CN206789430U - A kind of capacitor device - Google Patents
A kind of capacitor device Download PDFInfo
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- CN206789430U CN206789430U CN201720610269.0U CN201720610269U CN206789430U CN 206789430 U CN206789430 U CN 206789430U CN 201720610269 U CN201720610269 U CN 201720610269U CN 206789430 U CN206789430 U CN 206789430U
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Abstract
It the utility model is related to a kind of capacitor device, including being from top to bottom laminated the Capacitor stack formed, grading shield, the first grading ring, the second grading ring and the 3rd grading ring vertically successively by multiple first capacitor frameworks, multiple second capacitor frameworks and multiple 3rd capacitor frameworks, bridle iron is fixedly installed at the top of Capacitor stack, grading shield is covered on bridle iron;The first grading ring is set with multiple first capacitor frameworks;The second grading ring is set with multiple second capacitor frameworks;The 3rd grading ring is set with multiple 3rd capacitor frameworks;3rd capacitor framework is connected by the first support insulator with low-voltage tube mother, the female C-shaped periphery for being enclosed on the 3rd capacitor framework of low-voltage tube.The utility model is simple in construction, and floor space is small, and installation workload is small, overhauls and easy to maintenance, cost is low;The electric-field intensity of capacitor can be reduced, meets the peak demand to high-voltage capacitor device electric-field intensity at present, there is good economic benefits prospect.
Description
Technical field
Capacitor technology field is the utility model is related to, more particularly to a kind of capacitor device.
Background technology
The main waterpower resourses in China concentrate on west area, and main coal, wind-force and solar energy resources concentrate on northwest
Area, main loads center but concentrates on coastal developed regions, therefore China needs to solve long range large capacity transmission, improves me
State's energy development and utilization ratio, it is also desirable to study higher voltage grade technology of transmission of electricity.Extra-high voltage direct-current transmission is world power grid
The important development direction of technology, it is the commanding elevation of electric power network technique.Because the process of rectification and inversion be present in extra-high voltage direct-current transmission,
Substantial amounts of harmonic wave will necessarily be produced, it is necessary to install substantial amounts of wave filter, therefore extra-high voltage direct-current transmission engineering DC filter
Development it is particularly interesting.
As direct current transportation is in China's fast development, crucial skill of the extra-high voltage direct-current transmission as long range large capacity transmission
Art, it can improve the transmission capacity of system, improve the stability of system, have very big development space in high-end market.
With the fast development of technical merit, ultra-high direct-current transmission voltage more and more higher, transmission capacity are increasing, fed distance is got over
Come more remote.And outdoor extra-high voltage direct-current filter capacitor device floor space is big, tower height is high, construction cost is also higher.
First bar ± 1100kV extra-high voltage direct-current transmission engineerings the high voltage direct current filter capacitor in the world uses indoor installation under lateral thinking.Family
Interior installing space is limited, and capacitor device pylon is again of a relatively high, requires stricter to safety net distance around, to prevent capacitor
Apparatus surface produces corona and surrounding devices or building is discharged, while also to control construction cost, and then to capacitor device table
Face electric-field intensity proposes higher standard, it is desirable to which capacitor device maximum field intensity is less than 12kV/cm.In summary, capacitor
The electric-field intensity problem of apparatus surface is just than more prominent, it is necessary to further investigate.
It is limited to solve indoor depth of building, in the case that space is limited, solves the problems, such as the corona of capacitor device
(it is required that maximum field strength control is in below 12kV/cm), capacitor dress is reduced with terminal bulb diameter using conventional increase pipe is female
The method for putting electric-field intensity, the requirement less than 12kV/cm far can not be met.High voltage direct current filter capacitor will be installed on indoor
Just have to solve this technical barrier.
Utility model content
The purpose of this utility model is to provide a kind of capacitor device, and technical problem to be solved is:Using conventional increasing
Add the female method that capacitor device electric-field intensity is reduced with terminal bulb diameter of pipe, the requirement less than 12kV/cm far can not be met.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of capacitor device, including by multiple
One capacitor framework, multiple second capacitor frameworks and multiple 3rd capacitor frameworks are vertical from top to bottom successively to be laminated what is formed
Capacitor stack, grading shield, the first grading ring, the second grading ring and the 3rd grading ring, the top fixed setting of the Capacitor stack
There is bridle iron, the grading shield is covered on the bridle iron;The first grading ring is set with multiple first capacitor frameworks;It is more
The second grading ring is set with the individual second capacitor framework;It is equal that the 3rd is set with multiple 3rd capacitor frameworks
Pressure ring;The capacitor framework of bottom is female even by the first support insulator and low-voltage tube in multiple 3rd capacitor frameworks
Connect, the periphery of female C-shaped the 3rd capacitor framework for being enclosed on corresponding Capacitor stack bottom of the low-voltage tube.
The beneficial effects of the utility model are:The present apparatus is simple in construction, and no complex component, floor space is small, in-site installation
Workload is small, overhauls and easy to maintenance;Low to manufacturing technique requirent, production and processing is simple, and cost is low;
Grading shield, the first grading ring, the second grading ring, the 3rd grading ring and low-voltage tube are female to form equal laminated structure, can drop
The low electric-field intensity of capacitor, meet the peak demand to high-voltage capacitor device electric-field intensity at present, have good economical
Benefit prospect.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, grading shield institute band current potential is high-pressure side inlet wire current potential, first grading ring, the second grading ring and
3rd grading ring institute band current potential is capacitor framework current potential, and the female institute's band current potential of the low-voltage tube is low-pressure end line potential.
It is using the above-mentioned further beneficial effect of scheme:The electric-field intensity of Capacitor stack can be reduced, effectively prevents electric capacity
Device tower surface produces corona, meets have good economical to UHV Transmission Engineering power capacitor apparatus electric-field intensity at present
Benefit prospect.
Further, first grading ring, the second grading ring and the 3rd grading ring are Fang Huan, first grading ring
Outside dimensions is less than the outside dimensions of grading shield, and the outside dimensions of second grading ring is less than the outer chi of the first grading ring
Very little, the outside dimensions of the 3rd grading ring is less than the outside dimensions of the second grading ring, and the female outside dimensions of the low-voltage tube is small
In or equal to the 3rd grading ring outside dimensions.
It is using the above-mentioned further beneficial effect of scheme:Grading shield, the first grading ring, the second grading ring, the 3rd press
The structure of ring and low-voltage tube mother are simple, and no complex component, floor space is small, and on-site installation work amount is small, overhauls and easy to maintenance;
Low to manufacturing technique requirent, production and processing is simple, and cost is low.
Further, the 3rd capacitor framework at top and its next 3rd capacitor in multiple 3rd capacitor frameworks
Framework is set with the 3rd grading ring;Eight the 3rd capacitor frameworks below two the 3rd capacitor frameworks in corresponding top, often
The bottom of two the 3rd capacitor frameworks is set with the 3rd grading ring;Nine below corresponding eight the 3rd capacitor frameworks
Individual 3rd capacitor framework, the bottom of every three the 3rd capacitor frameworks are set with the 3rd grading ring.
It is using the above-mentioned further beneficial effect of scheme:Multiple 3rd grading rings can reduce the electric-field strength of Capacitor stack
Degree, effectively prevent Capacitor stack surface from producing corona, meet at present to UHV Transmission Engineering power capacitor apparatus electric-field strength
Degree, has good economic benefits prospect.
Further, each first capacitor framework, the second capacitor framework and the 3rd capacitor framework include electric capacity
Device group, supporter and multiple second support insulators, multiple second support insulators and capacitor bank are placed in the supporter
Upper end, multiple second support insulators around the capacitor bank, the supporter by multiple second support insulators with
Above it multiple supporters connection, and the first capacitor framework at the top of Capacitor stack by multiple second support insulators with
Bridle iron connects.
It is using the above-mentioned further beneficial effect of scheme:First grading ring 3, the second grading ring 4 and the 3rd grading ring 5 divide
It is not sleeved on the supporter 105 of corresponding capacitor framework, simple in construction, no complex component, floor space is small, in-site installation work
Work amount is small, overhauls and easy to maintenance.
Further, the quantity of first grading ring is 1~3, and the quantity of second grading ring is 1~5, described
3rd grading ring quantity is 1~19.
Further, the lower end of the Capacitor stack is provided with multiple 3rd support insulators, each described 3rd pillar
The bottom of insulator is provided with footing piece, and each described footing piece is fixedly connected by foundation bolt with earth's surface.
It is using the above-mentioned further beneficial effect of scheme:Simple in construction, no complex component, floor space is small, steadiness
By force;On-site installation work amount is small, overhauls and easy to maintenance.
Brief description of the drawings
Fig. 1 is a kind of front view of capacitor device of the utility model;
Fig. 2 is the front view of the utility model grading shield;
Fig. 3 is the front view of the grading ring of the utility model first;
Fig. 4 is the top view of the grading ring of the utility model first;
Fig. 5 is the front view of the grading ring of the utility model second;
Fig. 6 is the top view of the grading ring of the utility model second;
Fig. 7 is the front view of the grading ring of the utility model the 3rd;
Fig. 8 is the top view of the grading ring of the utility model the 3rd;
Fig. 9 is the female front view of the utility model low-voltage tube;
Figure 10 is the female top view of the utility model low-voltage tube.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, Capacitor stack, the 101, first capacitor framework, the 102, second capacitor framework, the 103, the 3rd capacitor framework,
104th, capacitor bank, 105, supporter, the 106, second support insulator;
2nd, grading shield, the 3, first grading ring, the 4, second grading ring, the 5, the 3rd grading ring, 6, bridle iron, the 7, first pillar is exhausted
Edge, 8, low-voltage tube it is female, the 9, the 3rd support insulator, 10, footing piece, 11, foundation bolt.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 10, a kind of capacitor device, including by multiple first capacitor frameworks 101, multiple second electricity
Container frame 102 and multiple 3rd capacitor frameworks 103 from top to bottom vertical stacking is formed successively Capacitor stack 1, grading shield
2nd, the first grading ring 3, the second grading ring 4 and the 3rd grading ring 5, the top of the Capacitor stack 1 are fixedly installed bridle iron 6,
The grading shield 2 is covered on the bridle iron 6;The first grading ring 3 is set with multiple first capacitor frameworks 101;It is multiple
The second grading ring 4 is set with the second capacitor framework 102;It is set with multiple 3rd capacitor frameworks 103
3rd grading ring 5;In multiple 3rd capacitor frameworks 103 the capacitor framework of bottom by the first support insulator 7 with
Low-voltage tube mother 8 connects, outside C-shaped the 3rd capacitor framework 103 for being enclosed on the corresponding bottom of Capacitor stack 1 of low-voltage tube mother 8
Enclose.
The present apparatus is simple in construction, and no complex component, floor space is small, and on-site installation work amount is small, overhauls and easy to maintenance;
Low to manufacturing technique requirent, production and processing is simple, and cost is low;
Grading shield 2, the first grading ring 3, the second grading ring 4, the 3rd grading ring 5 and low-voltage tube mother 8 can form equal laminated structure,
The electric-field intensity of Capacitor stack 1 can be reduced, effectively prevents the surface of Capacitor stack 1 from producing corona, is met at present to UHV transmission
Engineering power capacitor apparatus electric-field intensity, there is good economic benefits prospect.
In above-described embodiment, the institute of the grading shield 2 band current potential is high-pressure side inlet wire current potential, first grading ring 3, second
Grading ring 4 and the institute of the 3rd grading ring 5 band current potential are capacitor framework current potential, and the institute of low-voltage tube mother 8 band current potential brings out for low pressure
Line current potential.
The electric-field intensity of Capacitor stack 1 can be reduced, effectively prevents the surface of Capacitor stack 1 from producing corona, is met at present to spy
High voltage power transmission engineering power capacitor apparatus electric-field intensity, there is good economic benefits prospect.
In above-described embodiment, first grading ring 3, the second grading ring 4 and the 3rd grading ring 5 are Fang Huan, and described
The outside dimensions of one grading ring 3 is less than the outside dimensions of grading shield 2, and the outside dimensions of second grading ring 4 is equal less than first
The outside dimensions of pressure ring 3, the outside dimensions of the 3rd grading ring 5 are less than the outside dimensions of the second grading ring 4, the low-voltage tube
The outside dimensions of mother 8 is less than or equal to the outside dimensions of the 3rd grading ring 5.
First grading ring 3, the second grading ring 4 and the 3rd grading ring 5 are square structure, and edge is circular arc,
Form ring-type;The outside dimensions of first grading ring 3, the second grading ring 4 and the 3rd grading ring 5 is its edge length and width,
It is exactly that the length of the first grading ring 3 is less than the length of grading shield 2, the width of the first grading ring 3 is less than the width of grading shield 2;With
And second the length of grading ring 4 be less than the length of the first grading ring 3, the width of the second grading ring 4 is less than the first grading ring 3
Width;And the 3rd the length of grading ring 5 be less than the length of the second grading ring 4, the width of the 3rd grading ring 5 presses less than second
The width of ring 4;
Grading shield 2, the first grading ring 3, the second grading ring 4, the 3rd grading ring 5 and the structure of low-voltage tube mother 8 are simple, without multiple
Miscellaneous part, floor space is small, and on-site installation work amount is small, overhauls and easy to maintenance;It is low to manufacturing technique requirent, production and processing letter
Single, cost is low.
In above-described embodiment, in multiple 3rd capacitor frameworks 103 top the 3rd capacitor framework 103 and its under
One the 3rd capacitor framework 103 is set with the 3rd grading ring 5;The eight of the corresponding lower section of two the 3rd capacitor frameworks in top 103
Individual 3rd capacitor framework 103, the bottom of the capacitor framework 103 of each two the 3rd are set with the 3rd grading ring 5;It is corresponding
Nine the 3rd capacitor frameworks 103 of eight lower sections of the 3rd capacitor framework 103, the bottom of every three the 3rd capacitor frameworks 103
Portion is set with the 3rd grading ring 5.
Two the 3rd capacitor frameworks 103 of the top are set with the 3rd in multiple 3rd capacitor frameworks 103
Grading ring 5;
Eight the 3rd electric capacity that the lower end of two the 3rd capacitor frameworks 103 for being set with the 3rd grading ring 5 is sequentially connected
Device framework 103, four the 3rd grading rings 5 are set with eight the 3rd capacitor frameworks 103, from top to bottom second the 3rd
Capacitor framework 103, the 4th the 3rd capacitor framework 103, the 6th the 3rd capacitor framework 103, the 8th the 3rd electric capacity
Device framework 103 is set with the 3rd grading ring 5;
Nine the 3rd capacitor frameworks 103 of the corresponding lower section of eight the 3rd capacitor frameworks 103, nine the 3rd capacitors
Three the 3rd grading rings 5 are set with framework 103, the 3rd the 3rd capacitor framework 103, the 6th the 3rd electricity from top to bottom
The 3rd grading ring 5 is set with container frame 103, the 9th the 3rd capacitor framework 103.
Multiple 3rd grading rings 5 can reduce the electric-field intensity of Capacitor stack 1, effectively prevent the surface of Capacitor stack 1 from producing electricity
It is dizzy, meet at present to UHV Transmission Engineering power capacitor apparatus electric-field intensity, there is good economic benefits prospect.
In above-described embodiment, each first capacitor framework 101, the second capacitor framework 102 and the 3rd capacitor frame
Frame 103 includes capacitor bank 104, supporter 105 and multiple second support insulators 106, multiple second support insulators 106
The upper end of the supporter 105 is placed in capacitor bank 104, multiple second support insulators 106 are around the capacitor bank
104, the supporter 105 is connected by multiple second support insulators 106 with multiple supporters 105 above it, and electric capacity
The first capacitor framework 101 at the top of device tower 1 is connected by multiple second support insulators 106 with bridle iron 6.
First grading ring 3, the second grading ring 4 and the 3rd grading ring 5 are set in the supporter of corresponding capacitor framework
Simple in construction on 105, no complex component, floor space is small, and on-site installation work amount is small, overhauls and easy to maintenance.
In above-described embodiment, the quantity of first grading ring 3 is 1~3, the quantity of second grading ring 4 for 1~
5, the quantity of the 3rd grading ring 5 is 1~19.
In above-described embodiment, the lower end of the Capacitor stack 1 is provided with multiple 3rd support insulators 9, described in each
The bottom of 3rd support insulator 9 is provided with footing piece 10, and each described footing piece 10 passes through foundation bolt 11 and earth's surface
It is fixedly connected.
Simple in construction, no complex component, floor space is small, and steadiness is strong;On-site installation work amount is small, maintenance and maintenance side
Just.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (6)
- A kind of 1. capacitor device, it is characterised in that:Including by multiple first capacitor frameworks (101), multiple second capacitors Framework (102) and multiple 3rd capacitor frameworks (103) Capacitor stack (1) that from top to bottom vertical stacking is formed successively, press (2), the first grading ring (3), the second grading ring (4) and the 3rd grading ring (5) are covered, the top of the Capacitor stack (1), which is fixed, to be set Bridle iron (6) is equipped with, the grading shield (2) is covered on the bridle iron (6);Covered on multiple first capacitor frameworks (101) Equipped with the first grading ring (3);The second grading ring (4) is set with multiple second capacitor frameworks (102);It is multiple described The 3rd grading ring (5) is set with 3rd capacitor framework (103);Bottom in multiple 3rd capacitor frameworks (103) Capacitor framework is connected by the first support insulator (7) with low-voltage tube female (8), and the low-voltage tube female (8) is C-shaped to be enclosed on correspondingly The periphery of the 3rd capacitor framework (103) of Capacitor stack (1) bottom.
- A kind of 2. capacitor device according to claim 1, it is characterised in that:First grading ring (3), the second grading ring (4) and the 3rd grading ring (5) is Fang Huan, and the outside dimensions of first grading ring (3) is less than the outer chi of grading shield (2) Very little, the outside dimensions of second grading ring (4) is less than the outside dimensions of the first grading ring (3), the 3rd grading ring (5) Outside dimensions is less than the outside dimensions of the second grading ring (4), and the outside dimensions of the low-voltage tube female (8) is equal less than or equal to the 3rd The outside dimensions of pressure ring (5).
- A kind of 3. capacitor device according to claim 1, it is characterised in that:Multiple 3rd capacitor frameworks (103) The 3rd capacitor framework (103) at middle top and its next 3rd capacitor framework (103) are set with the 3rd grading ring (5); Eight the 3rd capacitor frameworks (103) below two the 3rd capacitor frameworks (103) in corresponding top, the capacitor of each two the 3rd The bottom of framework (103) is set with the 3rd grading ring (5);Nine below corresponding eight the 3rd capacitor frameworks (103) Individual 3rd capacitor framework (103), the bottom of every three the 3rd capacitor frameworks (103) are set with the 3rd grading ring (5)。
- A kind of 4. capacitor device according to claim 1, it is characterised in that:Each first capacitor framework (101), Two capacitor frameworks (102) and the 3rd capacitor framework (103) include capacitor bank (104), supporter (105) and multiple the Two support insulators (106), multiple second support insulators (106) and capacitor bank (104) are placed in the supporter (105) Upper end, for multiple second support insulators (106) around the capacitor bank (104), the supporter (105) passes through multiple the Two support insulators (106) are connected with multiple supporters (105) above it, and the first capacitor at the top of Capacitor stack (1) Framework (101) is connected by multiple second support insulators (106) with bridle iron (6).
- A kind of 5. capacitor device according to claim 1, it is characterised in that:The quantity of first grading ring (3) be 1~ 3, the quantity of second grading ring (4) is 1~5, and the 3rd grading ring (5) quantity is 1~19.
- 6. according to a kind of any one of claim 1 to 5 capacitor device, it is characterised in that:Under the Capacitor stack (1) End is provided with multiple 3rd support insulators (9), and the bottom of each the 3rd support insulator (9) is provided with footing piece (10), each described footing piece (10) is fixedly connected by foundation bolt (11) with earth's surface.
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CN201720610269.0U CN206789430U (en) | 2017-05-27 | 2017-05-27 | A kind of capacitor device |
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CN201720610269.0U CN206789430U (en) | 2017-05-27 | 2017-05-27 | A kind of capacitor device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107068394A (en) * | 2017-05-27 | 2017-08-18 | 桂林电力电容器有限责任公司 | A kind of capacitor device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107068394A (en) * | 2017-05-27 | 2017-08-18 | 桂林电力电容器有限责任公司 | A kind of capacitor device |
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