en) * | 2018-12-29 | 2019-03-22 | 国网北京市电力公司 | A kind of relay protection DC control circuit and its full working scope monitoring and fault early warning method |
| CN109509658B (en) * | 2018-12-29 | 2019-09-24 | 国网北京市电力公司 | A kind of relay protection DC control circuit and its full working scope monitoring and fault early warning method |
| CN112485576A (en) * | 2020-12-04 | 2021-03-12 | 云南电网有限责任公司西双版纳供电局 | Auxiliary device and method for regional backup power switching verification |
| CN112485576B (en) * | 2020-12-04 | 2024-06-07 | 云南电网有限责任公司西双版纳供电局 | Auxiliary device and method for regional spare power switching verification |
| CN115327366A (en) * | 2022-08-25 | 2022-11-11 | 国网天津市电力公司 | Secondary equipment export action monitoring devices |
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