CN207264926U - Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor - Google Patents

Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor Download PDF

Info

Publication number
CN207264926U
CN207264926U CN201720673180.9U CN201720673180U CN207264926U CN 207264926 U CN207264926 U CN 207264926U CN 201720673180 U CN201720673180 U CN 201720673180U CN 207264926 U CN207264926 U CN 207264926U
Authority
CN
China
Prior art keywords
capacitance plate
capacitance
plate group
interior
dry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720673180.9U
Other languages
Chinese (zh)
Inventor
王如璋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ruiheng Xinyuan Investment Co Ltd
Original Assignee
Beijing Ruiheng Xinyuan Investment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Ruiheng Xinyuan Investment Co Ltd filed Critical Beijing Ruiheng Xinyuan Investment Co Ltd
Priority to CN201720673180.9U priority Critical patent/CN207264926U/en
Application granted granted Critical
Publication of CN207264926U publication Critical patent/CN207264926U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

A kind of dry type equalizing capacitor,It includes insulating core and the interior capacitance plate group being wound on insulating core and outer capacitance plate group,The capacity cell that solid isolation medium forms one group of tubular is equipped between interior capacitance plate group and outer capacitance plate group,Interior capacitance plate group includes the interior capacitance plate of multiple axially aligned tubulars,Outer capacitance plate group includes the outer capacitance plate of multiple axially aligned tubulars,Electric discharge is equipped between interior capacitance plate and blocks body,Electric discharge also is provided between outer capacitance plate and blocks body,Realize high-capacitance,Safe and reliable dry type equalizing capacitor,And by setting electric discharge to block body respectively between the capacitance plate in tubular and between outer capacitance plate,The dielectric level between discontinuity capacitance screen can be improved,The electric discharge approach of surface insulation between capacitance plate is set to be changed into combined insulation electric discharge approach,Effectively improve discharge voltage,Easy to use under high pressure.The utility model additionally provides a kind of dry-type capacitance divider and a kind of high-voltage mutual inductor.

Description

Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor
Technical field
High-voltage electrical appliances field is the utility model is related to, more particularly to a kind of dry type equalizing capacitor, dry-type capacitance partial pressure Device and high-voltage mutual inductor.
Background technology
Voltage transformer currently used for high pressure has two kinds of electromagnetic type and a condenser type, capacitance type potential transformer abbreviation CVT, Relatively there is many advantages, such as ferromagnetic resonance occurs for anti-locking system with electromagnetic potential transformer, had increasingly been used for electric power In system, mainly it is made of capacitive divider and compensation reactor, intermediate transformer etc., the core of capacitance type potential transformer Divide the capacitive divider being made of high-voltage capacitance and low-voltage capacitance, need vacuum technology to be filled with iknsulating liquid or gas impregnated dose, But iknsulating liquid or gas easily leak in operation, insulate in longtime running and easily make moist, dielectric dissipation factor increase, Dielectric breakdown is ultimately caused, larger security risk is formed to power grid.
The content of the invention
The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of high dry of simple in structure, reliability Formula equalizing capacitor.
To achieve the above object, the utility model employs following technical solution:
A kind of dry type equalizing capacitor, its interior capacitance plate group and dispatch from foreign news agency for including insulating core 1 and being wound on insulating core 1 Rong Ping groups, are equipped with the capacity cell 5 that solid isolation medium 7 forms one group of tubular between interior capacitance plate group and outer capacitance plate group, interior Capacitance plate group includes the interior capacitance plate 6 of multiple axially aligned tubulars, and outer capacitance plate group includes multiple axially aligned cylinders The outer capacitance plate 8 of shape, electric discharge blocking body 11 is equipped between interior capacitance plate 6, electric discharge also is provided between outer capacitance plate 8 and blocks body 11。
Optionally, including multigroup interior capacitance plate group being disposed alternately at successively outside insulating core 1 and outer capacitance plate group, it is adjacent Multigroup capacity cell 5 is formed equipped with solid isolation medium 7 between interior capacitance plate group and outer capacitance plate group, is set between capacity cell 5 There is a solid isolation medium 7, one end of capacitance plate group is connected by upper connector 91 in every group, one end of every group of outer capacitance plate group Connected by lower connector 92.
Optionally, the interior capacitance plate group is shifted to install with outer capacitance plate group, interior capacitance plate group and lower connector 92 it Between, and it is respectively equipped with preset clearance between outer capacitance plate group and upper connector 91.
Optionally, the number and height of the interior capacitance plate 6 of the capacitance plate group and the outer capacitance plate 8 of the outer capacitance plate group Identical, the distance being spaced between the distance being spaced between multiple interior capacitance plates 6 and multiple outer capacitance plates 8 is identical.
Optionally, upper flange 2, lower flange 3 and the oversheath 4 for being arranged on the outside of insulating core 1, the upper connector are further included 91 are connected with upper flange 2, and lower connector 92 is connected with lower flange 3.
Optionally, the upper connector 91 and lower connector 92 are enclosed in solid isolation medium 7.
Optionally, it is insulating tape or insulating washer that the electric discharge, which blocks body 11,.
Optionally, the interior capacitance plate 6 and outer capacitance plate 8 include insulation base stock and are arranged on multiple on insulation base stock Electrode, clearance for insulation is equipped between electrode, and insulation base stock is fastened on solid isolation medium 7, and electric discharge is equipped between the base stock that insulate Block body 11.
The utility model additionally provides a kind of dry-type capacitance divider, it includes above-mentioned dry type equalizing capacitor, it is special Sign is:The low-voltage capacitance screen 10 of tubular, low pressure are equipped with the outside of the outermost outer capacitance plate group of dry-type capacitance divider Capacitance plate 10 is connected with the lower flange 3 of dry-type capacitance divider.
Optionally, the low-voltage capacitance screen 10 is suitable with the height of single outer capacitance plate 8, and low-voltage capacitance screen 10 is arranged on The side of lower connector 92.
Optionally, the distance of the low-voltage capacitance screen 10 to the outer capacitance plate group of dry-type capacitance divider is less than dry-type capacitance Distance of the interior capacitance plate group of divider to the outer capacitance plate group of dry-type capacitance divider.
Optionally, lower flange 3 of the lower connector 92 of the dry-type capacitance divider not with dry-type capacitance divider connects Connect.
The utility model additionally provides a kind of high-voltage mutual inductor, it includes above-mentioned dry-type capacitance divider.
The dry type equalizing capacitor of the utility model, passes through the interior capacitance plate 6 of multiple tubulars, the outer capacitance plate of multiple tubulars 8 and solid isolation medium 7, realize high-capacitance, safe and reliable dry type equalizing capacitor, have oil-free, without gas, without porcelain, no Leak, is missing of ignition, inexplosive feature, and by being set respectively between the capacitance plate 6 in tubular and between outer capacitance plate 8 Electric discharge blocks body 11, it is possible to increase the dielectric level between discontinuity capacitance screen, makes the electric discharge way of surface insulation between capacitance plate Footpath is changed into combined insulation electric discharge approach, discharge voltage is effectively improved, easy to use under high pressure.In addition, by connector simultaneously Join multiple capacity cells 5 so that the increase of the capacitance of capacitor, the voltage that the particular number of capacity cell 5 is required according to user Value makes choice, and the more capacitances of quantity of capacity cell 5 are bigger.In addition, the upper connector 91 and lower connector 92 are closed In solid isolation medium 7, corona or electric discharge can be prevented;The dry-type capacitance divider of the utility model, in outermost The outside of outer capacitance plate group be equipped with the low-voltage capacitance screen 10 of tubular, low-voltage capacitance screen 10 is connected with lower flange 3, it is simple in structure, Capacitance is high, safe and reliable, production cost is low;The high-voltage mutual inductor of the utility model, simple in structure, reliable operation.
Brief description of the drawings
Fig. 1 is the partial section of the utility model dry type equalizing capacitor;
Fig. 2 is the partial section of the utility model dry-type capacitance divider.
Embodiment
The embodiment provided below in conjunction with attached drawing 1 to 2, further illustrates the tool of the dry type equalizing capacitor of the utility model Body embodiment.The dry type equalizing capacitor of the utility model is not limited to the following description.
Pressed as shown in Figure 1, the utility model provides a kind of dry type for high-voltage circuitbreaker or other high-tension apparatuses Capacitor, Fig. 1 are half side, its interior electricity for including insulating core 1 and being wound on insulating core 1 of dry type equalizing capacitor sectional view Rong Ping groups and outer capacitance plate group, are equipped with the one group of tubular of composition of solid isolation medium 7 between interior capacitance plate group and outer capacitance plate group Capacity cell 5, interior capacitance plate group include the interior capacitance plate 6 of multiple axially aligned tubulars, and outer capacitance plate group includes multiple edges The outer capacitance plate 8 of the tubular of axial alignment, electric discharge blocking body 11 is equipped between interior capacitance plate 6, is also set between outer capacitance plate 8 There is electric discharge to block body 11, it is insulating tape or insulating washer that the electric discharge, which blocks body 11,.The quantity of interior capacitance plate 6 and outer capacitance plate 8, And the distance between the distance between interior capacitance plate 6, outer capacitance plate 8 (i.e. the break distance of tubular capacitance plate) can bases The capacitance that user requires makes choice, and insulating core 1 can use nylon rod or epoxy resin rod, and solid isolation medium 7 can be with Using insulating tape or epoxy resin solids composite material.
The dry type equalizing capacitor of the utility model, passes through the interior capacitance plate 6 of multiple tubulars, the outer capacitance plate of multiple tubulars 8 and solid isolation medium 7, realize high-capacitance, safe and reliable dry type equalizing capacitor, have oil-free, without gas, without porcelain, no Leak, is missing of ignition, inexplosive feature, and by being set respectively between the capacitance plate 6 in tubular and between outer capacitance plate 8 Electric discharge blocks body 11, it is possible to increase the dielectric level between capacitance plate, is changed into the electric discharge approach of surface insulation between capacitance plate Combined insulation electric discharge approach, effectively improves discharge voltage, easy to use under high pressure.
Further, the dry type equalizing capacitor of the utility model includes multigroup capacity cell 5, it includes multigroup handing over successively For the interior capacitance plate group and outer capacitance plate group being arranged on outside insulating core 1, set between adjacent interior capacitance plate group and outer capacitance plate group There is solid isolation medium 7 to form multigroup capacity cell 5, multiple 5 coaxial concentric spacings of capacity cell are set and radius increases successively, It is equipped with solid isolation medium 7 between capacity cell 5, one end of capacitance plate group is connected in parallel on after being connected by upper connector 91 in every group Together, one end of every group of outer capacitance plate group is connected in parallel after being connected by lower connector 92.Connector 91 and lower connector 92 It can be made of metal.Show the embodiment of two groups of capacity cells 5 in Fig. 1, the particular number of capacity cell 5 according to The magnitude of voltage that family requires makes choice, and the more capacitances of quantity of capacity cell 5 are bigger.
The interior capacitance plate group of the utility model is identical with the structure of outer capacitance plate group, the interior capacitance plate group and outer capacitance plate Group shifts to install, and between interior capacitance plate group and lower connector 92, and is respectively equipped between outer capacitance plate group and upper connector 91 Preset clearance.
Further, the number of the interior capacitance plate 6 of the capacitance plate group and the outer capacitance plate 8 of the outer capacitance plate group, height Degree is identical with thickness, and the distance being spaced between the distance being spaced between multiple interior capacitance plates 6 and multiple outer capacitance plates 8 is identical, i.e., It is also identical that electric discharge between interior capacitance plate 6, which blocks the electric discharge between body 11 and outer capacitance plate 8 to block the size of body 11,.This is The preferred solution of the utility model, it is possible to increase dielectric level and capacitance, certainly interior capacitance plate 6 and outer capacitance plate 8 can also , highly can not also be same with thickness using different similar materials.Further, the distance between described capacity cell 5 is equal to Distance of the interior capacitance plate group to outer capacitance plate group.
The dry type equalizing capacitor of the utility model further includes the upper flange 2 for being arranged on the outside of insulating core 1,3 and of lower flange Oversheath 4, upper flange 2, lower flange 3 and oversheath 4 surround insulated cavity, and the capacity cell 5 is arranged in insulated cavity, described Upper connector 91 is connected with upper flange 2, and lower connector 92 is connected with lower flange 3.Oversheath 4 can use heat-shrink tube or silicon rubber Sebific duct, also installs silicon rubber umbrella skirt additional on oversheath 4, here to the material of oversheath 4 and full skirt, shape, number, size not Do specifically defined.
Further, the upper connector 91 and lower connector 92 are enclosed in solid isolation medium 7, due to upper connector Between 91 and outer capacitance plate group, and certain high voltage is undertaken between lower connector 92 and interior capacitance plate group, pass through solid-state Dielectric 7 can prevent corona or electric discharge.
As shown in Fig. 2, the utility model additionally provides a kind of dry type electricity for being used for voltage transformer or measurement voltage divider Hold divider, the dry-type capacitance divider includes above-mentioned dry type equalizing capacitor, the outside of capacitance plate group outside outermost Low-voltage capacitance screen 10 equipped with tubular, low-voltage capacitance screen 10 are connected with lower flange 3.
Further, the low-voltage capacitance screen 10 is arranged on the side of lower connector 92, and one end of low-voltage capacitance screen 10 is supported On lower flange 3, the other end is extended in the solid isolation medium 7 between outer capacitance plate group and oversheath 4.
Further, the low-voltage capacitance screen 10 is identical with 8 material of interior capacitance plate 6 and outer capacitance plate, structure, low-voltage capacitance Screen 10 is suitable with the height of interior capacitance plate 6 and outer capacitance plate 8, highly can be identical, can also slightly have deviation, low-voltage capacitance Screen 10 to outer capacitance plate group distances be less than interior capacitance plate group arrive outer capacitance plate group distances, can component voltage and formation uniformly Electric field.
The utility model additionally provides a kind of high-voltage mutual inductor, it includes above-mentioned dry-type capacitance divider, high-voltage mutual inductor For open side type or polystyle.
As a kind of embodiment of capacitance plate, the capacitance plate 6 and outer capacitance plate 8 are aluminium foil, and aluminium foil is fastened directly to The surface (or surface of insulating core 1) of solid isolation medium 7, is equipped with electric discharge blocking body 11, simple in structure, cost between aluminium foil It is low;As the another embodiment of capacitance plate, 8 structure of the interior capacitance plate 6 and outer capacitance plate, identical, the interior capacitance plate 6 and the multiple electricity made of conductive or semiconductive material that include insulation base stock and be arranged on insulation base stock of outer capacitance plate 8 Pole, clearance for insulation is equipped between electrode, and electric discharge is equipped between the base stock that insulate and blocks body 11, insulation base stock is fastened on solid isolation Jie The surface (or surface of insulating core 1) of matter 7, by setting multiple electrodes on interior capacitance plate 6 and outer capacitance plate 8, and in electrode Between clearance for insulation is set, capacitance can be further improved, insulation base stock can be directly wound on insulating core 1 or solid-state On dielectric 7, certainly, capacitance plate can not also use the structure of the above-mentioned multiple electrodes being arranged on insulation base stock, also may be used To be made of aluminium foil, the scope of protection of the utility model is belonged to.
The dry type equalizing capacitor of the utility model first sets insulating core 1, upper flange 2, lower flange 3, outer shield in assembling Set 4, the interior capacitance plate 6 that multiple discontinuous tubulars are then fastened on the surface of insulating core 1 are used as interior electrode, then outsourcing solid Dielectric 7, the outer capacitance plate 8 for then fastening multiple discontinuous tubulars again on the surface of solid dielectric insulation 7 are used as dispatch from foreign news agency Pole, external electrode and interior electrode form one group of series capacitance elements 5, by upper connector 91 by the capacity cell 5 of multigroup series connection Interior electrode be connected with interior electrode after access upper flange 2, by lower connector 92 by the external electrode of the capacity cell 5 of multigroup series connection with Outer electrical connection is followed by, into lower flange 3, then discontinuously locating (i.e. wound packages screen between interior capacitance plate 6 and between outer capacitance plate 8 respectively Disconnected) add electric discharge and block body 11, prevent from discharging between the tubular screen of interior electrode or external electrode, then by upper connector 91 and lower company Fitting 92 is enclosed in dielectric, such as in insulating tape or in epoxy glass laminate.
The dry-type capacitance divider of the utility model first sets insulating core 1, upper flange 2, lower flange 3, outer shield in assembling Set 4, the interior capacitance plate 6 that multiple discontinuous tubulars are then fastened on the surface of insulating core 1 are used as interior electrode, then outsourcing solid Dielectric 7, the outer capacitance plate 8 for then fastening multiple discontinuous tubulars again on the surface of solid dielectric insulation 7 are used as dispatch from foreign news agency Pole, external electrode and interior electrode form one group of series capacitance elements 5, by upper connector 91 by the capacity cell 5 of multigroup series connection Interior electrode accesses upper flange 2 after being connected with interior electrode, external electrode and external electrode are by lower connector 92 close to the one of lower flange 3 Side is in parallel and insulate with lower flange 3, and draws the low-pressure end for forming capacitive divider, then in the capacity cell of outermost series connection The low-voltage capacitance screen 10 of tubular is set to be used as low-field electrode, low-voltage capacitance screen 10 on the outside of the external electrode of lower flange 3 on 5 It is made of the material and structure identical with interior capacitance plate 6 and outer condenser paper 8, such as makees electrode with aluminium foil, with insulating tape or epoxy Resin solid composite material insulate, and the external electrode of low-field electrode is connected with lower flange 3, when making inner and outer electrodes, Discontinuously place's (i.e. wound packages screen disconnected) adds electric discharge blocking body 11 between interior capacitance plate 6 and between outer capacitance plate 8 respectively, prevents Only discharge, then upper connector 91 and lower connector 92 are enclosed in dielectric, example between the tubular screen of interior electrode or external electrode As in insulating tape or in epoxy resin solids composite material.
The utility model technology has the following advantages:
1) oil-free, without gas, without porcelain, it is non-leakage, it is missing of ignition, do not explode, securely and reliably;
2) substantially it is that a dry type that can be used between breaker fracture is equal when capacitive divider does not set low-voltage capacitance screen 10 Piezoelectric capsule, or other electricity container, can require selection open side type or polystyle according to user;
3) electric discharge blocks body 11 to improve in interior capacitance plate group between discontinuous interior capacitance plate 6 and in outer capacitance plate group Dielectric level between discontinuous outer capacitance plate 8, makes the electric discharge of the surface insulation between tubular screen approach become combined insulation and puts Electric approach, improves discharge voltage, so as to using at higher voltages;
4) in connection between the upper connector 91 of capacitance plate group and outer capacitance plate group, and between the outer capacitance plate group of connection Between lower connector 92 and interior capacitance plate group, certain high voltage is undertaken respectively, and corona is easily produced under this high voltage or is put Electricity, therefore, this can be solved the problems, such as by being enclosed in dielectric;
5) magnitude of voltage required according to user determines to connect the quantity and interior capacitance plate 6 of interior capacitance plate 6 and outer condenser paper 8 Between between outer capacitance plate 8 discontinuously locate (i.e. wound packages screen disconnected) distance, while can according to user requirement capacitance Determine the quantity of the capacity cell 5 with the parallel connection of upper and lower connector, the more capacitances of quantity of capacity cell 5 in parallel are bigger;
6) shape of oversheath 4 can be determined according to use condition, and whether install additional the shape of full skirt and full skirt, number, Size.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims (13)

  1. A kind of 1. dry type equalizing capacitor, it is characterised in that:Including insulating core (1) and the interior electricity being wound on insulating core (1) Rong Ping groups and outer capacitance plate group, are equipped with solid isolation medium (7) and form one group of tubular between interior capacitance plate group and outer capacitance plate group Capacity cell (5), interior capacitance plate group includes the interior capacitance plate (6) of multiple axially aligned tubulars, and outer capacitance plate group includes The outer capacitance plate (8) of multiple axially aligned tubulars, is equipped with electric discharge blocking body (11), in dispatch from foreign news agency between interior capacitance plate (6) Electric discharge also is provided between Rong Ping (8) and blocks body (11).
  2. 2. dry type equalizing capacitor according to claim 1, it is characterised in that:Insulation is disposed alternately at successively including multigroup The outer interior capacitance plate group of core (1) and outer capacitance plate group, solid isolation is equipped between adjacent interior capacitance plate group and outer capacitance plate group Medium (7) forms multigroup capacity cell (5), is equipped with solid isolation medium (7) between capacity cell (5), capacitance plate group in every group One end connected by upper connector (91), one end of every group of outer capacitance plate group passes through lower connector (92) connection.
  3. 3. dry type equalizing capacitor according to claim 2, it is characterised in that:The interior capacitance plate group and outer capacitance plate group Shift to install, between interior capacitance plate group and lower connector (92), and set respectively between outer capacitance plate group and upper connector (91) There is preset clearance.
  4. 4. dry type equalizing capacitor according to claim 3, it is characterised in that:The interior capacitance plate (6) of the capacitance plate group With the number of the outer capacitance plate (8) of the outer capacitance plate group and highly identical, the distance being spaced between multiple interior capacitance plates (6) with The distance being spaced between multiple outer capacitance plates (8) is identical.
  5. 5. dry type equalizing capacitor according to claim 2, it is characterised in that:Further include and be arranged on the outside of insulating core (1) Upper flange (2), lower flange (3) and oversheath (4), the upper connector (91) is connected with upper flange (2), lower connector (92) It is connected with lower flange (3).
  6. 6. dry type equalizing capacitor according to claim 2, it is characterised in that:The upper connector (91) and lower connector (92) it is enclosed in solid isolation medium (7).
  7. 7. dry type equalizing capacitor according to claim 1, it is characterised in that:It is insulating tape that the electric discharge, which blocks body (11), Or insulating washer.
  8. 8. according to any dry type equalizing capacitors of claim 1-7, it is characterised in that:The interior capacitance plate (6) and outer Capacitance plate (8) includes insulation base stock and is arranged on the multiple electrodes to insulate on base stock, is equipped with clearance for insulation between electrode, insulate Base stock is fastened on solid isolation medium (7), and being equipped with electric discharge between the base stock that insulate blocks body (11).
  9. 9. a kind of dry-type capacitance divider, including the dry type equalizing capacitor described in claim 5, it is characterised in that:In dry type The outside of the outermost outer capacitance plate group of equalizing capacitor be equipped with tubular low-voltage capacitance screen (10), low-voltage capacitance screen (10) with Lower flange (3) connection of dry type equalizing capacitor.
  10. 10. dry-type capacitance divider according to claim 9, it is characterised in that:The low-voltage capacitance screen (10) and dry type The height of the single outer capacitance plate (8) of equalizing capacitor is suitable, and low-voltage capacitance screen (10) is arranged on the side of lower connector (92).
  11. 11. dry-type capacitance divider according to claim 9, it is characterised in that:The low-voltage capacitance screen (10) arrives dry type The distance of the outer capacitance plate group of equalizing capacitor is less than the interior capacitance plate group of dry type equalizing capacitor to dry type equalizing capacitor The distance of outer capacitance plate group.
  12. 12. dry-type capacitance divider according to claim 9, it is characterised in that:The lower company of the dry type equalizing capacitor Fitting (92) is not connected with the lower flange (3) of dry type equalizing capacitor.
  13. A kind of 13. high-voltage mutual inductor, it is characterised in that:Including any dry-type capacitance divider of claim 9-12.
CN201720673180.9U 2017-06-09 2017-06-09 Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor Active CN207264926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720673180.9U CN207264926U (en) 2017-06-09 2017-06-09 Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720673180.9U CN207264926U (en) 2017-06-09 2017-06-09 Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor

Publications (1)

Publication Number Publication Date
CN207264926U true CN207264926U (en) 2018-04-20

Family

ID=61915346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720673180.9U Active CN207264926U (en) 2017-06-09 2017-06-09 Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor

Country Status (1)

Country Link
CN (1) CN207264926U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112563030A (en) * 2020-12-01 2021-03-26 上海上电电容器有限公司 Non-inductive voltage-sharing damping voltage-dividing capacitor
CN113777447A (en) * 2021-07-28 2021-12-10 国网宁夏电力有限公司电力科学研究院 Reactor for lightning arrester test platform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112563030A (en) * 2020-12-01 2021-03-26 上海上电电容器有限公司 Non-inductive voltage-sharing damping voltage-dividing capacitor
CN112563030B (en) * 2020-12-01 2022-02-15 上海上电电容器有限公司 Non-inductive voltage-sharing damping voltage-dividing capacitor
CN113777447A (en) * 2021-07-28 2021-12-10 国网宁夏电力有限公司电力科学研究院 Reactor for lightning arrester test platform

Similar Documents

Publication Publication Date Title
CN1912638B (en) Can type capacitor voltage mutual inductor
US10732204B2 (en) Large-capacitance insulating core, high-voltage electrical appliance and multi-functional high-voltage bushing
CN101819868B (en) Extra-high-voltage equal potential shielded capacitor voltage transformer
CN207264926U (en) Dry type equalizing capacitor, dry-type capacitance divider and high-voltage mutual inductor
CN200968968Y (en) Can-type capacitance type potential transformer
CN105588966B (en) A kind of gas-insulated stagewise voltage transformer
CN202614820U (en) Capacitance voltage divider used in gas insulated switchgear (GIS)
CN201282018Y (en) Extra-high voltage capacitor voltage transformer
CN208672702U (en) The capacitive voltage transformer of high pressure dry
US11240929B2 (en) Inhibitor module and shielding arrangements for high voltage equipment
CN102496447A (en) Electronic single-phase current voltage transformer for gas insulated metal-closed switchgear
CN103543311B (en) A kind of High-precision capacitance-resistandivider divider
CN201142718Y (en) Feeder line isolating circuit
CN108831682A (en) A kind of high voltage protection capacitance type potential transformer
CN108831728A (en) A kind of manufacturing process of isolating transformer
CN108872671A (en) It is a kind of can plug EVT Special low-voltage module
CN107910182A (en) A kind of flexible circuit conductor high-voltage capacitor
CN207268981U (en) A kind of new structure gas-insulated transformer casing
CN207068666U (en) 750kV reactor local discharge test device electricity container
CN208637251U (en) A kind of high voltage protection capacitance type potential transformer
CN201229847Y (en) Weak output capacitor type voltage mutual inductor
CN208368275U (en) A kind of resistance unit and the multicolumn lightning arrester connected in parallel comprising the resistance unit
CN206789408U (en) A kind of gas-insulated transformer sleeve pipe
CN206672822U (en) Switch equal laminated structure and 250kV high-tension cable oscillation wave partial discharge test system
CN207965120U (en) A kind of capacitance type potential transformer ferromagnetic resonance experimental rig

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant