CN205752000U - Bushing type combined electrical apparatus - Google Patents

Bushing type combined electrical apparatus Download PDF

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Publication number
CN205752000U
CN205752000U CN201620626571.0U CN201620626571U CN205752000U CN 205752000 U CN205752000 U CN 205752000U CN 201620626571 U CN201620626571 U CN 201620626571U CN 205752000 U CN205752000 U CN 205752000U
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China
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sleeve pipe
insulation core
core
vacuum interrupter
capacitance
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CN201620626571.0U
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Chinese (zh)
Inventor
王为高
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Beijing Ruiheng Xinyuan Investment Co Ltd
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Beijing Ruiheng Xinyuan Investment Co Ltd
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Abstract

A kind of bushing type combined electrical apparatus, including sleeve pipe, insulation core body and vacuum interrupter, insulation core body is connected with sleeve pipe one end, vacuum interrupter is arranged in insulation core body, the conductor being connected with static contact and the moving contact of vacuum interrupter is drawn respectively from sleeve pipe and insulation core body, and operating mechanism is connected with the dynamic pull bar of vacuum interrupter.Bushing type combined electrical apparatus of the present utility model, is matched by vacuum interrupter and insulation core body, has sleeve pipe and chopper function, can control the break-make of high-tension circuit, can simplify the structure of high-voltage switch gear, switch board, reduces equipment volume, reduces the cost of equipment.

Description

Bushing type combined electrical apparatus
Technical field
This utility model belongs to high-voltage electrical equipment field, particularly relates to a kind of bushing type combined electrical apparatus.
Background technology
When transformator outwards exports electric energy, the outfan of transformator typically require by bushing shell for transformer and chopper with External power grid is connected, existing bushing shell for transformer and chopper volume is big, structure is complicated, and cost is high and safeguards inconvenience.Such as, GIS Combined electrical apparatus not only volume is big, structure is complicated, and needs to fill insulating gas in use, and whole device needs to be arranged on anti- Protect casing internal, not only increase use cost, and repair and maintenance is the most inconvenient.The most how to provide a kind of simple in construction, The combined electrical apparatus that volume is little, easy to maintenance.
Summary of the invention
The technical problems to be solved in the utility model is, not enough for prior art, it is provided that a kind of simple in construction, maintenance side Just Novel sleeve type combined electrical apparatus.
For achieving the above object, this utility model adopts the technical scheme that
A kind of bushing type combined electrical apparatus, including sleeve pipe 1, insulation core body 4 and vacuum interrupter 2, insulation core body 4 and sleeve pipe 1 One end connects, and vacuum interrupter 2 is arranged in insulation core body 4, the conductor being connected with static contact and the moving contact of vacuum interrupter 2 Drawing from sleeve pipe 1 and insulation core body 4 respectively, operating mechanism is connected with the dynamic pull bar 9 of vacuum interrupter 2.
Preferably, described sleeve pipe 1 one end and insulation core body 4 one end connect into linear type, sleeve pipe 1 by adpting flange 7 The other end is provided with binding post 11, and the other end of insulation core body 4 is provided with external power grid binding post 12, the stationary contact of vacuum interrupter 2 Head and moving contact electrically connect with binding post 11 and external power grid binding post 12 respectively, and the dynamic pull bar 9 of vacuum interrupter 2 is from insulation The other end of core body 4 is drawn.
Preferably, described insulation core body 4 is connected with sleeve pipe 1 one end, and insulation core body 4 is with sleeve pipe 1 by adpting flange 7 even Being connected into T-shaped, insulation core body one end is provided with external power grid binding post 12, and the other end is provided with operating mechanism, and sleeve pipe 1 other end is provided with Binding post 11, the static contact of vacuum interrupter 2 and moving contact are electrically connected with binding post 11 and external power grid binding post 12 respectively Connect.
Preferably, described insulation core body 4 includes the first insulation core body 41 and the second insulation core body 42, the first insulation core body 41 Being vertically arranged with sleeve pipe 1 with the second insulation core body 42, connection method is passed through in one end of first insulation core body the 41, second insulation core body 42 Blue 7 are connected with sleeve pipe 1 one end and to form T font attachment structure;It is internal that vacuum interrupter 2 is arranged on the first insulation core body 41, vacuum The static contact of arc-chutes 2 and the external power grid binding post 12 of the first insulation core body 41 other end end electrically connect, vacuum interrupter 2 Dynamic pull bar 9 draw from second insulation core body 42 other end, and the moving contact of vacuum interrupter 2 be arranged on sleeve pipe 1 lower end Binding post 11 electrically connects.
Preferably, one end that vacuum interrupter 2 is connected with sleeve pipe 1 in being arranged on insulation core body 4 cavity, vacuum interrupter 2 One end is connected with sleeve pipe 1.
Preferably, described insulation core body 4 is glass reinforced plastic pipe or epoxy resin pipe.
Preferably, described sleeve pipe 1 includes capacitor type insulating core body 13, be embedded with in described capacitor type insulating core body 13 with absolutely Multiple capacitance plates being coaxially disposed that edge layer is arranged alternately, outermost capacitance plate is ground capacity screen.
Preferably, described sleeve pipe 1 is bushing shell for transformer, and capacitor type insulating core body 13 external stability is provided with protection full skirt 8 and install sleeve pipe 1 mounting flange 5, outside bushing shell for transformer, be also arranged with current transformer 6.
Preferably, the forward capacitance plate group 14 being arranged alternately and being connected in parallel it is provided with in described capacitor type insulating core body 13 The multiple capacitance plate groups constituted with reciprocal capacitance screen group 15;Described forward capacitance plate group 14 includes multiple alternately setting with insulating barrier The capacitance plate put, the capacitance plate of forward capacitance plate group 14 inner side connects high potential, and outermost capacitance plate connects electronegative potential;Described Reciprocal capacitance screen group 15 includes that multiple capacitance plate being arranged alternately with insulating barrier, the capacitance plate of reciprocal capacitance screen group 15 inner side connect Electronegative potential, outermost capacitance plate connects high potential;The capacitance plate group of inner side and outermost capacitance plate in multiple capacitance plate groups Group is all forward capacitance plate group 14;The bulky capacitor that multiple capacitance plates in capacitor type insulating core body 13 are constituted provides for operating mechanism Power supply.
Preferably, in capacitor type insulating core body 13, the both sides of vacuum interrupter 2 are embedded with two groups of capacitance plate groups, often organize electricity Rong Ping group includes constituting the main capacitance screen of main capacitance C1 113, constituting the derided capacitors screen of derided capacitors C2 114 and constitute shielding The mask capacitor screen of electric capacity C3 115, main capacitance C1 113 and the output of derided capacitors C2 114 offer in series voltage signal Voltage transformer, two groups of capacitance plate groups in capacitor type insulating core body 13 constitute two voltage transformers.
Bushing type combined electrical apparatus of the present utility model, is matched by vacuum interrupter 2 and insulation core body 4, it is provided that one Plant novel bushing type combined electrical apparatus, there is sleeve pipe and chopper function, the break-make of high-tension circuit can be controlled, height can be simplified and press off Pass, the structure of switch board, reduce equipment volume, reduces the cost of equipment.Insulation core body 4 is coated on outside vacuum interrupter 2 and plays Insulation protection effect, forms the cavity without filling insulating gas in insulation core body 4, can be by with vacuum interrupter 2 when safeguarding Insulation core body 4 disassemble, the simple in construction of bushing type combined electrical apparatus, volume are little, it is easy to safeguard.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will the accompanying drawing of embodiment be made simple below Ground is introduced, it should be apparent that, the accompanying drawing in describing below merely relates to embodiments more of the present utility model, rather than to this practicality Novel restriction.
Fig. 1 is the structural representation of the embodiment 1 of bushing type combined electrical apparatus of the present utility model;
Fig. 2 is the structural representation of the embodiment 2 of bushing type combined electrical apparatus of the present utility model;
Fig. 3 is a kind of structural representation of the multiple capacitance plates in the capacitor type insulating core body of sleeve pipe of the present utility model;
Fig. 4 is the another kind of structural representation of the multiple capacitance plates in the capacitor type insulating core body of sleeve pipe of the present utility model Figure.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 4, further illustrates detailed description of the invention of the present utility model.This reality It is not limited to the following description with novel.
As shown in Figure 1-2, a kind of bushing type combined electrical apparatus, including sleeve pipe 1, insulation core body 4 and vacuum interrupter 2, insulation Core body 4 is connected with sleeve pipe 1 one end, and vacuum interrupter 2 is arranged in insulation core body 4, with the static contact of vacuum interrupter 2 and dynamic touch The conductor that head connects is drawn respectively from sleeve pipe 1 and insulation core body 4, and operating mechanism is connected with the dynamic pull bar 9 of vacuum interrupter 2. Bushing type combined electrical apparatus of the present utility model, is matched by vacuum interrupter 2 and insulation core body 4, it is provided that a kind of novel Bushing type combined electrical apparatus, has sleeve pipe and chopper function, can control the break-make of high-tension circuit, can simplify high-voltage switch gear, control The structure of cabinet, reduces equipment volume, reduces the cost of equipment.Insulation core body 4 is coated on outside vacuum interrupter 2 and plays insulation protection Effect, forms the cavity without filling insulating gas in the insulation core body 4 of tubulose, can be by with vacuum interrupter 2 when safeguarding Insulation core body 4 disassembles, and the simple in construction of bushing type combined electrical apparatus, volume are little, it is easy to safeguard.
A kind of preferred embodiment of the present utility model, described sleeve pipe 1 is the bushing shell for transformer of capacitor type, exhausted including capacitor type Edge core body 13, is embedded with the multiple capacitance plates being coaxially disposed being arranged alternately with insulating barrier in described capacitor type insulating core body 13, Outermost capacitance plate is ground capacity screen.Capacitor type insulating core body 13 external stability is provided with protection full skirt 8 and set is installed The mounting flange 5 of pipe 1, is also arranged with current transformer 6 outside bushing shell for transformer.Bushing type combined electrical apparatus of the present utility model exists During use, this device can be directly placed at outside transformator, it is not necessary to separately arranges casing and protects, it is not necessary to fills insulation gas, takies Space is little, it is simple to installing and safeguard, simple operation is with low cost.
Below in conjunction with multiple embodiments, further illustrate bushing type combined electrical apparatus described in the utility model:
Embodiment 1
As shown in Figure 1: a kind of bushing type combined electrical apparatus, including sleeve pipe 1, insulation core body 4 and vacuum interrupter 2, described Sleeve pipe 1 one end and insulation core body 4 one end connect into linear type by adpting flange 7, and sleeve pipe 1 other end is provided with binding post 11, The other end of insulation core body 4 is provided with external power grid binding post 12, the static contact of vacuum interrupter 2 and moving contact respectively with terminals Son 11 and external power grid binding post 12 electrically connect, and the dynamic pull bar 9 of vacuum interrupter 2 is drawn from the other end of insulation core body 4.Described Insulation core body 4 is connected with sleeve pipe 1 by adpting flange 7, it is simple to installs and safeguards.Vacuum interrupter 2 is arranged on insulation core body 4 cavity Interior one end being connected with sleeve pipe 1, vacuum interrupter 2 one end is connected with sleeve pipe 1, with leading that the static contact of vacuum interrupter 2 is connected Electric pole is connected through the cavity of sleeve pipe 1 with binding post 11, and the moving contact of vacuum interrupter 2 is connected with operating mechanism, and with outward Power network wiring terminal 12 electrically connects.Operating mechanism and dynamic pull bar 9 drive moving contact and static contact to be contacting and separating and realize circuit Break-make.
Preferably, described insulation core body 4 is glass reinforced plastic pipe, is provided with protection full skirt 8, the insulating core of glass reinforced plastic pipe outside it Body 4 is connected with sleeve pipe 1 by adpting flange 7.Certainly insulation core body 4 can also be the insulating core of the dry type that other material is made Body, such as epoxy resin pipe, can select most economical frame mode according to condition of high voltage.
A kind of preferably scheme, described sleeve pipe 1 includes capacitor type insulating core body 13, and described capacitor type insulating core body 13 is embedded Being provided with the multiple capacitance plates being coaxially disposed being arranged alternately with insulating barrier, outermost capacitance plate is ground capacity screen, by many Individual capacitance plate plays the effect all pressed, and prevents high-voltage breakdown.Capacitor type insulating core body 13 external stability is provided with protection full skirt 8 With the mounting flange 5 of installation sleeve pipe 1, the ground capacity screen in capacitor type insulating core body 13 is by the ground terminal on mounting flange Ground connection.Described sleeve pipe 1 is bushing shell for transformer, and bushing shell for transformer one end is connected with insulation core body 4, and the other end is provided with binding post 11, for being electrically connected with transformator, mounting flange 5 is connected for fixing with transformator.Electricity also it is arranged with outside bushing shell for transformer Current transformer 6, the multiple capacitance plates in capacitor type insulating core body 13 may make up voltage transformer.Described current transformer 6 He Voltage transformer can be used for obtaining electric energy from high-tension line provides power supply for operating mechanism.Independent electricity can certainly be used Pressure transformer obtains power supply from high-tension line.
As it is shown on figure 3, the preferred version of a kind of capacitor type insulating core body 13, in the capacitor type insulating core body 13 of sleeve pipe 1 The structural representation of multiple capacitance plates, shows the sectional view of the half side capacitance plate of capacitor type insulating core body 13 in figure.Described It is provided with the forward capacitance plate group 14 being arranged alternately and being connected in parallel in capacitor type insulating core body 13 and reciprocal capacitance screen group 15 is constituted Multiple capacitance plate groups;Described forward capacitance plate group 14 includes multiple capacitance plate being arranged alternately with insulating barrier, forward electric capacity The capacitance plate of screen group 14 inner side connects high potential, and outermost capacitance plate connects electronegative potential;Described reciprocal capacitance screen group 15 includes Multiple capacitance plates being arranged alternately with insulating barrier, the capacitance plate of reciprocal capacitance screen group 15 inner side connects electronegative potential, outermost electricity Rong Ping connects high potential;In multiple capacitance plate groups, capacitance plate group and the outermost capacitance plate group of inner side are all forward capacitance plate groups 14;The bulky capacitor that multiple capacitance plates in capacitor type insulating core body 13 are constituted provides power supply for operating mechanism.The electricity of the present embodiment Appearance type insulation core body 4 is the multiple electric capacity being made up of the forward capacitance plate group being arranged alternately and being connected in parallel and reciprocal capacitance screen group Screen group realizes the increase of the capacitance of insulation core body 4, can meet simultaneously High-Voltage Electrical Appliances to all pressure and the requirement of high capacitance, with Power to operating mechanism, meet different operating mechanism power reguirements.Forward capacitance plate group 14 and reciprocal capacitance screen group 15 are alternately Number of times determine according to required capacitance, the capacitance of insulation core body 4 increases and can obtain more electric energy from high-voltage fence, can The power obtaining electric energy is greatly improved, and has low cost, an advantage that anti-interference is high, and the capacitance of insulation core body 4 is the biggest, can be from The electric energy that high-pressure side obtains is the biggest.Multiple capacitance plates of forward capacitance plate group 14 and multiple capacitance plates of reciprocal capacitance screen group 15 are equal For the cylinder being coaxially arranged concentrically, all capacitance plate groups connect and electrically connects between the capacitance plate of high potential, connect the electric capacity of electronegative potential Electrically connect between screen, so that all forward capacitance plate groups and reciprocal capacitance screen group form parallel-connection structure.Forward capacitance plate group 14 Multiple capacitance plates being coaxially arranged concentrically misplaced shape to the other end by insulation core body 4 one end the most vertically by inner side to outside Steps skew is become to arrange;Reciprocal capacitance screen group 15 is then contrary, multiple electric capacity being coaxially arranged concentrically of reciprocal capacitance screen group 15 Shield and formed steps skew setting by insulation core body 4 other end to one end dislocation the most vertically by inner side to outside.
As shown in Figure 4, another preferred version of capacitor type insulating core body 13, in the capacitor type insulating core body 13 of sleeve pipe 1 The structural representation of multiple capacitance plates, shows the sectional view of the half side capacitance plate of capacitor type insulating core body 13 in figure.Capacitor type Multiple capacitance plates in insulation core body 13 may make up two voltage transformers, vacuum interrupter 2 in capacitor type insulating core body 13 Two ends be embedded with two groups of capacitance plate groups, often group capacitance plate group includes constituting the main capacitance screen of main capacitance C1 113, constituting dividing potential drop The derided capacitors screen of electric capacity C2 114 and the mask capacitor screen of composition mask capacitor C3 115, main capacitance C1 113 and derided capacitors The voltage transformer of C2 114 offer in series voltage signal output, two groups of capacitance plate group structures in capacitor type insulating core body 13 Become two voltage transformers.Preferably, often multiple capacitance plates of group capacitance plate group are coaxially arranged concentrically, by inner side to outside gradually Become steps skew to arrange from the end of capacitor type insulating core body 13 toward the middle part being provided with vacuum interrupter 2 vertically, make electric field Being evenly distributed, size and the position of each capacitance plate are determined by calculating of insulating, and the length of each capacitance plate is the most identical, each The ladder difference of capacitance plate is the most equal, and the upper descending stair difference of capacitance plate is the most equal.Certainly, in capacitor type insulating core body 13 Multiple capacitance plates also can only constitute a voltage transformer or more voltage transformer.
The bushing type combined electrical apparatus of the present embodiment by binding post 11 and external power grid binding post 12 respectively with transformator Outfan is connected with external power grid, is controlled the break-make of high-tension line by vacuum interrupter 2;Vacuum interrupter 2 is arranged on insulating core Body 4 is internal, is ensured the insulating properties of vacuum interrupter 2 by insulation core body 4 so that whole device can be directly arranged at outside transformator Portion, it is not necessary to single chopper is set, it is not necessary to protection casing is separately set, it is not necessary to fill insulation gas and make the structure of whole device more Add compact, take up room little.
Embodiment 2
As shown in Figure 2: a kind of bushing type combined electrical apparatus, including sleeve pipe 1, insulation core body 4 and vacuum interrupter 2, described Insulation core body 4 is connected with sleeve pipe 1 one end, and insulation core body 4 connects into T-shaped with sleeve pipe 1 by adpting flange 7, insulation core body one End is provided with external power grid binding post 12, and the other end is provided with operating mechanism, and sleeve pipe 1 other end is provided with binding post 11, vacuum extinction The static contact of room 2 and moving contact electrically connect with binding post 11 and external power grid binding post 12 respectively.The present embodiment and embodiment 1 Difference be, become T-shaped structure, insulation core body 4 two ends to be respectively external power grid wiring by insulation core body 4 with sleeve pipe 1 Terminal 12 and operating mechanism 3, make operating mechanism 3 and high-pressure side have a certain distance.
Preferably, described insulation core body 4 includes the first insulation core body 41 and the second insulation core body 42, the first insulation core body 41 Being vertically arranged with sleeve pipe 1 with the second insulation core body 42, connection method is passed through in one end of first insulation core body the 41, second insulation core body 42 Blue 7 are connected with sleeve pipe 1 one end and to form T font attachment structure;It is internal that vacuum interrupter 2 is arranged on the first insulation core body 41, vacuum The static contact of arc-chutes 2 and the external power grid binding post 12 of the first insulation core body 41 other end end electrically connect, vacuum interrupter 2 Dynamic pull bar 9 draw from second insulation core body 42 other end, and the moving contact of vacuum interrupter 2 be arranged on sleeve pipe 1 lower end Binding post 11 electrically connects.The first described insulation core body 41 and the second insulation core body 42 are glass reinforced plastic pipe, are respectively provided with outside it There is protection full skirt 8.Certainly insulation core body 4 can also be the insulation core body of the dry type that other material is made,
The sleeve pipe 1 of the present embodiment is preferably condenser bushing, including capacitor type insulating core body 13, its concrete structure and enforcement Being similar to of example 1, repeats no more.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard For belonging to protection domain of the present utility model.

Claims (10)

1. a bushing type combined electrical apparatus, it is characterised in that: include sleeve pipe (1), insulation core body (4) and vacuum interrupter (2), absolutely Edge core body (4) is connected with sleeve pipe (1) one end, and vacuum interrupter (2) is arranged in insulation core body (4), with vacuum interrupter (2) The conductor that static contact and moving contact connect is drawn respectively from sleeve pipe (1) and insulation core body (4), operating mechanism and vacuum interrupter (2) dynamic pull bar (9) connects.
Bushing type combined electrical apparatus the most according to claim 1, it is characterised in that: described sleeve pipe (1) one end and insulating core Body (4) one end connects into linear type by adpting flange (7), and sleeve pipe (1) other end is provided with binding post (11), insulation core body (4) the other end is provided with external power grid binding post (12), the static contact of vacuum interrupter (2) and moving contact respectively with binding post (11) electrically connect with external power grid binding post (12), the dynamic pull bar (9) of vacuum interrupter (2) other end from insulation core body (4) Draw.
Bushing type combined electrical apparatus the most according to claim 1, it is characterised in that: described insulation core body (4) and sleeve pipe (1) One end connects, and insulation core body (4) connects into T-shaped with sleeve pipe (1) by adpting flange (7), and insulation core body one end is provided with dispatch from foreign news agency Net binding post (12), the other end is provided with operating mechanism, and sleeve pipe (1) other end is provided with binding post (11), vacuum interrupter (2) Static contact and moving contact electrically connect with binding post (11) and external power grid binding post (12) respectively.
Bushing type combined electrical apparatus the most according to claim 3, it is characterised in that: described insulation core body (4) includes that first is exhausted Edge core body (41) and the second insulation core body (42), the first insulation core body (41) and the second insulation core body (42) are vertical with sleeve pipe (1) Arranging, the first insulation core body (41), one end of the second insulation core body (42) are connected with sleeve pipe (1) one end by adpting flange (7) Composition T font attachment structure;It is internal that vacuum interrupter (2) is arranged on the first insulation core body (41), the stationary contact of vacuum interrupter (2) Head electrically connects with the external power grid binding post (12) of the first insulation core body (41) other end end, dynamic the drawing of vacuum interrupter (2) Bar (9) from the second insulation core body (42) other end draw, and the moving contact of vacuum interrupter (2) be arranged on sleeve pipe (1) lower end Binding post (11) electrical connection.
Bushing type combined electrical apparatus the most according to claim 2, it is characterised in that: vacuum interrupter (2) is arranged on insulating core The one end being connected with sleeve pipe (1) in body (4) cavity, vacuum interrupter (2) one end is connected with sleeve pipe (1).
6. according to the arbitrary described bushing type combined electrical apparatus of claim 1-5, it is characterised in that: described insulation core body (4) is glass Glass steel pipe or epoxy resin pipe.
7. according to the arbitrary described bushing type combined electrical apparatus of claim 1-5, it is characterised in that: described sleeve pipe (1) includes electric capacity Type insulation core body (13), is embedded with what be arranged alternately with insulating barrier multiple were coaxially disposed in described capacitor type insulating core body (13) Capacitance plate, outermost capacitance plate is ground capacity screen.
Bushing type combined electrical apparatus the most according to claim 7, it is characterised in that: described sleeve pipe (1) is bushing shell for transformer, Capacitor type insulating core body (13) external stability is provided with protection full skirt (8) and installs the mounting flange (5) of sleeve pipe (1), in transformation Current transformer (6) also it is arranged with outside device sleeve pipe.
Bushing type combined electrical apparatus the most according to claim 7, it is characterised in that: in described capacitor type insulating core body (13) It is provided with forward capacitance plate group (14) being arranged alternately and being connected in parallel and multiple capacitance plate groups that reciprocal capacitance screen group (15) is constituted; Described forward capacitance plate group (14) includes multiple capacitance plate being arranged alternately with insulating barrier, forward capacitance plate group (14) inner side Capacitance plate connect high potential, outermost capacitance plate connects electronegative potential;Described reciprocal capacitance screen group (15) includes multiple and insulation The capacitance plate that layer is arranged alternately, the capacitance plate of reciprocal capacitance screen group (15) inner side connects electronegative potential, and outermost capacitance plate connects height Current potential;In multiple capacitance plate groups, capacitance plate group and the outermost capacitance plate group of inner side are all forwards capacitance plate group (14);Electricity The bulky capacitor that multiple capacitance plates in appearance type insulation core body (13) are constituted provides power supply for operating mechanism.
Bushing type combined electrical apparatus the most according to claim 7, it is characterised in that: true in capacitor type insulating core body (13) The both sides of empty arc-chutes (2) are embedded with two groups of capacitance plate groups, and often group capacitance plate group includes the main capacitance constituting main capacitance C1 (113) Screen, the derided capacitors screen constituting derided capacitors C2 (114) and the mask capacitor screen of composition mask capacitor C3 (115), main capacitance C1 (113) and derided capacitors C2 (114) offer in series voltage signal output voltage transformer, capacitor type insulating core body (13) Two groups of interior capacitance plate groups constitute two voltage transformers.
CN201620626571.0U 2016-06-22 2016-06-22 Bushing type combined electrical apparatus Active CN205752000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620626571.0U CN205752000U (en) 2016-06-22 2016-06-22 Bushing type combined electrical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620626571.0U CN205752000U (en) 2016-06-22 2016-06-22 Bushing type combined electrical apparatus

Publications (1)

Publication Number Publication Date
CN205752000U true CN205752000U (en) 2016-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620626571.0U Active CN205752000U (en) 2016-06-22 2016-06-22 Bushing type combined electrical apparatus

Country Status (1)

Country Link
CN (1) CN205752000U (en)

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