CN102385984A - Voltage balancer structure used in high voltage power capacitor - Google Patents
Voltage balancer structure used in high voltage power capacitor Download PDFInfo
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- CN102385984A CN102385984A CN2011102850562A CN201110285056A CN102385984A CN 102385984 A CN102385984 A CN 102385984A CN 2011102850562 A CN2011102850562 A CN 2011102850562A CN 201110285056 A CN201110285056 A CN 201110285056A CN 102385984 A CN102385984 A CN 102385984A
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- voltage
- power capacitor
- balancer
- voltage power
- voltage balancer
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Abstract
A voltage balancer structure used in a high voltage power capacitor is used on a high voltage power capacitor apparatus in an alternative current/ direct current power transmission system. The voltage balancer structure is installed on a casing pipe terminal of the high voltage power capacitor. The voltage balancer structure comprises a voltage balancer. The voltage balancer is in an circular arc shape. Two ends of the voltage balancer adopt dome processing. Compared to the current technology, by using the voltage balancer structure, electric field distribution of the casing pipe terminal of the capacitor can be improved; a corona problem of the high voltage power capacitor casing pipe terminal can be solved; reliability of the capacitor apparatus and electrical network operation can be improved.
Description
Technical field
The high-voltage power capacitor that the present invention relates on a kind of high-voltage power capacitor device that is applied in the AC and DC transmission system is used the voltage balancer structure.
Background technology
At present, the line voltage grade is increasingly high, because high-voltage power capacitor has stray capacitance over the ground; Make along the voltage skewness of high-voltage power capacitor sleeve pipe; Corona be prone to take place in the current potential higher position, so install voltage balancer additional, is used for equilibrium stray capacitance over the ground; Voltage is evenly distributed, partial breakdown does not take place and damage.
Also do not have a kind of structure to occur at present, can address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of high-voltage power capacitor to use voltage balancer; Existing high-voltage power capacitor has stray capacitance over the ground in the present technology to solve, and makes that along the voltage skewness of high-voltage power capacitor sleeve pipe the current potential higher position is prone to take place corona; So install voltage balancer additional; Be used for equilibrium stray capacitance over the ground, voltage is evenly distributed, partial breakdown does not take place and damage.
Technical scheme of the present invention is following:
A kind of high-voltage power capacitor is used the voltage balancer structure, is applied on the high-voltage power capacitor device in the AC and DC transmission system, and said voltage balancer structure is installed on the high-voltage power capacitor conduit connection terminal.
Preferably, said voltage balancer structure comprises voltage balancer, said voltage balancer be shaped as circular arc.
Preferably, the two ends of said even device adopts dome to handle.
Preferably, said voltage balancer is shaped as 1/4 circular arc.
Preferably, said voltage balancer structure also comprises connecting rod, and said voltage balancer is installed on the high-voltage power capacitor conduit connection terminal through connecting rod.
Preferably, said voltage balancer is an aluminum alloy material.
Preferably, said voltage balancer is attached on the high-voltage power capacitor through connecting rod, utilizes nut that connecting rod is fixed on the high-voltage power capacitor conduit connection terminal.
With present compared with techniques; The present invention is installed on capacitor casing top (being on the high-voltage power capacitor conduit connection terminal); Improved the Electric Field Distribution of capacitor casing terminal; Solve high-voltage power capacitor conduit connection terminal corona problem, improved the reliability of capacitor device and operation of power networks.
Description of drawings
Fig. 1 is the sketch map of a kind of high-voltage power capacitor of the embodiment of the invention with the voltage balancer structure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further description.
See also Fig. 1, a kind of high-voltage power capacitor is used the voltage balancer structure, is applied on the high-voltage power capacitor device in the AC and DC transmission system, and said voltage balancer structure is installed on the high-voltage power capacitor 3 conduit connection terminals 2.
The voltage balancer structure comprises voltage balancer 1, said voltage balancer 1 be shaped as circular arc.
In the present embodiment, the two ends of voltage balancer 1 adopts dome to handle.
In the present embodiment, voltage balancer 1 be shaped as 1/4 circular arc, and evenly the two ends of device 1 adopts dome to handle.During practical implementation, the shape of voltage balancer 1 also can be for being the circular arc of other ratio, and like 1/3 circular arc or 1/5 circular arc or 1/2 circular arc etc., the present invention does not make qualification to it.
In the present embodiment, voltage balancer 1 is an aluminum alloy material.During practical implementation, it also can adopt other material as the case may be, and the present invention does not make qualification to it.
Said voltage balancer structure also comprises connecting rod 4, and voltage balancer 1 is installed on the high-voltage power capacitor 3 conduit connection terminals 2 through connecting rod 4.Its concrete mounting means is: voltage balancer 1 is attached on the high-voltage power capacitor 3 through connecting rod 4, utilizes nut that connecting rod 4 is fixed on the high-voltage power capacitor 3 conduit connection terminals 2.
High-voltage power capacitor 3 has stray capacitance over the ground, makes along the voltage skewness of high-voltage power capacitor sleeve pipe, and the current potential higher position is prone to take place corona; So install voltage balancer 1 additional; Be used for equilibrium stray capacitance over the ground, voltage is evenly distributed, partial breakdown does not take place and damage.
Voltage balancer 1 utilizes its arc structure to make the high-pressure uniform on the high-voltage power capacitor conduit connection terminal be distributed in object all around, and the electric field strength of conduit connection terminal reduces, and guaranteeing does not have potential difference at each position of annular, thereby reaches the effect of all pressing.
The present invention is installed on capacitor casing top (being on the high-voltage power capacitor conduit connection terminal); Improved the Electric Field Distribution of capacitor casing terminal; Solve high-voltage power capacitor conduit connection terminal corona problem, improved the reliability of capacitor device and operation of power networks.
The preferred embodiment of the present invention just is used for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this invention yet and is merely described embodiment.Obviously, according to the content of this specification, can do a lot of modifications and variation.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present invention and practical application better, thereby person skilled can be utilized the present invention well under making.The present invention only receives the restriction of claims and four corner and equivalent.More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection range.
Claims (7)
1. a high-voltage power capacitor is used the voltage balancer structure, is applied to it is characterized in that on the high-voltage power capacitor device in the AC and DC transmission system that said voltage balancer structure is installed on the high-voltage power capacitor conduit connection terminal.
2. high-voltage power capacitor as claimed in claim 1 is used voltage balancer, it is characterized in that, said voltage balancer structure comprises voltage balancer, said voltage balancer be shaped as circular arc.
3. high-voltage power capacitor as claimed in claim 2 is used voltage balancer, it is characterized in that, the two ends of said even device adopts dome to handle.
4. high-voltage power capacitor as claimed in claim 3 is used voltage balancer, it is characterized in that, said voltage balancer be shaped as 1/4 circular arc.
5. high-voltage power capacitor as claimed in claim 2 is used voltage balancer, it is characterized in that, said voltage balancer structure also comprises connecting rod, and said voltage balancer is installed on the high-voltage power capacitor conduit connection terminal through connecting rod.
6. high-voltage power capacitor as claimed in claim 2 is used voltage balancer, it is characterized in that, said voltage balancer is an aluminum alloy material.
7. high-voltage power capacitor as claimed in claim 5 is used voltage balancer, it is characterized in that, said voltage balancer is attached on the high-voltage power capacitor through connecting rod, utilizes nut that connecting rod is fixed on the high-voltage power capacitor conduit connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102850562A CN102385984A (en) | 2011-09-23 | 2011-09-23 | Voltage balancer structure used in high voltage power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102850562A CN102385984A (en) | 2011-09-23 | 2011-09-23 | Voltage balancer structure used in high voltage power capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102385984A true CN102385984A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102850562A Pending CN102385984A (en) | 2011-09-23 | 2011-09-23 | Voltage balancer structure used in high voltage power capacitor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2550994A1 (en) * | 1974-12-23 | 1976-06-24 | Transform Roentgen Matern Veb | HV capacitor with increased breakdown strength - has inner funnel-shaped electrode and outer control ring electrodes |
| CN101183121A (en) * | 2007-12-17 | 2008-05-21 | 国网武汉高压研究院 | Extra-high voltage reference capacitor |
| CN201084558Y (en) * | 2007-09-14 | 2008-07-09 | 西安电力机械制造公司 | An ultra-high voltage ceramic casing arrester |
| CN102176363A (en) * | 2011-02-22 | 2011-09-07 | 中国西电电气股份有限公司 | Voltage equalizing structure for extra-high-voltage arrester |
| CN202258808U (en) * | 2011-09-23 | 2012-05-30 | 上海思源电力电容器有限公司 | Voltage balancer structure for high voltage power capacitor |
-
2011
- 2011-09-23 CN CN2011102850562A patent/CN102385984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2550994A1 (en) * | 1974-12-23 | 1976-06-24 | Transform Roentgen Matern Veb | HV capacitor with increased breakdown strength - has inner funnel-shaped electrode and outer control ring electrodes |
| CN201084558Y (en) * | 2007-09-14 | 2008-07-09 | 西安电力机械制造公司 | An ultra-high voltage ceramic casing arrester |
| CN101183121A (en) * | 2007-12-17 | 2008-05-21 | 国网武汉高压研究院 | Extra-high voltage reference capacitor |
| CN102176363A (en) * | 2011-02-22 | 2011-09-07 | 中国西电电气股份有限公司 | Voltage equalizing structure for extra-high-voltage arrester |
| CN202258808U (en) * | 2011-09-23 | 2012-05-30 | 上海思源电力电容器有限公司 | Voltage balancer structure for high voltage power capacitor |
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Application publication date: 20120321 |