CN208538349U - A kind of failure set system in Power System Simulator - Google Patents
A kind of failure set system in Power System Simulator Download PDFInfo
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- CN208538349U CN208538349U CN201820403944.7U CN201820403944U CN208538349U CN 208538349 U CN208538349 U CN 208538349U CN 201820403944 U CN201820403944 U CN 201820403944U CN 208538349 U CN208538349 U CN 208538349U
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Abstract
The utility model belongs to grid simulation technical field, it proposes and is related to a kind of failure set system in Power System Simulator, including local control terminal, remote signalling control terminal, the local control terminal, the remote signalling control terminal are connect with fault control circuit, the fault control circuit is connected between the positive electrode and negative electrode of the first power supply, the fault control circuit is all connected with fault setting circuit, fault time setting circuit, flashing signal indicating circuit, and the fault setting circuit is also connect with major loop start-up circuit.The utility model, which solves device in the prior art, has limitation, cumbersome, and experiment process shows non-intuitive problem.
Description
Technical field
The utility model belongs to grid simulation technical field, is related to a kind of fault setting system in Power System Simulator
System.
Background technique
In Power System Simulator, other than the normal operating condition of simulation electric system, it is also necessary in simulating grid not
Same place, different types of failure, past when doing system failure setting, select the on-off of universal change-over switch to set on the spot mostly
Failure is set, this set method exists and cannot be arranged in the distance, has bigger limitation, and complex for operation step, tests
Process shows non-intuitive problem.
Utility model content
The utility model proposes a kind of failure set systems in Power System Simulator, solve and fill in the prior art
It sets with limitation, cumbersome, experiment process shows non-intuitive problem.
The technical solution of the utility model is achieved in that
A kind of failure set system in Power System Simulator, comprising:
Local control terminal, remote signalling control terminal, the local control terminal, the remote signalling control terminal connect with fault control circuit
It connects, the fault control circuit is connected between the positive electrode and negative electrode of the first power supply, the fault control circuit and fault setting
Circuit, fault time setting circuit, flashing signal indicating circuit are all connected with, and the fault setting circuit also starts electricity with major loop
Road connection,
The fault control circuit includes fault initiating circuit, trouble shooting circuit, the fault initiating circuit include according to
Secondary the first key, the second key, the first relay connecting with the anode of first power supply, the trouble shooting circuit include
Be connected in turn positive first relay between second key of first power supply the first normally opened contact,
The normally-closed contact of second relay.
Further, the second of first relay is connected between the fault setting circuit and the fault control circuit
Normally opened contact, the fault setting circuit include the fault setting branch of several groups parallel connection,
The fault setting branch includes the one or two pole successively connecting with the second normally opened contact of first relay
Pipe, third key, third relay, the third key are also connected with remote control common point.
Further, the fault time setting circuit includes time setting circuit, being delayed automatically terminates faulty circuit,
The time setting circuit includes the third normally opened contact and Fault Control electricity by first relay
The time relay of road connection,
It includes the normal of the time relay connecting with second relay that the delay, which automatically terminates faulty circuit,
Contact is opened, the delay automatically terminates normally-closed contact and the trouble shooting circuit of the faulty circuit by second relay
Connection.
Further, the flashing signal indicating circuit includes the flashing signal control successively connecting with the fault control circuit
Circuit processed, flashing signal indicate branch, and the flashing signal instruction branch is several groups in parallel,
Flashing signal instruction branch includes the successively indicator light with the third by key connection, the third relay
Double-contact, the anode that the third key also passes through the second diode and second source connects.
Further, fourth normally opened contact and the failure of the flashing signal control circuit by first relay
Control circuit connection, the flashing signal control circuit include the first chip, and first chip is connected with RC oscillating circuit, institute
It states the first chip and indicates that branch is connect with the flashing signal by the first triode.
Further, the fault setting circuit is connect by the third relay with the major loop start-up circuit, institute
The major loop boot leg that major loop start-up circuit includes several groups parallel connection is stated, the major loop boot leg includes being sequentially connected
Normally opened contact, the A.C. contactor of the third relay between firewire and zero curve.
The utility model is using principle and has the beneficial effect that
1, the local control terminal in the utility model, remote signalling control terminal are connect with fault control circuit, be can be set and are
Different location, different types of failure in system.When a certain phase short circuit in route is arranged on the spot, presses and be located at corresponding branch road
Third key, third key are the double-deck self-locking key, and the coil of third key and third relay is connected, but at this time first
Second normally opened contact of relay is not closed, and third relay does not turn on, and the double-contact of third relay is failure to actuate, indicator light with
Second source connection, issues zero diopter；The first key, the conducting of the first relay, the second normally opened contact of the first relay are pressed again
Simultaneously self-sustaining is acted, is connected to third relay with the first point source, the normally opened contact movement of third relay starts its place
The A.C. contactor of branch, short circuit start and continue,
After fault initiating, the third normally opened contact closure simultaneously self-sustaining of the first relay, time relay conducting, through setting
After fixed delay, the normally opened contact of the time relay is closed, and energized action, the normally closed touching of the second relay is connected in the second relay
Point is opened, and the power-off of the first relay disconnects, so A.C. contactor can also power off disconnection, trouble shooting.Go out during the experiment
Existing problem, when needing to release failure immediately, presses the second key, powers off the first relay, and failure can release immediately.
When using remote signalling control setting failure, at far control common point, the empty node for sending out remote control be can be realized and just
The same course of work in ground.Remote signalling control provides convenience for teachers, and this system is allow preferably to be applied to emulation system
In the teaching of system.
2, fault time can be arranged by the time relay in the fault time setting circuit in the utility model, that is, distinguishes
The type of failure is transient fault or permanent fault.The time relay is knob relay, can pass through adjusting knob
Very easily setting time saves adjustment time.It may be defined as permanent fault at fault time left and right for 5 seconds.
After fault initiating, the time relay powers on movement, after the delay being set, the normally opened touching of the time relay
The normally-closed contact of point closure, the conducting of the second relay, the second relay is opened, and the power-off of the first relay disconnects, A.C. contactor
Also disconnection, trouble shooting can be powered off.
3, flashing signal indicating circuit has the function of signal designation in the utility model, in preset failure, third relay
Device also access failure power supply, the normally-closed contact in the double-contact of third relay make indicator light connect zero diopter power supply, and indicator light hair is flat
Light, after fault initiating, third relay powers on movement, and the normally opened contact movement in the double-contact of third relay connects
Logical flashing power source passes through the first triode control instructions lamp by the first chip, the RC oscillating circuit in flashing signal control circuit
On-off, flash, until trouble shooting, restore to zero diopter.Signal designation function on the spot makes what student will be apparent that see reality
The position of failure point tested, teaching efficiency are more preferable.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is fault control circuit schematic diagram in the utility model；
Fig. 2 is fault setting circuit diagram in the utility model；
Fig. 3 is time setting circuit diagram in the utility model；
Fig. 4 is the utility model major loop start-up circuit schematic diagram；
Fig. 5 is the utility model circuit diagram；
In figure: the local 1- control terminal, 2- remote signalling control terminal, 3- fault control circuit, 31- fault initiating circuit, 311-
One key, the second key of 312-, the first relay of 313-, 32- trouble shooting circuit, the first power supply of 4-, 5- fault setting circuit,
Electricity is arranged in 51- fault setting branch, 511- first diode, 512- third key, 513- third relay, 6- fault time
Circuit, the 611- time relay is arranged in road, 61- time, and 62-, which is delayed, automatically terminates faulty circuit, 7- flashing signal indicating circuit,
71- flashing signal control circuit, the first chip of 711-, 712-RC oscillating circuit, 72- flashing signal indicate branch, 721- instruction
Lamp, 8- major loop start-up circuit, 81- major loop boot leg, 811- A.C. contactor, 9- far control common point, the second relay of 10-
Device, the second diode of 11-, the first triode of 12-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in fig. 1~fig. 5, the utility model proposes a kind of failure set system in Power System Simulator,
Include:
Local control terminal 1, remote signalling control terminal 2, local control terminal 1, remote signalling control terminal 2 are connect with fault control circuit 3,
Fault control circuit 3 is connected between the positive electrode and negative electrode of the first power supply 4, fault control circuit 3 and fault setting circuit 5, event
Downtime setting circuit 6, flashing signal indicating circuit 7 are all connected with, and fault setting circuit 5 is also connect with major loop start-up circuit 8,
Fault control circuit 3 includes fault initiating circuit 31, trouble shooting circuit 32, and fault initiating circuit 31 includes successively
The first key 311, the second key 312, the first relay 313 connecting with the anode of the first power supply 4, trouble shooting circuit 32 wrap
Include the first relay 313 between the anode for being connected to the first power supply 4 in turn and the second key 312 the first normally opened contact,
The normally-closed contact of two relays 10.
Local control terminal 1, remote signalling control terminal 2 in the utility model are connect with fault control circuit 3, be can be set and are
Different location, different types of failure in system.When a certain phase short circuit in route is arranged on the spot, presses and be located at corresponding branch road
Third key 512, third key 512 are the double-deck self-locking key, and third key 512 and the coil of third relay 513 are connected,
But the second normally opened contact of the first relay 313 is not closed at this time, third relay 513 does not turn on, third relay 513
Double-contact is failure to actuate, and indicator light 721 is connected to second source, issues zero diopter；The first key 311, the first relay 313 are pressed again
Conducting, the movement of the second normally opened contact and self-sustaining of the first relay 313, connects third relay 513 and the first point source 4
Logical, the normally opened contact movement of third relay 513 starts the A.C. contactor 811 of its place branch, and short circuit, which starts, simultaneously to be continued,
After fault initiating, the third normally opened contact closure and self-sustaining, the time relay 611 of the first relay 313 are led
Logical, after the delay being set, the normally opened contact of the time relay 611 is closed, and the second relay 10 is connected energized action, second after
The normally-closed contact of electric appliance 10 is opened, and the power-off of the first relay 313 disconnects, so A.C. contactor 811 can also power off disconnection, failure
It releases.It goes wrong during the experiment, when needing to release failure immediately, presses the second key 312, make the first relay 313
Power-off, failure can release immediately.
When using remote signalling control setting failure, at far control common point 9, the empty node for sending out remote control be can be realized and just
The same course of work in ground.Remote signalling control provides convenience for teachers, and this system is allow preferably to be applied to emulation system
In the teaching of system.
Further, the second normally opened touching of the first relay 313 is connected between fault setting circuit 5 and fault control circuit 3
Point, fault setting circuit 5 include the fault setting branch 51 of several groups parallel connection,
Fault setting branch 51 includes the first diode successively connecting with the second normally opened contact of the first relay 313
511, third key 512, third relay 513, third key 512 are also connected with remote control common point 9.
Further, fault time setting circuit 6 includes time setting circuit 61, being delayed automatically terminates faulty circuit 62,
It includes being connect by the third normally opened contact of the first relay 313 with fault control circuit 3 that circuit 61, which is arranged, in time
The time relay 611,
Delay automatically terminates the normally opened touching that faulty circuit 62 includes the time relay 611 connecting with the second relay 10
Point, delay automatically terminate faulty circuit 62 and are connect by the normally-closed contact of the second relay 10 with trouble shooting circuit 32.
Fault time, i.e. area can be arranged by the time relay 611 in fault time setting circuit 6 in the utility model
The type of other failure is transient fault or permanent fault.The time relay 611 is knob relay, can pass through adjusting
Knob very easily setting time, saves adjustment time.It may be defined as permanent event at fault time left and right for 5 seconds
Barrier.
After fault initiating, the time relay 611 powers on movement, after the delay being set, the time relay 611
The normally-closed contact of normally opened contact closure, the conducting of the second relay 10, the second relay 10 is opened, and the power-off of the first relay 313 is disconnected
It opens, A.C. contactor 811 can also power off disconnection, trouble shooting.
Further, flashing signal indicating circuit 7 includes the flashing signal control circuit successively connecting with fault control circuit 3
71, flashing signal indicates branch 72, and flashing signal indicates that branch 72 is several groups in parallel,
Flashing signal instruction branch 72 includes indicator light 721, the third relay 513 successively connecting with third key 512
Double-contact, third key 512 also connect by the positive of the second diode 11 and second source.
Further, the 4th normally opened contact and the Fault Control electricity that flashing signal control circuit 71 passes through the first relay 313
Road 3 connects, and flashing signal control circuit 71 includes the first chip 711, and the first chip 711 is connected with RC oscillating circuit 712, and first
Chip 711 indicates that branch 72 is connect with flashing signal by the first triode 12.
Flashing signal indicating circuit 7 has the function of signal designation in the utility model, in preset failure, third relay
513 go back access failure power supply, and the normally-closed contact in the double-contact of third relay 513 makes indicator light 721 connect zero diopter power supply, instruction
Lamp 721 sends out zero diopter, and after fault initiating, third relay 513 powers on movement, in the double-contact of third relay 513
Normally opened contact movement, connects flashing power source, is led to by the first chip 711, the RC oscillating circuit 712 in flashing signal control circuit 71
The on-off for crossing 12 control instructions lamp 721 of the first triode, flashes, and until trouble shooting, restores to zero diopter.Earth signal is referred to
Show function, the position of failure point for seeing experiment that will be apparent that student, teaching efficiency is more preferable.
Further, fault setting circuit 5 is connect by third relay 513 with major loop start-up circuit 8, major loop starting
Circuit 8 includes the major loop boot leg 81 of several groups parallel connection, and major loop boot leg 81 includes being connected to firewire and zero in turn
Normally opened contact, the A.C. contactor 811 of third relay 513 between line.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of failure set system in Power System Simulator, which is characterized in that including local control terminal (1), remote signalling
Control terminal (2), the local control terminal (1), the remote signalling control terminal (2) are connect with fault control circuit (3), the failure
Control circuit (3) is connected between the positive electrode and negative electrode of the first power supply (4), the fault control circuit (3) and fault setting electricity
Road (5), fault time setting circuit (6), flashing signal indicating circuit (7) are all connected with, the fault setting circuit (5) also with master
Loop start circuit (8) connection,
The fault control circuit (3) includes fault initiating circuit (31), trouble shooting circuit (32), the fault initiating circuit
It (31) include the first key (311), the second key (312), the first relay successively being connect with the anode of first power supply (4)
Device (313), the trouble shooting circuit (32) include the anode and second key for being connected to first power supply (4) in turn
(312) normally-closed contact of the first normally opened contact of first relay (313) between, the second relay (10).
2. a kind of failure set system in Power System Simulator according to claim 1, which is characterized in that described
The second normally opened touching of first relay (313) is connected between fault setting circuit (5) and the fault control circuit (3)
Point, the fault setting circuit (5) include the fault setting branch (51) of several groups parallel connection,
The fault setting branch (51) includes first successively connect with the second normally opened contact of first relay (313)
Diode (511), third key (512), third relay (513), the third key (512) are also connected with remote control common point
(9)。
3. a kind of failure set system in Power System Simulator according to claim 1, which is characterized in that described
Fault time setting circuit (6) includes time setting circuit (61), being delayed automatically terminates faulty circuit (62),
Time setting circuit (61) includes third normally opened contact and the failure control by first relay (313)
The time relay (611) of circuit (3) connection processed,
It includes the time relay connecting with second relay (10) that the delay, which automatically terminates faulty circuit (62),
(611) normally opened contact, the delay automatically terminate the normally-closed contact that faulty circuit (62) pass through second relay (10)
It is connect with the trouble shooting circuit (32).
4. a kind of failure set system in Power System Simulator according to claim 2, which is characterized in that described
Flashing signal indicating circuit (7) includes the flashing signal control circuit (71) successively connecting with the fault control circuit (3), dodges
Optical signal indicates branch (72), and flashing signal instruction branch (72) is several groups in parallel,
Flashing signal instruction branch (72) includes the indicator light (721) successively connecting with the third key (512), described
The double-contact of third relay (513), the third key (512) also pass through the anode of the second diode (11) and second source
Connection.
5. a kind of failure set system in Power System Simulator according to claim 4, which is characterized in that described
The 4th normally opened contact and the fault control circuit that flashing signal control circuit (71) passes through first relay (313)
(3) it connects, the flashing signal control circuit (71) includes the first chip (711), and first chip (711) is connected with RC vibration
It swings circuit (712), first chip (711) is connected by the first triode (12) and flashing signal instruction branch (72)
It connects.
6. a kind of failure set system in Power System Simulator according to claim 2, which is characterized in that described
Fault setting circuit (5) is connect by the third relay (513) with the major loop start-up circuit (8), the major loop
Start-up circuit (8) includes the major loop boot leg (81) of several groups parallel connection, and the major loop boot leg (81) includes successively
It is connected to normally opened contact, the A.C. contactor (811) of the third relay (513) between firewire and zero curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403944.7U CN208538349U (en) | 2018-03-23 | 2018-03-23 | A kind of failure set system in Power System Simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403944.7U CN208538349U (en) | 2018-03-23 | 2018-03-23 | A kind of failure set system in Power System Simulator |
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| Publication Number | Publication Date |
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| CN208538349U true CN208538349U (en) | 2019-02-22 |
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| CN201820403944.7U Expired - Fee Related CN208538349U (en) | 2018-03-23 | 2018-03-23 | A kind of failure set system in Power System Simulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
-
2018
- 2018-03-23 CN CN201820403944.7U patent/CN208538349U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210323 |