CN205004744U - Variable voltage arc suppressing coil debugging device - Google Patents
Variable voltage arc suppressing coil debugging device Download PDFInfo
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- CN205004744U CN205004744U CN201520692729.XU CN201520692729U CN205004744U CN 205004744 U CN205004744 U CN 205004744U CN 201520692729 U CN201520692729 U CN 201520692729U CN 205004744 U CN205004744 U CN 205004744U
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Abstract
The utility model relates to an electric power system test technical field's device, in particular to variable voltage arc suppressing coil debugging device, its technical scheme is: including three phase current, grounding transformer, isolator, arc suppressing coil, damping resistance, gear regulating switch, controller, three phase current passes through grounding transformer and connects isolator, and three phase current connection director, isolator pass through the arc suppressing coil and pass through damping resistance connection director, the arc suppressing coil pass through the number of turns that gear regulating switch adjusted the arc suppressing coil, gear regulating switch connection director's gear adjustment button, the beneficial effects of the utility model are that: have advantages such as small, light in weight, the operation of easily carrying, be convenient for.
Description
Technical field
The utility model relates to a kind of device of electric power system technical field of measurement and test, particularly a kind of variable voltage debugging device for arc-suppression coil.
Background technology
Along with economic construction and urban development, built on stilts distribution network overhead line in city just fast substitute by power cable, at present, in 6KV to 66KV electrical network, major part adopts the blowout coil set apparatus of automatic tracking and compensating automatic tuning, when electrical network generation single-phase earthing, earth current obtains effective compensation, coordinates parallel medium resistance line selection apparatus, can be grounded failure line selection.Facts have proved, carry out debugging and adjust before arc suppression coil puts into operation particularly important.The field adjustable of blowout coil set apparatus, compared with other high voltage electric equipments, does not still have ripe equipment, environment, regulation and standard.
For the electric power system of different electric pressure, the earthing mode of its neutral point is different, and main employing small current neutral grounding operational mode in 6 ~ 66KV distribution system, distribution system easily produces arc grounding, causes earth fault, reduces power supply quality.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, a kind of variable voltage debugging device for arc-suppression coil with tracing compensation warning function is provided, the acousto-optic control warning function of single phase ground fault can be realized by setting light warning circuit and sound warning circuit.
Its technical scheme is: comprise three phase mains, grounding transformer, isolating switch, arc suppression coil, damping resistance, gears regulating switch, controller, three phase mains connects isolating switch by grounding transformer, three phase mains connection control device, isolating switch passes through damping resistance connection control device by arc suppression coil, described arc suppression coil regulates the number of turn of arc suppression coil by gears regulating switch, the gear adjusting button of described gears regulating switch connection control device.
Above-mentioned controller connecting lamp optical alarm circuit and sound warning circuit.
In above-mentioned light warning circuit, series resistor R1 and LED between the output P1.0 mouth of C8051F930 single-chip microcomputer and power supply, described resistance R1 is 330 Ω, when the P1.0 mouth output low level of C8051F930 single-chip microcomputer, LED is lit, during output high level, LED is extinguished, adopt timer the P1.0 mouth of control C8051F930 single-chip microcomputer can export the low and high level signal of fixed frequency, the flicker of LED regularity is reported to the police.
In above-mentioned audible alarm circuit, series resistor R2, triode and buzzer between the output P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode conducting, passes through electric current in buzzer; When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in buzzer; When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, can buzzer call be encouraged, produce the audible ringing signal of different frequency.
Above-mentioned buzzer two ends are 3V supply voltage, and the anode of buzzer is directly connected with power supply, and the negative terminal of buzzer connects NPN type triode, adopt C8051F930 single-chip microcomputer generation PWM square wave to realize the control of buzzer sound voice frequency.
The both sides parallel filtering electric capacity of above-mentioned damping resistance, promotes efficient smooth direct current and exports.
The beneficial effects of the utility model are: have volume little, lightweight, be easy to carry about with one, the advantage such as convenient operation, and only need adopt 220V alternating current, maintenance and debugging efforts flow process and time are greatly reduced, economical reliable, great popularization, can realize the acousto-optic control warning function of single phase ground fault by setting light warning circuit and sound warning circuit, avoid producing arc grounding, reduce earth fault, improve power supply quality.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of light warning circuit;
Accompanying drawing 3 is structural representations of audible alarm circuit;
In upper figure: grounding transformer 1, isolating switch 2, arc suppression coil 3, damping resistance 4, gears regulating switch 5, controller 6, filter capacitor 7, LED 8, buzzer 9.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Embodiment implements under premised on technical solution of the present invention, give detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The utility model comprises three phase mains, grounding transformer 1, isolating switch 2, arc suppression coil 3, damping resistance 4, gears regulating switch 5, controller 6, three phase mains connects isolating switch 2 by grounding transformer 1, three phase mains connection control device 6, isolating switch 2 passes through damping resistance 4 connection control device 6 by arc suppression coil 3, described arc suppression coil 3 regulates the number of turn of arc suppression coil 3 by gears regulating switch 5, the gear adjusting button of described gears regulating switch 5 connection control device 6, by adopting 220V alternating current, maintenance and debugging efforts flow process and time are greatly reduced, economical reliable, great popularization, the acousto-optic control warning function of single phase ground fault can be realized by setting light warning circuit and sound warning circuit, avoid producing arc grounding, reduce earth fault, improve power supply quality.
Wherein, controller 6 connecting lamp optical alarm circuit A and sound warning circuit B, realizes light warning and audible alarm.
Wherein, in light warning circuit A, series resistor R1 and LED 8 between the output P1.0 mouth of C8051F930 single-chip microcomputer and power supply, described resistance R1 is 330 Ω, when the P1.0 mouth output low level of C8051F930 single-chip microcomputer, LED 8 is lit, when exporting high level, LED 8 is extinguished, and adopts timer the P1.0 mouth of control C8051F930 single-chip microcomputer can export the low and high level signal of fixed frequency, the flicker of LED 8 regularity is reported to the police.
Wherein, in audible alarm circuit B, series resistor R2, triode and buzzer 9 between the output P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode conducting, passes through electric current in buzzer 9; When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in buzzer 9; When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, buzzer 9 can be encouraged to pipe, produce the audible ringing signal of different frequency.
Wherein, buzzer 9 two ends are 3V supply voltage, and the anode of buzzer 9 is directly connected with power supply, and the negative terminal of buzzer 9 connects NPN type triode, adopt C8051F930 single-chip microcomputer generation PWM square wave to realize the control of buzzer 9 sound frequency.
In addition, the both sides parallel filtering electric capacity 7 of damping resistance 4, promotes efficient smooth direct current and exports.
The above is only preferred embodiment of the present utility model, and any those of ordinary skill in the art all may utilize the technical scheme of above-mentioned elaboration to the utility model correct or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to the technical solution of the utility model or substitute equivalents, belong to the greatest extent the scope that the utility model is claimed.
Claims (6)
1. a variable voltage debugging device for arc-suppression coil, it is characterized in that: comprise three phase mains, grounding transformer (1), isolating switch (2), arc suppression coil (3), damping resistance (4), gears regulating switch (5), controller (6), three phase mains connects isolating switch (2) by grounding transformer (1), three phase mains connection control device (6), isolating switch (2) by arc suppression coil (3) by damping resistance (4) connection control device (6), described arc suppression coil (3) regulates the number of turn of arc suppression coil (3) by gears regulating switch (5), the gear adjusting button of described gears regulating switch (5) connection control device (6).
2. variable voltage debugging device for arc-suppression coil according to claim 1, is characterized in that: described controller (6) connecting lamp optical alarm circuit (A) and sound warning circuit (B).
3. variable voltage debugging device for arc-suppression coil according to claim 2, it is characterized in that: in described light warning circuit (A), series resistor R1 and LED (8) between the output P1.0 mouth of C8051F930 single-chip microcomputer and power supply, described resistance R1 is 330 Ω, when the P1.0 mouth output low level of C8051F930 single-chip microcomputer, LED (8) is lit, during output high level, LED (8) is extinguished, adopt timer the P1.0 mouth of control C8051F930 single-chip microcomputer can export the low and high level signal of fixed frequency, the flicker of LED (8) regularity is reported to the police.
4. variable voltage debugging device for arc-suppression coil according to claim 2, it is characterized in that: in described audible alarm circuit (B), series resistor R2, triode and buzzer (9) between the output P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode conducting, buzzer passes through electric current in (9); When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in buzzer (9); When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, buzzer (9) can be encouraged to pipe, produce the audible ringing signal of different frequency.
5. variable voltage debugging device for arc-suppression coil according to claim 4, it is characterized in that: described buzzer (9) two ends are 3V supply voltage, the anode of buzzer (9) is directly connected with power supply, the negative terminal of buzzer (9) connects NPN type triode, adopts C8051F930 single-chip microcomputer generation PWM square wave to realize the control of buzzer (9) sound frequency.
6. variable voltage debugging device for arc-suppression coil according to claim 1, is characterized in that: both sides parallel filtering electric capacity (7) of described damping resistance (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692729.XU CN205004744U (en) | 2015-09-09 | 2015-09-09 | Variable voltage arc suppressing coil debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692729.XU CN205004744U (en) | 2015-09-09 | 2015-09-09 | Variable voltage arc suppressing coil debugging device |
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| Publication Number | Publication Date |
|---|---|
| CN205004744U true CN205004744U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520692729.XU Expired - Fee Related CN205004744U (en) | 2015-09-09 | 2015-09-09 | Variable voltage arc suppressing coil debugging device |
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| Country | Link |
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| CN (1) | CN205004744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033936A (en) * | 2019-05-14 | 2019-07-19 | 云南电网有限责任公司电力科学研究院 | A kind of compound ground connection arc |
-
2015
- 2015-09-09 CN CN201520692729.XU patent/CN205004744U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033936A (en) * | 2019-05-14 | 2019-07-19 | 云南电网有限责任公司电力科学研究院 | A kind of compound ground connection arc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160127 Termination date: 20160909 |