CN107154616A - A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system - Google Patents
A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system Download PDFInfo
- Publication number
- CN107154616A CN107154616A CN201710529050.2A CN201710529050A CN107154616A CN 107154616 A CN107154616 A CN 107154616A CN 201710529050 A CN201710529050 A CN 201710529050A CN 107154616 A CN107154616 A CN 107154616A
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- Prior art keywords
- module
- voltage
- arc
- overvoltage protection
- vacuum
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
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- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention discloses a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system, including power network, high voltage isolator module, high-voltage and current-limitation fusing module, vacuum contact module, vacuum pressure limiting module, high-voltage fuse module, mutual induction of voltage module, microcomputer control module, infrared detection module, fingerprint identification module, over-voltage protection module and rectifying and voltage-stabilizing module.Beneficial effect:The present invention is monitored by the detecting system being made up of microcomputer control module and mutual induction of voltage module to the running status of system, sending instruction makes vacuum contactor be powered or close, the insulation breakdown short circuit accident and Explosion of on Arrester accident classification for greatly reducing single-phase earthing arc light duration and thus triggering, the setting of vacuum pressure limiting module can restriction arc road recover voltage, no longer restriked after earth current zero passage in Shi Hu roads, while ground arc energy of releasing, eliminates arc light.
Description
Technical field
The present invention relates to a kind of cable, it particularly relates to a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system.
Background technology
Current 3-35KV neutral point indirect earthings, neutral by arc extinction coil grounding or neutral point are through high resistance ground
In power system, because all kinds of overvoltage protection devices are single without extinguishing arc, harmonic elimination function, or function, so as to can not effectively avoid
Because system is alternate and phase ground between the atmospheric over-voltage, single-phase intermittent arc earthing overvoltage, the ferro-resonance over-voltage that trigger etc.
The generation of accident, these overvoltage constitute certain threat to the life-span of power system device and operation safety.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system, existing to overcome
There is the above-mentioned technical problem present in correlation technique.
The technical proposal of the invention is realized in this way:A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system, including power network, height
Press disconnecting switch module, high-voltage and current-limitation fusing module, vacuum contact module, vacuum pressure limiting module, high-voltage fuse module, voltage mutual
Feel module, microcomputer control module, infrared detection module, fingerprint identification module, over-voltage protection module and rectifying and voltage-stabilizing module, the overvoltage protection
Module includes voltage detecting drive module and controlling switch module, wherein, the power network passes through the high voltage isolator module
It is connected respectively with high-voltage and current-limitation fusing module, the high-voltage fuse module and the voltage detecting drive module, the height
Pressure current limliting fusing module is connected by the vacuum contact module with the vacuum pressure limiting module, and the high-voltage fuse module passes through
The mutual induction of voltage module is connected with the microcomputer control module, the microcomputer control module respectively with the infrared detection mould
Block, vacuum contact module and rectifying and voltage-stabilizing module connection, the voltage detecting drive module by the controlling switch module with
The rectifying and voltage-stabilizing module is connected.
Further, the controlling switch module is metal-oxide-semiconductor.
Further, the voltage detecting drive module includes triode and voltage-stabiliser tube.
Further, the base stage B of the triode is connected with the rectifying and voltage-stabilizing module, the emitter E of the triode
It is connected with power network, the transistor collector C is connected with the gate pole of the MOS pipes.
The present invention passes through the running status of the detecting system that is made up of microcomputer control module and mutual induction of voltage module to system
It is monitored, when there is unstable intermittent arc grounding, then sending instruction by microcomputer control module closes vacuum contactor
Close, system is quickly converted to stable metallic earthing, the overvoltage that arc grounding is triggered by unstable arc grounding
Limit on-Line Voltage level, greatly reduce single-phase earthing arc light duration and the insulation breakdown short circuit accident that thus triggers and
Explosion of on Arrester accident classification;The setting of vacuum pressure limiting module can restriction arc road recover voltage, Shi Hu roads are in earth current mistake
No longer restriked after zero, while ground arc energy of releasing, eliminates arc light;The present invention can greatly reduce caused by overvoltage absolutely
All kinds of overvoltage, can be restricted to relatively low level, be greatly reduced the insulation fault caused by overvoltage by edge accident, and it is limited
The function of lake-light grounding surge is more preferably more perfect and simple in construction than installing arc suppression coil, easy to use.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the function structure chart of a kind of arc-extinguishing harmonic-eliminating according to embodiments of the present invention and overvoltage protection system.
In figure:1st, power network;2nd, high voltage isolator module;3rd, high-voltage and current-limitation fusing module;4th, vacuum contact module;5th, it is true
Empty pressure limiting module;6th, high-voltage fuse module;7th, mutual induction of voltage module;8th, microcomputer control module;9th, infrared detection module, fingerprint identification module;10th, mistake
Voltage protection module;11st, rectifying and voltage-stabilizing module;12nd, voltage detecting drive module;13rd, controlling switch module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to what the present invention was protected
Scope.
There is provided a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system for embodiments in accordance with the present invention.
As shown in figure 1, a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system according to embodiments of the present invention, including power network 1, height
Press disconnecting switch module 2, high-voltage and current-limitation fusing module 3, vacuum contact module 4, vacuum pressure limiting module 5, high-voltage fuse module 6,
Mutual induction of voltage module 7, microcomputer control module 8, infrared detection module, fingerprint identification module 9, over-voltage protection module 10 and rectifying and voltage-stabilizing module 11, institute
Stating over-voltage protection module 10 includes voltage detecting drive module 12 and controlling switch module 13, wherein, the power network 1 passes through institute
High voltage isolator module 2 is stated to examine with high-voltage and current-limitation fusing module 3, the high-voltage fuse module 4 and the voltage respectively
Survey drive module 13 to connect, the high-voltage and current-limitation fusing module 3 passes through the vacuum contact module 4 and the vacuum pressure limiting module
5 connections, the high-voltage fuse module 6 is connected by 7 pieces of the mutual induction of voltage mould with the microcomputer control module 8, the microcomputer
Control module 8 is connected with the infrared detection module, fingerprint identification module 9, vacuum contact module 4 and rectifying and voltage-stabilizing module 11 respectively, the voltage inspection
Drive module 12 is surveyed by the controlling switch module 13 with the rectifying and voltage-stabilizing module 11 to be connected.
In addition, in one embodiment, the controlling switch module 13 is metal-oxide-semiconductor.
In addition, in one embodiment, the voltage detecting drive module 12 includes triode and voltage-stabiliser tube.
In addition, in one embodiment, the base stage B of the triode is connected with the rectifying and voltage-stabilizing module, three pole
The emitter E of pipe is connected with power network, and the transistor collector C is connected with the gate pole of the MOS pipes.
In summary, by means of the above-mentioned technical proposal of the present invention, the present invention is by mutual by microcomputer control module 8 and voltage
The detecting system that sense module 7 is constituted is monitored to the running status of system, when there is unstable intermittent arc grounding, then
Sending instruction by microcomputer control module 8 closes vacuum contact module 4, system is quickly converted to by unstable arc grounding
The overvoltage that arc grounding triggers, is limited on-Line Voltage level, greatly reduces single-phase earthing arc light by stable metallic earthing
Duration and the insulation breakdown short circuit accident and Explosion of on Arrester accident classification thus triggered;Vacuum pressure limiting module 5 is set
Put can restriction arc road recover voltage, Shi Hu roads are no longer restriked after earth current zero passage, while ground arc energy of releasing, disappears
Except arc light;The present invention can greatly reduce the insulation fault caused by overvoltage, and all kinds of overvoltage can be restricted to relatively low water
It is flat, it is greatly reduced the insulation fault caused by overvoltage, it limits the function of lake-light grounding surge than installing arc suppression coil
It is more preferably more perfect and simple in construction, it is easy to use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (4)
1. a kind of arc-extinguishing harmonic-eliminating and overvoltage protection system, it is characterised in that including power network(1), high voltage isolator module
(2), high-voltage and current-limitation fusing module(3), vacuum contact module(4), vacuum pressure limiting module(5), high-voltage fuse module(6), voltage
Mutual inductance module(7), microcomputer control module(8), infrared detection module, fingerprint identification module(9), over-voltage protection module(10)With rectifying and voltage-stabilizing module
(11), the over-voltage protection module(10)Including voltage detecting drive module(12)With controlling switch module(13), wherein, institute
State power network(1)Pass through the high voltage isolator module(2)Fuse module with the high-voltage and current-limitation respectively(3), the high-voltage fuse
Disconnected module(4)With the voltage detecting drive module(13)Connection, the high-voltage and current-limitation fusing module(3)Connect by the vacuum
Touch block(4)With the vacuum pressure limiting module(5)Connection, the high-voltage fuse module(6)Pass through the mutual induction of voltage mould(7)Block
With the microcomputer control module(8)Connection, the microcomputer control module(8)Respectively with the infrared detection module, fingerprint identification module(9), vacuum connects
Touch block(4)With rectifying and voltage-stabilizing module(11)Connection, the voltage detecting drive module(12)Pass through the controlling switch module
(13)With the rectifying and voltage-stabilizing module(11)It is connected.
2. a kind of arc-extinguishing harmonic-eliminating according to claim 1 and overvoltage protection system, it is characterised in that the controlling switch
Module(13)For metal-oxide-semiconductor.
3. a kind of arc-extinguishing harmonic-eliminating according to claim 1 and overvoltage protection system, it is characterised in that the voltage detecting
Drive module(12)Including triode and voltage-stabiliser tube.
4. a kind of arc-extinguishing harmonic-eliminating according to claim 3 and overvoltage protection system, it is characterised in that the triode
Base stage B is connected with the rectifying and voltage-stabilizing module, and the emitter E of the triode is connected with power network, the transistor collector C with
The gate pole connection of the MOS pipes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710529050.2A CN107154616A (en) | 2017-07-01 | 2017-07-01 | A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system |
Applications Claiming Priority (1)
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CN201710529050.2A CN107154616A (en) | 2017-07-01 | 2017-07-01 | A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system |
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CN107154616A true CN107154616A (en) | 2017-09-12 |
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CN201710529050.2A Pending CN107154616A (en) | 2017-07-01 | 2017-07-01 | A kind of arc-extinguishing harmonic-eliminating and overvoltage protection system |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200953472Y (en) * | 2006-10-10 | 2007-09-26 | 杜志庭 | Electric power transmitting and distributing system arc light over-voltage comprehensive limiting device |
CN201629265U (en) * | 2010-03-12 | 2010-11-10 | 乐清市黄华铁路机车配件厂 | Arc-less device |
CN202696141U (en) * | 2012-07-13 | 2013-01-23 | 童淮安 | Arc-extinction resonance-elimination device |
CN203367976U (en) * | 2013-08-15 | 2013-12-25 | 济南飞越机电科技有限公司 | Pan and tilt overvoltage protection system |
-
2017
- 2017-07-01 CN CN201710529050.2A patent/CN107154616A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200953472Y (en) * | 2006-10-10 | 2007-09-26 | 杜志庭 | Electric power transmitting and distributing system arc light over-voltage comprehensive limiting device |
CN201629265U (en) * | 2010-03-12 | 2010-11-10 | 乐清市黄华铁路机车配件厂 | Arc-less device |
CN202696141U (en) * | 2012-07-13 | 2013-01-23 | 童淮安 | Arc-extinction resonance-elimination device |
CN203367976U (en) * | 2013-08-15 | 2013-12-25 | 济南飞越机电科技有限公司 | Pan and tilt overvoltage protection system |
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Application publication date: 20170912 |
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