CN102915842B - Adjustable high-voltage capacitor device - Google Patents
Adjustable high-voltage capacitor device Download PDFInfo
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- CN102915842B CN102915842B CN201210407938.6A CN201210407938A CN102915842B CN 102915842 B CN102915842 B CN 102915842B CN 201210407938 A CN201210407938 A CN 201210407938A CN 102915842 B CN102915842 B CN 102915842B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000010292 electrical insulation Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
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Abstract
The present invention relates to a kind of underslung adjustable high-voltage capacitor device, especially can be similar to the size of the control capacittance amount of " stepless ".It comprises conducting rod and high-voltage capacitance; All press conducting rod to be connected with insulation tripod, all press conducting rod to be provided with hook, hook is connected with high-voltage capacitance.The material selection insulating resin of insulated tripod, has good mechanical strength and electrical insulation strength, hangs space for series capacitance provides and ensures all to press conducting rod insulation against ground intensity to meet relevant regulatory requirements.Be connected by the connection in series-parallel of different capacitance high-voltage capacitance, achieve the approximate continuous of integral capacitor device capacitance in suitable wide region and regulate.The approximate continuous that can realize capacitance within the scope of 0-10000pF regulates, and fineness adjustment can reach 100pF.Realize the approximate step-less adjustment of capacitive means capacitance, entirety is withstand voltage can reach 300kV, and the present invention adopts split-type structural, is convenient to transport and Assembling use.
Description
Technical field
The present invention relates to a kind of underslung adjustable high-voltage capacitor device, especially can be similar to the size of the control capacittance amount of " stepless ".
Background technology
In the various field tests of power industry, a kind of frequency high voltage power supply of normal needs, generally takes the mode of series resonance to obtain at present.In the series circuit of resistance, inductance and electric capacity composition, (the X when capacitive reactance is equal with induction reactance
c=X
l), the voltage and current phase place at circuit two ends is identical, and circuit presents purely resistive, and this phenomenon is called series resonance.Now the voltage at inductance and electric capacity two ends is Q times of circuit both end voltage, and Q is called quality factor.
In field test, series resonance mainly takes induction-regulated and capacitor tuning type two kinds of series resonance forms.Induction-regulated series resonance regulates the air gap between high voltage induction to realize the continuous adjustment of inductance value mechanically, thus realize power frequency series resonance, it is limited to there is adjustable range in which, is generally ± 1000pF, resonant devices vibration causes the weak points such as a high voltage instability.The general primary voltage value according to needing of capacitor tuning type series resonance selects fixed inductance, the coupling that consideration test specimen capacitance carries out coupling capacitance realizes series resonance, which effectively can make up the deficiency of induction-regulated series resonance, but still there is coupling capacitance and cannot regulate the subject matter causing resonance quality factor on the low side continuously.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the invention provides a kind of adjustable high-voltage capacitor device, object is the approximate step-less adjustment realizing capacitive means capacitance.
The technical solution adopted for the present invention to solve the technical problems is:
Adjustable high-voltage capacitor device, comprises conducting rod and high-voltage capacitance; All press conducting rod to be connected with insulation tripod, all press conducting rod to be provided with hook, hook is connected with high-voltage capacitance.
Described conducting rod of all pressing is connected with nut by screw rod with insulation tripod, and wherein one end of screw rod is connected to and all presses on conducting rod, and the other end of screw rod is connected on 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.
Linked together by iron chains between each footing of described insulation tripod.
The material selection insulating resin of described insulated tripod.
Described all pressing on each hook of conducting rod can connect a string high-voltage capacitance.
The dielectric strength of described insulated tripod can reach 300kV.
The approximate continuous that described adjustable high-voltage capacitor device can realize capacitance within the scope of 0-10000pF regulates, and fineness adjustment can reach 100pF.
The invention has the beneficial effects as follows:
Due to the material selection insulating resin of insulated tripod in the present invention, therefore there is good mechanical strength and electrical insulation strength, hang space for series capacitance provides and ensure all to press conducting rod insulation against ground intensity to meet relevant regulatory requirements.All press each hook of conducting rod can hang many high-voltage capacitances, realize the series connection of high-voltage capacitance, multiple hook can hang goes here and there high-voltage capacitance more, realizes the parallel connection of high-voltage capacitance.Be connected by the connection in series-parallel of different capacitance high-voltage capacitance, achieve the approximate continuous of integral capacitor device capacitance in suitable wide region and regulate.According to current high-voltage capacitance configuring condition, the approximate continuous that the present invention can realize capacitance within the scope of 0-10000pF regulates, and fineness adjustment can reach 100pF.
The present invention can realize the approximate step-less adjustment of capacitive means capacitance, and device entirety is withstand voltage can reach 300kV, adopts split-type structural, is convenient to transport and Assembling use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In 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 capacitor device, 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 form by one, and the dielectric strength of two groups of insulated tripods 2 can reach 300kV.
As shown in Figure 1, the present invention is that described insulation tripod 2 is provided with two, is connected to the two ends of all pressing conducting rod 1 by all pressing conducting rod 1 to be connected with insulation tripod 2; 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, one end of screw rod is welded on all presses on conducting rod 1, and the other end is connected on insulation tripod 2, and uses nut check.Welding ten hook 3 on conducting rod 1 is all pressed for hanging high-voltage capacitance 4, to be connected by iron chains 5 between each footing of insulation tripod 2 and playing reinforcing supporting role.According to required capacitance, high-voltage capacitance series connection or parallel connection are suspended on hook.Described all pressing on each hook 3 of conducting rod 1 can connect a string high-voltage capacitance 4.
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, multiple hook 3 can hang many string high-voltage capacitances 4, realizes the parallel connection of high-voltage capacitance.Be connected by the connection in series-parallel of different capacitance high-voltage capacitance, achieve the approximate continuous of integral capacitor device capacitance in suitable wide region and regulate.According to current high-voltage capacitance configuring condition, the approximate continuous that the present invention can realize capacitance within the scope of 0-10000pF regulates, and fineness adjustment can reach 100pF.
In actual applications, the angle of insulated tripod should be regulated to meet the requirement of dielectric strength according to the amplitude of primary voltage, the high-voltage capacitance string that each hook hangs also should meet the requirement of corresponding dielectric strength in the present invention.Coupling capacitance according to demand realizes series resonance by different choosing of high-voltage capacitance string.
Device of the present invention is used to regulate the operating procedure of high-voltage capacitance as follows:
1. conducting rod 1 all will be pressed to be connected with two groups of tripods 2 that insulate and to use nut check, the footing iron chains 5 of two groups of insulation tripods 2 will be connected into equilateral triangle;
2. adopt the mode of serial or parallel connection to be articulated on the hook 3 of all pressure conducting rods 1 by high-voltage capacitance 4 according to required capacitance;
3. the property-line bottom 6 of all high-voltage capacitance strings coupled together and is reliably connected with earth mat, and high-voltage line is connected on all presses on conducting rod 1, then can obtain required high-voltage capacitance at one time between high-voltage line and ground wire;
4., as needed control capacittance, only need to change with the relation of capacitance according to electric capacity connection in series-parallel and all press the quantity of the electric capacity string that conducting rod mounts and the quantity of every serial capacitors, guarantee compressive resistance.
Embodiment 2:
In the specific implementation, conducting rod 1 of the present invention can be provided with 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 ... several hooks 3.Each hook 3 all can connect a string high-voltage capacitance 4.
Claims (3)
1. adjustable high-voltage capacitor device, comprises conducting rod and high-voltage capacitance; It is characterized in that: all press conducting rod (1) to be connected with insulation tripod (2), all press conducting rod (1) to be provided with hook (3), hook (3) is connected with high-voltage capacitance (4); Each hook (3) of described all pressures conducting rod (1) can connect a string high-voltage capacitance (4); The approximate continuous that described adjustable high-voltage capacitor device can realize capacitance within the scope of 0-10000pF regulates, and fineness adjustment can reach 100pF.
2. adjustable high-voltage capacitor device according to claim 1, it is characterized in that: described all pressures conducting rod (1) is connected with nut by screw rod with insulation tripod (2), wherein one end of screw rod is connected to and all presses on conducting rod (1), the other end of screw rod is connected in insulation tripod (2), and with nut check;
Described insulation tripod (2) is provided with two, is connected to the two ends of all pressing conducting rod (1);
Linked together by iron chains (5) between each footing of described insulation tripod (2);
Described conducting rod (1) is provided with hook (3).
3. adjustable high-voltage capacitor device according to claim 1, is characterized in that: the material selection insulating resin of described insulation tripod (2); The dielectric strength of described insulation tripod (2) can reach 300kV.
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 CN102915842A (en) | 2013-02-06 |
| CN102915842B true 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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| Country | Link |
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Families Citing this family (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 |
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| CN102915842A (en) | 2013-02-06 |
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