CN204731358U - A kind of 800MW hydrogenerator three-phase sudden short circuit test device - Google Patents
A kind of 800MW hydrogenerator three-phase sudden short circuit test device Download PDFInfo
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- CN204731358U CN204731358U CN201520519538.3U CN201520519538U CN204731358U CN 204731358 U CN204731358 U CN 204731358U CN 201520519538 U CN201520519538 U CN 201520519538U CN 204731358 U CN204731358 U CN 204731358U
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- copper bar
- phase current
- circulation device
- current circulation
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Abstract
The utility model discloses a kind of 800MW hydrogenerator three-phase sudden short circuit test device, it comprises breaker connecting terminal, breaker connecting terminal is connected with A phase current circulation device, B phase current circulation device and C phase current circulation device, A, B, C three-phase current circulation device is finally all connected with special shunt, special shunt is connected with three-phase shortcircuit copper bar, three enclosed busbar shells are arranged on three-phase current circulation device bottom, enclosed busbar shell upper is provided with two horizontal fixed supports, between two horizontal fixed supports, alternate support is installed, horizontal fixed support is connected with vertical fixed support, being provided with horizontal fixed support at enclosed busbar outer casing underpart supports fixing.This test unit can meet the testing requirements of large-sized water turbine generator, and sample manipulation process is simple, safe and reliable, greatly can improve test efficiency.
Description
Technical field
The utility model relates to short-circuit test device technique field, particularly relates to a kind of 800MW hydrogenerator three-phase sudden short circuit test device.
Background technology
Hydrogenerator three-phase sudden short circuit test is an important tests of test before generator operation, does not have the test unit of special complete at present.The method that site test adopts is assembled each parts according to field condition, and critical piece has test stube cable, three-phase shortcircuit conductor and measuring sensor.The fixing inconvenience of the deficiencies in the prior art mainly contain (1) cable, conductor and measuring sensor, fixed degree can only by rule of thumb, and carry out short circuit when 50%Un and test suddenly, short-circuit current can reach 3 ~ 5 times of rated current.Therefore, have very large electric power in process of the test, if fixing not firm meeting damage equipment, very large economic loss can be brought.(2) test cable needs according to field condition customization, and different types, can not be general, substituting difference.(3) Assembling efficiency is low, expends time in longer, and general dismounting needs 2 day time.Therefore design a kind of three-phase sudden short circuit test device, can increase work efficiency and ensure construction safety.
Utility model content
The utility model object is to provide a kind of 800MW hydrogenerator three-phase sudden short circuit test device, and this test unit can meet the testing requirements of large-sized water turbine generator, and sample manipulation process is simple, safe and reliable, greatly can improve test efficiency.
In order to realize above-mentioned technical characteristic, the purpose of this utility model is achieved in that a kind of 800MW hydrogenerator three-phase sudden short circuit test device, it comprises breaker connecting terminal, breaker connecting terminal is connected with A phase current circulation device, B phase current circulation device and C phase current circulation device, A, B, C three-phase current circulation device is finally all connected with special shunt, special shunt is connected with three-phase shortcircuit copper bar, three enclosed busbar shells are arranged on three-phase current circulation device bottom, enclosed busbar shell upper is provided with two horizontal fixed supports, between two horizontal fixed supports, alternate support is installed, horizontal fixed support is connected with vertical fixed support, being provided with horizontal fixed support at enclosed busbar outer casing underpart supports fixing.
Described A phase current circulation device comprises a L-type copper bar, a L-type copper bar is connected with breaker connecting terminal, No. two L-type copper bars are fixedly connected with by bolt is adjustable with a L-type copper bar, a rectangular copper bar is connected by adjustable bolt is vertical with No. two L-type copper bars, No. two rectangular copper bar are connected by adjustable bolt is vertical with a rectangular copper bar, and special shunt is connected with No. two rectangular copper bar.
Described B phase current circulation device is identical with A phase current circulation device with the connected mode of C phase current circulation device.
The position that a described L-type copper bar and No. two L-type copper bars match is processed with multiple threaded hole, is convenient to the adjustment of upright position in installation process.
The position that described No. two rectangular copper bar match with a rectangular copper bar is processed with multiple threaded hole, is convenient to the adjustment of length of fit in installation process.
The utility model has following beneficial effect:
A phase current circulation device, B phase current circulation device and C phase current circulation device are carried out assembly and connection, after having connected, above-mentioned three-phase current circulation device is connected with three-phase shortcircuit copper bar, thus complete whole flow cycle wiring task, then in through-flow copper bar bottom, enclosed busbar shell upper installs horizontal fixed support 8, load alternate support 10, then on through-flow copper bar top, horizontal fixed support 8 is installed again, connect vertical fixed support 9, finally horizontal fixed support 8 is installed, with above-mentioned principle during dismounting at enclosed busbar outer casing underpart.Utilize generator breaker GCB, generator electric braking switch GEBS carries out short-circuit test as three-phase sudden short circuit test switch.Meanwhile, by selecting the position of fixing threaded hole can adjust in X, Y, Z-direction, the short-circuit test of different capabilities unit is applicable to.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is left view of the present utility model.
In figure: a L-type copper bar 1, No. two L-type copper bars 2, rectangular copper bar 3, No. two rectangular copper bar 4, No. three rectangular copper bar 5, three-phase shortcircuit copper bar 6, special shunt 7, horizontal fixed support 8, vertical fixed support 9, alternate support 10, breaker connecting terminal 11, enclosed busbar shell 12.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As Figure 1-3, a kind of 800MW hydrogenerator three-phase sudden short circuit test device, it comprises breaker connecting terminal 11, breaker connecting terminal 11 is connected with A phase current circulation device, B phase current circulation device and C phase current circulation device, A, B, C three-phase current circulation device is finally all connected with special shunt 7, special shunt 7 is connected with three-phase shortcircuit copper bar 6, three enclosed busbar shells 12 are arranged on three-phase current circulation device bottom, enclosed busbar shell 12 top is provided with two horizontal fixed supports 8, between two horizontal fixed supports 8, alternate support 10 is installed, horizontal fixed support 8 is connected with vertical fixed support 9, being provided with horizontal fixed support 8 in enclosed busbar shell 12 bottom supports fixing.
Further, described A phase current circulation device comprises a L-type copper bar 1, a L-type copper bar 1 is connected with breaker connecting terminal 11, No. two L-type copper bars 2 are fixedly connected with by bolt is adjustable with a L-type copper bar 1, a rectangular copper bar 3 is connected by adjustable bolt is vertical with No. two L-type copper bars 2, No. two rectangular copper bar 4 are connected by adjustable bolt is vertical with a rectangular copper bar 3, and special shunt 7 is connected with No. two rectangular copper bar 4.
Further, described B phase current circulation device is identical with A phase current circulation device with the connected mode of C phase current circulation device.
Further, the position that a described L-type copper bar 1 and No. two L-type copper bars 2 match is processed with multiple threaded hole, is convenient to the adjustment of upright position in installation process.
Further, the position that described No. two rectangular copper bar 4 match with a rectangular copper bar 3 is processed with multiple threaded hole, is convenient to the adjustment of length of fit in installation process.
Concrete installation of the present utility model and the course of work are:
1, A phase current circulation device is installed.First by a L-type copper bar 1, a L-type copper bar 1 is connected with breaker connecting terminal 11, No. two L-type copper bars 2 are fixedly connected with by bolt is adjustable with a L-type copper bar 1, installation length can be adjusted in vertical direction by selecting the position of two copper bar fixing threaded holes, a rectangular copper bar 3 is connected by adjustable bolt is vertical with No. two L-type copper bars 2, the position of same selection two copper bar fixing threaded hole can adjust diametrically, No. two rectangular copper bar 4 are connected by adjustable bolt is vertical with a rectangular copper bar 3, the position of same selection two copper bar fixing threaded hole can adjust in the axial direction, special shunt 7 is connected with No. two rectangular copper bar 4.
2, B phase current circulation device is installed.Adopt the installation method identical with A phase current circulation device, No. two rectangular copper bar 4 and a rectangular copper bar 3 No. three rectangular copper bar 5 of B phase current circulation device substitute.
3, C phase current circulation device is installed.Adopt the installation method identical with A phase current circulation device.
4, after the installation of A, B, C three-phase current circulation device, three-phase shortcircuit copper bar 6 is installed again, so far through-flow circuit connection is complete, then in through-flow copper bar bottom, enclosed busbar shell upper installs horizontal fixed support 8, loads alternate support 10, then on through-flow copper bar top, horizontal fixed support 8 is installed again, connect vertical fixed support 9, finally horizontal fixed support 8 is installed, with above-mentioned principle during dismounting at enclosed busbar outer casing underpart.
Advantage of the present utility model:
1, scene can rapid-assembling, greatly increases work efficiency.
2, test unit is fixed, safe and reliable.
Above-described embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (3)
1. a 800MW hydrogenerator three-phase sudden short circuit test device, it comprises breaker connecting terminal (11), it is characterized in that: on breaker connecting terminal (11), be connected with A phase current circulation device, B phase current circulation device and C phase current circulation device, A, B, C three-phase current circulation device is finally all connected with special shunt (7), special shunt (7) is connected with three-phase shortcircuit copper bar (6), three enclosed busbar shells (12) are arranged on three-phase current circulation device bottom, enclosed busbar shell (12) top is provided with two horizontal fixed supports (8), alternate support (10) is installed between two horizontal fixed supports (8), horizontal fixed support (8) is connected with vertical fixed support (9), being provided with horizontal fixed support (8) in enclosed busbar shell (12) bottom supports fixing,
Described A phase current circulation device comprises a L-type copper bar (1), a L-type copper bar (1) is connected with breaker connecting terminal (11), No. two L-type copper bars (2) are fixedly connected with by bolt is adjustable with a L-type copper bar (1), a rectangular copper bar (3) is connected by adjustable bolt is vertical with No. two L-type copper bars (2), No. two rectangular copper bar (4) are connected by adjustable bolt is vertical with a rectangular copper bar (3), and special shunt (7) is connected with No. two rectangular copper bar (4);
Described B phase current circulation device is identical with A phase current circulation device with the connected mode of C phase current circulation device.
2. a kind of 800MW hydrogenerator three-phase sudden short circuit test device according to claim 1, it is characterized in that: the position that a described L-type copper bar (1) and No. two L-type copper bars (2) are matched is processed with multiple threaded hole, is convenient to the adjustment of upright position in installation process.
3. a kind of 800MW hydrogenerator three-phase sudden short circuit test device according to claim 1, it is characterized in that: the position that described No. two rectangular copper bar (4) are matched with a rectangular copper bar (3) is processed with multiple threaded hole, is convenient to the adjustment of length of fit in installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519538.3U CN204731358U (en) | 2015-07-17 | 2015-07-17 | A kind of 800MW hydrogenerator three-phase sudden short circuit test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520519538.3U CN204731358U (en) | 2015-07-17 | 2015-07-17 | A kind of 800MW hydrogenerator three-phase sudden short circuit test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731358U true CN204731358U (en) | 2015-10-28 |
Family
ID=54389696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520519538.3U Expired - Fee Related CN204731358U (en) | 2015-07-17 | 2015-07-17 | A kind of 800MW hydrogenerator three-phase sudden short circuit test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866614A (en) * | 2016-06-06 | 2016-08-17 | 哈尔滨电机厂有限责任公司 | Device for detecting three-phase sudden shorting of turbine generator |
-
2015
- 2015-07-17 CN CN201520519538.3U patent/CN204731358U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866614A (en) * | 2016-06-06 | 2016-08-17 | 哈尔滨电机厂有限责任公司 | Device for detecting three-phase sudden shorting of turbine generator |
| CN105866614B (en) * | 2016-06-06 | 2018-06-01 | 哈尔滨电机厂有限责任公司 | Steam turbine generator three-phase suddenly-applied short circuit detection device |
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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: 20151028 Termination date: 20210717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |