CN202948634U - Training device for split-phase circuit breaker hydraulic operation mechanism - Google Patents
Training device for split-phase circuit breaker hydraulic operation mechanism Download PDFInfo
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- CN202948634U CN202948634U CN 201220623735 CN201220623735U CN202948634U CN 202948634 U CN202948634 U CN 202948634U CN 201220623735 CN201220623735 CN 201220623735 CN 201220623735 U CN201220623735 U CN 201220623735U CN 202948634 U CN202948634 U CN 202948634U
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Abstract
The utility model discloses a training device for a split-phase circuit breaker hydraulic operation mechanism. The training device comprises a background computer and a training cabinet which is connected with the background computer, a fault imitator, a split-phase circuit breaker, a split-phase circuit breaker operating mechanism and a split-phase circuit breaker control loop which is in a control connection with the split-phase circuit breaker operating mechanism are arranged in the training cabinet, the fault imitator comprises a group of fault setting relays and relay control circuits, the relay control circuits are in control connection with the fault setting relays, the fault imitator is connected with the background computer through a telecommunication line, and corresponding contacts of the fault setting relays are connected in control branch circuits which require for imitating faults in the split-phase circuit breaker control loop in a series connection or parallel connection mode. The training device for the split-phase circuit breaker hydraulic operation mechanism has same circuit structures, logic relations and external representation as a second control loop of an actual hydraulic operation mechanism circuit breaker, primary wiring portions are absent, operation mechanisms and control loops of the operation mechanisms are reserved, and the fault imitator which is in communication connection with the background computer is added.
Description
Technical field
The utility model relates to power industry hydraulic operating mechanism phase-splitting isolating switch training apparatus, is specifically related to a kind of phase-splitting isolating switch hydraulic operating mechanism training set.
Background technology
In transformer station, in a single day isolating switch puts into operation, and isolating switch is not allow at will operation, in case break down, fault is difficult to reproduce.Monitoring, control, adjusting and the protection to primary equipment realized in secondary equipment in power system and loop thereof; the operating condition that can reflect primary equipment; when primary equipment occurs abnormal or breaks down, can send rapidly signal, and excise fast faulty equipment.Therefore, secondary device and loop thereof are the important guarantees of power system security, stable, economical operation, are the indispensable important component parts of transformer station.
In the middle basic unit distribution substation (institute) of electric system; the staff such as power utility check person, distribution operation maintenance work (transformer and distribution station work on duty), distribution test check man, rural power grids distribution business work, relay protection work, DC equipment check man, the debugging and maintenance person of electric substation, electrical measuring instrument worker are equipped with; in order to guarantee the safe and stable operation of transformer station (institute), need to carry out technical training to it.
In general, give the explanation (explanation, picture, multimedia teaching) that at first must carry out theoretical property training, and then carry out emulation, in order to deepen student's understanding, temper its manipulative ability.But existing emulator is less analogue system just, and reality system equipment has very big difference, can not understand in depth between performance index, technical parameter and the system thereof of each equipment and the cooperation of other equipment and interrelated.The training method theoretical property of utilizing this small-sized emulator is strong but lack the training of practical operative ability, makes result of training not good.If give training to the scene, can not guarantee again student's Personal Safety, but also may damage on-site equipment.
Due to the phase-splitting isolating switch hydraulic operating mechanism training set that comparative maturity also do not occur at present, the training that causes being correlated with is difficult to carry out.Therefore; now a kind of for the personnel on 220kV transformer station, power transformation operation, relay protection, power utility check and corresponding management post, the device that especially maintenance provides technical training and industrial grade to identify to phase-splitting isolating switch hydraulic operating mechanism secondary circuit in the urgent need to developing.
