CN102891492B - Cordwood power capacitor - Google Patents
Cordwood power capacitor Download PDFInfo
- Publication number
- CN102891492B CN102891492B CN201210395995.7A CN201210395995A CN102891492B CN 102891492 B CN102891492 B CN 102891492B CN 201210395995 A CN201210395995 A CN 201210395995A CN 102891492 B CN102891492 B CN 102891492B
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- China
- Prior art keywords
- cordwood
- power capacitor
- fuse
- capacitor module
- power
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- 239000003990 capacitor Substances 0.000 title claims abstract description 74
- 239000011438 cord wood Substances 0.000 title claims abstract description 54
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009418 renovation Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a cordwood power capacitor, comprising three and more than three cordwood power capacitor modules; the cordwood power capacitor modules are connected and assembled by a bolt to form a capacitor bank; the cordwood power capacitor modules are in bolted connection with post insulators; sleeve tubes are arranged on the cordwood power capacitor modules; the sleeve tubes are wire inlet and outlet terminals of the cordwood power capacitor modules; and the cordwood power capacitor modules and the capacitor bank realize electrical connection through a bus bar. The cordwood power capacitor has the advantages of simplicity in installation and maintenance, low noise, convenience in capacity extension and renovation as well as long service life.
Description
Technical field
The invention belongs to capacitor equipment technical field, relate to a kind of Cordwood power capacitor.
Background technology
Existing aggregation type and power capacitor in bulk have following shortcoming: safeguard and reprocess more difficult, aggregation type product break down just need stop putting into operation must whole return repair in shop reason, drop into a large amount of manpower and materials and have influence on user and use; Though complete sets of products in bulk can replace damage product on the spot, because the various heating of its assembling complex joint also brings inconvenience to user; Capacity between capacitor is fixed, inconvenient user's extending capacity reformation capacity, in order to the adjustment compensated wants hyperphoric package unit sometimes; Fuse internal calorific power is large, and medium easily causes burn-in effects product useful life; The film of existing power capacitor occurs the chance that weak spot overlaps is larger, reduce the pot life of product.
Summary of the invention
The object of this invention is to provide a kind of power capacitor being used in cordwood system type 35kV in high-voltage fence and above voltage, adopt the form of shunt capacitor, installation and maintenance, maintenance are simple, and low noise, facilitates extending capacity reformation capacity, long service life.
The technical solution adopted in the present invention is, a kind of Cordwood power capacitor, comprise the Cordwood power capacitor module of more than 3 and 3, be bolted assembly between Cordwood power capacitor module and become Capacitor banks, Cordwood power capacitor module bolt is connected with post insulator, Cordwood power capacitor module is provided with sleeve pipe, sleeve pipe is the line terminal of Cordwood power capacitor module, electrical connection is realized by busbar between Cordwood power capacitor module and between Capacitor banks, whole Capacitor banks is arranged on sole plate.
Feature of the present invention is also,
4 connection holes are respectively arranged at Cordwood power capacitor module top and bottom, by being arranged on the bolt of installing hole by multiple stage Cordwood power capacitor model calling, the gold utensil that busbar is installed is equipped with on sleeve pipe and post insulator top, and busbar has clamped electrical connection by gold utensil.
The case shell of Cordwood power capacitor module is inner to be made up of fuse and the insulating oil that is full of case shell, and case shell adopts Q235-A δ 5 steel plate, Q235-A δ 12 steel plate, radiatinig corrugated plate, 35kV sleeve pipe and shaped steel is hermetically sealed is welded, and case shell is provided with ground connection.
Fuse by multiple little fuse all around S type be connected in series, each little core surface adopts trilamellar membrane coated, be connected in series by brace between two adjacent, relative little fuses, barrier liner is placed between the little fuse of tandem compound and brace, the fuse left and right sides arranges side clamping plate, arrange middle clamp plate in the middle of fuse, the two ends of fuse are provided with bracing frame, are provided with outer encapsulating outside fuse.
The invention has the beneficial effects as follows, this device by the separate unit Cordwood power capacitor module of more than three or three by string and composition of relations form, each substation capacity requires different, is connected adjust condenser capacity by certain series and parallel relation.Electrical connection can be realized by busbar between separate unit Cordwood power capacitor module and between Capacitor banks.Separate unit Cordwood power capacitor module without fuse-wires structure, reduces fuse inner heat by hermetically sealed product; Large element is utilized to reduce the probability of element quality dispersion and the randomness of operation; Internal element is not with iron-clad, more than the clamping plate of side, middle clamp plate adopts waveform 10mm corrugated sheet made of paper, play insulation, logical oil, heat radiation, adopt trilamellar membrane coated on the surface of little fuse, trilamellar membrane structure reduces on film and occurs the chance that weak spot overlaps, and namely film likely has skewness defect, and the structure that trilamellar membrane superposes can stagger film local weak point, thus reduce the chance of weak spot coincidence, extend the product pot life.Module block type stacked configuration, without the need to pylon and a large amount of assembly work.Reliable, on-the-spot Fast Installation can be realized, also can realize dilatation according to the capacity requirement of compensation arrangement easily, convenience and high-efficiency.Cordwood power capacitor is used for the reactive power of compensates electric system, improves the power-factor of load, reduces the idle conveying of circuit, improves the conveying capacity of electrical network, reduces power loss, reduces electric energy loss and improves quality of voltage and improve utilization rate of equipment and installations.Response Guo Wang company economizes on resources, and greening industrial environment is called, and adapts to modern power network intelligent requirements.Improve power factor of electric network, improve supply power voltage quality, the harmonic wave that minimizing line loss and filtering are harmful to electrical network, solve and avoid maintenance and the rework issues of aggregation type and bulk products.It not only can realize on-the-spot Fast Installation, also can realize on-the-spot dilatation according to the capacity requirement of compensation arrangement easily, to reach the object of convenience and high-efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of Cordwood power capacitor group of the present invention.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is the structural representation of Cordwood power capacitor module in the present invention.
Fig. 4 is the structural representation of fuse in the present invention.
In figure, 1. Cordwood power capacitor module, 2. post insulator, 3. busbar, 4. sole plate, 5. fuse, 6. case shell, 7. ground connection, 8. sleeve pipe, 9. little fuse, 11. outer encapsulatings, 12. side clamping plate, 13. braces, 14. barrier liners, 15. middle clamp plates, 16. bracing frames.
Embodiment
The structure of Cordwood power capacitor of the present invention as Figure 1-Figure 4, comprise the Cordwood power capacitor module 1 of more than 3 and 3, be bolted assembly between multiple Cordwood power capacitor module 1 and become Capacitor banks, Cordwood power capacitor module 1 is with bolts with post insulator 2, Cordwood power capacitor module 1 is provided with sleeve pipe 8, between Cordwood power capacitor module 1 and between Capacitor banks, realizes electrical connection by busbar 3.Whole Capacitor banks is located on sole plate 4, can realize on-the-spot Fast Installation, conveniently realizes on-the-spot dilatation according to the capacity requirement of compensation arrangement.Specifically, each Cordwood power capacitor module 1 top and bottom respectively has 4 connection holes, requires that multiple stage Cordwood power capacitor module 1 can be carried out stacking bolt connects according to total capacity.On the installing hole of top layer, Cordwood power capacitor module 1 is same with post insulator 2 with bolts.The gold utensil that busbar is installed is equipped with on sleeve pipe 8 and post insulator 2 top, and busbar 3 has clamped electrical connection by gold utensil.
The structure of separate unit Cordwood power capacitor module of the present invention as shown in Figure 3, the case shell 6 of Cordwood power capacitor module 1 is inner, be made up of fuse 5 and the insulating oil that is full of case shell 6, case shell 6 adopts Q235-A δ 5 steel plate, Q235-A δ 12 steel plate, radiatinig corrugated plate, 35kV sleeve pipe and shaped steel is hermetically sealed is welded.Structure is tightly firmly preesed, is the unique frame mode of current capacitor product.Case shell 6 is provided with ground connection 7, ground connection 7 belongs to product and lands earthy bolt, is directly connected by copper bar with earth mat after product installation in position.Sleeve pipe 8 is line terminals of Cordwood power capacitor module 1, is directly connected with electrical network by busbar 3.
The structure of the fuse in the present invention, as shown in Figure 4, fuse 5 by multiple little fuse 9 all around S type be connected in series, each little fuse 9 surface adopts trilamellar membrane coated, adjacent, be connected in series by brace 13 between two relative little fuses 9, barrier liner 14 is placed between the little fuse 9 of tandem compound and brace 13 and plays reinforced insulation, fuse 5 left and right sides arranges side clamping plate 12, in the middle of fuse 5, middle clamp plate 15 is set, side clamping plate 12 and middle clamp plate 15 also play the heat radiation of reserved oil clearance except improving insulation level, it is on a left side of such as Fig. 4, insert respectively after the little fuse of right two row loads, side clamping plate 12 insert both sides, middle clamp plate 15 inserts centre.Brace 13 to be connected by technical requirement with the soldering of little fuse 9 and use barrier liner 14 to carry out and insulate after fixing all little fuses 9 and isolate.The two ends of fuse 5 are provided with bracing frame 16, and the outside of fuse 5 is provided with outer encapsulating 11 encapsulating insulating effect, and outer encapsulating 11 is arranged in case shell 6.Global design without fuse-wires structure, reduces fuse inner heat by hermetically sealed product; Large element is utilized to reduce the probability of element quality dispersion and the randomness of operation; Internal element is not with iron-clad, adopts corrugated sheet between insulation, is beneficial to heat and distributes; Adopt three membrane structures to reduce on film to occur the chance that weak spot overlaps extending the product pot life.
When dilatation increases or product is exchanged in maintenance, first the dismantle busbar 3 and accessory that are associated, remove the connecting bolt that connection hole is upper and lower.Again the Cordwood power capacitor module 1 above the product needing to change is sling, carry out changing or increasing.Finally all capacitor module bolts connection stacked is put in place, and other fittings is in place and can resumes operation.Remove and install work with there being the Capacitor banks of pylon unlike there being pylon product will carry out complicated pylon, and cordwood system type product can realize on-the-spot Fast Installation, shortens the time to client's influence on system operation, improves capacitor operational percentage.
Claims (2)
1. a Cordwood power capacitor, it is characterized in that, comprise the Cordwood power capacitor module (1) of more than 3 and 3, be bolted assembly between Cordwood power capacitor module (1) and become Capacitor banks, described Cordwood power capacitor module (1) bolt is connected with post insulator (2), described Cordwood power capacitor module (1) is provided with sleeve pipe (8), described sleeve pipe (8) is the line terminal of described Cordwood power capacitor module (1), electrical connection is realized by busbar (3) between described Cordwood power capacitor module (1) and between Capacitor banks, whole Capacitor banks is arranged on sole plate (4), the case shell (6) of described Cordwood power capacitor module (1) is inner to be made up of fuse (5) and the insulating oil that is full of case shell (6), described fuse (5) by multiple little fuse (9) all around S type be connected in series, each little fuse (9) surface adopts trilamellar membrane coated, adjacent, be connected in series by brace (13) between two relative little fuses (9), barrier liner (14) is placed between the little fuse (9) of tandem compound and brace (13), described fuse (5) left and right sides arranges side clamping plate (12), in the middle of described fuse (5), middle clamp plate (15) is set, the two ends of described fuse (5) are provided with bracing frame (16), described fuse (5) outside is provided with outer encapsulating (11), described case shell (6) adopts Q235-A δ 5 steel plate, Q235-A δ 12 steel plate, radiatinig corrugated plate, 35kV sleeve pipe and shaped steel is hermetically sealed is welded, described case shell (6) is provided with ground connection (7).
2. a kind of Cordwood power capacitor according to claim 1, it is characterized in that, described Cordwood power capacitor module (1) top and bottom respectively has 4 connection holes, by the bolt being arranged on installing hole, multiple stage Cordwood power capacitor module (1) is connected, the gold utensil that busbar is installed is equipped with on described sleeve pipe (8) and post insulator (2) top, and busbar (3) has clamped electrical connection by gold utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395995.7A CN102891492B (en) | 2012-10-17 | 2012-10-17 | Cordwood power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395995.7A CN102891492B (en) | 2012-10-17 | 2012-10-17 | Cordwood power capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102891492A CN102891492A (en) | 2013-01-23 |
| CN102891492B true CN102891492B (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210395995.7A Active CN102891492B (en) | 2012-10-17 | 2012-10-17 | Cordwood power capacitor |
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| Country | Link |
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| CN (1) | CN102891492B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441513A (en) * | 2013-08-14 | 2013-12-11 | 合容电气股份有限公司 | Assembling high-voltage high-capacity power capacitor |
| CN104134537B (en) * | 2014-07-29 | 2017-06-16 | 合容电气股份有限公司 | Integrated form electric power power capacitor reactive compensation installation |
| CN111509733B (en) * | 2020-04-28 | 2021-09-17 | 安徽航睿电子科技有限公司 | Modularized capacitance capacity expansion system |
| CN113162020B (en) * | 2021-04-20 | 2022-10-18 | 核工业西南物理研究院 | Current equalizing circuit structure with a large number of capacitors connected in parallel and power supply of ball-and-socket device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694960B (en) * | 2009-10-10 | 2011-10-05 | 桂林电力电容器有限责任公司 | High-voltage direct-current polar PLC capacitor |
| CN202258815U (en) * | 2011-09-22 | 2012-05-30 | 上海思源电力电容器有限公司 | Capacitor tower with novel structure |
| CN102610389A (en) * | 2011-12-20 | 2012-07-25 | 日新电机（无锡）有限公司 | Integrated capacitor bank with insulation support |
| CN202957604U (en) * | 2012-10-17 | 2013-05-29 | 陕西合容电气电容器有限公司 | Cordwood power capacitor |
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- 2012-10-17 CN CN201210395995.7A patent/CN102891492B/en active Active
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| CN102891492A (en) | 2013-01-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 710200 Shaanxi city of Xi'an Province Economic and Technological Development Zone Jingwei Industrial Park Road No. 9 Applicant after: HERONG ELECTRIC Co.,Ltd. Address before: 710200 Shaanxi city of Xi'an Province Economic and Technological Development Zone Jingwei Industrial Park Road No. 9 Applicant before: Shaanxi Herong Electric Capacitor Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHAANXI HERONG ELECTRIC CAPACITOR CO., LTD. TO: HERONG ELECTRIC CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A building block power capacitor Effective date of registration: 20220128 Granted publication date: 20150218 Pledgee: Ankang city credit financing Company limited by guarantee Pledgor: HERONG ELECTRIC Co.,Ltd. Registration number: Y2022610000011 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230307 Granted publication date: 20150218 Pledgee: Ankang city credit financing Company limited by guarantee Pledgor: HERONG ELECTRIC Co.,Ltd. Registration number: Y2022610000011 |