CN106129994A - A kind of novel efficient extinguishing arc and overvoltage protection - Google Patents
A kind of novel efficient extinguishing arc and overvoltage protection Download PDFInfo
- Publication number
- CN106129994A CN106129994A CN201610748704.6A CN201610748704A CN106129994A CN 106129994 A CN106129994 A CN 106129994A CN 201610748704 A CN201610748704 A CN 201610748704A CN 106129994 A CN106129994 A CN 106129994A
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- China
- Prior art keywords
- voltage
- overvoltage protection
- arc
- extinguishing arc
- fuse
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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
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
-
- 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
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
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- Emergency Protection Circuit Devices (AREA)
Abstract
nullThe invention discloses a kind of novel efficient extinguishing arc and overvoltage protection，Belong to extinguishing arc and overvoltage protection field，Including high-voltage and current-limitation fuse、Vacuum contactor、Linear extinguishing arc resistance、Arc-suppressing controller、High-tension fuse、Voltage transformer、Microcomputer、Overvoltage protection controller、Znr、High-voltage quick switch and current signal transducer，Described novel efficient extinguishing arc and overvoltage protection are internally provided with high-voltage and current-limitation fuse、Vacuum contactor、Linear extinguishing arc resistance、Arc-suppressing controller、High-tension fuse、Voltage transformer、Microcomputer、Overvoltage protection controller、Znr、High-voltage quick switch and current signal transducer，This novel efficient extinguishing arc and overvoltage protection cost are low，Novel in design，Easy to use，Novel efficient extinguishing arc and overvoltage protection are provided with extinguishing arc and two kinds of systems of overvoltage protection，Can effectively meet the demand of extinguishing arc and overvoltage protection.
Description
[technical field]
The invention belongs to extinguishing arc and overvoltage protection field, be specifically related to a kind of novel efficient extinguishing arc and overvoltage protection
Device.
[background technology]
The distribution system major part of China below 35kV uses neutral point non-direct grounding system at present, when neutral point is non-straight
When connecing earthed system generation singlephase earth fault, fault current is capacitive current, will light ground connection more than a threshold value
Play unstable electric arc, along with the electromagnetic oscillation of transient process, easily cause single-phase interval arc grounding over-voltage, though amplitude is not
Greatly, if but long-term existence, the equipment that dielectric strength is more weak can be produced harm, and then cause the more serious danger such as phase fault
Evil, further, since the overvoltage phenomenon that resonance overvoltage, switching overvoltage and other reasons cause non-neutral point ground connection is
In system the most relatively common, and overvoltage once occurs often to cause electric equipment to damage or large-area power outage, harm
Property is the biggest.
In neutral point non-direct grounding system, typically use the purpose reaching extinguishing arc by adding arc suppression coil, i.e.
By neutral point through grounding through arc, when system generation single-phase earthing, utilize the inductance current that arc suppression coil produces to event
The capacitance current of barrier point compensates, and makes the residual flow of trouble point reduce, thus reaches the function of blow-out, but due to operation of power networks side
The multiformity of formula and earth fault randomness utilize arc suppression coil to compensate capacitance current to have certain difficulty, and
Arc suppression coil compensates only for power current, to high frequency electric without effective way, owing to limiting the recovery voltage in arc road,
Often arrive peak to occur again puncturing, be thus exaggerated the coefficient of overvoltage, it is impossible to reach preferable effect, and for example fault
It is directly grounded method mutually, judges fault phase owing to entirely accurate can not be reached, easily cause the harm of phase fault；Owing to not consuming
Electric charge unnecessary on bus, once exits, and easily causes PT ferromagnetic resonance；To having the loops such as the high-tension motor of directly joining power supply not
This kind equipment must be used.
Therefore, the problem that those skilled in the art are in the urgent need to address is the most preferably to eliminate lonely light harm, general simultaneously
Arc overvoltage, resonance overvoltage and other types overvoltage are limited in reduced levels.
[summary of the invention]
It is an object of the invention to provide a kind of novel efficient extinguishing arc and overvoltage protection, to solve above-mentioned background
The problem proposed in technology.
For realizing the object of the invention, the technical scheme is that
A kind of novel efficient extinguishing arc and overvoltage protection, belong to extinguishing arc and overvoltage protection field, including high pressure
Limiting fuse, vacuum contactor, linear extinguishing arc resistance, arc-suppressing controller, high-tension fuse, voltage transformer, miniature calculating
Machine, overvoltage protection controller, znr, high-voltage quick switch and current signal transducer, described novel height
Efficiency extinguishing arc and overvoltage protection are internally provided with high-voltage and current-limitation fuse, vacuum contactor, linear extinguishing arc resistance, extinguishing arc
Controller, high-tension fuse, voltage transformer, microcomputer, overvoltage protection controller, znr, height
Pressure high-speed switch and current signal transducer, described arc-extinguishing system inner high voltage limiting fuse, vacuum contactor, linear extinguishing arc electricity
Resistance, arc-suppressing controller and microcomputer, be provided with microcomputer, overvoltage protection control in described overcurrent protection system
Device, znr, high-voltage quick switch and current signal transducer, described high-tension fuse, voltage transformer and
Microcomputer is arranged on the same line.
Further, 3 vacuum contactors, 1 linear extinguishing arc resistance and an extinguishing arc are included inside described arc-extinguishing system
Controller, wherein, the line input of 3 vacuum contactors is corresponding with the triple line of high voltage power supply to be connected, 3 vacuum contactors
Line output terminal is connected with the line input of linear extinguishing arc resistance, the line output terminal ground connection of linear extinguishing arc resistance.
Further, being provided with 3 high-voltage and current-limitation fuses inside described high-tension fuse, wherein the line of high-tension fuse is defeated
Going out end to be connected with the line input of voltage transformer, the line output terminal of voltage transformer connects with the line input of microcomputer
Connect.
Further, 1 overvoltage protection controller, 3 zinc oxide non-thread it are provided with inside described overvoltage protection system
Property resistance, 3 high-voltage quick switch and 3 current signal transducers, wherein the line input of 3 znrs with
The triple line correspondence of high voltage power supply connects, and the line output terminal of 3 znrs is corresponding even with 3 high-voltage quick switch
Connecing, 3 high-voltage quick switch and 3 corresponding connections of current signal transducer, 3 high-voltage quick switch and 3 current signals turn
The equal ground connection of line output terminal of parallel operation.
Compared with prior art, the present invention have the advantages that this novel efficient extinguishing arc and overvoltage protection
Apparatus cost is low, simple in construction, novel in design, easy to use, the arc-extinguishing system of setting be internally provided with high-voltage and current-limitation fuse,
Vacuum contactor, linear extinguishing arc resistance, arc-suppressing controller and microcomputer, it is possible to effectively eliminate electric arc, and can reply immediately soon
Former, the overvoltage protection system of setting is internally provided with microcomputer, overvoltage protection controller, zinc oxide nonlinear electricity
Resistance, high-voltage quick switch and current signal transducer, it is possible to effectively eliminate the overvoltage infringement to equipment.
[accompanying drawing explanation]
Fig. 1 is present configuration schematic diagram.
In figure: 1, high-voltage and current-limitation fuse；2, vacuum contactor；3, linear extinguishing arc resistance；4, arc-suppressing controller；5, high pressure
Fuse；6, voltage transformer；7, microcomputer；8, overvoltage protection controller；9, znr；10, high
Pressure high-speed switch；11, current signal transducer.
[detailed description of the invention]
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with
Detailed description of the invention, is expanded on further the present invention.
As it is shown in figure 1, a kind of novel efficient extinguishing arc and overvoltage protection, belong to extinguishing arc and overvoltage protection neck
Territory, including high-voltage and current-limitation fuse 1, vacuum contactor 2, linear extinguishing arc resistance 3, arc-suppressing controller 4, high-tension fuse 5, voltage
Transformer 6, microcomputer 7, overvoltage protection controller 8, znr 9, high-voltage quick switch 10 and electric current
Signal adapter 11, described novel efficient extinguishing arc and overvoltage protection are internally provided with high-voltage and current-limitation fuse 1, vacuum
Catalyst 2, linear extinguishing arc resistance 3, arc-suppressing controller 4, high-tension fuse 5, voltage transformer 6, microcomputer 7, overvoltage
Protection controller 8, znr 9, high-voltage quick switch 10 and current signal transducer 11, in described arc-extinguishing system
High-voltage and current-limitation fuse 1, vacuum contactor 2, linear extinguishing arc resistance 3, arc-suppressing controller 4 and microcomputer 7, described electricity of crossing is protected
Microcomputer 7, overvoltage protection controller 8, znr 9, high-voltage quick switch 10 it is provided with in protecting system
With current signal transducer 11, described high-tension fuse 5, voltage transformer 6 and microcomputer 7 are arranged on the same line.
Operationally, the voltage signal from voltage transformer 6 is judged the present invention by microcomputer 7: work as equipment
When failure cause is arc grounding, microcomputer 7 starts arc-suppressing controller 4 and is controlled vacuum contactor 2 starting so that
Linear extinguishing arc resistance 3 can work, and is eliminated by arc light so that system is become resistance eutral grounding, when going out from unstable arc grounding
During existing overvoltage load, microcomputer 7 starts overvoltage protection controller 8 and controls to start high-voltage quick switch 10 so that mistake
Voltage is consumed energy on znr 9 so that voltage returns to normal value, current signal transducer 11 perception quilt
The overvoltage of blood pressure lowering is the most normal, and the high-voltage and current-limitation fuse 1 that triple line is arranged can effectively block the high pressure damage to equipment
Evil.
Wherein, the linear extinguishing arc resistance 3 of 3 vacuum contactors 2,1 and an extinguishing arc control are included inside described arc-extinguishing system
Device 4 processed, wherein, the line input of 3 vacuum contactors 2 is corresponding with the triple line of high voltage power supply to be connected, 3 vacuum contactors 2
Line output terminal be connected with the line input of linear extinguishing arc resistance 3, the line output terminal ground connection of linear extinguishing arc resistance 3.
Wherein, described high-tension fuse 5 is internal is provided with 3 high-voltage and current-limitation fuses 1, and wherein the line of high-tension fuse 5 is defeated
Go out end to be connected with the line input of voltage transformer 6, the line output terminal of voltage transformer 6 and the line input of microcomputer 7
Connect.
Wherein, 8,3 zinc oxide nonlinear electricity of 1 overvoltage protection controller it are provided with inside described overvoltage protection system
Hinder 9,3 high-voltage quick switch 10 and 3 current signal transducers 11, wherein the line input of 3 znrs 9
Connection corresponding with the triple line of high voltage power supply, the line output terminal of 3 znrs 9 and 3 high-voltage quick switch 10
Corresponding connection, 3 high-voltage quick switch and 3 corresponding connections of current signal transducer 11,3 high-voltage quick switch 10 and 3
The equal ground connection of line output terminal of current signal transducer 11.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (4)
1. novel efficient extinguishing arc and an overvoltage protection, belongs to extinguishing arc and overvoltage protection field, including high pressure limit
Flow fuse (1), vacuum contactor (2), linear extinguishing arc resistance (3), arc-suppressing controller (4), high-tension fuse (5), voltage are mutual
Sensor (6), microcomputer (7), overvoltage protection controller (8), znr (9), high-voltage quick switch
And current signal transducer (11) (10), it is characterised in that: set inside described novel efficient extinguishing arc and overvoltage protection
It is equipped with high-voltage and current-limitation fuse (1), vacuum contactor (2), linear extinguishing arc resistance (3), arc-suppressing controller (4), high-tension fuse
(5), voltage transformer (6), microcomputer (7), overvoltage protection controller (8), znr (9), high pressure
High-speed switch (10) and current signal transducer (11), vacuum contactor (2) in described arc-extinguishing system, linear extinguishing arc resistance (3),
Arc-suppressing controller (4) and microcomputer (7), be provided with microcomputer (7), overvoltage protection in described overcurrent protection system
Controller (8), znr (9), high-voltage quick switch (10) and current signal transducer (11), described high-voltage fuse
Disconnected device (5), voltage transformer (6) and microcomputer (7) are arranged on the same line, and described high-tension bus-bar is provided with high pressure
Limiting fuse (1).
A kind of novel efficient extinguishing arc the most according to claim 1 and overvoltage protection, it is characterised in that disappear described in:
Arc internal system includes 3 vacuum contactors (2), 1 linear extinguishing arc resistance (3) and an arc-suppressing controller (4), wherein, 3
The line input of vacuum contactor (2) is corresponding with the triple line of high voltage power supply to be connected, the line output terminal of 3 vacuum contactors (2)
It is connected with the line input of linear extinguishing arc resistance (3), the line output terminal ground connection of linear extinguishing arc resistance (3).
A kind of novel efficient extinguishing arc the most according to claim 1 and overvoltage protection, it is characterised in that: described height
Pressure fuse (5) is internal is provided with 3 high-voltage and current-limitation fuses (1), wherein the line output terminal of high-tension fuse (5) and mutual induction of voltage
The line input of device (6) connects, and the line output terminal of voltage transformer (6) is connected with the line input of microcomputer (7).
A kind of novel efficient extinguishing arc the most according to claim 1 and overvoltage protection, it is characterised in that: described mistake
1 overvoltage protection controller (8), 3 znrs (9), 3 high-voltage high-speed it are provided with inside voltage protection system
Switch (10) and 3 current signal transducers (11), wherein the line input of 3 znrs (9) and high-tension electricity
The triple line correspondence in source connects, and the line output terminal of 3 znrs (9) is corresponding with 3 high-voltage quick switch (10)
Connect, 3 high-voltage quick switch and 3 corresponding connections of current signal transducer (11), 3 high-voltage quick switch (10) and 3
The equal ground connection of line output terminal of current signal transducer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748704.6A CN106129994A (en) | 2016-08-28 | 2016-08-28 | A kind of novel efficient extinguishing arc and overvoltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748704.6A CN106129994A (en) | 2016-08-28 | 2016-08-28 | A kind of novel efficient extinguishing arc and overvoltage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106129994A true CN106129994A (en) | 2016-11-16 |
Family
ID=57271960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610748704.6A Pending CN106129994A (en) | 2016-08-28 | 2016-08-28 | A kind of novel efficient extinguishing arc and overvoltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154618A (en) * | 2017-07-10 | 2017-09-12 | 合肥东玖电气有限公司 | A kind of intelligent extinguishing arc of height and over-pressure safety device |
| CN111327034A (en) * | 2018-12-17 | 2020-06-23 | 安徽伟创电力科技有限公司 | Novel high-efficiency arc extinction and overvoltage protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808849A (en) * | 1994-07-01 | 1998-09-15 | Krone Aktiengesellschaft | Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method |
| CN2559153Y (en) * | 2002-06-09 | 2003-07-02 | 朱洪领 | Arc-extinguishing and overvoltage protection device |
| CN2722487Y (en) * | 2004-09-17 | 2005-08-31 | 安徽赛普电力保护有限公司 | Arc and resonance extinction and overvoltage protector |
| CN2817170Y (en) * | 2005-08-19 | 2006-09-13 | 安徽赛普电气有限公司 | Arc-resonance extinction route-selecting over voltage protection device |
| CN201629571U (en) * | 2010-01-27 | 2010-11-10 | 安徽巨森电器有限公司 | Integrated arc distinguishing, harmonic eliminating and line selecting device |
-
2016
- 2016-08-28 CN CN201610748704.6A patent/CN106129994A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808849A (en) * | 1994-07-01 | 1998-09-15 | Krone Aktiengesellschaft | Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method |
| CN2559153Y (en) * | 2002-06-09 | 2003-07-02 | 朱洪领 | Arc-extinguishing and overvoltage protection device |
| CN2722487Y (en) * | 2004-09-17 | 2005-08-31 | 安徽赛普电力保护有限公司 | Arc and resonance extinction and overvoltage protector |
| CN2817170Y (en) * | 2005-08-19 | 2006-09-13 | 安徽赛普电气有限公司 | Arc-resonance extinction route-selecting over voltage protection device |
| CN201629571U (en) * | 2010-01-27 | 2010-11-10 | 安徽巨森电器有限公司 | Integrated arc distinguishing, harmonic eliminating and line selecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154618A (en) * | 2017-07-10 | 2017-09-12 | 合肥东玖电气有限公司 | A kind of intelligent extinguishing arc of height and over-pressure safety device |
| CN111327034A (en) * | 2018-12-17 | 2020-06-23 | 安徽伟创电力科技有限公司 | Novel high-efficiency arc extinction and overvoltage protection device |
| CN111327034B (en) * | 2018-12-17 | 2022-02-18 | 安徽伟创电力科技有限公司 | Arc extinction and overvoltage protection device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |