CN110491257A - A kind of fault simulation displaying device - Google Patents

A kind of fault simulation displaying device Download PDF

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Publication number
CN110491257A
CN110491257A CN201910711747.0A CN201910711747A CN110491257A CN 110491257 A CN110491257 A CN 110491257A CN 201910711747 A CN201910711747 A CN 201910711747A CN 110491257 A CN110491257 A CN 110491257A
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CN
China
Prior art keywords
voltage
switch
indicator light
protective device
type protective
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CN201910711747.0A
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Chinese (zh)
Inventor
郑观裕
郑泽文
陈练
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Zhuhai Keying Automation System Co Ltd
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Zhuhai Keying Automation System Co Ltd
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Priority to CN201910711747.0A priority Critical patent/CN110491257A/en
Publication of CN110491257A publication Critical patent/CN110491257A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/06Details with automatic reconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Power Engineering (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses provide a kind of fault simulation displaying device; including simulant display model, mimic-disconnecting switch module, fault current occur module and when m- voltage-type protective device; the present invention by fault current occur module generate fault current to when m- voltage-type protective device; when m- voltage-type protective device detect fault current after control mimic-disconnecting switch module action; and by simulant display model show mimic-disconnecting switch module action, thus when intuitively showing m- voltage-type protective device logic.

Description

A kind of fault simulation displaying device
Technical field
The present invention relates to electric power system fault simulator field, in particular to a kind of fault simulation shows device.
Background technique
When m- voltage-type protective device be have defencive function and when m- voltage-type logic distribution automation control eventually End, using voltage and time as criterion, when in the event of failure, when substation, m- voltage-type protective device detected that fault current is first jumped Lock, the when m- voltage-type protective device detection decompression tripping on route corresponding segments out of power switch, has arrived reclosure time, has become M- voltage-type protective device is overlapped when power station, and route has electricity, and the when m- voltage-type protective device on block switch detects electricity Pressure, time-delay closing calculate the time, if some switch closes a floodgate to failure when jumping, substation trips immediately, and device is sentenced according to the time It is judged that fault point whether in front, indicates that next transformer substation switch is overlapped if setting locking in front and closing a floodgate, to this segmentation When switch, when the locking of m- voltage-type protective device close a floodgate, fault point is isolated.Due to the complexity of electric system, surveyed in production Examination and often to encounter the logic excessively complicated for m- voltage-type protective device when showing distribution, can not be by that can state in a few words It is clear, lack it is a kind of can visual test distribution when m- voltage-type protective device logic device.This makes the process of development & production In, encounter it is many lead to efficiency of research and development because of the incorrect problem of logical operation, testing efficiency is seriously low.Further showing This when m- voltage-type protective device when can not show client visual and clearly.
Summary of the invention
It is an object of the invention at least solve one of the technical problems existing in the prior art, a kind of fault simulation is provided Show device, the logic of m- voltage-type protective device when can intuitively show.
According to the first aspect of the invention, a kind of fault simulation is provided and shows device, comprising: when m- voltage-type protection dress It sets, m- voltage-type protective device is connected with the mimic-disconnecting switch module and fault current generation module respectively when described;
Module occurs for fault current, for generating fault current;
Mimic-disconnecting switch module is acted for high voltage breaker simulator;
Simulant display model, for showing the state of the mimic-disconnecting switch module.
The utility model has the advantages that the present invention by fault current occur module generate fault current to when m- voltage-type protective device, When m- voltage-type protective device detect fault current after control mimic-disconnecting switch module action, and pass through simulant display model Show mimic-disconnecting switch module action, thus when intuitively showing m- voltage-type protective device logic.
As a further improvement of the foregoing solution, the simulant display model is equipped with status indicator lamp, and the state refers to Show that lamp is connected with the mimic-disconnecting switch module, the mimic-disconnecting switch module controls the opening and closing of the status indicator lamp.Pass through The opening and closing of status indicator lamp intuitively shows mimic-disconnecting switch module action.
As a further improvement of the foregoing solution, it includes ac contactor pressure regulator and switch that module, which occurs, for the fault current Control circuit, the ac contactor pressure regulator include simulation for generating electric current and voltage analog, the ON-OFF control circuit Failure button, one end of the simulated failure button are connect with the ac contactor pressure regulator, the simulated failure button it is another One end with it is described when m- voltage-type protective device connect.ON-OFF control circuit control ac contactor pressure regulator and it is described when The on-off of circuit between m- voltage-type protective device, m- voltage-type protection when fault current is transmitted to when switching circuit conducting Device.
As a further improvement of the foregoing solution, the mimic-disconnecting switch module includes switch knob, opening button, open circuit Device and relay, the both ends of the switch knob are connected with the combined floodgate buckle releaser HQ of power supply and the breaker respectively, and described point The both ends of lock button are connected with the separating brake buckle releaser TQ of power supply and the breaker respectively, m- voltage-type protective device when described Separating brake outlet connect with the separating brake buckle releaser TQ of the breaker, when described m- voltage-type protective device combined floodgate export with The combined floodgate buckle releaser HQ connection of the breaker, the switch button of the breaker are connect with the relay.
As a further improvement of the foregoing solution, the status indicator lamp includes separating brake indicator light L1, combined floodgate indicator light L2 Connect respectively with the relay with energy storage indicator light L3, the separating brake indicator light L1, combined floodgate indicator light L2 and energy storage indicator light L3 It connects.
As a further improvement of the foregoing solution, the invention also includes the first current-limiting resistance R1, the second current-limiting resistance R2 and Third current-limiting resistance R3, the first current-limiting resistance R1 and separating brake indicator light L1 are sequentially connected in series and pass through the normally closed of the relay Contact is connected on electric power loop;The second current-limiting resistance R2 and combined floodgate indicator light L2 are sequentially connected in series and pass through the relay Normally opened contact be connected on electric power loop;The third current-limiting resistance R3 and separating brake indicator light L1 is sequentially connected in series and passes through described The normally opened contact of relay is connected on electric power loop.
It as a further improvement of the foregoing solution, further include communication management unit, monitoring computer and display, communication pipe Reason unit is connected for connecting the monitoring computer m- voltage-type protective device in time, the display with monitoring computer. Each state and fault message for monitoring the automatic separating fault of m- voltage-type protective device when computer record, conveniently check and go through Records of the Historian record and analysis.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples;
Fig. 1 is the functional block diagram that present pre-ferred embodiments fault simulation shows device;
Fig. 2 is the structural schematic diagram of present pre-ferred embodiments simulant display model;
The functional block diagram of Fig. 3 m- voltage-type protective device when being present pre-ferred embodiments;
Fig. 4 is the circuit diagram that fault simulation shows device in present pre-ferred embodiments.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
In the description of the present invention, it is to be understood that, be related to orientation description, for example, above and below, front, rear, left and right etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore be not considered as limiting the invention.
In the description of the present invention, several to be meant that one or more, it is multiple to be meant that two or more, be greater than, Be less than, more than etc. be interpreted as not including this number, it is above, following, within etc. be interpreted as including this number.If there is being described to first, Second is only intended to for the purpose of distinguishing technical characteristic, is not understood to indicate or imply relative importance or implicitly indicates institute The quantity of the technical characteristic of instruction or the precedence relationship for implicitly indicating indicated technical characteristic.
Referring to Fig. 1 and Fig. 2, a kind of fault simulation displaying device, including simulant display model 100, mimic-disconnecting switch module 300, fault current occur module 200 and when m- voltage-type protective device 400, when m- voltage-type protective device 400 respectively and Mimic-disconnecting switch module 300 and fault current occur module 200 and connect, and simulant display model 100 is equipped with status indicator lamp 101, status indicator lamp 101 and mimic-disconnecting switch module 300 connect.The fault current occurs module 200 and generates for simulating Fault current and when fault current is transmitted to m- voltage-type protective device 400, when m- voltage-type protective device 400 detect The state for passing through 300 state of a control indicator light 101 of mimic-disconnecting switch module after fault current, thus in simulant display model 100 Upper intuitive display.Specifically, the status indicator lamp 101 includes separating brake indicator light L1, combined floodgate indicator light L2 and energy storage indicator light L3。
The present invention by fault current occur module 200 generate fault current to when m- voltage-type protective device 400, when M- voltage-type protective device 400 passes through the control simulant display model 100 of mimic-disconnecting switch module 300 after detecting fault current On status indicator lamp 101 switch change, thus when intuitively showing m- voltage-type protective device 400 logic.
Referring to fig. 2, the present embodiment simulation is separately mounted to the when m- voltage on switch FB1, S1, S2, L, S3, S4 and FB2 The logic of type protective device 400 changes, and the mark of switch FB1, S1, S2, L, S3, S4 and FB2 are equipped on simulant display model 100 Know and is equipped with separating brake indicator light L1, combined floodgate indicator light L2 and energy storage indicator light L3 and 302 and of opening button in the lower section of mark Switch knob 301, each switch simulation m- voltage-type protective device 400 when being equipped with corresponding, therefore altogether there are six when it is m- Voltage-type protective device 400 and its operating circuit, in other embodiments, number of switches can be whole greater than 0 for 1,2 or 3 etc. Number.
Referring to Fig. 3, m- voltage-type protective device 400 is by analog quantity bus bar side voltage input 401, simulation when of the invention Amount cable-side potential input 402, intake input 404, LCD liquid crystal operation interface 405, is closed a floodgate out at analog quantity electric current input 403 Mouth 406, separating brake outlet 407, alarm signal outlet 408, communicating circuit 409, central processing unit 410 form.The analog quantity is female Line side voltage input 401 generates analog signal using electromagnetic induction principle induction bus bar side voltage by voltage transformer, then turns logical Analog signal is switched to digital signal and passes to the central processing unit 410 by oversampling circuit.Analog quantity voltage side voltage input, Analog signal is generated using electromagnetic induction principle induction cable side voltage by voltage transformer, then is turned analog signal through circuit Switch to digital signal and passes to the central processing unit 410.The analog quantity electric current input 403, utilizes electricity by current transformer Magnetic induction principle incudes bus bar side and the electric current of cable side generates analog signal, then turns that analog signal is switched to number by circuit Signal passes to the central processing unit 410.The intake input 404, will be outer by the way of light-coupled isolation Phototube Coupling Portion's signal passes to the central processing unit 410.LCD liquid crystal operation interface 405 is controlled by the central processing unit 410 System, by the status displays such as electric current, voltage, definite value, electrical quantity and control.The combined floodgate outlet 406, by the central processing unit 410 controls, are made of IGBT, storage capacitor etc., can externally drive closing coil.The separating brake outlet 407, by the centre It manages device 410 to control, is made of IGBT, storage capacitor etc., can externally drive opening coil.The alarm signal outlet 408, by institute The control of central processing unit 410 is stated, is made of relay, triode etc., dry contact signal can be externally provided.The communicating circuit 409, be made of ethernet circuit, RS485 circuit, RS232 circuit, by the central processing unit 410 control, can with it is upper Machine, backstage carry out data exchange, can further show electric current, voltage, state, electrical quantity etc., further can by host computer, Clock synchronization m- voltage-type device in backstage is configured definite value, checks that definite value, setting parameter, remote control separating brake, remote control are closed a floodgate, tested out The a series of operations such as mouth.
Referring to fig. 4, it includes ac contactor pressure regulator 202 and ON-OFF control circuit 201 that module 200, which occurs, for fault current, is handed over Stream contact voltage regulator 202 includes 4 simulated failure buttons for generating electric current and voltage analog, ON-OFF control circuit 201 2011, i.e., Kn_Ia, Kn_Ib, Kn_Ic and Kn_I0 in figure control the three phase terminals of three-phase current and the switch of ground wire, simulation respectively One end of failure button 2011 is connect with ac contactor pressure regulator 202, the other end of simulated failure button 2011 respectively with when it is m- Ia, Ib, Ic of voltage-type protective device 400 are connected with the end I0.Simulated failure button 2011 is arranged in simulant display model 100 On, when pressing simulated failure button 2011, when m- voltage-type protective device 400 receive fault current.
Further, mimic-disconnecting switch module 300 includes switch knob 301, opening button 302, breaker 303 and relay 304, the both ends of switch knob 301 are connected with the combined floodgate buckle releaser HQ of power supply and breaker 303 respectively, and the two of opening button 302 End is connected with the separating brake buckle releaser TQ of power supply and breaker 303 respectively, and opening button 302 and the setting of switch knob 301 are being simulated On display module 100, by pressing 301 manual divide-shut brake of opening button 302 and switch knob.When m- voltage-type protective device 400 separating brake outlet 407 is connected with the separating brake buckle releaser TQ of breaker 303, when m- voltage-type protective device 400 combined floodgate go out Mouth 406 is connected with the combined floodgate buckle releaser HQ of breaker 303, and the switch button of breaker 303 is connect with relay 304.I.e. in figure The switch of relay 304J1-J16 is controlled by combined floodgate buckle releaser HQ and separating brake buckle releaser TQ.Referring to Fig. 3 and Fig. 4, relay The working condition of 304J1-J16 control switch control circuit 201 and indicator light it is bright and dark.First current-limiting resistance R1R1 and point Lock indicator light L1 is sequentially connected in series and passes through the normally-closed contact of relay 304J15 and is connected on electric power loop;Second current-limiting resistance R2R2 and combined floodgate indicator light L2 is sequentially connected in series and passes through the normally opened contact of relay 304J15 and is connected on electric power loop;Third limit Leakage resistance R3R3 and separating brake indicator light L1 is sequentially connected in series and passes through the normally opened contact of relay 304J15 and is connected on electric power loop.
It further, further include communication management unit 500, monitoring computer 600 and display 700, communication management unit 500 For connecting monitoring computer 600 m- voltage-type protective device 400 in time, display 700 and monitoring computer 600 are connected.Prison Each state and fault message for controlling the automatic separating fault of m- voltage-type protective device 400 when computer 600 records, are conveniently looked into See historical record and analysis.
A kind of fault simulation of the present embodiment shows that the device course of work is as follows:
1, route operates normally
Referring to fig. 2 and Fig. 3, when route operates normally, switch FB1, S1, S2, S3, S4, FB2 is in "on" position, right The combined floodgate indicator light L2 on electrical primary wiring simulating display screen is answered to light;L1 is in gate-dividing state, corresponds to electrical primary and connects Separating brake indicator light L1 on line simulating display screen is lighted.
2. pressing simulated failure button 2011K2_Ia, fault simulation shows that device action process is as follows
1 switch FB1 separating brake
The when m- voltage-type protective device 400 for being mounted on switch FB1 detects that the fault current trips immediately, electrical The corresponding combined floodgate indicator light L2 of switch FB1 shown by primary connection simulating display screen goes out, while lighting separating brake indicator light L1.
2 switch S1, switch S2 decompression separating brake
Since left side route is in off-position, the when m- voltage-type protective device 400 for being mounted on switch S1 detects nothing Pressure, control switch S1 trip, and the corresponding combined floodgate indicator light L2 of switch S1 shown by electrical primary wiring simulating display screen goes out, Separating brake indicator light L1 is lighted simultaneously.The when m- voltage-type protective device 400 that the same time is mounted on the tripping of switch S2 decompression detects To no pressure, control switch S2 trips, the corresponding combined floodgate indicator light of switch S2 shown by electrical primary wiring simulating display screen L2 goes out, while lighting separating brake indicator light L1
3) reclosing timing, switch FB1 reclosing
Install switch FB1 when m- 400 fault trip of voltage-type protective device after, start reclosing timing, when coincidence Between then, FB1 switch close a floodgate again, the corresponding separating brake indicator light of switch FB1 shown by electrical primary wiring simulating display screen L1 goes out, while lighting combined floodgate indicator light L2.
4) switch S1 has ballast conjunction, but failure exists, and after S1 reclosing, switch FB1 immediately trips again
Switch FB1 closes a floodgate again, and route has an electricity, and the when m- voltage-type protective device 400 of switch S1 detects that there is pressure on the left side It closes a floodgate after being delayed.The corresponding separating brake indicator light L1 of switch S1 shown by its electrical primary wiring simulating display screen goes out, simultaneously Light combined floodgate indicator light L2.But since failure still remains, switch S1 closes a floodgate, and the when m- voltage-type for being mounted on switch FB1 is protected Device 400 detects that the fault current trips immediately, and switch FB1 shown by electrical primary wiring simulating display screen is corresponding Combined floodgate indicator light L2 goes out, while lighting separating brake indicator light L1.
5 switch S1 decompression separating brakes
Switch FB1 separating brake again, the when m- voltage-type protective device 400 for being mounted on switch S1 detect no pressure, and control is opened S1 tripping is closed, the corresponding combined floodgate indicator light L2 of switch S1 shown by electrical primary wiring simulating display screen goes out, and lights simultaneously Separating brake indicator light L1.
When m- voltage-type protective device 400 locking of 6 switch S1 is closed a floodgate, and is set locking and is closed a floodgate mark
Since switch S1 closing time is less than normal closing time, it is mounted on the when m- voltage-type protective device of switch S1 400 close a floodgate according to record Reflector locking incoming call next time.
7 reclosing timing, switch FB1 reclosing
Install switch FB1 when m- 400 fault trip of voltage-type protective device after, start the second reclosing timing, when weighing Close the time then, FB1 switch closes a floodgate again for the second time, and switch FB1 shown by electrical primary wiring simulating display screen is corresponding Separating brake indicator light L1 goes out, while lighting combined floodgate indicator light L2.
8 switch S1 no longer close a floodgate because locking is closed a floodgate
Since switch FB1 closes a floodgate, route has an electricity, and m- voltage-type protective device 400 detected and pressed but close when switch S1 Sealed lock mark, therefore switch S1 does not close a floodgate.
On the left side route carry out isolated fault point while, i.e., with the second step same time, the right route also synchronize inlet wire Isolated fault point.
9 switch L1 are because left side is without pressing lock
Due to switch S2 separating brake, the when m- voltage-type protective device 400 for being mounted on switch L1 detects that left side unilateral side is lost Pressure is closed a floodgate after delay.The corresponding separating brake indicator light L1 of switch L1 shown by electrical primary wiring simulating display screen It goes out, while lighting combined floodgate indicator light L2.
10 switch S2 have pressing lock because of right side
Due to the combined floodgate of switch L1, there is pressure on the when m- detection of voltage-type protective device 400 the right for being mounted on switch S2, therefore It closes a floodgate after being delayed, corresponding separating brake indicator light L1's electrical primary wiring simulating display screen of switch S2 goes out as shown in Figure 3, together Shi Liangqi combined floodgate indicator light L2.
11) but failure exists, after S2 reclosing, switch FB2 tripping
In the when m- voltage-type protective device for since fault point is between switch S1 and switch S2, being mounted on switch FB2 400 detect fault current in the moment that switch S2 closes a floodgate, therefore switch FB2 trips immediately, electrical primary wiring simulative display The shown corresponding combined floodgate indicator light L2 of switch FB2 of screen goes out, while lighting separating brake indicator light L1.
12) switch S4, switch S3 and switch S2 decompression separating brake
Do not have electricity condition since the right sideline road is in, the when m- voltage-type protective device 400 for being mounted on switch S4 detects Without pressure, control switch S4 tripping, the corresponding combined floodgate instruction of switch S4 as shown in Figure 3 of electrical primary wiring simulating display screen Lamp L2 goes out, while lighting separating brake indicator light L1.The same time is mounted on the when m- voltage-type protective device of switch S3 decompression tripping 400 detect no pressure, and control switch S3 trips, the corresponding combined floodgate of switch S3 shown by electrical primary wiring simulating display screen Indicator light L2 goes out, while lighting separating brake indicator light L1.
The when m- voltage-type protective device 400 that the same time is mounted on the tripping of switch S2 decompression detects no pressure, and control is opened S2 tripping is closed, the corresponding combined floodgate indicator light L2 of switch S2 shown by electrical primary wiring simulating display screen goes out, and lights simultaneously Separating brake indicator light L1.
13) when m- voltage-type protective device 400 locking of switch S2 is closed a floodgate, and is set locking and is closed a floodgate mark
Due to switch FB2 separating brake when closing switch S2, so being mounted on the when m- voltage-type protection dress of switch S2 Set 400 according to record related switching-off time judge fault point between switch S1 and switch S2, therefore be mounted on switch S2 when it is m- Voltage-type protective device 400 issues locking and closes a floodgate order, sets locking and closes a floodgate mark, m- 400 nothing of voltage-type protective device when enabling this Method is overlapped again.
14) reclosing timing, switch FB2 reclosing
Switch FB2 when m- 400 fault trip of voltage-type protective device after, start reclosing timing, timing time arrives , switch FB2 closes a floodgate again.The corresponding separating brake indicator light L1 of switch FB2 shown by electrical primary wiring simulating display screen goes out, Combined floodgate indicator light L2 is lighted simultaneously.
15) switch S4 has pressing lock
Since switch FB2 closes a floodgate again, route has an electricity, and the when m- voltage-type protective device 400 of switch S4 detects right side There is pressure to close a floodgate after being delayed, the corresponding separating brake indicator light L1 of switch S4 shown by electrical primary wiring simulating display screen goes out, together Shi Liangqi combined floodgate indicator light L2.
16) switch S3 has pressing lock
Due to switch FB2 and switch S4 progress reclosing, so being mounted on the when m- voltage-type protective device of switch S3 400 detect that right side has pressure to carry out so closing operation.Switch S3 shown by electrical primary wiring simulating display screen is corresponding Separating brake indicator light L1 goes out, while lighting combined floodgate indicator light L2.
18) switch S2 is because of locking combined floodgate, therefore no longer closes a floodgate
Since switch FB2 closes a floodgate again, route has an electricity, when switch S2 m- voltage-type protective device 400 detected pressure but There is locking to close a floodgate to indicate, therefore switch S2 does not close a floodgate.
19) automatism isolation of fault point between switch S1 and switch S2 is successfully completed.
Electrical primary wiring simulating display screen dynamic shows the action situation at each moment of figure upper switch.It can intuitively see Examine the ground process of automatic separating fault.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to the above embodiments, In The technical field those of ordinary skill within the scope of knowledge, can also make without departing from the purpose of the present invention Various change out.

Claims (9)

1. a kind of fault simulation shows device characterized by comprising
When m- voltage-type protective device (400), when described m- voltage-type protective device (400) respectively with the mimic-disconnecting switch Module (200) connection occurs for module (300) and fault current;
Module (200) occur for fault current, for generating fault current;
Mimic-disconnecting switch module (300) is acted for high voltage breaker simulator;
Simulant display model (100), for showing the state of the mimic-disconnecting switch module (300).
2. a kind of fault simulation according to claim 1 shows device, it is characterised in that: the simulant display model (100) status indicator lamp (101) are equipped with, the status indicator lamp (101) and the mimic-disconnecting switch module (300) connection, The mimic-disconnecting switch module (300) controls the opening and closing of the status indicator lamp (101).
3. a kind of fault simulation according to claim 1 shows device, it is characterised in that: module occurs for the fault current It (200) include ac contactor pressure regulator (202) and ON-OFF control circuit (201), the ac contactor pressure regulator (202) is for producing Raw electric current and voltage analog, the input terminal of the ON-OFF control circuit (201) and the ac contactor pressure regulator (202) are even Connect, the output end of the ON-OFF control circuit (201) with it is described when m- voltage-type protective device (400) connect.
4. a kind of fault simulation according to claim 3 shows device, it is characterised in that: the ON-OFF control circuit It (201) include simulated failure button (2011), one end of the simulated failure button (2011) and the ac contactor pressure regulator (202) connect, the other end of the simulated failure button (2011) with it is described when m- voltage-type protective device (400) connect.
5. a kind of fault simulation according to claim 2 shows device, it is characterised in that: the mimic-disconnecting switch module It (300) include switch knob (301), opening button (302), breaker (303) and relay (304), the switch knob (301) both ends are connected with the combined floodgate buckle releaser HQ of power supply and the breaker (303) respectively, the opening button (302) Both ends are connected with the separating brake buckle releaser TQ of power supply and the breaker (303) respectively, m- voltage-type protective device when described (400) separating brake outlet (407) is connected with the separating brake buckle releaser TQ of the breaker (303), m- voltage-type protection dress when described The combined floodgate outlet (406) for setting (400) is connected with the combined floodgate buckle releaser HQ of the breaker (303), and breaker (303) are opened Button is closed to connect with the relay (304).
6. a kind of fault simulation according to claim 5 shows device, it is characterised in that: the status indicator lamp (101) Including separating brake indicator light L1, combined floodgate indicator light L2 and energy storage indicator light L3, the separating brake indicator light L1, combined floodgate indicator light L2 and storage Energy indicator light L3 is connected with the relay (304) respectively.
7. a kind of fault simulation according to claim 6 shows device, it is characterised in that: further include the first current-limiting resistance R1, the second current-limiting resistance R2 and third current-limiting resistance R3, the first current-limiting resistance R1 and separating brake indicator light L1 are sequentially connected in series simultaneously It is connected on electric power loop by the normally-closed contact of the relay (304);The second current-limiting resistance R2 and combined floodgate indicator light L2 is sequentially connected in series and passes through the normally opened contact of the relay (304) and is connected on electric power loop;The third current-limiting resistance R3 It is sequentially connected in series with separating brake indicator light L1 and the normally opened contact for passing through the relay (304) is connected on electric power loop.
8. a kind of fault simulation according to claim 1 shows device, it is characterised in that: further include communication management unit (500), computer (600) and display (700) are monitored, communication management unit (500) is for connecting the monitoring computer (600) m- voltage-type protective device (400), the display (700) and monitoring computer (600) connect in time.
9. a kind of fault simulation according to claim 1 shows device, it is characterised in that: m- voltage-type protection when described Device (400) includes central processing unit (410) and the analog quantity bus bar side voltage input with the central processing unit (410) connection (401), analog quantity cable-side potential input (402), analog quantity electric current input (403), intake input (404), LCD liquid crystal behaviour Make interface (405), outlet (406) of closing a floodgate, separating brake outlet (407), alarm signal outlet (408) and communicating circuit (409).
CN201910711747.0A 2019-08-02 2019-08-02 A kind of fault simulation displaying device Pending CN110491257A (en)

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CN112485707A (en) * 2020-10-10 2021-03-12 广西电网有限责任公司电力科学研究院 Intelligent distributed feeder automatic test circuit
CN112526258A (en) * 2020-11-16 2021-03-19 广东电网有限责任公司 Distribution network feeder line fixed value calibration table
CN114724442A (en) * 2022-03-26 2022-07-08 润建股份有限公司 Combined type electric fire and safety electricity utilization monitoring system and demonstration method thereof

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CN204833851U (en) * 2015-07-06 2015-12-02 国家电网公司 Can demonstrate appearance by assembled voltage - time type feeder automation
CN106251748A (en) * 2016-10-14 2016-12-21 陈丽黄 A kind of electric power system fault analog
CN210722065U (en) * 2019-08-02 2020-06-09 珠海科盈自动化系统有限公司 Fault simulation display device

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CN102508081A (en) * 2011-11-18 2012-06-20 航天科工深圳(集团)有限公司 Distribution network fault simulating method and device and distribution network system
CN204833851U (en) * 2015-07-06 2015-12-02 国家电网公司 Can demonstrate appearance by assembled voltage - time type feeder automation
CN106251748A (en) * 2016-10-14 2016-12-21 陈丽黄 A kind of electric power system fault analog
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CN112485707A (en) * 2020-10-10 2021-03-12 广西电网有限责任公司电力科学研究院 Intelligent distributed feeder automatic test circuit
CN112526258A (en) * 2020-11-16 2021-03-19 广东电网有限责任公司 Distribution network feeder line fixed value calibration table
CN114724442A (en) * 2022-03-26 2022-07-08 润建股份有限公司 Combined type electric fire and safety electricity utilization monitoring system and demonstration method thereof
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