CN107394763A - A kind of electric wire netting arc extinguishing and overvoltage protection system - Google Patents
A kind of electric wire netting arc extinguishing and overvoltage protection system Download PDFInfo
- Publication number
- CN107394763A CN107394763A CN201710529065.9A CN201710529065A CN107394763A CN 107394763 A CN107394763 A CN 107394763A CN 201710529065 A CN201710529065 A CN 201710529065A CN 107394763 A CN107394763 A CN 107394763A
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- China
- Prior art keywords
- module
- voltage
- electric wire
- wire netting
- protection system
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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)
Abstract
The invention discloses a kind of electric wire netting arc extinguishing and overvoltage protection system, including power network, high voltage isolator module, mutual induction of voltage module, control module, high-voltage and current-limitation turn-off module, resistance-capacitance absorption module, high pressure vacuum contact module, infrared circuit module, motor drive electric power module, alarm module, regulator rectifier circuit module, controlling switch module and voltage detecting drive module.Beneficial effect：The safe and stable operation that the present invention can increase substantially power system is horizontal, and all kinds of overvoltage can be restricted to relatively low voltage level, be greatly reduced the accident caused by overvoltage and running fire accident；With perfect over-voltage protection function, atmospheric over-voltage, switching overvoltage and arc grounding over-voltage can be protected, it is more preferable than installing arc suppression coil, more perfect that it limits the function of arc grounding over-voltage；The service condition of power network can be improved, make metal zinc oxide lightning arrester that the probability of accident occur and be greatly lowered, and it is simple in construction, easy to use.
Description
Technical field
The present invention relates to electric power to protect field, it particularly relates to a kind of electric wire netting arc extinguishing and overvoltage protection system.
Background technology
With China to the megatechnics of city and rural power grids transform, city, rural area power distribution network must be to cable
Change development, system capacitive earth current is gradually increasing, and in order to solve the above problems, many power networks employ resonance grounding side
Formula, i.e., extinguisher is installed in power network, when single-phase arc grounding occurs for system, utilize inductance current pair event caused by extinguisher
Barrier point capacitance current compensates, and fault residual current reduction is flowed through, so as to reach nature blow-out.Practical operating experiences prove,
The power network of neutral by arc extinction coil grounding, device damage and influence system operation peace as caused by single-phase arc grounding over-voltage
Full accident still happens occasionally.Its reason be due to power system operating mode variation and arc grounding point randomness, extinguishing arc
Coil will carry out effective compensation to capacitance current and truly have difficulty, and arc suppression coil only compensates for power frequency capacitance current, and actual
Do not only have power frequency electric capacitance current by the electric current of earth point, and comprising substantial amounts of high frequency electric and current in resistance property, when serious only
The sustained combustion of high frequency electric and current in resistance property can pilot arc.Based in some cases, because of the presence of arc suppression coil,
Arc reignition may just occur recovering this maximum least favorable moment of voltage, raise arc grounding over-voltage.With town and country
Requirement more and more higher of the development and production, life of power network to power supply reliability, harm and spread area caused by each accident
It certainly will increase, various overvoltage have larger threat to equipment and electric power netting safe running.
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 propose a kind of electric wire netting arc extinguishing 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 electric wire netting arc extinguishing and overvoltage protection system, including power network, height
Pressure disconnecting switch module, mutual induction of voltage module, control module, high-voltage and current-limitation turn-off module, resistance-capacitance absorption module, high pressure vacuum connect
Touch block, infrared circuit module, motor drive electric power module, alarm module, regulator rectifier circuit module, controlling switch mould
Block and voltage detecting drive module, wherein, the power network passes through the high voltage isolator module and the mutual induction of voltage module
Connection, the mutual induction of voltage module are connected with the control module and the high-voltage and current-limitation turn-off module respectively, the high pressure limit
Stream turn-off module contact respectively with the resistance-capacitance absorption module and the high pressure vacuum module connect, the control module respectively with
The resistance-capacitance absorption module, high pressure vacuum contact module, the infrared circuit module, the motor drive electric power mould
Block, the alarm module and the regulator rectifier circuit module are sequentially connected, and the regulator rectifier circuit module passes through the control
Switch module processed is connected with the voltage detecting drive module.
Further, the resistance-capacitance absorption module is in series by resistance and electric capacity.
Further, the controlling switch module is metal-oxide-semiconductor.
Further, the model IRF9630 of the metal-oxide-semiconductor.
Further, the voltage detecting drive circuit module includes triode and voltage-stabiliser tube.
Further, the base stage B of the triode is connected with the voltage-stabiliser tube, and emitter E and the power supply of the triode connect
Connect, the transistor collector C is connected with the gate pole of the MOS pipes.
Further, the triode model MMBTA92.
The present invention has the beneficial effect that：The electric wire netting arc extinguishing and overvoltage protection system of the present invention can increase substantially power train
The safe and stable operation of system is horizontal, and all kinds of overvoltage can be restricted to relatively low voltage level, make the accident caused by overvoltage
And running fire accident is greatly reduced；The present invention has perfect over-voltage protection function, can protect atmospheric over-voltage, switching overvoltage
And arc grounding over-voltage, it is more preferable than installing arc suppression coil, more perfect that it limits the function of arc grounding over-voltage；The present invention
The service condition of power network can be improved, make metal zinc oxide lightning arrester that the probability of accident occur and be greatly lowered, and it is simple in construction, make
With conveniently.
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 electric wire netting arc extinguishing and overvoltage protection system according to embodiments of the present invention.
In figure：1st, power network；2nd, high voltage isolator module；3rd, mutual induction of voltage module；4th, control module；5th, high-voltage and current-limitation breaks
Road module；6th, resistance-capacitance absorption module；7th, high pressure vacuum contact module；8th, infrared circuit module；9th, motor drive electric power mould
Block；10th, alarm module；11st, regulator rectifier circuit module；12nd, controlling switch module；13rd, voltage detecting drive 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 describes, it is clear that described embodiment is only part of the embodiment of the present 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, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided a kind of electric wire netting arc extinguishing and overvoltage protection system.
As shown in figure 1, electric wire netting arc extinguishing and overvoltage protection system according to embodiments of the present invention, including power network 1, high pressure every
From switch module 2, mutual induction of voltage module 3, control module 4, high-voltage and current-limitation turn-off module 5, resistance-capacitance absorption module 6, high pressure vacuum
Contact module 7, infrared circuit module 8, motor drive electric power module 9, alarm module 10, regulator rectifier circuit module 11,
Controlling switch module 12 and voltage detecting drive module 13, wherein, the power network 1 by the high voltage isolator module 2 with
The mutual induction of voltage module 3 connects, and the mutual induction of voltage module 3 is breaking with the control module 4 and the high-voltage and current-limitation respectively
Module 5 connects, and the high-voltage and current-limitation turn-off module 5 contacts module 7 with the resistance-capacitance absorption module 6 and the high pressure vacuum respectively
Connection, the control module 4 contact module 7, the infrared detection with the resistance-capacitance absorption module 6, the high pressure vacuum respectively
Circuit module 8, the motor drive electric power module 9, the alarm module 10 and the regulator rectifier circuit module 11 connect successively
Connect, the regulator rectifier circuit module 11 is connected by the controlling switch module 12 with the voltage detecting drive module 13.
In one embodiment, the resistance-capacitance absorption module 6 is in series by resistance and electric capacity.
In one embodiment, the controlling switch module 12 is metal-oxide-semiconductor.
In one embodiment, the model IRF9630 of the metal-oxide-semiconductor.
In one embodiment, the voltage detecting drive circuit module 13 includes triode and voltage-stabiliser tube.
In one embodiment, the base stage B of the triode is connected with the voltage-stabiliser tube, the emitter E of the triode
It is connected with power supply, the transistor collector C is connected with the gate pole of the MOS pipes.
In one embodiment, the triode model MMBTA92.
In summary, by means of the above-mentioned technical proposal of the present invention, electric wire netting arc extinguishing and overvoltage protection system of the invention
It is horizontal that the safe and stable operation of power system can be increased substantially, all kinds of overvoltage can be restricted to relatively low voltage level,
It is greatly reduced the accident caused by overvoltage and running fire accident；The present invention has perfect over-voltage protection function, can protect
Atmospheric over-voltage, switching overvoltage and arc grounding over-voltage, it limits the function of arc grounding over-voltage than installing extinguishing arc
Coil is more preferable, more perfect；The present invention can improve the service condition of power network, make metal zinc oxide lightning arrester that the probability of accident occur
It is greatly lowered, and it is simple in construction, 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 any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
1. a kind of electric wire netting arc extinguishing and overvoltage protection system, it is characterised in that including power network（1）, high voltage isolator module
（2）, mutual induction of voltage module（3）, control module（4）, high-voltage and current-limitation turn-off module（5）, resistance-capacitance absorption module（6）, high pressure vacuum
Contact module（7）, infrared circuit module（8）, motor drive electric power module（9）, alarm module（10）, regulator rectifier circuit
Module（11）, controlling switch module（12）With voltage detecting drive module（13）, wherein, the power network（1）Pass through the high pressure
Disconnecting switch module（2）With the mutual induction of voltage module（3）Connection, the mutual induction of voltage module（3）Respectively with the control mould
Block（4）With the high-voltage and current-limitation turn-off module（5）Connection, the high-voltage and current-limitation turn-off module（5）Respectively with the resistance-capacitance absorption
Module（6）Module is contacted with the high pressure vacuum（7）Connection, the control module（4）Respectively with the resistance-capacitance absorption module
（6）, high pressure vacuum contact module（7）, the infrared circuit module（8）, the motor drive electric power module（9）、
The alarm module（10）And the regulator rectifier circuit module（11）It is sequentially connected, the regulator rectifier circuit module（11）It is logical
Cross the controlling switch module（12）With the voltage detecting drive module（13）Connection.
2. a kind of electric wire netting arc extinguishing according to claim 1 and overvoltage protection system, it is characterised in that the resistance-capacitance absorption
Module（6）It is in series by resistance and electric capacity.
3. a kind of electric wire netting arc extinguishing according to claim 1 and overvoltage protection system, it is characterised in that the controlling switch
Module（12）For metal-oxide-semiconductor.
4. a kind of electric wire netting arc extinguishing according to claim 3 and overvoltage protection system, it is characterised in that the metal-oxide-semiconductor
Model IRF9630.
5. a kind of electric wire netting arc extinguishing according to claim 1 and overvoltage protection system, it is characterised in that the voltage detecting
Drive circuit module（13）Including triode and voltage-stabiliser tube.
6. a kind of electric wire netting arc extinguishing and overvoltage protection system according to claim 4 or 5, it is characterised in that the three-level
The base stage B of pipe is connected with the voltage-stabiliser tube, and the emitter E of the triode is connected with power supply, the transistor collector C and institute
State the gate pole connection of MOS pipes.
7. a kind of electric wire netting arc extinguishing according to claim 5 and overvoltage protection system, it is characterised in that the triode type
Number it is MMBTA92.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529065.9A CN107394763A (en) | 2017-07-01 | 2017-07-01 | A kind of electric wire netting arc extinguishing and overvoltage protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529065.9A CN107394763A (en) | 2017-07-01 | 2017-07-01 | A kind of electric wire netting arc extinguishing and overvoltage protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394763A true CN107394763A (en) | 2017-11-24 |
Family
ID=60334051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710529065.9A Pending CN107394763A (en) | 2017-07-01 | 2017-07-01 | A kind of electric wire netting arc extinguishing and overvoltage protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038508A (en) * | 2018-08-09 | 2018-12-18 | 安徽亚辉电气自动化有限公司 | A kind of overvoltage protection alarm system |
| CN111123073A (en) * | 2019-12-27 | 2020-05-08 | 天津芯海创科技有限公司 | Quick self-checking device of hardware board card |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201260077Y (en) * | 2008-09-03 | 2009-06-17 | 魏福道 | Arc extinguishing device grounded through high frequency damp element |
| CN105140904A (en) * | 2014-06-05 | 2015-12-09 | 国网山西省电力公司电力科学研究院 | Power arc extinguishing system |
| CN105355482A (en) * | 2015-12-10 | 2016-02-24 | 江苏兆伏新能源有限公司 | DC arc-extinguishing circuit |
| EP2555367B1 (en) * | 2011-08-05 | 2016-04-27 | Siemens Aktiengesellschaft | Arc fault protective circuit with excess voltage protection |
| CN205921376U (en) * | 2016-07-01 | 2017-02-01 | 上海芯导电子科技有限公司 | Overvoltage protection circuit |
-
2017
- 2017-07-01 CN CN201710529065.9A patent/CN107394763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201260077Y (en) * | 2008-09-03 | 2009-06-17 | 魏福道 | Arc extinguishing device grounded through high frequency damp element |
| EP2555367B1 (en) * | 2011-08-05 | 2016-04-27 | Siemens Aktiengesellschaft | Arc fault protective circuit with excess voltage protection |
| CN105140904A (en) * | 2014-06-05 | 2015-12-09 | 国网山西省电力公司电力科学研究院 | Power arc extinguishing system |
| CN105355482A (en) * | 2015-12-10 | 2016-02-24 | 江苏兆伏新能源有限公司 | DC arc-extinguishing circuit |
| CN205921376U (en) * | 2016-07-01 | 2017-02-01 | 上海芯导电子科技有限公司 | Overvoltage protection circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038508A (en) * | 2018-08-09 | 2018-12-18 | 安徽亚辉电气自动化有限公司 | A kind of overvoltage protection alarm system |
| CN111123073A (en) * | 2019-12-27 | 2020-05-08 | 天津芯海创科技有限公司 | Quick self-checking device of hardware board card |
| CN111123073B (en) * | 2019-12-27 | 2022-05-10 | 天津芯海创科技有限公司 | Quick self-checking device of hardware board card |
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Application publication date: 20171124 |
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