The utility model content
The purpose of this utility model is to provide a kind of phase-splitting isolating switch hydraulic operating mechanism training set, provides technical training and industrial grade to identify to realize the personnel on the secondary circuit such as to being engaged in power utility check, transformer station are on duty, relay protection, power transformation operation maintenance and corresponding management post.
in order to realize above purpose, the technical scheme that the utility model adopts is: a kind of phase-splitting isolating switch hydraulic operating mechanism training set, comprise background computer and a training cabinet that is connected with described background computer, be provided with fault simulator in described training cabinet, the phase-splitting isolating switch, the phase-splitting circuit breaker operation mechanism and with the phase-splitting breaker control circuit of its control linkage, described fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, described fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the corresponding contact that described each fault arranges relay is connected in the control branch road of phase-splitting breaker control circuit need simulated failure by the mode of serial or parallel connection respectively, be used for simulation and set fault.
Described phase-splitting breaker control circuit need the control branch road of simulated failure comprise nearly control closing operation control branch road and A mutually far control close a floodgate and control branch road, closely control closing operation control branch road and A mutually far control close a floodgate and control the contact that the fault that is in series with respectively a correspondence in branch road arranges relay.
Described phase-splitting breaker control circuit needs the control branch road of simulated failure also comprise the locking of combined floodgate low oil pressure, infrabar locking and live separating brake low oil pressure lock-in control branch road, and the fault that is parallel with respectively a correspondence in the locking of combined floodgate low oil pressure, infrabar locking and main separating brake low oil pressure lock-in control branch road arranges the contact of relay.
Described phase-splitting breaker control circuit needs the control branch road of simulated failure also to comprise A phase, B phase, C phase three phase electric machine control branch road, and A phase, B phase, C phase three phase electric machine are controlled the contact that the fault that is parallel with respectively a correspondence in branch road arranges relay.
Described phase-splitting breaker control circuit needs the control branch road of simulated failure also to comprise breaker tripping and closing pilot lamp control branch road, and the breaker tripping and closing pilot lamp is controlled the contact that the fault that is in series with a correspondence in branch road arranges relay.
Control relay circuit comprises single-chip microcomputer and the driver that connects in turn, and described background computer is connected with the corresponding control input end of single-chip microcomputer, and the output terminal of driver is connected with the control input end that fault arranges relay.
Also be provided with in described training cabinet be used to the condensation controller that prevents from producing in cabinet condensation.
Also be provided with Speech timer in described training cabinet, described Speech timer and background computer communication connection.
Described training cabinet is provided with for controlling and reaches on the spot the switch that far-end switches.
Described training cabinet is by ac power supply, and described alternating current source is provided with earth leakage protective device, and described earth leakage protective device comprises total leakage switch, current transformer and the total detection of electrical leakage coil that connects in turn.
The utility model phase-splitting isolating switch hydraulic operating mechanism training set component placement has circuit structure, logical relation and the external imagery identical with real hydraulic operating mechanism isolating switch secondary control loop with reference to true hydraulic operating mechanism isolating switch layout type; There is no the primary connection part, reservation operations mechanism and control loop thereof etc. have increased a fault simulator, and fault simulator is connected with the background computer communication.Only need in the enterprising line operate setting of background computer " fault ", fault simulator receives order, by fault, relay array is set and disconnects accordingly or connect the branch road corresponding with " fault " that arrange, reaches the effect of simulated failure; The telltale of isolating switch reasonably is arranged on the panel of training cabinet, and is sent to corresponding background computer by data line, guarantees that the information of background computer output is identical with the information of true background computer output; The direct display system apparatus schematic diagram of intelligence software, fault arranges figure, phenomenon of the failure.Real operating most common failure can be set, arrange in secondary control loop and can by computer-controlled " most common failure point ", in order to by background computer, " fault " is set artificially, allow the student analyze, to search and to get rid of.
Description of drawings
Fig. 1 is phase-splitting isolating switch hydraulic operating mechanism training set theory diagram;
Fig. 2 is phase-splitting isolating switch hydraulic operating mechanism training set schematic diagram;
Fig. 3 is phase-splitting isolating switch hydraulic operating mechanism training set structural drawing;
Fig. 4 is the fault simulator circuit diagram;
Fig. 5 is that phase-splitting isolating switch hydraulic operating mechanism training set divides, the combined floodgate schematic diagram;
Fig. 6 is phase-splitting isolating switch hydraulic operating mechanism training set latch portion schematic diagram;
Fig. 7 is phase-splitting isolating switch hydraulic operating mechanism training set energy storage section schematic diagram;
Fig. 8 is phase-splitting control box schematic diagram.
Embodiment
The utility model is described in more detail below in conjunction with drawings and Examples.
be the utility model phase-splitting isolating switch hydraulic operating mechanism training set theory and structure figure as shown in Figure 1-Figure 3, as seen from the figure, this device comprises background computer and a training cabinet that is connected with background computer, be provided with fault simulator in the training cabinet, the phase-splitting isolating switch, the phase-splitting circuit breaker operation mechanism and with the phase-splitting breaker control circuit of its control linkage, the phase-splitting circuit breaker operation mechanism comprises that phase-splitting control box 1(is as shown in Figure 8) and the auxiliary reclay 8 of control linkage with it, the phase-splitting breaker control circuit comprises mimic-disconnecting switch 5, three-phase suppress motor 11 and with suppress that Electric Machine Control is connected suppress circuit for controlling motor 10, mimic-disconnecting switch is the secondary part of true phase-splitting isolating switch primary system, fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the corresponding contact that each fault arranges relay is connected in the control branch road of phase-splitting breaker control circuit need simulated failure by the mode of serial or parallel connection respectively, is used for simulation and sets fault.
In addition, also be provided with breaker tripping and closing pilot lamp 6 on phase-splitting breaker control circuit of the present utility model; Also be provided with condensation controller and Speech timer 3(WT-CH98 in the training cabinet), condensation controller is used for preventing producing in cabinet condensation; Speech timer and background computer communication connection are used for taking an exam timing and carry out state acquisition when the student taking an examination.
The training cabinet is provided with for controlling and reaches on the spot the switch 2 that far-end switches, namely in Fig. 4 on the spot-distant place switch SK1; Also be provided with isolating switch movement counting part 8 and the time relay 9 in the training cabinet.
The training cabinet is by ac power supply; the alternating current source is provided with earth leakage protective device; earth leakage protective device comprises total air switch, current transformer and the total detection of electrical leakage coil that connects in turn, and the output terminal of total detection of electrical leakage coil is given power devices in the training cabinet by an ac power switch 4.Background computer is communicated to connect in the RS485 mode by communication converter WT-TX02 and the fault simulator WT-CH15A and the Speech timer WT-CH98 that train in cabinet by mains-supplied.
Be illustrated in figure 4 as the circuit diagram of fault simulator, be connected with background computer by 485 modes, accept the fault simulation instruction that computing machine sends, output to each control loop after execution, this is a kind of relay controller, adopt Single-chip Controlling relay mode to realize the switching of various functions, be used for realizing the setting of control loop most common failure.The fault of the present embodiment arranges control relay circuit and comprises single-chip microcomputer and the driver that connects in turn, background computer is connected with the corresponding control input end of single-chip microcomputer, the output terminal of driver and fault arrange relay d1-d9, and the control input end of d14-d16 connects; The contact that fault arranges relay is arranged at the place, corresponding trouble spot of phase-splitting breaker control circuit; Single-chip microcomputer is given fault by driver with signal relay is set, and controls fault the actuating of relay is set, and makes the closing of contact or disconnection, completes fault setting and recovery.
Training set of the present utility model access three-phase alternating-current supply and check errorless after; total power switch closes; press " startup " button on earth leakage protective device or click PC software " startup "; device starts; AC power supply power supply is to fault simulator (WT-CH15) and phase-splitting isolating switch hydraulic operating mechanism; the fault simulator single-chip microcomputer is started working; the control box of phase-splitting is simultaneously started working; to be used complete after; press " stopping " button or click PC software and " stop "; device quits work, and then general supply is disconnected.
As shown in Figure 5, minute, in closing circuit, SM0 for minute, the combined floodgate switch, HR0 is the combined floodgate pilot lamp, HG0 is the tripping operation pilot lamp, K5, K6, K7 are relay auxiliary contact, d14, d15 are respectively the different trouble spot that arranges in jump, closing loop.During combined floodgate, will be on the spot/remote plug SK1 pushes with regard to position, and rotate minute, combined floodgate switch SM0 is to closing position, to closing coil, closing coil gets electric power switch through K5, K6, HR0 is bright for the combined floodgate pilot lamp, closing operation is completed; During separating brake, will be on the spot/remote plug SK1 pushes with regard to position, and rotation divides, closes a floodgate conversion pass SM0 to open position, in the middle of separating brake power supply process K6, K7, the locking relay auxiliary contact are to switching winding, switching winding gets electric, and HG0 is bright for the separating brake pilot lamp, and sub-switching operation is completed.
The utility model phase-splitting isolating switch hydraulic operating mechanism training set fault arranges as shown in the table:
It is as follows that the fault of this training set arranges principle of work: add the trouble spot in closing circuit, describe as an example of the d14 fault example: a contact that fault in Fig. 4 is arranged relay d14 is arranged at as in the closing circuit in Fig. 5, when by background computer software, trouble spot d14 being set, fault in fault simulator arranges relay d14 action, and then make the action of d14 relay contact, closing circuit is cut off.When again closing a floodgate, closing circuit outlet fault just can't be closed a floodgate.
Add the trouble spot in low-voltage blocking loop, describe as an example of the d6 fault example: a contact that fault in Fig. 4 is arranged relay d6 is arranged at as in the low-voltage blocking loop in Fig. 6, when by background computer software, trouble spot d6 being set, in fault simulator, fault arranges relay d6 action, and then make the action of d6 relay contact, low-voltage blocking loop is closed.When the low-voltage blocking loop locking, locking closing circuit, isolating switch just can't be completed closing operation.
As shown in Fig. 5-7, the phase-splitting breaker control circuit needs the control branch road of simulated failure to comprise that far the control combined floodgate is controlled branch road to nearly control closing operation control branch road mutually, the breaker tripping and closing pilot lamp is controlled branch road etc. with A, and the fault that is in series with respectively a correspondence in each corresponding control branch road arranges the contact of relay; Described phase-splitting breaker control circuit need the control branch road of simulated failure also comprise the locking of combined floodgate low oil pressure, infrabar locking and main separating brake low oil pressure lock-in control branch road and A mutually, B phase, C phase three phase electric machine control branch road, the fault that is parallel with respectively a correspondence in each corresponding control branch road arranges the contact of relay, the same d14 of each trouble spot setting principle, d6 are identical, by background computer control single chip computer and then control fault, the action of relay is set, thereby controls being switched on or switched off of respective branch.
The utility model is moved into the laboratory to real phase-splitting hydraulic operating mechanism isolating switch, and can simulate the student and therefrom draw the control cables line to the process of isolating switch and phase-splitting breaker operation cabinet in the chamber of control.The student connect cable complete after and can verify the correctness that connects, and hardware fault can be set, can isolating switch oil pressure that is virtually reality like reality, the locking of SF6 air pressure, oil pressure and SF6 air pressure are too low, spring is on-the-spot common alerting signal and the message such as energy storage not, and can realize distant place control to isolating switch by operation Central Control Room part switch.The Central Control Room that native system is far with on-the-spot middle distance and circuit breaker operation mechanism close as a whole, make understanding control relation and the steering logic between the two that the student can be clear and easy to understand; And can connect cable to the process of circuit breaker mechanism case by Central Control Room by student's exercise.This device is normal operating condition and the malfunction of mimic-disconnecting switch really, and can simulate the typical fault of emerged in operation, adopts real phase-splitting control box, and breaker mechanism adopts the emulation breaker mechanism, and is vivid, true to nature; Real-time communication between training set and background computer, the examination training is convenient, fast.
This device is normal operating condition and the malfunction of mimic-disconnecting switch really, and can simulate the typical fault of emerged in operation, adopts real phase-splitting control box, and breaker mechanism adopts the emulation breaker mechanism, and is vivid, true to nature; Real-time communication between training set and background computer, the examination training is convenient, fast; Can realize the analogue simulation of secondary loop of breaker training set control loop, realize secondary circuit failure setting, theoretical validation, maintenance real training, fault analysis investigation real training function by the software operation platform on the device cabinet.
Claims (10)
1. phase-splitting isolating switch hydraulic operating mechanism training set, it is characterized in that: comprise background computer and a training cabinet that is connected with described background computer, be provided with fault simulator in described training cabinet, the phase-splitting isolating switch, the phase-splitting circuit breaker operation mechanism and with the phase-splitting breaker control circuit of its control linkage, described fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, described fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the corresponding contact that described each fault arranges relay is connected in the control branch road of phase-splitting breaker control circuit need simulated failure by the mode of serial or parallel connection respectively, be used for simulation and set fault.
2. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 1, it is characterized in that: described phase-splitting breaker control circuit need the control branch road of simulated failure comprise nearly control closing operation control branch road and A mutually far control close a floodgate and control branch road, closely control closing operation control branch road and A mutually far control close a floodgate and control the contact that the fault that is in series with respectively a correspondence in branch road arranges relay.
3. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 1 and 2, it is characterized in that: described phase-splitting breaker control circuit needs the control branch road of simulated failure also comprise the locking of combined floodgate low oil pressure, infrabar locking and live separating brake low oil pressure lock-in control branch road, and the fault that is parallel with respectively a correspondence in the locking of combined floodgate low oil pressure, infrabar locking and main separating brake low oil pressure lock-in control branch road arranges the contact of relay.
4. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 1 and 2, it is characterized in that: described phase-splitting breaker control circuit needs the control branch road of simulated failure also to comprise A phase, B phase, C phase three phase electric machine control branch road, and A phase, B phase, C phase three phase electric machine are controlled the contact that the fault that is parallel with respectively a correspondence in branch road arranges relay.
5. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 1 and 2, it is characterized in that: described phase-splitting breaker control circuit needs the control branch road of simulated failure also to comprise breaker tripping and closing pilot lamp control branch road, and the breaker tripping and closing pilot lamp is controlled the contact that the fault that is in series with a correspondence in branch road arranges relay.
6. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 2, it is characterized in that: control relay circuit comprises single-chip microcomputer and the driver that connects in turn, described background computer is connected with the corresponding control input end of single-chip microcomputer, and the output terminal of driver is connected with the control input end that fault arranges relay.
7. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 6, is characterized in that: also be provided with in described training cabinet be used to the condensation controller that prevents from producing in cabinet condensation.
8. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 7, is characterized in that: also be provided with Speech timer in described training cabinet, described Speech timer and background computer communication connection.
9. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 8 is characterized in that: described training cabinet is provided with for controlling and reaches on the spot the switch that far-end switches.
10. phase-splitting isolating switch hydraulic operating mechanism training set according to claim 9; it is characterized in that: described training cabinet is by ac power supply; described alternating current source is provided with earth leakage protective device, and described earth leakage protective device comprises total leakage switch, current transformer and the total detection of electrical leakage coil that connects in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623735 CN202948634U (en) | 2012-11-22 | 2012-11-22 | Training device for split-phase circuit breaker hydraulic operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623735 CN202948634U (en) | 2012-11-22 | 2012-11-22 | Training device for split-phase circuit breaker hydraulic operation mechanism |
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| Publication Number | Publication Date |
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| CN202948634U true CN202948634U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220623735 Expired - Fee Related CN202948634U (en) | 2012-11-22 | 2012-11-22 | Training device for split-phase circuit breaker hydraulic operation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077644A (en) * | 2012-11-22 | 2013-05-01 | 郑州万特电气有限公司 | Split-phase breaker hydraulic operation mechanism training device |
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2012
- 2012-11-22 CN CN 201220623735 patent/CN202948634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077644A (en) * | 2012-11-22 | 2013-05-01 | 郑州万特电气有限公司 | Split-phase breaker hydraulic operation mechanism training device |
| CN103077644B (en) * | 2012-11-22 | 2015-05-13 | 郑州万特电气有限公司 | Split-phase breaker hydraulic operation mechanism training device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |