CN2662506Y - Gas insulated metal sealing switching device - Google Patents
Gas insulated metal sealing switching device Download PDFInfo
- Publication number
- CN2662506Y CN2662506Y CN 03217915 CN03217915U CN2662506Y CN 2662506 Y CN2662506 Y CN 2662506Y CN 03217915 CN03217915 CN 03217915 CN 03217915 U CN03217915 U CN 03217915U CN 2662506 Y CN2662506 Y CN 2662506Y
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- CN
- China
- Prior art keywords
- circuit breaker
- switch
- isolating
- insulated switchgear
- isolating switch
- 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.)
- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model belongs to a 50Hz three-phase current gas-insulated metal-enclosed switchgear, which is applicable to the control and protection of the 40.5kv electric transmission and transformation system. The utility model comprises a circuit breaker, an isolating switch, a ground switch and a current transformer; wherein, the three phases are in the same case filled with sulfur hexafluoride and run reliably without maintenance; more than two groups of the isolating and ground switches can be used to realize the duplicate busbar or other methods circuit layout; a voltage transformer and a lightning arrester can be arranged outside. The functional modules can be three phase interlocked, a reliable mechanical interlocking is arranged between the circuit breaker and the isolating ground switch to protect the electrical operation. The utility model has the advantages of simple and compact structure, good impression, convenient maintenance, small floor space, good performance with main equipment parameters better than the conventional power station equipment, and an ideal substitute for conventional electric transmission and transformation station electrical equipment arrangement.
Description
(1) field under:
The utility model belongs to Cubicle Gas-Insulated Switchgear.
(2) background of invention:
The power industry high speed development drives the common progress of high voltage electric equipment manufacturing simultaneously.Power industry is to being embodied in that the requirement of high voltage electric equipment is concentrated: the highly reliable operation of the high voltage of transmission of electricity, power transmission and distribution.High-tension transmission can reduce the line loss of electric energy, the ability and the distance of raising power supply; The highly reliable operation of power transmission and distribution is vast electricity consumption user's requirement, also is that power industry is increased economic efficiency and the prerequisite of work quality.This has proposed new developing direction just for the industry of the manufacturing of our electric equipment.Be not difficult to find out that according to the update of this switch industry in several years high-voltage electrical apparatus walking modularization, non-maintainingization, intellectuality, it is increasing as the market occupancy volume of: GIS, inflation cabinet, Compass (ABB) combined electrical apparatus of etc.ing to have this type of constructed products, and market prospects are had an optimistic view of.
In recent years, China's town and country construction is rapid, and is increasing to the contradiction of land resource demand and protection, it is scattered that power equipment is built at power transmission and transformation station in the past, and floor space is big, and the land resource waste is serious, power transmission and transformation station overall appearance degree is lower, and the power equipment management difficulty is big, power transmission and transformation station capacity-increasing transformation difficulty, installation period is long etc., and subsidiary control loop disperses, and is difficult to realize mechanical chain, and reliability is not high, and maintenance is big, the maintenance cost height; These factors restricting greatly the power transmission and transformation station to reliable, attractive in appearance, small and exquisite flexibly and the efficent use of resources direction develop.
(3) summary of the invention:
The utility model Cubicle Gas-Insulated Switchgear mainly is made up of unit such as circuit breaker, isolating switch, earthed switch, current transformers.It is enclosed in each functional unit in the same housing; three-phase combined type; organically combine; isolation and earthed switch can be for more than two groups; realize the double-bus layout of circuit and the layout of other scheme, mainly be applicable to control, measurement and the protection of the various main wiring mode power transmission and transformation systems of 40.5kV.The purpose of this utility model provides a kind of new gas insulated metal sealing switch equipment, more than multiple electric equipment install concentratedly in the same body that is filled with the gas shell, three-phase combined type can be realized non-maintaining.Though and voltage transformer, lightning arrester are external, the rated current of its work is little, and its individuality also belongs to full-closed structure, also can be non-maintaining.Thereby the fail safe and the reliability of power transmission and transformation stations (circuits) have been improved, changed traditional electric equipment arrangement, reduce floor space, save land resource, layout has overcome the shortcoming that the power station electric equipment is in disorder under the traditional arrangement mode, management is inconvenient, can make the power station profile more attractive in appearance, improve the whole synthesis benefit of product.
Advantage of the present utility model: a major loop of each main power transmission and transforming equipment all is encapsulated in the sulfur hexafluoride gas, is not subjected to the influence of external environment, adopts the SF6 circuit breaker: drop-out current is big, overvoltage is low, do not have dam phenomenon, stable performance; Isolation earthing switch adopts three station structures, plays and isolates and the ground connection effect, and isolation and earthed switch can be realized the double-bus layout of circuit and the layout of other schemes for more than two groups simultaneously; Simple in structure, movement parts is few, and is chain reliable; Current transformer adopts sleeve type structure, and insulation is reliable, dynamic and thermal stability parameter height, stable performance.Though and voltage transformer is external, its rated current is little, and plays an individuality and also belong to full-closed structure, also can be non-maintaining.Its performance can match in excellence or beauty with GIS to a certain extent, and contour structures is directly perceived, maintenance is simple.
The element of this product concentrates in together simultaneously, has dwindled floor space greatly, has saved land resource, has shortened the installation period at power transmission and transformation stations, can make the power station more attractive in appearance at body; Because this Cubicle Gas-Insulated Switchgear can be realized mechanical chain easily, the electrical security of power transmission and transformation station operation is strengthened greatly, improved the reliability of power system operation; The centralized arrangement of each electric equipment makes the simple and convenient of plant maintenance and equipment control change; Its important technological parameters is better than the level of traditional scattered each functional circuit equipment of type arrangement, is the ideal product that substitutes the scattered arrangement of traditional power transmission and transformation station electric equipment.
(4) description of drawings:
The front view of Fig. 1, Cubicle Gas-Insulated Switchgear.
1. voltage transformers among the figure, 2. current transformer, 3. the lead cap of current transformer, 4. left conducting rod, 5. the moved end bearing of circuit breaker, 6. the insulated tension pole of circuit breaker, 7. the pull bar of circuit breaker, 8. the transmission case shell of circuit breaker, 9. the main shaft of circuit breaker, 10. the tripping spring of circuit breaker, the connecting rod between 11. circuit breakers and the mechanism, the mechanism of 12. circuit breakers, 13. circuit breaker moved end insulator, 14. arc-extinguishing chamber of circuit breaker, the quiet end insulator of 15. circuit breakers, 16. liang of conducting rods that isolating switch connects, 17. the sleeve that two isolating switches connect, 18. the mechanism of isolation earthing switch, the drive link of 19. isolation earthing switch, 20. earthed switch fixed contacts, 21. the moving contact seat of isolation earthing switch, 22. the insulated tension pole of isolation earthing switch, 23. disc insulators, the contact knife of 24. isolation earthing switch, 25. insulator, 26. the fixed contact of isolating switch, 27. right isolation earthing switch inflation casings, 28. left isolating switch inflation casings, 29. the quiet end bearing of circuit breaker, 30. binding post, 31. circuit breakers inflation casing, 32. lightning arresters.
The end view of Fig. 2, Cubicle Gas-Insulated Switchgear.
33. reinforcements among the figure, 34. crossbeams, 35. pillars, the main shaft of 36. isolation earthing switch, the shell of 37. current transformers, 38. porcelain vases.
(5) most preferred embodiment of the present utility model: (annotate: the unit of notes is a millimeter)
Binding post (30) is installed on the porcelain vase (38), links to each other with lightning arrester (32) on being fixed on inflation casing (31), has constituted the lightning arrester part.
Be current transformer (2) between the inflation casing (31) of circuit breaker and the porcelain vase (38), current transformer adopts bushing type, be in circuit breaker into and out of line end, be enclosed within the housing that is filled with SF6 gas and secondary lead wires is caused outside the housing by insulation board, lead-in wire is drawn by the lead cap (3) of current transformer, left side conducting rod (4) links to each other with the arc control device (14) of circuit breaker, and porcelain vase (38) is realized the electric insulation of Shell of circuit breaker and a current transformer housing and a high-pressure section.
Breaker mechanism (12) is fixed on the crossbeam (34), and link to each other with the main shaft (9) of circuit breaker by connecting rod (11), pull bar (7), insulated tension pole (6) by circuit breaker reach arc-extinguishing chamber of circuit breaker (14) with energy, have constituted core component one breaker portion of this Cubicle Gas-Insulated Switchgear.
Left side isolating switch links to each other with right isolating switch by the sleeve (17) of conducting rod (16) with sealing.
The moving contact seat of isolation earthing switch (21) is fixed on the disc insulator (23), has constituted the moving contact part of isolation earthing switch, and insulator (25) supports the effect of the fixed contact (26) of isolation earthing switch.The mechanism of isolation earthing switch (18) links to each other by the contact knife (24) that drive link (19), isolation earthing switch main shaft (36) connect insulated tension pole (22) and isolation earthing switch, and constituted the moving contact part of isolation earthing switch, main shaft (36) couples together the three-phase of isolation earthing switch and realizes that three link, thereby realizes isolating and the branch of ground connection, close.
Voltage transformer (1) is fixed on the crossbeam (34), directly is connected on the porcelain vase (38) by the primary connection terminal.
The utility model is through evidence, and every technical parameter all can reach the specification requirement of conventional power transmission and transformation line, and saves floor occupying area more than one times.The utility model overall performance height, the application prospect of product is very wide.The utlity model has excellent comprehensive performances, will make positive contribution for the development of the electric utility of China.
Claims (5)
1, a kind of Cubicle Gas-Insulated Switchgear, mainly form by circuit breaker, isolating switch, earthed switch, current transformer, isolation and earthed switch can be for more than two groups simultaneously, realize the double-bus layout of circuit and the layout of other scheme, it is characterized in that circuit breaker, isolating switch, earthed switch, current transformer three-phase combined type, and be sealed in the sulphur hexafluoride, can external voltage transformer, lightning arrester, each electric equipment is provided with mechanical chain and electrical interlocks, and aggregate erection is on same crossbeam.
2, a kind of Cubicle Gas-Insulated Switchgear according to claim 1 is characterized in that circuit breaker, isolating switch, earthed switch, current transformer are enclosed in the same housing three-phase combined type structure.
3, a kind of Cubicle Gas-Insulated Switchgear according to claim 1 is characterized in that the circuit breaker horizontal arrangement, and the other end of fixed contact directly links to each other with isolating switch.
4, a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that current transformer is installed in once passing in and out in the shell under the line insulator of two ends, one end of primary connection terminal links to each other with circuit breaker, and an end links to each other with isolating switch.
5, a kind of Cubicle Gas-Insulated Switchgear according to claim 1 is characterized in that isolation earthing switch can increase to more than two groups, and is in parallel with left isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217915 CN2662506Y (en) | 2003-06-10 | 2003-06-10 | Gas insulated metal sealing switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217915 CN2662506Y (en) | 2003-06-10 | 2003-06-10 | Gas insulated metal sealing switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2662506Y true CN2662506Y (en) | 2004-12-08 |
Family
ID=34325802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03217915 Expired - Fee Related CN2662506Y (en) | 2003-06-10 | 2003-06-10 | Gas insulated metal sealing switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2662506Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199441A (en) * | 2013-04-16 | 2013-07-10 | 山东泰开高压开关有限公司 | Main transformer plug-in type switch for transformer substation |
| CN103346480A (en) * | 2013-06-28 | 2013-10-09 | 中国西电电气股份有限公司 | Composite high-voltage combined electrical apparatus |
| CN104659699A (en) * | 2013-11-20 | 2015-05-27 | 江苏精科智能电气股份有限公司 | Combined electrical appliance with novel rotary three-position switch |
| CN105846339A (en) * | 2016-06-15 | 2016-08-10 | 北京科锐博实电气设备有限公司 | Vehicle-mounted switch device of high-speed train |
| CN107240903A (en) * | 2017-05-23 | 2017-10-10 | 辽宁恒电高压开关有限公司 | Totally enclosed type neutral point gap earth protective device |
| CN108233243A (en) * | 2016-12-14 | 2018-06-29 | 施耐德电器工业公司 | Gas insulation switch cabinet |
| CN108598985A (en) * | 2018-05-18 | 2018-09-28 | 柳海珍 | A kind of sulfur hexafluoride gas insulation equipment using waterproof sealing new material |
| CN114400514A (en) * | 2021-12-31 | 2022-04-26 | 广东顺德电力设计院有限公司 | GIS power distribution unit's outlet structure and GIS transformer substation |
-
2003
- 2003-06-10 CN CN 03217915 patent/CN2662506Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199441B (en) * | 2013-04-16 | 2015-09-23 | 山东泰开高压开关有限公司 | For the main transformer plug-in type switch of transformer station |
| CN103199441A (en) * | 2013-04-16 | 2013-07-10 | 山东泰开高压开关有限公司 | Main transformer plug-in type switch for transformer substation |
| CN103346480A (en) * | 2013-06-28 | 2013-10-09 | 中国西电电气股份有限公司 | Composite high-voltage combined electrical apparatus |
| CN103346480B (en) * | 2013-06-28 | 2015-12-02 | 中国西电电气股份有限公司 | A kind of composite type high-voltage combined electrical apparatus |
| CN104659699A (en) * | 2013-11-20 | 2015-05-27 | 江苏精科智能电气股份有限公司 | Combined electrical appliance with novel rotary three-position switch |
| CN105846339A (en) * | 2016-06-15 | 2016-08-10 | 北京科锐博实电气设备有限公司 | Vehicle-mounted switch device of high-speed train |
| US10522982B2 (en) | 2016-12-14 | 2019-12-31 | Schneider Electric Industries Sas | Gas insulation switch cabinet and switch device |
| CN108233243A (en) * | 2016-12-14 | 2018-06-29 | 施耐德电器工业公司 | Gas insulation switch cabinet |
| CN107240903A (en) * | 2017-05-23 | 2017-10-10 | 辽宁恒电高压开关有限公司 | Totally enclosed type neutral point gap earth protective device |
| CN107240903B (en) * | 2017-05-23 | 2019-02-22 | 辽宁恒电高压开关有限公司 | Totally enclosed type neutral point gap earth protective device |
| CN108598985B (en) * | 2018-05-18 | 2019-03-29 | 柳海珍 | A kind of sulfur hexafluoride gas insulation equipment using waterproof and sealing material |
| CN108598985A (en) * | 2018-05-18 | 2018-09-28 | 柳海珍 | A kind of sulfur hexafluoride gas insulation equipment using waterproof sealing new material |
| CN114400514A (en) * | 2021-12-31 | 2022-04-26 | 广东顺德电力设计院有限公司 | GIS power distribution unit's outlet structure and GIS transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |