CN202009232U - Novel arc and resonance extinguishing device - Google Patents
Novel arc and resonance extinguishing device Download PDFInfo
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- CN202009232U CN202009232U CN2011201318668U CN201120131866U CN202009232U CN 202009232 U CN202009232 U CN 202009232U CN 2011201318668 U CN2011201318668 U CN 2011201318668U CN 201120131866 U CN201120131866 U CN 201120131866U CN 202009232 U CN202009232 U CN 202009232U
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Abstract
The utility model discloses a novel arc and resonance extinguishing device relating to a security protection field of electrical equipment. The device comprises a microcomputer processor, wherein the input end of the microcomputer processor is connected with a zero sequence current transformer and a voltage transformer, and the output end of the microcomputer processor is connected with a voltage transformer protection device, a resonance processing device, a polynomial filtration processing device and an arc light processing device; and the novel arc and resonance extinguishing device also comprises an overvoltage suppression circuit, a voltage mutual inductance circuit and an arc light processing circuit, wherein the overvoltage suppression circuit is grounded through an overvoltage suppressor, the voltage mutual inductance circuit is connected with the voltage transformer and the voltage transformer protection device in series through a high-voltage fuse before being grounded, the arc light processing circuit is connected with a vacuum contactor in series through a high-voltage current-limiting fuse before being grounded, and a voltage suppression circuit, the voltage mutual inductance circuit and the arc light processing circuit are connected in parallel before being connected with an isolation switch. The novel arc and resonance extinguishing device integrates the function of high-voltage insulation monitoring and the function of resonance extinguishing (harmonic wave, resonance) protection, most of faults of a non-effective grounding power grid of a neutral point can be automatically processed, and safe operation range of the power grid is greatly expanded.
Description
Technical field:
The utility model relates to operation power device security protection field, is specifically related to a kind of novel extinguishing arc harmonic elimination apparatus.
Background technology:
In the electric power system of a lot of industrial and mining enterprises, most of user's high and low pressure switchgear houses and outdoor on-the-spot thick line are cable substantially, and the high and low pressure circuit mixes, and than comparatively dense, running environment is more abominable.
Along with the development of present electrical network, it is a kind of inexorable trend that overhead transmission line is progressively replaced by the solid insulation circuit.Because the build-up effect that solid insulation punctures, its internal overvoltage, particularly arc grounding overvoltage that produces during electrical network generation single phase intermittent arc grounding and the ferro-resonance over-voltage that excites thus, and system resonance etc., become one of this class electric power netting safe running and threatened greatly.
The utility model content:
Technical problem to be solved in the utility model be to provide a kind of collect extinguishing arc, harmonic elimination, and overvoltage, resonance function be the novel extinguishing arc harmonic elimination apparatus of one.
Technical problem to be solved in the utility model realizes by the following technical solutions,
A kind of novel extinguishing arc harmonic elimination apparatus; include computer processor; the input of computer processor is connected with zero sequence current mutual inductor; voltage transformer; the output of computer processor is connected with the voltage transformer protective device; the resonance processing unit; multinomial filter processing device; the arc light processing unit; it is characterized in that: described novel extinguishing arc harmonic elimination apparatus comprises that also overvoltage suppresses circuit; the mutual induction of voltage circuit; the arc light treatment circuit; described overvoltage suppresses circuit by excess voltage suppressor ground connection; described mutual induction of voltage circuit is by high-tension fuse and described voltage transformer; voltage transformer protective device series connection back ground connection; ground connection after described arc light treatment circuit is connected with vacuum contactor by high-voltage and current-limitation fuse, described voltage-suppressing circuit; the mutual induction of voltage circuit; connect isolation switch after the parallel connection of arc light treatment circuit.
System adopts zero-sequence current sampling and the protection of voltage transformer multilayer.
Described computer processor adopts the input and output interface of two DSP32 bit machines, adopts two DSP32 bit machines, calculates, analysis speed is fast.
The beneficial effects of the utility model are that collection High-Voltage Insulation monitoring and harmonic elimination (harmonic wave, resonance) defencive function are one, and most of fault of neutral non-effective grounding electrical network is handled automatically, and has improved the scope of electric power netting safe running greatly.
Description of drawings:
Fig. 1 is a principle schematic of the present utility model;
Fig. 2 is the connection diagram of voltage-suppressing circuit, mutual induction of voltage circuit, arc light treatment circuit.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiment and diagram, further set forth the utility model.
As shown in Figure 1; a kind of novel extinguishing arc harmonic elimination apparatus; include computer processor; the input of computer processor is connected with zero sequence current mutual inductor, voltage transformer, and the output of computer processor is connected with voltage transformer protective device, resonance processing unit, multinomial filter processing device, arc light processing unit.
As shown in Figure 2; novel extinguishing arc harmonic elimination apparatus comprises that also overvoltage suppresses circuit, mutual induction of voltage circuit, arc light treatment circuit; overvoltage suppresses circuit by excess voltage suppressor 7 ground connection; ground connection after the mutual induction of voltage circuit is connected with voltage transformer 3, voltage transformer protective device 4 by high-tension fuse 2; ground connection after the arc light treatment circuit is connected with vacuum contactor 6 by high-voltage and current-limitation fuse 5 connects isolation switch 1 after voltage-suppressing circuit, mutual induction of voltage circuit, the parallel connection of arc light treatment circuit.
Computer processor adopts the input and output interface of two DSP32 bit machines, adopts two DSP32 bit machines, calculates, analysis speed is fast.System adopts zero-sequence current sampling and the protection of voltage transformer multilayer.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. novel extinguishing arc harmonic elimination apparatus; include computer processor; the input of computer processor is connected with zero sequence current mutual inductor; voltage transformer; the output of computer processor is connected with the voltage transformer protective device; the resonance processing unit; multinomial filter processing device; the arc light processing unit; it is characterized in that: described novel extinguishing arc harmonic elimination apparatus comprises that also overvoltage suppresses circuit; the mutual induction of voltage circuit; the arc light treatment circuit; described overvoltage suppresses circuit by excess voltage suppressor ground connection; described mutual induction of voltage circuit is by high-tension fuse and described voltage transformer; voltage transformer protective device series connection back ground connection; ground connection after described arc light treatment circuit is connected with vacuum contactor by high-voltage and current-limitation fuse, described voltage-suppressing circuit; the mutual induction of voltage circuit; connect isolation switch after the parallel connection of arc light treatment circuit.
2. a kind of novel extinguishing arc harmonic elimination apparatus according to claim 1 is characterized in that: described computer processor adopts the input and output interface of two DSP32 bit machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201318668U CN202009232U (en) | 2011-04-28 | 2011-04-28 | Novel arc and resonance extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201318668U CN202009232U (en) | 2011-04-28 | 2011-04-28 | Novel arc and resonance extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009232U true CN202009232U (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201318668U Expired - Fee Related CN202009232U (en) | 2011-04-28 | 2011-04-28 | Novel arc and resonance extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202009232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801148A (en) * | 2012-08-08 | 2012-11-28 | 陈文根 | Intelligent overvoltage control device |
| CN102914759A (en) * | 2012-11-15 | 2013-02-06 | 陈文根 | Intelligent mutual inductor measuring and controlling device |
| CN106329727A (en) * | 2016-08-30 | 2017-01-11 | 合肥智博电气有限公司 | PT switching mechanism for arc suppression and resonance elimination apparatus |
-
2011
- 2011-04-28 CN CN2011201318668U patent/CN202009232U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801148A (en) * | 2012-08-08 | 2012-11-28 | 陈文根 | Intelligent overvoltage control device |
| CN102914759A (en) * | 2012-11-15 | 2013-02-06 | 陈文根 | Intelligent mutual inductor measuring and controlling device |
| CN106329727A (en) * | 2016-08-30 | 2017-01-11 | 合肥智博电气有限公司 | PT switching mechanism for arc suppression and resonance elimination apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20120428 |