CN102915842A - Adjustable high-voltage capacitor device - Google Patents
Adjustable high-voltage capacitor device Download PDFInfo
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- CN102915842A CN102915842A CN2012104079386A CN201210407938A CN102915842A CN 102915842 A CN102915842 A CN 102915842A CN 2012104079386 A CN2012104079386 A CN 2012104079386A CN 201210407938 A CN201210407938 A CN 201210407938A CN 102915842 A CN102915842 A CN 102915842A
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Abstract
The invention relates to a suspended adjustable high-voltage capacitor device which is particularly capable of regulating capacitance in an approximately stepless manner. The suspended adjustable high-voltage capacitor device comprises a conducting rod and a high-voltage capacitor; and a voltage-sharing conducting rod is connected with an insulating tripod, and a hook is arranged on the voltage-sharing conducting rod and connected with the high-voltage capacitor. The insulating tripod is made of insulating resin with good mechanical strength and electrical insulation strength, thereby providing suspension space to series capacitors and ensuring that the ground insulation strength of the voltage-sharing conducting rod can meet relevant specification requirements. Die to the series and parallel combined connections of the high-voltage capacitors with different capacitances, the capacitance of the whole capacitor device can be approximately continuously adjusted within a very wide range. The capacitance can be approximately continuously adjusted within the range of 0-10000 pF, and the fineness of adjustment can reach 100 pF. The capacitance of the capacitor device can be adjusted in the approximately stepless manner, the overall withstand voltage can reach 300 kV, and due to the separated structure, the adjustable high-voltage capacitor device can be conveniently transported, assembled and used on site.
Description
Technical field
The present invention relates to a kind of underslung adjustable high-voltage capacitive means, especially can be similar to the size of the control capacittance amount of " stepless ".
Background technology
In the various field tests of power industry, often need a kind of frequency high voltage power supply, generally take the mode of series resonance to obtain at present.In the series circuit that resistance, inductance and electric capacity form, (X when capacitive reactance equates with induction reactance
C=X
L), the voltage and current phase place at circuit two ends is identical, and circuit presents pure resistive, and this phenomenon is called series resonance.This moment, the voltage at inductance and electric capacity two ends was Q times of circuit both end voltage, and Q is called quality factor.
Series resonance is mainly taked induction-regulated and two kinds of series resonance forms of capacitor tuning type in the field test.The induction-regulated series resonance is regulated the continuous adjusting of the air gap realization inductance value between the high voltage induction mechanically, thereby realization power frequency series resonance, this mode exists adjustable range limited, is generally ± 1000pF, resonant devices vibration causes the weak points such as high voltage is unstable.The general primary voltage value according to needing of capacitor tuning type series resonance is selected fixed inductance, the coupling that consideration test specimen capacitance is carried out coupling capacitance realizes series resonance, this mode can effectively remedy the deficiency of induction-regulated series resonance, but still exists coupling capacitance can't regulate continuously the subject matter that causes the resonance quality factor on the low side.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the invention provides a kind of adjustable high-voltage capacitive means, purpose is to realize the approximate step-less adjustment of capacitive means capacitance.
The technical solution adopted for the present invention to solve the technical problems is:
The adjustable high-voltage capacitive means comprises conducting rod and high-voltage capacitance; All press conducting rod to link to each other with the insulation tripod, all press conducting rod to be provided with hook, hook is connected with high-voltage capacitance.
The described conducting rod of all pressing links to each other with nut by screw rod with the insulation tripod, and wherein an end of screw rod is connected to and all presses on the conducting rod, and the other end of screw rod is connected on the insulation tripod, and uses nut check.
Described conducting rod is provided with 1,2,3,4,5,6,7,8,9,10 ... several hooks.
Described insulation tripod is provided with two, is connected to the two ends of all pressing conducting rod.
Link together by iron chains between each footing of described insulation tripod.
The material selection insulating resin of described insulated tripod.
Described all press conducting rod each the hook on can connect a string high-voltage capacitance.
The dielectric strength of described insulated tripod can reach 300kV.
Described adjustable high-voltage capacitive means can be realized the approximate continuous adjusting of capacitance in the 0-10000pF scope, regulate fineness and can reach 100pF.
The invention has the beneficial effects as follows:
Because therefore the material selection insulating resin of insulated tripod has good mechanical strength and electric insulation intensity in the present invention, hang the space and guarantee all to press conducting rod insulation against ground intensity to satisfy relevant rules requirement for series capacitance provides.All press each hook of conducting rod can hang many high-voltage capacitances, realize the series connection of high-voltage capacitance, a plurality of hooks can hang many string high-voltage capacitances, realize the parallel connection of high-voltage capacitance.Connection in series-parallel by different capacitance high-voltage capacitances is connected, and has realized the approximate continuous adjusting of integral capacitor device capacitance in suitable wide region.According to present high-voltage capacitance configuring condition, the present invention can realize the approximate continuous adjusting of capacitance in the 0-10000pF scope, regulate fineness and can reach 100pF.
The present invention can realize the approximate step-less adjustment of capacitive means capacitance, and device integral body is withstand voltage can to reach 300kV, adopts split-type structural, is convenient to transportation and Assembling and uses.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: all press conducting rod 1, insulation tripod 2, hook 3, high-voltage capacitance 4, iron chains 5, ground wire 6.
Embodiment
Embodiment 1:
The present invention is a kind of adjustable high-voltage capacitive means, it is a kind of support that can hang high-voltage capacitance, it all presses conducting rod 1, two groups of insulated tripods 2 and a series of suspended high-voltage electric capacity 4 to consist of by one, and the dielectric strength of two groups of insulated tripods 2 can reach 300kV.
As shown in Figure 1, the present invention be by all press conducting rod 1 with the insulation tripod 2 link to each other, described insulation tripod 2 is provided with two, is connected to the two ends of all pressing conducting rod 1; All press conducting rod 1 to be provided with hook 3, hook 3 is connected with high-voltage capacitance 4.Wherein all press conducting rod 1 to adopt screw rod to be connected with insulation tripod 2, an end of screw rod is welded on all presses on the conducting rod 1, and the other end is connected on the insulation tripod 2, and uses nut check.All press and weld ten hooks 3 on the conducting rod 1 for hanging high-voltage capacitance 4, play the reinforcing supporting role by iron chains 5 connections between each footing of insulation tripod 2.According to required capacitance high-voltage capacitance series connection or parallel connection are suspended on the hook.Described each hook of conducting rod 1 of all pressing can connect a string high-voltage capacitance 4 on 3.
The material selection insulating resin of insulated tripod 2.All press each hook of conducting rod 1 can hang many high-voltage capacitances 4, realize the series connection of high-voltage capacitance, a plurality of hooks 3 can hang many string high-voltage capacitances 4, realize the parallel connection of high-voltage capacitance.Connection in series-parallel by different capacitance high-voltage capacitances is connected, and has realized the approximate continuous adjusting of integral capacitor device capacitance in suitable wide region.According to present high-voltage capacitance configuring condition, the present invention can realize the approximate continuous adjusting of capacitance in the 0-10000pF scope, regulate fineness and can reach 100pF.
The present invention in actual applications, the angle that should regulate insulated tripod according to the amplitude of primary voltage is to satisfy the requirement of dielectric strength, the high-voltage capacitance string that each hook hangs also should satisfy the requirement of corresponding dielectric strength.Coupling capacitance amount is according to demand chosen the realization series resonance by different high-voltage capacitance strings.
Use the operating procedure of device adjusting high-voltage capacitance of the present invention as follows:
1. will all press conducting rod 1 to be connected with two groups of insulation tripods 2 and use nut check, the footing of two groups of tripods 2 that insulate will be connected into equilateral triangle with iron chains 5;
2. adopt the mode of serial or parallel connection high-voltage capacitance 4 to be articulated on the hook 3 of all pressing conducting rod 1 according to required capacitance;
3. the bottom property-line 6 of all high-voltage capacitance strings is coupled together and reliably be connected with earth mat, and a high-voltage line is connected on all presses on the conducting rod 1, then between high-voltage line and ground wire, can obtain required high-voltage capacitance;
4. as needing control capacittance, only need all press the quantity of the electric capacity string that articulates on the conducting rod and the quantity of every serial capacitors according to the relation change of electric capacity connection in series-parallel and capacitance, the assurance compressive resistance gets final product.
Embodiment 2:
In the specific implementation, can be provided with 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 on the conducting rod 1 of the present invention ... several hooks 3.All can connect a string high-voltage capacitance 4 on each hook 3.
Claims (9)
1. the adjustable high-voltage capacitive means comprises conducting rod and high-voltage capacitance; It is characterized in that: all press conducting rod (1) to link to each other with insulation tripod (2), all press conducting rod (1) to be provided with hook (3), hook (3) is connected with high-voltage capacitance (4).
2. adjustable high-voltage capacitive means according to claim 1, it is characterized in that: the described conducting rod (1) of all pressing links to each other with nut by screw rod with insulation tripod (2), wherein an end of screw rod is connected to and all presses on the conducting rod (1), the other end of screw rod is connected on the insulation tripod (2), and uses nut check.
3. adjustable high-voltage capacitive means according to claim 1, it is characterized in that: described conducting rod (1) is provided with 1,2,3,4,5,6,7,8,9,10 ... several hooks (3).
4. adjustable high-voltage capacitive means according to claim 1, it is characterized in that: described insulation tripod (2) is provided with two, is connected to the two ends of all pressing conducting rod (1).
5. adjustable high-voltage capacitive means according to claim 1 is characterized in that: link together by iron chains (5) between each footing of described insulation tripod (2).
6. adjustable high-voltage capacitive means according to claim 1 is characterized in that: the material selection insulating resin of described insulated tripod (2).
7. adjustable high-voltage capacitive means according to claim 1 is characterized in that: can connect a string high-voltage capacitance (4) on described each hook (3) of all pressing conducting rod (1).
8. adjustable high-voltage capacitive means according to claim 1, it is characterized in that: the dielectric strength of described insulated tripod (2) can reach 300kV.
9. adjustable high-voltage capacitive means according to claim 1 is characterized in that: described adjustable high-voltage capacitive means can realize in the 0-10000pF scope that the approximate continuous of capacitance regulates, and regulates fineness and can reach 100pF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407938.6A CN102915842B (en) | 2012-10-24 | 2012-10-24 | Adjustable high-voltage capacitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407938.6A CN102915842B (en) | 2012-10-24 | 2012-10-24 | Adjustable high-voltage capacitor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102915842A true CN102915842A (en) | 2013-02-06 |
| CN102915842B CN102915842B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210407938.6A Active CN102915842B (en) | 2012-10-24 | 2012-10-24 | Adjustable high-voltage capacitor device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170581A (en) * | 2017-06-14 | 2017-09-15 | 国网湖北省电力公司电力科学研究院 | A kind of pico farad level minitype high voltage is without partial discharge capacitor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087701A (en) * | 1977-02-10 | 1978-05-02 | General Electric Company | Transformer cascade for powering electronics on high voltage transmission lines |
| US4163956A (en) * | 1977-10-17 | 1979-08-07 | Sprague Electric Company | Wound multi-capacitor filter |
| CN201616352U (en) * | 2009-12-10 | 2010-10-27 | 湖南省电力公司超高压管理局 | Stepless adjustable capacitor |
| CN202121326U (en) * | 2010-09-17 | 2012-01-18 | 苏州鼎安电子科技有限公司 | Integrated intelligent variable capacitor |
| CN202383182U (en) * | 2011-12-30 | 2012-08-15 | 北京许继电力光学技术有限公司 | High-voltage capacitive divider for optical voltage transformer |
| CN202855554U (en) * | 2012-10-24 | 2013-04-03 | 辽宁省电力有限公司电力科学研究院 | Adjustable high voltage capacitor apparatus |
-
2012
- 2012-10-24 CN CN201210407938.6A patent/CN102915842B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087701A (en) * | 1977-02-10 | 1978-05-02 | General Electric Company | Transformer cascade for powering electronics on high voltage transmission lines |
| US4163956A (en) * | 1977-10-17 | 1979-08-07 | Sprague Electric Company | Wound multi-capacitor filter |
| CN201616352U (en) * | 2009-12-10 | 2010-10-27 | 湖南省电力公司超高压管理局 | Stepless adjustable capacitor |
| CN202121326U (en) * | 2010-09-17 | 2012-01-18 | 苏州鼎安电子科技有限公司 | Integrated intelligent variable capacitor |
| CN202383182U (en) * | 2011-12-30 | 2012-08-15 | 北京许继电力光学技术有限公司 | High-voltage capacitive divider for optical voltage transformer |
| CN202855554U (en) * | 2012-10-24 | 2013-04-03 | 辽宁省电力有限公司电力科学研究院 | Adjustable high voltage capacitor apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170581A (en) * | 2017-06-14 | 2017-09-15 | 国网湖北省电力公司电力科学研究院 | A kind of pico farad level minitype high voltage is without partial discharge capacitor |
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|---|---|
| CN102915842B (en) | 2016-01-27 |
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