CN106099897B - Arc-extinguishing resonance-extinguishing device - Google Patents

Arc-extinguishing resonance-extinguishing device Download PDF

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Publication number
CN106099897B
CN106099897B CN201610716566.3A CN201610716566A CN106099897B CN 106099897 B CN106099897 B CN 106099897B CN 201610716566 A CN201610716566 A CN 201610716566A CN 106099897 B CN106099897 B CN 106099897B
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CN
China
Prior art keywords
extinguishing
arc
resonance
side circuit
secondary side
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Application number
CN201610716566.3A
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Chinese (zh)
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CN106099897A (en
Inventor
阚屹峰
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Zhejiang Zhenxin Power Equipment Co., Ltd
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Hefei Zhibo Electric Co Ltd
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Priority to CN201610716566.3A priority Critical patent/CN106099897B/en
Publication of CN106099897A publication Critical patent/CN106099897A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/08Limitation or suppression of earth fault currents, e.g. Petersen coil

Abstract

The invention discloses arc-extinguishing resonance-extinguishing devices, it include the breaker being successively set on primary side circuit, over-current protecting unit and auto-transformer, the output end of primary side circuit is connected with primary side transformer, the output end of primary side transformer is connected with secondary side circuit, arc-extinguishing harmonic-eliminating device is in series on secondary side circuit, the bottom of arc-extinguishing harmonic-eliminating device is provided with ground connection iron plate, arc-extinguishing harmonic-eliminating device includes guard shield and the inner-core and outer core that are arranged inside guard shield, it is provided with Inside coil on the outer wall of inner-core, it connects with secondary side circuit at the both ends of Inside coil, it is provided with external coil on the outer wall of outer core, the both ends of external coil are connected with external power supply, overall structure is simple, reasonable design, the partial discharge quantity of arc-extinguishing resonance-extinguishing device is limited well, product partial discharge is set to reach<5pC, safety is higher, and arc quenching effect is good, and the service life is longer.

Description

Arc-extinguishing resonance-extinguishing device
Technical field
The present invention relates to electrical equipment technical fields, more particularly, to arc-extinguishing resonance-extinguishing device.
Background technology
The effect of arc-extinguishing resonance-extinguishing device is after singlephase earth fault occurs for power grid, and capacitance current, extinguishing arc are flowed through in fault point Harmonic elimination apparatus provides inductive current and compensates, and so that current in the fault point is down to 10A hereinafter, being conducive to weigh after preventing arc light zero passage Combustion achievees the purpose that arc extinguishing, reduces the probability that amplitude overvoltage occurs, prevents accident from further expanding.When arc-extinguishing harmonic-eliminating fills When setting correct tuning, the probability for generating arc grounding over-voltage not only can be effectively reduced, can also effectively inhibit electricity The spoke value of pressure, while also having maximally reduced the voltage etc. of fault point heat damage effect and grounded screen.Existing extinguishing arc disappears Humorous device is mostly complicated, cannot knock out electric arc well, while service life is also shorter.
Invention content
The problem to be solved in the present invention is there is provided a kind of simple structure and reasonable design, arc quenching effect is good, it is safe and The arc-extinguishing resonance-extinguishing device that the service life is longer.
In order to solve the above technical problems, the technical solution adopted by the present invention is:Arc-extinguishing resonance-extinguishing device includes to set gradually The output end of breaker, over-current protecting unit on primary side circuit and auto-transformer, the primary side circuit is connected with The output end of primary side transformer, the primary side transformer is connected with secondary side circuit, is in series on the secondary side circuit Arc-extinguishing harmonic-eliminating device, the bottom of the arc-extinguishing harmonic-eliminating device are provided with ground connection iron plate, the arc-extinguishing harmonic-eliminating device include guard shield with And the inner-core and outer core being arranged inside the guard shield, inner wire is provided on the outer wall of the inner-core Circle, the both ends of the Inside coil are connected with the secondary side circuit, and external coil is provided on the outer wall of the outer core, The both ends of the external coil are connected with external power supply.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein being in series with ammeter on the secondary side circuit.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein being parallel with voltmeter on the secondary side circuit.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein the arc-extinguishing harmonic-eliminating device is fixed on the ground connection iron by pedestal On plate.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein the thickness of the ground connection iron plate is 5-20mm.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein being provided with magnetic masking layer on the inner wall of the guard shield.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein being filled with insulating oil around the external coil.
Preferably, above-mentioned arc-extinguishing resonance-extinguishing device, wherein leader cable is provided at the top of the guard shield, it is described to draw Line cable is connect by insulation sleeve with the guard shield, and wired nose is arranged in the top of the leader cable.
The present invention has the advantage that is with advantageous effect:Arc-extinguishing harmonic-eliminating device, arc-extinguishing harmonic-eliminating device are in series on secondary side circuit Bottom be provided with ground connection iron plate, arc-extinguishing harmonic-eliminating device includes guard shield and the inner-core that is arranged inside guard shield And outer core, Inside coil is provided on the outer wall of inner-core, and the both ends of Inside coil are connected with secondary side circuit, external External coil is provided on the outer wall of iron core, the both ends of external coil are connected with external power supply, and overall structure is simple, and design is closed Reason, limits the partial discharge quantity of arc-extinguishing resonance-extinguishing device, product partial discharge is made to reach well<5pC, safety is higher, arc extinguishing effect Fruit is good, and the service life is longer.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the overall structure diagram of arc-extinguishing harmonic-eliminating device in the present invention.
In figure:1, breaker 2, over-current protecting unit 3, auto-transformer
4, primary side transformer 5, ground terminal 6, load
7, voltmeter 8, ammeter 9, external power supply
10, iron plate 11, pedestal 12, guard shield are grounded
13, magnetic masking layer 14, insulating oil 15, outer core
16, external coil 17, insulation sleeve 18, leader cable
19, line nose 20, inner-core 21, Inside coil
Specific implementation mode
Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As depicted in figs. 1 and 2, arc-extinguishing resonance-extinguishing device includes the breaker 1 being successively set on primary side circuit, mistake Stream protection location 2 and auto-transformer 3, the output end of primary side circuit are connected with primary side transformer 4, primary side transformer 4 Output end be connected with secondary side circuit, be in series on secondary side circuit arc-extinguishing harmonic-eliminating device, ammeter 8 and load 6, secondary side line Road is parallel with voltmeter 7, and the bottom of arc-extinguishing harmonic-eliminating device is provided with ground connection iron plate 10, and the thickness of ground connection iron plate 10 is 5-20mm, Arc-extinguishing harmonic-eliminating device is fixed on by pedestal 11 on ground connection iron plate 10, and the bottom of ground connection iron plate 10 is provided with ground terminal 5, and extinguishing arc disappears Humorous device includes guard shield 12 and the inner-core being arranged inside guard shield 12 20 and outer core 15, guard shield 12 top is provided with leader cable 18, and leader cable 18 is connect by insulation sleeve 17 with guard shield 12, leader cable 18 Wired nose 19, line nose 19 and secondary side connection is arranged in top, and magnetic masking layer 13, magnetic are provided on the inner wall of guard shield 12 Shielded layer 13 can effectively prevent the interference of external magnetic field, and Inside coil 21 is provided on the outer wall of inner-core 20, internal The both ends of coil 21 are connected with secondary side circuit, and external coil 16 is provided on the outer wall of outer core 15, external coil 16 Surrounding is filled with insulating oil 14, and the both ends of external coil 16 are connected with external power supply 9.Overall structure is simple, reasonable design, very well Ground limits the partial discharge quantity of arc-extinguishing resonance-extinguishing device, and product partial discharge is made to reach<5pC, safety is higher, and arc quenching effect is good, makes Use longer life expectancy.
One embodiment of the present invention has been described in detail above, but the content be only the present invention preferable implementation Example should not be construed as limiting the practical range of the present invention.It is all according to all the changes and improvements made by the present patent application range Deng should all still fall within the scope of the patent of the present invention.

Claims (8)

1. arc-extinguishing resonance-extinguishing device, include the breaker (1) being successively set on primary side circuit, over-current protecting unit (2) and The output end of auto-transformer (3), the primary side circuit is connected with primary side transformer (4), the primary side transformer (4) Output end be connected with secondary side circuit, it is characterised in that:Arc-extinguishing harmonic-eliminating device, the extinguishing arc are in series on the secondary side circuit The bottom of resonance eliminator is provided with ground connection iron plate (10), and the arc-extinguishing harmonic-eliminating device includes guard shield (12) and is arranged described The internal inner-core (20) of guard shield (12) and outer core (15) are provided on the outer wall of the inner-core (20) interior The both ends of portion's coil (21), the Inside coil (21) are connected with the secondary side circuit, the outer wall of the outer core (15) On be provided with external coil (16), the both ends of the external coil (16) are connected with external power supply (9).
2. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:It is in series with ammeter on the secondary side circuit (8)。
3. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:It is parallel with voltmeter on the secondary side circuit (7)。
4. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:The arc-extinguishing harmonic-eliminating device is solid by pedestal (11) It is scheduled on the ground connection iron plate (10).
5. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:The thickness of the ground connection iron plate (10) is 5- 20mm。
6. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:It is arranged on the inner wall of the guard shield (12) There is magnetic masking layer (13).
7. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:It is filled with around the external coil (16) Insulating oil (14).
8. arc-extinguishing resonance-extinguishing device according to claim 1, it is characterised in that:It is provided at the top of the guard shield (12) Leader cable (18), the leader cable (18) are connect by insulation sleeve (17) with the guard shield (12), the lead electricity Wired nose (19) is arranged in the top of cable (18).
CN201610716566.3A 2016-08-24 2016-08-24 Arc-extinguishing resonance-extinguishing device Active CN106099897B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610716566.3A CN106099897B (en) 2016-08-24 2016-08-24 Arc-extinguishing resonance-extinguishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610716566.3A CN106099897B (en) 2016-08-24 2016-08-24 Arc-extinguishing resonance-extinguishing device

Publications (2)

Publication Number Publication Date
CN106099897A CN106099897A (en) 2016-11-09
CN106099897B true CN106099897B (en) 2018-07-17

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CN201610716566.3A Active CN106099897B (en) 2016-08-24 2016-08-24 Arc-extinguishing resonance-extinguishing device

Country Status (1)

Country Link
CN (1) CN106099897B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2508356Y (en) * 2001-11-09 2002-08-28 张雅坤 Resonance elimilator
CN2727925Y (en) * 2004-09-20 2005-09-21 何排枝 Resonance eliminating voltage transformer
CN2881910Y (en) * 2006-01-01 2007-03-21 桂林市金源通信有限公司 Adjustable reactance energy-saving coil
CN202363899U (en) * 2011-12-15 2012-08-01 安徽泰瑞通达机电设备有限公司 Primary harmonic eliminator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2508356Y (en) * 2001-11-09 2002-08-28 张雅坤 Resonance elimilator
CN2727925Y (en) * 2004-09-20 2005-09-21 何排枝 Resonance eliminating voltage transformer
CN2881910Y (en) * 2006-01-01 2007-03-21 桂林市金源通信有限公司 Adjustable reactance energy-saving coil
CN202363899U (en) * 2011-12-15 2012-08-01 安徽泰瑞通达机电设备有限公司 Primary harmonic eliminator

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Effective date of registration: 20191217

Address after: 314300 No. 367, Yanbei West Road, Wuyuan street, Haiyan County, Jiaxing City, Zhejiang Province

Patentee after: Zhejiang Zhenxin Power Equipment Co., Ltd

Address before: 230000 Anhui city of Hefei province high tech Zone No. 1689 Shenzhen Xiyou Rd. Digital Industrial Park 6 building C

Patentee before: Hefei Zhibo Electric Co. Ltd.