CN102074949B - Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage - Google Patents
Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage Download PDFInfo
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- CN102074949B CN102074949B CN201110048267.4A CN201110048267A CN102074949B CN 102074949 B CN102074949 B CN 102074949B CN 201110048267 A CN201110048267 A CN 201110048267A CN 102074949 B CN102074949 B CN 102074949B
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Abstract
The invention discloses an integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage, which comprises a resistance-capacitance absorbing circuit and a protecting circuit for damping the resonance and inhibiting the surge, operation, resonance and lightning strike over-voltage, wherein the resistance-capacitance absorbing circuit is formed by connecting three groups of first non-linear resistors and second non-linear resistors in series and then connecting with three non-inductive capacitors; the three non-inductive capacitors use the triangular wiring; the protecting circuit for damping the resonance and inhibiting the surge, operation, resonance and lightning strike over-voltage is formed by connecting three groups of the first non-linear resistors, the second non-linear resistors and third non-linear resistors in series; the three groups of non-linear resistors use the triangular wiring to form a human center point O; a group of fourth non-linear resistors are arranged between the human center point O and a ground wire G; the first non-linear resistors are made of zinc oxide; and the second non-linear resistors, the third non-linear resistors and the fourth non-linear resistors are respectively made of carborundum. According to the invention, the peak pulse surge over-voltage can be effectively absorbed; and in addition, the integrated protecting circuit can be used for damping and eliminating the resonance between phases and between the phase and the ground.
Description
Technical field
The present invention relates to the general protective circuit of a kind of anti-peak surge, operation, resonance and Lightning Over-voltage.
Background technology
The develop rapidly of modernization industry, many jumbo power electronic equipments and reactive power compensator in electrical network, have been adopted, because it is non-linear and the use electrical characteristics of the impact such as switching, not only to utility network, bring serious harmonic pollution, also can cause serious operation, peak surge and resonance overvoltage.
That current domestic electrical network all adopts is single resistance-capacitance absorption or ZnO, and the overvoltage protection of the non-linear composition of SiC or protection of arrester device, more can not eliminate the overvoltage that resonance causes.
Summary of the invention
The general protective circuit that the object of this invention is to provide a kind of anti-peak surge, operation, resonance and Lightning Over-voltage.
The technical scheme that realizes above-mentioned purpose is: a kind of anti-peak surge, operation, the general protective circuit of resonance and Lightning Over-voltage, by resistance capaciting absorpting circuit with for damped harmonic oscillation and inhibition surge, operation, the protective circuit of Lightning Over-voltage forms, resistance capaciting absorpting circuit is by three group of first nonlinear resistance and the series connection of the second nonlinear resistance is rear and three noninductive capacitors are formed by connecting, three noninductive capacitors adopt delta connection, for damped harmonic oscillation and inhibition surge, operation, three group first nonlinear resistance of the protective circuit of Lightning Over-voltage in described resistance capaciting absorpting circuit, the second nonlinear resistance and three group of the 3rd nonlinear resistance are in series and form, three groups of nonlinear resistances adopt star-star connection to put O centered by forming a people, between this artificial central point O and ground G, establish one group of the 4th nonlinear resistance, the first nonlinear resistance is made by zinc oxide, second, the 3rd, the 4th nonlinear resistance is made by carborundum.
A kind of anti-peak surge, operation, the general protective circuit of resonance and Lightning Over-voltage, by resistance capaciting absorpting circuit with for damped harmonic oscillation and inhibition surge, operation, the protective circuit of Lightning Over-voltage forms, resistance capaciting absorpting circuit is by three group of first nonlinear resistance and the series connection of the second nonlinear resistance is rear and three noninductive capacitors are formed by connecting, three noninductive capacitors adopt delta connection, for damped harmonic oscillation and inhibition surge, operation, three group first nonlinear resistance of the protective circuit of Lightning Over-voltage in described resistance capaciting absorpting circuit, the second nonlinear resistance and three group of the 3rd nonlinear resistance are in series and form, three groups of nonlinear resistances adopt star-star connection to put O centered by forming a people, this artificial central point O and the direct short circuit of ground G, the first nonlinear resistance is made by zinc oxide, second, the 3rd, the 4th nonlinear resistance is made by carborundum.
Adopt after technique scheme; resistance capaciting absorpting circuit and simultaneously using for damped harmonic oscillation and the protective circuit that suppresses surge, operation, Lightning Over-voltage; effective absorbing peak pulse overvoltage surge; and can be used to damping and eliminate the resonance between phase-phase and phase-ground, can also resist the impact of switching overvoltage and Lightning Over-voltage.
Accompanying drawing explanation
Fig. 1 is the first electrical block diagram of the present invention;
Fig. 2 is the second electrical block diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
Embodiment mono-
As shown in Figure 1; the general protective circuit of a kind of anti-peak surge, operation, resonance and Lightning Over-voltage; by resistance capaciting absorpting circuit with for damped harmonic oscillation and the protective circuit that suppresses surge, operation, Lightning Over-voltage, form, resistance capaciting absorpting circuit is by three group of first nonlinear resistance R
n1with the second nonlinear resistance R
n2after series connection, is formed by connecting with three noninductive capacitor C, three noninductive capacitor C adopt delta connections, for damped harmonic oscillation and suppress the protective circuit of surge, operation, Lightning Over-voltage by three group of first nonlinear resistance R of described resistance capaciting absorpting circuit
n1, the second nonlinear resistance R
n2with three group of the 3rd nonlinear resistance R
n3be in series and form, three groups of nonlinear resistances adopt star-star connection to put O centered by forming a people, between this artificial central point O and ground G, establish one group of the 4th nonlinear resistance R
n4, the first nonlinear resistance is made by zinc oxide, second, third, the 4th nonlinear resistance makes by carborundum.This structure is applicable to the not directly grounded electrical network of neutral point.
Embodiment bis-
As shown in Figure 2; the general protective circuit of a kind of anti-peak surge, operation, resonance and Lightning Over-voltage; by resistance capaciting absorpting circuit with for damped harmonic oscillation and the protective circuit that suppresses surge, operation, Lightning Over-voltage, form, resistance capaciting absorpting circuit is by three group of first nonlinear resistance R
n1with the second nonlinear resistance R
n2after series connection, is formed by connecting with three noninductive capacitor C, three noninductive capacitor C adopt delta connections, for damped harmonic oscillation and suppress the protective circuit of surge, operation, Lightning Over-voltage by three group of first nonlinear resistance R of described resistance capaciting absorpting circuit
n1, the second nonlinear resistance R
n2with three group of the 3rd nonlinear resistance R
n3be in series and form, three groups of nonlinear resistances adopt star-star connections to put O centered by forming a people, this artificial central point O and the direct short circuit of ground G, the first nonlinear resistance is made by zinc oxide, second, third, the 4th nonlinear resistance makes by carborundum.This structure is applicable to the electrical network of neutral-point solid ground.
The capacitance of this capacitor by the poly-special capacitor films of the third ethene book film, turns to the cylindrical tube (external diameter 88-90mm, internal diameter 25mm, high 80mm) of middle with hole, and makes the capacitor in the present invention at its two ends spray metal dust, more than can reach 100w f.
With SiC, make external diameter 88-90mm, the nonlinear resistor valve sheet of internal diameter 25mm; With ZnO, make external diameter 88-90mm, the nonlinear resistor valve sheet of internal diameter 25mm.
With stainless steel, make external diameter 88-90mm, internal diameter 25mm and the in addition electrode slice of earrings, with connecting.
With DMC and silicon rubber, make external diameter 88-90mm respectively, the insulating trip of internal diameter 25mm.
In order to patrix blocking device, just can by foregoing circuit, overlap easily.
All components and parts that the present invention uses all adopt the noninductive structure of module, flexible for installation ingenious, volume is little, lightweight, power supply power consumption and temperature rise are low, the usefulness that absorbs sharp cutting edge of a knife or a sword is high, can effectively suppress to operate overvoltage surge and Lightning Over-voltage, especially damping ferro resonance and L-C resonance is played to positive harmonic elimination effect.
Claims (2)
1. an anti-peak surge, operation, the general protective circuit of resonance and Lightning Over-voltage, it is characterized in that: by resistance capaciting absorpting circuit with for damped harmonic oscillation and inhibition surge, operation, the protective circuit of Lightning Over-voltage forms, resistance capaciting absorpting circuit is by three group of first nonlinear resistance and the series connection of the second nonlinear resistance is rear and three noninductive capacitors are formed by connecting, three noninductive capacitors adopt delta connection, for damped harmonic oscillation and inhibition surge, operation, three group first nonlinear resistance of the protective circuit of Lightning Over-voltage in described resistance capaciting absorpting circuit, the second nonlinear resistance and three group of the 3rd nonlinear resistance are in series and form, three groups of nonlinear resistances adopt star-star connection to put O centered by forming a people, between this artificial central point O and ground G, establish one group of the 4th nonlinear resistance, the first nonlinear resistance is made by zinc oxide, second, the 3rd, the 4th nonlinear resistance is made by carborundum.
2. an anti-peak surge, operation, the general protective circuit of resonance and Lightning Over-voltage, it is characterized in that: by resistance capaciting absorpting circuit with for damped harmonic oscillation and inhibition surge, operation, the protective circuit of Lightning Over-voltage forms, resistance capaciting absorpting circuit is by three group of first nonlinear resistance and the series connection of the second nonlinear resistance is rear and three noninductive capacitors are formed by connecting, three noninductive capacitors adopt delta connection, for damped harmonic oscillation and inhibition surge, operation, three group first nonlinear resistance of the protective circuit of Lightning Over-voltage in described resistance capaciting absorpting circuit, the second nonlinear resistance and three group of the 3rd nonlinear resistance are in series and form, three groups of nonlinear resistances adopt star-star connection to put O centered by forming a people, this artificial central point O and the direct short circuit of ground G, the first nonlinear resistance is made by zinc oxide, second, the 3rd, the 4th nonlinear resistance is made by carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110048267.4A CN102074949B (en) | 2011-03-01 | 2011-03-01 | Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110048267.4A CN102074949B (en) | 2011-03-01 | 2011-03-01 | Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage |
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| Publication Number | Publication Date |
|---|---|
| CN102074949A CN102074949A (en) | 2011-05-25 |
| CN102074949B true CN102074949B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110048267.4A Active CN102074949B (en) | 2011-03-01 | 2011-03-01 | Integrated protecting circuit for resisting peak surge, operation, resonance and lightning strike over-voltage |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11011906B2 (en) * | 2017-10-20 | 2021-05-18 | Illinois Tool Works | Method and apparatus for adaptive AC/DC surge protection |
| CN109449906A (en) * | 2018-08-06 | 2019-03-08 | 常州瑞起电器配件制造有限公司 | Harmonic elimination apparatus of ultra-high voltage transformer station |
| CN110380649A (en) * | 2019-07-26 | 2019-10-25 | 六盘水金星机电设备有限公司 | A kind of energy-saving soft start cabinet |
| CN111525434A (en) * | 2020-04-15 | 2020-08-11 | 国网电力科学研究院武汉南瑞有限责任公司 | Overvoltage protection PT cabinet for transformer substation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365801Y (en) * | 1999-03-25 | 2000-02-23 | 刘杰 | Protection controller for three phase AC electric motor starting operation |
| CN2781627Y (en) * | 2005-01-27 | 2006-05-17 | 张德昌 | Mine high-energy operation over-voltage integrated protector |
| CN201498988U (en) * | 2009-10-10 | 2010-06-02 | 朱仲彦 | ZnO and SiC compound circuit used for arc extinction, harmony extinction and overvoltage protection |
-
2011
- 2011-03-01 CN CN201110048267.4A patent/CN102074949B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365801Y (en) * | 1999-03-25 | 2000-02-23 | 刘杰 | Protection controller for three phase AC electric motor starting operation |
| CN2781627Y (en) * | 2005-01-27 | 2006-05-17 | 张德昌 | Mine high-energy operation over-voltage integrated protector |
| CN201498988U (en) * | 2009-10-10 | 2010-06-02 | 朱仲彦 | ZnO and SiC compound circuit used for arc extinction, harmony extinction and overvoltage protection |
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|---|---|
| CN102074949A (en) | 2011-05-25 |
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Address after: 213164 Changzhou Industrial Zone, Hutang Town, Wujin District, Jiangsu Applicant after: CHANGZHOU LAIBAO ELECTRIC FILTERING CO., LTD. Address before: 213164 Hutang North Temple Bridge Industrial Park, Wujin District, Jiangsu, Changzhou Applicant before: Changzhou Laibao Electric Filtering Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CHANGZHOU LAIBAO ELECTRIC FILTERING CO., LTD. TO: JIANGSU LAIBAO ELECTRIC POWER FILTER CO., LTD. |
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Inventor after: Zhu Zhongyan Inventor after: Hu Daohao Inventor after: Huang Ping Inventor before: Zhu Zhongyan Inventor before: Hu Daohao |
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Address after: 213164 Changzhou Industrial Zone, Hutang Town, Wujin District, Jiangsu Patentee after: JIANGSU LAIBAO ELECTRIC POWER CO., LTD. Address before: 213164 Changzhou Industrial Zone, Hutang Town, Wujin District, Jiangsu Patentee before: CHANGZHOU LAIBAO ELECTRIC FILTERING CO., LTD. |