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 PDFInfo
- 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
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
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)
- 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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.
- A kind of 13. high-voltage mutual inductor, it is characterised in that:Including any dry-type capacitance divider of claim 9-12.
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)
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 |
-
2017
- 2017-06-09 CN CN201720673180.9U patent/CN207264926U/en active Active
Cited By (3)
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 |