CN203278145U - Commutation device for DC excitation enclosed busbar - Google Patents
Commutation device for DC excitation enclosed busbar Download PDFInfo
- Publication number
- CN203278145U CN203278145U CN2013203165280U CN201320316528U CN203278145U CN 203278145 U CN203278145 U CN 203278145U CN 2013203165280 U CN2013203165280 U CN 2013203165280U CN 201320316528 U CN201320316528 U CN 201320316528U CN 203278145 U CN203278145 U CN 203278145U
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- commutation
- conductor
- connecting plate
- housing
- cover
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Abstract
The utility model belongs to equipment in a power plant in the power industry and particularly relates to a commutation device for a DC excitation enclosed busbar, wherein the two ends of a shell (19) are connected with an expansion joint (1) and a bus bar segment (5) through a connecting plate (4) and a flange sealing pad (6). A tank cover (2) is arranged at the upper part of the shell (19) through a tank cover assembly (3). The lower part of the shell (12) is provided with a commutation cover (9) through a bolt (13), a nut (12), a flat pad (11) and an elastic pad (10). The outer surface of the commutation cover (9) is provided with a commutation cover sealing gasket (7). Within the commutation cover (9), a commutation vertical connecting plate (8) is arranged in the shell (19). Three sets of insulator assemblies (14) are arranged below the commutation vertical connecting plate (8). A conductor 1 (18) and a conductor 2 (15) are arranged between every two adjacent sets of insulator assemblies (14) respectively. An upper commutation connecting plate (17) and a lower commutation connecting plate (16) are arranged in a parallel manner or in a crossed manner between the conductor 1 (18) and the conductor 2 (15). The commutation device for the DC excitation enclosed busbar has the advantages of simple structure, convenient operation, and reliable performance.
Description
Technical field
The utility model belongs to power industry power plant equipment, particularly a kind of DC excitation enclosed busbar commutation device.
Background technology
DC excitation enclosed busbar commutation device is the key equipment of generator excitation system, and it is arranged between generator exciter slip ring and excitation screen, and direct current is transferred to exciter from the excitation screen.Due to galvanic characteristic; make carbon brush on the generator exciter slip ring cause uneven wearing and tearing, the part carbon brush abrasion will all be changed after to a certain extent, and generator is often shut down; and make generator slide ring carbon brush short useful life, cause trouble and loss to production.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of simple in structure, easy to use, the DC excitation enclosed busbar commutation device of dependable performance.
the technical scheme that the utility model technical solution problem adopts is: DC excitation enclosed busbar commutation device comprises bus section, busbar section, expansion joint, housing, case lid, the case lid assembling, the two ends that are characterized in housing are connected expansion joint and bus section, busbar section with flange gasket by connecting plate, assemble by case lid above housing case lid is housed, use bolt below housing, nut, plain cushion and cushion are equipped with the commutation lid, at the outside of commutation lid dress commutation sealing cushion for cover, the vertical connecting plate of dress commutation in housing in the commutation lid, establish three groups of insulator assemblings below the vertical connecting plate of commutation, establish conductor one in the middle of every two groups of insulators assembling, conductor two, between conductor one and conductor two, use bolt, nut, plain cushion is fixedly connected with upper Commutating connect plate and lower Commutating connect plate with cushion, upper Commutating connect plate becomes parallel with lower Commutating connect plate or cross modal is installed.
The beneficial effects of the utility model are: DC excitation enclosed busbar commutation device can make the generator slide ring carbon brush even wearing; extend its useful life more than one times, reduce the loss that a lot of troubles and generator outage bring, this commutation device is simple in structure; easy to use, dependable performance.
Description of drawings
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is DC excitation enclosed busbar commutation device structure chart.
Fig. 2 is that the P of Fig. 1 is to view.
In figure, the 1-expansion joint; The 2-case lid; The assembling of 3-case lid; The 4-connecting plate; The 5-bus section, busbar section; The 6-flange gasket; 7-commutation sealing cushion for cover; The vertical connecting plate of 8-commutation; The 9-lid that commutates; The 10-cushion; The 11-plain cushion; The 12-nut; The 13-bolt; The assembling of 14-insulator; 15-conductor two; Commutating connect plate under 16-; The upper Commutating connect plate of 17-; 18-conductor one; The 19-housing.
Embodiment
Embodiment, with reference to accompanying drawing 1,2, DC excitation enclosed busbar commutation device is to connect expansion joint 1 at the blue sealing gasket 6 of the termination, left side of housing 19 usage, uses flange gasket 6 connection bus sections 5 on the right-hand member head of housing 19.Connect three case lids 2 with case lid assembling 3 above housing 19, fill a commutation lid 9 with bolt 13, nut 12, plain cushion 11 and cushion 10 below housing 19, at the exterior commutation sealing cushion for cover 7 in both sides of commutation lid 9.The vertical connecting plate 8 of dress commutation in housing 19 in commutation lid 9, establish three groups of insulator assemblings 14 below the vertical connecting plate 8 of commutation, dress conductor 1 and conductor 2 15 in the middle of every two groups of insulators assembling 14, be fixedly connected with Commutating connect plate 17 and lower Commutating connect plate 16 with bolt 13, nut 12, plain cushion 11 and cushion 10 between conductor 1 and conductor 2 15,16 one-tenth parallel or cross modal installations of upper Commutating connect plate 17 and lower Commutating connect plate.
The operation principle of DC excitation enclosed busbar commutation device is: the upper Commutating connect plate 17 of this device and parallel form and the cross modal structure of lower Commutating connect plate 16; carrying out commutation in the maintenance process in every year installs; can avoid the carbon brush on the generator exciter slip ring to cause uneven wearing and tearing; generator slide ring carbon brush is extended useful life, avoid shutdown loss.
Claims (1)
1. DC excitation enclosed busbar commutation device, comprise bus section, busbar section (5), expansion joint (1), housing (19), case lid (2), case lid assembling (3), the two ends that it is characterized in that housing (19) are connected 6 by connecting plate (4) with flange gasket) connection expansion joint (1) and bus section, busbar section (5), assemble (3) in the top of housing (19) by case lid case lid (2) is housed, at the below of housing (19) bolt (13), nut (12), plain cushion (11) and cushion (10) are equipped with commutation lid (9), at the outside of commutation lid (9) dress commutation sealing cushion for cover (7), the vertical connecting plate (8) of dress commutation in housing (19) in commutation lid (9), three groups of insulator assemblings (14) are established in below at the vertical connecting plate (8) of commutation, establish conductor one (18) in the middle of every two groups of insulators assemblings (14), conductor two (15), between conductor one (18) and conductor two (15), with bolt (13), nut (12), plain cushion (11) is fixedly connected with upper Commutating connect plate (17) and lower Commutating connect plate (16) with cushion (10), upper Commutating connect plate (17) becomes parallel with lower Commutating connect plate (16) or cross modal is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203165280U CN203278145U (en) | 2013-06-04 | 2013-06-04 | Commutation device for DC excitation enclosed busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203165280U CN203278145U (en) | 2013-06-04 | 2013-06-04 | Commutation device for DC excitation enclosed busbar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278145U true CN203278145U (en) | 2013-11-06 |
Family
ID=49508473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203165280U Expired - Fee Related CN203278145U (en) | 2013-06-04 | 2013-06-04 | Commutation device for DC excitation enclosed busbar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278145U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560401A (en) * | 2013-11-11 | 2014-02-05 | 国家电网公司 | Phase change method of insulating tube buses |
| CN111029913A (en) * | 2019-11-19 | 2020-04-17 | 广东电网有限责任公司 | Busbar cross structure of direct current circuit breaker |
| CN112636190A (en) * | 2019-10-08 | 2021-04-09 | 河南森源电气股份有限公司 | Bus bridge and bus phase modulation method |
-
2013
- 2013-06-04 CN CN2013203165280U patent/CN203278145U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560401A (en) * | 2013-11-11 | 2014-02-05 | 国家电网公司 | Phase change method of insulating tube buses |
| CN112636190A (en) * | 2019-10-08 | 2021-04-09 | 河南森源电气股份有限公司 | Bus bridge and bus phase modulation method |
| CN112636190B (en) * | 2019-10-08 | 2022-06-21 | 河南森源电气股份有限公司 | Bus bridge and bus phase modulation method |
| CN111029913A (en) * | 2019-11-19 | 2020-04-17 | 广东电网有限责任公司 | Busbar cross structure of direct current circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |