CN107394762A - A kind of distribution extinguishing arc and overvoltage protection system - Google Patents
A kind of distribution extinguishing arc and overvoltage protection system Download PDFInfo
- Publication number
- CN107394762A CN107394762A CN201710529062.5A CN201710529062A CN107394762A CN 107394762 A CN107394762 A CN 107394762A CN 201710529062 A CN201710529062 A CN 201710529062A CN 107394762 A CN107394762 A CN 107394762A
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- core
- resistance
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of distribution extinguishing arc and overvoltage protection system; including main body; the main body includes internal layer and outer layer; the internal layer includes wire rope core; the outer surface of the wire rope core is woven with some steel wire ropes, and the wire rope core is connected matcoveredn one with the outer surface of the steel wire rope, and the outer layer includes stock core; the outer surface of the stock core is woven with multiply rope strand, the periphery of the rope strand and is enclosed with rubber filling layer in the accommodating chamber of the outer layer.Beneficial effect：The present invention makees wire rope core by using macromolecular fibre and polyester fiber makees rope strand, cable high intensity, wear-resisting, corrosion-resistant, elastic and lightweight characteristic is set to get a promotion, by setting internal layer and outer layer, the high intensity and abrasion resistance properties of cable are greatly improved by the configuration of the structure of steel wire rope and wire stranding core, the high intensity of the present invention, lightweight, flatness are long, characteristic resistant to chemical etching is high, service life length.
Description
Technical field
The present invention relates to distribution system to protect field, it particularly relates to a kind of distribution extinguishing arc and overvoltage protection system.
Background technology
At present, the major measure for limiting arc grounding over-voltage is still through grounding through arc by neutral point of electric network.But disappear
Arc coil can not limit intermittent arcing ground over-voltage, or even the presence because of arc suppression coil, and arc reignition may recover
The voltage maximum moment just occurs, and makes arc grounding over-voltage higher.Arc suppression coil is unable to the high fdrequency component in compensation of ground electric current
And active component, the indirect arc earth fault of high frequency can not eliminate, when active component is more than certain value, trouble point ground connection
Electric arc is equally unable to self-extinguishment.Practical operating experiences also demonstrate that, in 3~35KV power networks of neutral by arc extinction coil grounding, by
The accident that arc grounding and resonance trigger happens occasionally.One kind is needed to eliminate arc grounding in power system rapidly at this stage
And the distribution guard system of harm that resonance is brought to electrical equipment.
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 distribution extinguishing arc 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 distribution extinguishing arc and overvoltage protection system, including power network, height
Press isolation module, over-voltage protection module, high-voltage fuse module, mutual induction of voltage module, microcomputer control module, high-voltage and current-limitation fusing
Module, vacuum contact module, resistance-capacitance absorption module, infrared detection module, fingerprint identification module and alarm module, wherein the power network passes through the height
Pressure isolation module is connected with the over-voltage protection module, the high-voltage fuse module and high-voltage and current-limitation fusing module respectively, institute
State high_voltage isolation module by the over-voltage protection module and the high-voltage fuse module respectively with the mutual induction of voltage module
Be connected, the high_voltage isolation module by the high-voltage and current-limitation fuse module respectively with the resistance-capacitance absorption module and the vacuum
Contact module be connected, the microcomputer control module respectively with the mutual induction of voltage module, the resistance-capacitance absorption module, the vacuum
Contact module, the infrared detection module, fingerprint identification module are connected with the alarm module.
Further, the resistance-capacitance absorption module is in series by resistance and electric capacity.
Further, the over-voltage protection module is three combination overvoltage protectors, and described is three phase combined
The three-phase port of overvoltage protection device is connected with the three of the high-voltage fuse module mesohigh fuse respectively is followed by the height
Press three-phase high-voltage isolating switch in isolation module.
The present invention judges event using microcomputer control module as core control part according to the signal of mutual induction of voltage module offer
Hinder separate and fault type and show, facilitate staff to check and judge, quick action of the present invention, effectively solved
It is the problems such as extinguishing arc, harmonic elimination and simple in construction in voltage protection, it is easy for installation.
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 distribution extinguishing arc according to embodiments of the present invention and overvoltage protection system.
In figure：1st, power network；2nd, high_voltage isolation module；3rd, over-voltage protection module；4th, high-voltage fuse module；5th, mutual induction of voltage
Module；6th, microcomputer control module；7th, high-voltage and current-limitation fusing module；8th, vacuum contact module；9th, resistance-capacitance absorption module；10th, it is infrared
Detection module；11st, alarm 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 distribution extinguishing arc and overvoltage protection system.
As shown in figure 1, a kind of distribution extinguishing arc according to embodiments of the present invention and overvoltage protection system, including power network 1, height
Press isolation module 2, over-voltage protection module 3, high-voltage fuse module 4, mutual induction of voltage module 5, microcomputer control module 6, high pressure limit
Stream fusing module 7, vacuum contact module 8, resistance-capacitance absorption module 9, infrared detection module, fingerprint identification module 10 and alarm module 11, wherein the electricity
Net 1 by the high_voltage isolation module 2 respectively with the over-voltage protection module 3, the high-voltage fuse module 4 and high-voltage and current-limitation
The module 7 that fuses is connected, and the high_voltage isolation module 2 is distinguished by the over-voltage protection module 3 and the high-voltage fuse module 4
Be connected with the mutual induction of voltage module 5, the high_voltage isolation module 2 by the high-voltage and current-limitation fuse module 7 respectively with it is described
Resistance-capacitance absorption module 9 is connected with the vacuum contact module 10, the microcomputer control module 6 respectively with the mutual induction of voltage module
5th, the resistance-capacitance absorption module 9, the vacuum contact module 8, the infrared detection module, fingerprint identification module 10 are connected with the alarm module 11.
The present invention is core control part with microcomputer control module 6, is judged according to the signal of the offer of mutual induction of voltage module 5
Failure is separate and fault type and shows, facilitates staff to check and judge,
If earth fault is unstable intermittent arc grounding, the microcomputer arc extinguishing controller of microcomputer control module 6 judges
What is be grounded is separate, and being simultaneously emitted by instruction closes the vacuum contactor of failure phase, makes system quick by unstable arc grounding
It is transformed into stable metallic earthing, faulted phase voltage is reduced to zero, and electric arc disappears.After several seconds, then the high pressure vacuum of ground connection is made to connect
Tentaculum disconnects, and at this moment mutually accesses rc absorber in failure, if failure vanishes, it is because of overvoltage to illustrate this arc-earth faults
Instantaneity earth fault caused by impact, system recover normal operation.After if contactor disconnects, system hinders phase in cause again
There is stable arcing ground, device assert that this failure is permanent arc-earth faults, then closes the height of failure phase again
Vacuum contactor is pressed, waits operator on duty or microcomputer route selection processing.Quick action of the present invention, effectively solves overvoltage
It is the problems such as extinguishing arc, harmonic elimination and simple in construction in protection device, it is easy for installation.
In addition, in one embodiment, the resistance-capacitance absorption module 9 is in series by resistance and electric capacity.
In addition, in one embodiment, the over-voltage protection module 3 is three combination overvoltage protectors, described
The three-phase port of three phase combined over-voltage protector be connected respectively with the three of the mesohigh fuse of high-voltage fuse module 4
Connect and be followed by three-phase high-voltage isolating switch in the high_voltage isolation module 2.
In summary, by means of the above-mentioned technical proposal of the present invention, the present invention is with microcomputer control module 6 for core control unit
Part, judge separate failure and fault type according to the signal of the offer of mutual induction of voltage module 5 and show, facilitate staff to check
And judgement, quick action of the present invention, effectively solve the problems such as extinguishing arc in overvoltage protection, harmonic elimination and structure letter
It is single, it is easy for installation.
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 (3)
1. a kind of distribution extinguishing arc and overvoltage protection system, it is characterised in that including power network（1）, high_voltage isolation module（2）, mistake
Voltage protection module（3）, high-voltage fuse module（4）, mutual induction of voltage module（5）, microcomputer control module（6）, high-voltage and current-limitation fusing
Module（7）, vacuum contact module（8）, resistance-capacitance absorption module（9）, infrared detection module, fingerprint identification module（10）And alarm module（11）, wherein institute
State power network（1）Pass through the high_voltage isolation module（2）Respectively with the over-voltage protection module（3）, the high-voltage fuse module
（4）With high-voltage and current-limitation fusing module（7）It is connected, the high_voltage isolation module（2）Pass through the over-voltage protection module（3）And institute
State high-voltage fuse module（4）Respectively with the mutual induction of voltage module（5）It is connected, the high_voltage isolation module（2）Pass through the height
Press current limliting fusing module（7）Respectively with the resistance-capacitance absorption module（9）With the vacuum contact module（10）It is connected, the microcomputer
Control module（6）Respectively with the mutual induction of voltage module（5）, the resistance-capacitance absorption module（9）, the vacuum contact module（8）、
The infrared detection module, fingerprint identification module（10）With the alarm module（11）It is connected.
2. a kind of distribution extinguishing arc according to claim 1 and overvoltage protection system, it is characterised in that the resistance-capacitance absorption
Module（9）It is in series by resistance and electric capacity.
3. a kind of distribution extinguishing arc according to claim 1 and overvoltage protection system, it is characterised in that the overvoltage is protected
Protect module（3）For three combination overvoltage protectors, the three-phase port of described three phase combined over-voltage protector is distinguished
With the high-voltage fuse module（4）The three of mesohigh fuse, which are connected, is followed by the high_voltage isolation module（2）Middle three-phase high-voltage
Disconnecting switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529062.5A CN107394762A (en) | 2017-07-01 | 2017-07-01 | A kind of distribution extinguishing arc and overvoltage protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529062.5A CN107394762A (en) | 2017-07-01 | 2017-07-01 | A kind of distribution extinguishing arc and overvoltage protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394762A true CN107394762A (en) | 2017-11-24 |
Family
ID=60333952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710529062.5A Pending CN107394762A (en) | 2017-07-01 | 2017-07-01 | A kind of distribution extinguishing arc and overvoltage protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394762A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202309066U (en) * | 2011-10-11 | 2012-07-04 | 合肥伟创电力技术有限公司 | Intelligent fast arc-extinction harmonic-extinction line selection and overvoltage protection device |
| CN104868462A (en) * | 2015-06-01 | 2015-08-26 | 安徽禄讯电子科技有限公司 | Microcomputer arc-extinguishing, harmonic-eliminating and overvoltage-protecting device |
| 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 |
-
2017
- 2017-07-01 CN CN201710529062.5A patent/CN107394762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202309066U (en) * | 2011-10-11 | 2012-07-04 | 合肥伟创电力技术有限公司 | Intelligent fast arc-extinction harmonic-extinction line selection and overvoltage protection device |
| 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 |
| CN104868462A (en) * | 2015-06-01 | 2015-08-26 | 安徽禄讯电子科技有限公司 | Microcomputer arc-extinguishing, harmonic-eliminating and overvoltage-protecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201146385Y (en) | Apparatus for discrimination and protection of eliminating single phase ground fault of neutral point non-useful earthing electric network | |
| CN104779604B (en) | A kind of neutral-point grounding resistance cabinet | |
| CN103762515A (en) | Switchgear including a circuit breaker having a trip unit with an interface | |
| CN108631311A (en) | A kind of communication base station for electric installation | |
| CN107884665A (en) | Prevent the device and method of generator outlet voltage transformer turn-to-turn short circuit false tripping machine | |
| US20020089799A1 (en) | Ground fault circuit interrupter | |
| CN106970289A (en) | The method for detecting the interruption of the active conductor of ungrounded DC-voltage supply system | |
| CN106058819B (en) | Voltage blocking formula arc light protecting system and method | |
| CN107394762A (en) | A kind of distribution extinguishing arc and overvoltage protection system | |
| CN102064528A (en) | Transformer neutral point earth protection device | |
| CN110535116A (en) | A kind of arc extinction cabinet and small current neutral grounding system | |
| US20210126523A1 (en) | Electric power conversion system | |
| CN210693223U (en) | Voltage transformer isolation combination device applied to uninterrupted operation | |
| CN107785868A (en) | The transformer leakage protection system of real-time earthing water conservancy diversion | |
| CN106655133A (en) | Arc extinguishing device, and power supply system | |
| CN106208017A (en) | A kind of for arc-extinguishing harmonic-eliminating and the integration unit of overvoltage protection | |
| CN203734285U (en) | Zero line disconnection protective device of three-phase power grid | |
| CN205753376U (en) | Fast switching type distribution extinguishing arc line selection apparatus | |
| CN204694796U (en) | Surge arrester failure indicating device | |
| JP2016129458A (en) | Momentary voltage drop avoidance system | |
| El-Sherif et al. | Reducing electrocutions in industry: Application of a class C ground-fault current interrupter in a pulp and paper plant | |
| CN210608519U (en) | Motor protection device and motor protection system | |
| CN107394768A (en) | The used current segmenting formula voltage protector protection circuit of vacuum circuit breaker | |
| CN201690227U (en) | Disengage electrified maintenance type over-voltage protection apparatus | |
| CN209056926U (en) | A kind of lightning protection device and one kind for being tethered at unmanned plane is tethered at UAV system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |
Application publication date: 20171124 |
|
| WD01 | Invention patent application deemed withdrawn after publication |