CN104766682A - High voltage damping resistor and high voltage transmission system using the resistor - Google Patents
High voltage damping resistor and high voltage transmission system using the resistor Download PDFInfo
- Publication number
- CN104766682A CN104766682A CN201410651523.2A CN201410651523A CN104766682A CN 104766682 A CN104766682 A CN 104766682A CN 201410651523 A CN201410651523 A CN 201410651523A CN 104766682 A CN104766682 A CN 104766682A
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- Prior art keywords
- resistor
- flange
- conduction
- binding post
- instrument transformer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
- H01C1/026—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed with gaseous or vacuum spacing between the resistive element and the housing or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
Abstract
The invention relates to the field of high voltage transmission, and in particular to a high voltage damping resistor and a high voltage transmission system using the resistor. The high voltage damping resistor includes a composite outer sleeve and a resistor assembly; one end of the composite outer sleeve is provided with a wiring terminal flange for connecting an overhead power line, and the other end is provided with a transformer connection flange; the resistor assembly is electrically connected between the wiring terminal flange and the transformer connection flange, and comprises an insulating rod and at least one resistor disc arranged on the insulating rod; and the insulating rod is respectively electrically connected with the wiring terminal flange and the transformer connection flange. For usage, the high voltage damping resistor is connected in series between an isolating switch and a capacitance voltage transformer, and the high voltage damping resistor consumes the high frequency oscillation damping produced during the operation of the isolating switch through resistance differential voltage and energy consumption characteristics, so as to achieve the goal of protection of capacitance voltage transformer, and solve the problem of easy breakdown of the capacitance voltage transformer in the existing high voltage transmission system.
Description
Technical field
The present invention relates to high voltage power transmission field, particularly related to a kind of high pressure damped resistor and used the high voltage power transmisson system of this resistor.
Background technology
In high voltage power transmisson system, capacitance type potential transformer plays a part measurement circuitry voltage.But, when isolating switch carries out breaking-closing operating, be easy to cause capacitance type potential transformer to puncture, and the complex structure of capacitance type potential transformer own, cost is high, once puncture, then maintenance difficult, maintenance cost is high.Obviously, the damage of capacitance type potential transformer can the normal operation of direct impact to voltage transmission system, increases the operating cost of high voltage power transmisson system.
Summary of the invention
The object of the present invention is to provide a kind of high pressure damped resistor, to solve the easily breakdown problem of capacitance type potential transformer in existing high voltage power transmisson system.
Meanwhile, the present invention also aims to provide the high voltage power transmisson system using above-mentioned high pressure damped resistor.
In order to solve the problem, high pressure damped resistor of the present invention is by the following technical solutions: high pressure damped resistor, the resistor assembly comprising composite sheath cylinder and be located in outer sleeve, one end of composite sheath cylinder is provided with the binding post flange for being connected with overhead wire, the other end is provided with the instrument transformer adpting flange for being connected with capacitance type potential transformer, resistor assembly is connected electrically between binding post flange and instrument transformer adpting flange, it comprises insulating bar to be located at least one resistor disc on insulating bar, resistor disc is electrically connected with binding post flange and instrument transformer adpting flange respectively.
At least one end of described insulating bar is provided with conduction briquetting, and conduction briquetting to be fixed on insulating bar and pinched resistor sheet, is provided with and conducts electricity the conduction fit structure that briquetting is electrically connected in binding post flange and instrument transformer adpting flange near one of conduction briquetting.
Described conduction fit structure comprises conduction sleeve, is provided with and conducts electricity the conductive contact finger that briquetting coordinates in conduction sleeve.
The radial locating part for preventing conduction briquetting radial beat is provided with in described conduction sleeve.
Conduction briquetting Screw assembly on insulating bar and and be provided with conductive spacer between adjacent resistor disc, be top-loaded with elastomeric element between conductive spacer and conduction briquetting.
Described binding post flange, instrument transformer adpting flange and composite sheath cylinder surround a closed air chamber together, and one in binding post flange and instrument transformer adpting flange is provided with air valve.
High voltage power transmisson system is by the following technical solutions: high voltage power transmisson system, comprise isolating switch and capacitance type potential transformer, high pressure damped resistor is provided with between isolating switch and capacitance type potential transformer, isolating switch is by the binding post flange of overhead wire contact resistance device upper end, the instrument transformer adpting flange of resistor lower end and instrument transformer upper cover coordinate, the resistor assembly that high pressure damped resistor comprises composite sheath cylinder and is located in outer sleeve, one end of outer sleeve is provided with the binding post flange be connected with overhead wire, the other end is provided with the instrument transformer adpting flange be connected with capacitance type potential transformer, resistor assembly is connected electrically between binding post flange and instrument transformer adpting flange, it comprises insulating bar to be located at least one resistor disc on insulating bar, resistor disc is electrically connected with isolating switch adpting flange and instrument transformer adpting flange respectively.
At least one end of described insulating bar is provided with conduction briquetting, and conduction briquetting to be fixed on insulating bar and pinched resistor sheet, is provided with and conducts electricity the conduction fit structure that briquetting is electrically connected in binding post flange and instrument transformer adpting flange near one of conduction briquetting.
Conduction briquetting Screw assembly on insulating bar and and be provided with conductive spacer between adjacent resistor disc, be top-loaded with elastomeric element between conductive spacer and conduction briquetting.
Described binding post flange, instrument transformer adpting flange and composite sheath cylinder surround a closed air chamber together, and one in binding post flange and instrument transformer adpting flange is provided with air valve.
One end due to the composite sheath cylinder of high pressure damped resistor of the present invention is provided with the binding post flange for being connected with overhead wire, the other end is provided with the instrument transformer adpting flange for being connected with capacitance type potential transformer, and resistor assembly is connected electrically between binding post flange and instrument transformer adpting flange, resistor disc is electrically connected with binding post flange and instrument transformer adpting flange respectively, therefore, when in use, isolating switch one end link ceases to be busy, overhead wire connects high pressure damped resistor, high pressure damped resistor is connected with instrument transformer again, this high pressure damped resistor is serially connected between isolating switch and capacitance type potential transformer, by it by electric resistance partial pressure and energy dissipation behavior, the higher-order of oscillation wave damping produced during isolator operation is consumed, reach the target of protection capacitance type potential transformer, thus the problem that when can solve isolator operation in existing high voltage power transmisson system, capacitance type potential transformer is easily breakdown.
Further, the setting of briquetting of conducting electricity can be resistor assembly and respective flange (binding post flange, instrument transformer adpting flange) is provided convenience; Conductive spacer and elastomeric element can be used for ensureing to fit tightly all the time between conduction briquetting and resistor disc, and when resistor disc has two or more, conductive spacer and elastomeric element can also ensure to fit tightly between resistor disc; Air chamber can be used for being filled with inert gas, reaches the object of protective resistance sheet.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of high pressure damped resistor.
Embodiment
The embodiment of high pressure damped resistor, as shown in Figure 1, the resistor assembly that this high pressure damped resistor comprises binding post flange 1, instrument transformer adpting flange 3, composite sheath cylinder 2 and is located in composite sheath cylinder 2.
Binding post flange 1 is for being connected with overhead wire; instrument transformer adpting flange 3 is for being connected with corresponding capacitance type potential transformer; binding post flange 1 and instrument transformer adpting flange 3 are divided into the two ends place of composite sheath cylinder 2 and are fixed with sealing with composite sheath cylinder 2; binding post flange 1, composite sheath cylinder 2 and instrument transformer adpting flange 3 is made jointly to define an air chamber thus; can be used in air chamber being filled with the inert gas as sulphur hexafluoride etc., thus play the protective effect to resistor assembly.Its middle connecting terminal flange is provided with air valve 11, and air valve 11 is being filled with and discharging for inert gas.
Resistor assembly comprises insulating bar 4, resistor disc 5, conduction briquetting 8, conductive spacer 6 and elastomeric element.In the present embodiment, what resistor disc 5 adopted is ceramic resistor sheet and has multiple, insulating bar 4 be positioned at each resistor disc 5 center and by resistor disc string together, therefore, it is actually and defines a center pole, conduction briquetting 8 is in hat shape, it is by one end place of screw-internal thread fit at insulating bar 4, entirety defines one for the connection-peg with set conduction fit structure grafting on binding post flange 1, in the present embodiment, described conduction fit structure comprises the conduction sleeve be located on binding post flange 1, conductive contact finger 10 is provided with in conduction sleeve, when conduction briquetting 8 is inserted in conduction sleeve, just electrical connection therebetween can be realized, in addition, radial beat is there is after preventing conduction briquetting 8 and the grafting of conduction sleeve, radial locating part 9 is also provided with in conduction sleeve, in the present embodiment, what radial locating part specifically adopted is a spacing ring.Conductive spacer 6 is enclosed within insulating bar, its side directly contacts with adjacent resistor disc, another side guide voltage block 8, what elastomeric element specifically adopted is butterfly reed 7, its top is contained in the position between conduction briquetting 8 and conductive spacer 6, in the process of assembling, can realize the extruding to resistor discs 5 all on insulating bar 4 by turn conduction briquetting 8, thus ensure the reliable contacts between adjacent resistor sheet, and then ensure its conductive performance.The other end Screw assembly of insulating bar 4 is on instrument transformer adpting flange 3.
In other embodiment of high pressure damped resistor, insulating bar can also be the place being positioned at resistor disc, is arranged the clamping parts such as claw to realize the compression to resistor disc by two ends; The quantity of resistor disc be more than one all can, specifically can arrange as required.
The embodiment of high voltage power transmisson system, comprise isolating switch and capacitance type potential transformer, high pressure damped resistor is provided with between isolating switch and capacitance type potential transformer, the structure of high pressure damped resistor as shown in Figure 1, it is identical with the structure of the embodiment of above-mentioned high pressure damped resistor, and it will not go into details herein.
Claims (10)
1. high pressure damped resistor, it is characterized in that, the resistor assembly comprising composite sheath cylinder and be located in outer sleeve, one end of composite sheath cylinder is provided with the binding post flange for being connected with overhead wire, the other end is provided with the instrument transformer adpting flange for being connected with capacitance type potential transformer, resistor assembly is connected electrically between binding post flange and instrument transformer adpting flange, it comprises insulating bar to be located at least one resistor disc on insulating bar, and resistor disc is electrically connected with binding post flange and instrument transformer adpting flange respectively.
2. high pressure damped resistor according to claim 1, it is characterized in that, at least one end of described insulating bar is provided with conduction briquetting, conduction briquetting to be fixed on insulating bar and pinched resistor sheet, is provided with and conducts electricity the conduction fit structure that briquetting is electrically connected in binding post flange and instrument transformer adpting flange near one of conduction briquetting.
3. high pressure damped resistor according to claim 2, is characterized in that, described conduction fit structure comprises conduction sleeve, is provided with and conducts electricity the conductive contact finger that briquetting coordinates in conduction sleeve.
4. high pressure damped resistor according to claim 3, is characterized in that, is provided with the radial locating part for preventing conduction briquetting radial beat in described conduction sleeve.
5. the high pressure damped resistor according to any one of claim 2-4, is characterized in that, conduction briquetting Screw assembly on insulating bar and and be provided with conductive spacer between adjacent resistor disc, be top-loaded with elastomeric element between conductive spacer and conduction briquetting.
6. the high pressure damped resistor according to any one of claim 1-4, it is characterized in that, described binding post flange, instrument transformer adpting flange and composite sheath cylinder surround a closed air chamber together, and one in binding post adpting flange and instrument transformer adpting flange is provided with air valve.
7. high voltage power transmisson system, comprise isolating switch and capacitance type potential transformer, it is characterized in that, high pressure damped resistor is provided with between isolating switch and capacitance type potential transformer, isolating switch is connected to the binding post of resistor upper end by overhead wire, resistor lower end and instrument transformer are got up by Flange joint, the resistor assembly that high pressure damped resistor comprises composite sheath cylinder and is located in outer sleeve, one end of outer sleeve is provided with the binding post flange be connected with overhead wire, the other end is provided with the instrument transformer adpting flange be connected with capacitance type potential transformer, resistor assembly is connected electrically between binding post flange and instrument transformer adpting flange, it comprises insulating bar to be located at least one resistor disc on insulating bar, resistor disc is electrically connected with binding post flange and instrument transformer adpting flange respectively.
8. high voltage power transmisson system according to claim 7, it is characterized in that, at least one end of described insulating bar is provided with conduction briquetting, conduction briquetting to be fixed on insulating bar and pinched resistor sheet, is provided with and conducts electricity the conduction fit structure that briquetting is electrically connected in wiring flange and instrument transformer adpting flange near one of conduction briquetting.
9. high voltage power transmisson system according to claim 8, is characterized in that, conduction briquetting Screw assembly on insulating bar and and be provided with conductive spacer between adjacent resistor disc, be top-loaded with elastomeric element between conductive spacer and conduction briquetting.
10. the high voltage power transmisson system according to any one of claim 7-9, it is characterized in that, described binding post flange, instrument transformer adpting flange and composite sheath cylinder surround a closed air chamber together, and one in binding post flange and instrument transformer adpting flange is provided with air valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651523.2A CN104766682A (en) | 2014-11-17 | 2014-11-17 | High voltage damping resistor and high voltage transmission system using the resistor |
| PCT/CN2015/096394 WO2016078626A1 (en) | 2014-11-17 | 2015-12-04 | High voltage damping resistor, and high voltage power transmission system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651523.2A CN104766682A (en) | 2014-11-17 | 2014-11-17 | High voltage damping resistor and high voltage transmission system using the resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104766682A true CN104766682A (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410651523.2A Pending CN104766682A (en) | 2014-11-17 | 2014-11-17 | High voltage damping resistor and high voltage transmission system using the resistor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104766682A (en) |
| WO (1) | WO2016078626A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044421A (en) * | 2015-07-09 | 2015-11-11 | 中国电力科学研究院 | 1000KV column type capacitive voltage transformer |
| CN105092929A (en) * | 2015-07-09 | 2015-11-25 | 中国电力科学研究院 | Improved 1000KV column capacitor type voltage transformer |
| CN105182035A (en) * | 2015-08-26 | 2015-12-23 | 中国电力科学研究院 | Column type capacitive voltage transformer with damping device |
| WO2016078626A1 (en) * | 2014-11-17 | 2016-05-26 | 国家电网公司 | High voltage damping resistor, and high voltage power transmission system using same |
| CN106546791A (en) * | 2016-11-18 | 2017-03-29 | 国家电网公司 | A kind of telescopically adjustable divider standard package |
| CN106918779A (en) * | 2017-02-10 | 2017-07-04 | 平高集团有限公司 | Primary cut-out switching-on resistance thermal capacity experimental rig |
| CN112349469A (en) * | 2020-10-29 | 2021-02-09 | 山东大通电阻器科技有限公司 | Large-current stainless steel resistor |
| CN112382452A (en) * | 2020-10-28 | 2021-02-19 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge covering |
| CN112382452B (en) * | 2020-10-28 | 2024-04-30 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge |
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| CN202275675U (en) * | 2011-07-18 | 2012-06-13 | 平高集团有限公司 | Tank-type lightning arrester used for electric power system |
| CN102723154A (en) * | 2012-06-20 | 2012-10-10 | 河南平高电气股份有限公司 | Resistor |
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| JP5212611B2 (en) * | 2008-01-08 | 2013-06-19 | 株式会社日立製作所 | Lightning arrestor |
| CN202258607U (en) * | 2011-08-24 | 2012-05-30 | 中国西电电气股份有限公司 | 252 kV geographic information system (GIS) gapless metallic oxide lightning arrester with three phases sharing one pot |
| CN202720981U (en) * | 2012-06-20 | 2013-02-06 | 河南平高电气股份有限公司 | Resistance |
| CN103969486B (en) * | 2014-04-30 | 2017-02-22 | 国家电网公司 | Grading ring for limiting transient voltage and current of capacitor voltage transformer |
| CN104766682A (en) * | 2014-11-17 | 2015-07-08 | 平高集团有限公司 | High voltage damping resistor and high voltage transmission system using the resistor |
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2014
- 2014-11-17 CN CN201410651523.2A patent/CN104766682A/en active Pending
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2015
- 2015-12-04 WO PCT/CN2015/096394 patent/WO2016078626A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4262318A (en) * | 1978-03-03 | 1981-04-14 | Hitachi, Ltd. | Zinc-oxide surge arrester |
| US5936826A (en) * | 1998-03-25 | 1999-08-10 | Asea Brown Boveri Ag | Surge arrester |
| CN1707705A (en) * | 2004-06-04 | 2005-12-14 | Abb技术有限公司 | Gas-insulated surge arrester |
| CN202275675U (en) * | 2011-07-18 | 2012-06-13 | 平高集团有限公司 | Tank-type lightning arrester used for electric power system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078626A1 (en) * | 2014-11-17 | 2016-05-26 | 国家电网公司 | High voltage damping resistor, and high voltage power transmission system using same |
| CN105092929B (en) * | 2015-07-09 | 2018-08-28 | 中国电力科学研究院 | A kind of improved 1000KV column type capacitors formula voltage transformer |
| CN105092929A (en) * | 2015-07-09 | 2015-11-25 | 中国电力科学研究院 | Improved 1000KV column capacitor type voltage transformer |
| CN105044421A (en) * | 2015-07-09 | 2015-11-11 | 中国电力科学研究院 | 1000KV column type capacitive voltage transformer |
| CN105182035A (en) * | 2015-08-26 | 2015-12-23 | 中国电力科学研究院 | Column type capacitive voltage transformer with damping device |
| CN105182035B (en) * | 2015-08-26 | 2019-03-08 | 中国电力科学研究院 | A kind of column type capacitor formula voltage transformer equipped with damping unit |
| CN106546791A (en) * | 2016-11-18 | 2017-03-29 | 国家电网公司 | A kind of telescopically adjustable divider standard package |
| CN106918779A (en) * | 2017-02-10 | 2017-07-04 | 平高集团有限公司 | Primary cut-out switching-on resistance thermal capacity experimental rig |
| CN106918779B (en) * | 2017-02-10 | 2019-11-08 | 平高集团有限公司 | High voltage circuit breaker closing resistance heat Capacity tester |
| CN112382452A (en) * | 2020-10-28 | 2021-02-19 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge covering |
| CN112382452B (en) * | 2020-10-28 | 2024-04-30 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge |
| CN112349469A (en) * | 2020-10-29 | 2021-02-09 | 山东大通电阻器科技有限公司 | Large-current stainless steel resistor |
| CN112349469B (en) * | 2020-10-29 | 2024-04-30 | 山东大通电阻器科技有限公司 | High-current stainless steel resistor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016078626A1 (en) | 2016-05-26 |
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Application publication date: 20150708 |
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