CN213986698U - Generator voltage-resistant gap insulation reinforcing cover - Google Patents
Generator voltage-resistant gap insulation reinforcing cover Download PDFInfo
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- CN213986698U CN213986698U CN202022582358.3U CN202022582358U CN213986698U CN 213986698 U CN213986698 U CN 213986698U CN 202022582358 U CN202022582358 U CN 202022582358U CN 213986698 U CN213986698 U CN 213986698U
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- copper bar
- conductor copper
- cover
- insulation
- pressurizing
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Abstract
The utility model provides a cover is strengthened in generator withstand voltage clearance insulation, it is including waiting to carry out withstand voltage test's first pressurization conductor copper bar, second pressurization conductor copper bar and third pressurization conductor copper bar, the outside cover of first pressurization conductor copper bar is equipped with first insulation and strengthens the cover, the outside cover of second pressurization conductor copper bar is equipped with the second insulation and strengthens the cover, the outside cover of third pressurization conductor copper bar is equipped with the third insulation and strengthens the cover. The reinforcing cover improves the electric field distribution of the pressure-resistant clearance, ensures the smooth proceeding of the pressure-resistant test and improves the safety and the working efficiency of the on-site high-voltage test.
Description
Technical Field
The utility model relates to a generator spare part device field especially relates to a cover is strengthened in withstand voltage clearance insulation of generator.
Background
The withstand voltage test of the generator stator winding is an important means for checking and judging the insulation condition of the generator and ensuring the safe and stable operation of the unit. According to the regulations of preventive test of power equipment (DL/T596-. Due to differences of the installation processes of the units, after neutral points of the generators of some units are disconnected, the metal copper bars are too close to the current transformers, so that the withstand voltage clearance in the test is too small, and the earth discharge is easy to occur during the withstand voltage test. Therefore, when insulation reinforcement measures are required to be adopted in the voltage-withstanding gap, an insulating glove, an insulating shoe or insulating paper and the like are sleeved on the voltage-withstanding conductor in a common method so as to improve electric field distribution and ensure that a voltage-withstanding test is carried out smoothly.
Adopt above-mentioned technical scheme its shortcoming that exists to lie in: due to the fact that the size of the voltage-resistant gap of the generator stator winding of the unit is not consistent, and the matching performance of the insulating gloves or the insulating shoes and the pressurizing conductors is poor, the use is inconvenient, and the pressurizing conductors can discharge to accessory equipment even if the insulating gloves or the insulating shoes are used.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a cover is strengthened to generator withstand voltage clearance insulation, this is strengthened the cover and has improved withstand voltage clearance's electric field distribution, guarantees going on smoothly of withstand voltage test, has promoted on-the-spot high-voltage test's security and work efficiency.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the utility model provides a cover is strengthened in generator withstand voltage clearance insulation, it includes first pressurization conductor copper bar, second pressurization conductor copper bar and the third pressurization conductor copper bar of waiting to carry out withstand voltage test, the outside cover of first pressurization conductor copper bar is equipped with first insulation and strengthens the cover, the outside cover of second pressurization conductor copper bar is equipped with the second insulation and strengthens the cover, the outside cover of third pressurization conductor copper bar is equipped with the third insulation and strengthens the cover.
The first pressurizing conductor copper bar, the second pressurizing conductor copper bar and the third pressurizing conductor copper bar are fixed on the outer side wall of the mainboard, and a generator collector ring is fixed on the back of the mainboard.
The first insulation reinforcing cover, the second insulation reinforcing cover and the third insulation reinforcing cover all adopt the same structure, a cavity is processed in the insulation reinforcing cover, and a first through hole and a second through hole which are symmetrically arranged are processed on two sides of the insulation reinforcing cover.
The first pressurizing conductor copper bar, the second pressurizing conductor copper bar and the third pressurizing conductor copper bar are all made of epoxy resin materials.
Round holes are uniformly formed in the first pressurizing conductor copper bar, the second pressurizing conductor copper bar and the third pressurizing conductor copper bar respectively.
The utility model discloses there is following beneficial effect:
1. the utility model discloses a matching nature is good, according to the field device size preparation, installation convenient to use.
2. The utility model discloses the security is high, installs behind the insulating enhancement cover, has improved withstand voltage clearance's electric field distribution, has improved the security of test work and test equipment's security.
3. The utility model discloses a work efficiency is high, and the withstand voltage test is gone on evening usually, because the convenience of cover installation is strengthened to the insulation, has shortened that the experimenter is gone up high during operation and evening test during operation.
4. The utility model discloses an strengthen the cover and according to the field device size preparation, adopt half open design, can match field device, installation convenient to use well.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the overall assembly structure diagram of the present invention.
Fig. 2 is a structural diagram of the insulation reinforcing cover of the present invention.
Fig. 3 is the utility model discloses a generator collector ring branch copper bar structure chart.
In the figure: the generator collector ring 1, the first through hole 2, the first pressurizing conductor copper bar 3, the first insulation reinforcing cover 4, the second pressurizing conductor copper bar 5, the second insulation reinforcing cover 6, the third pressurizing conductor copper bar 7, the third insulation reinforcing cover 8, the second through hole 9, the cavity 10 and the round hole 11.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-3, a generator voltage-withstand clearance insulation reinforcing cover comprises a first pressurizing conductor copper bar 3, a second pressurizing conductor copper bar 5 and a third pressurizing conductor copper bar 7 to be subjected to a voltage-withstand test, wherein a first insulation reinforcing cover 4 is sleeved outside the first pressurizing conductor copper bar 3, a second insulation reinforcing cover 6 is sleeved outside the second pressurizing conductor copper bar 5, and a third insulation reinforcing cover 8 is sleeved outside the third pressurizing conductor copper bar 7. Through adopting the insulating reinforcing cover of above-mentioned structure, it is good with field device matching nature, and installation convenient to use has improved the electric field distribution in withstand voltage clearance to guarantee that withstand voltage test goes on smoothly.
Further, the first pressurizing conductor copper bar 3, the second pressurizing conductor copper bar 5 and the third pressurizing conductor copper bar 7 are fixed on the outer side wall of the main board 12, and the generator collector ring 1 is fixed on the back of the main board 12. Of the above construction
Furthermore, the first insulating reinforcing cover 4, the second insulating reinforcing cover 6 and the third insulating reinforcing cover 8 all adopt the same structure, a cavity 10 is processed inside the insulating reinforcing cover, and a first through hole 2 and a second through hole 9 which are symmetrically arranged are processed on two sides of the insulating reinforcing cover. The insulation reinforcing cover with the structure can achieve a good voltage-resistant insulation effect, and further improves the safety and the working efficiency of a field high-voltage test.
Further, the first pressurizing conductor copper bar 3, the second pressurizing conductor copper bar 5 and the third pressurizing conductor copper bar 7 are all made of epoxy resin materials. Through the insulating boot that adopts above-mentioned structure, during the use sheathe the insulating enhancement cover respectively on the three copper bar of pressurization conductor and use the insulating tape to fix. Thereby achieving the purpose of good insulation. The electric field distribution of the withstand voltage gap can be improved.
Furthermore, circular holes 11 are uniformly formed in the first pressurizing conductor copper bar 3, the second pressurizing conductor copper bar 5 and the third pressurizing conductor copper bar 7 respectively. The circular hole 11 facilitates connection guidance.
The utility model discloses a use as follows:
the utility model discloses according to the field device size preparation, insulating enhancement cover adopts the design of half opening, and insulating enhancement cover material is epoxy, and before experimental beginning, install insulating enhancement cover on generator collector ring branch copper bar and fix, improved withstand voltage clearance's electric field distribution, improved withstand voltage clearance's insulation greatly, promoted on-the-spot high-voltage test's security and work efficiency.
Claims (5)
1. The utility model provides a cover is strengthened in withstand voltage clearance insulation of generator which characterized in that: it includes first pressurization conductor copper bar (3), second pressurization conductor copper bar (5) and third pressurization conductor copper bar (7) of waiting to carry out withstand voltage test, the outside cover of first pressurization conductor copper bar (3) is equipped with first insulation and strengthens cover (4), the outside cover of second pressurization conductor copper bar (5) is equipped with second insulation and strengthens cover (6), the outside cover of third pressurization conductor copper bar (7) is equipped with third insulation and strengthens cover (8).
2. The generator withstand voltage gap insulation reinforcing cover according to claim 1, characterized in that: the first pressurizing conductor copper bar (3), the second pressurizing conductor copper bar (5) and the third pressurizing conductor copper bar (7) are fixed on the outer side wall of the main board (12), and the back of the main board (12) is fixed with the generator collector ring (1).
3. The generator withstand voltage gap insulation reinforcing cover according to claim 1, characterized in that: the first insulation reinforcing cover (4), the second insulation reinforcing cover (6) and the third insulation reinforcing cover (8) are all of the same structure, a cavity (10) is processed inside the insulation reinforcing cover, and a first through hole (2) and a second through hole (9) which are symmetrically arranged are processed on two sides of the insulation reinforcing cover.
4. The generator withstand voltage gap insulation reinforcing cover according to claim 1, characterized in that: the first pressurizing conductor copper bar (3), the second pressurizing conductor copper bar (5) and the third pressurizing conductor copper bar (7) are all made of epoxy resin materials.
5. The generator withstand voltage gap insulation reinforcing cover according to claim 1, characterized in that: round holes (11) are uniformly processed on the first pressurizing conductor copper bar (3), the second pressurizing conductor copper bar (5) and the third pressurizing conductor copper bar (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582358.3U CN213986698U (en) | 2020-11-10 | 2020-11-10 | Generator voltage-resistant gap insulation reinforcing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582358.3U CN213986698U (en) | 2020-11-10 | 2020-11-10 | Generator voltage-resistant gap insulation reinforcing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213986698U true CN213986698U (en) | 2021-08-17 |
Family
ID=77262183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022582358.3U Active CN213986698U (en) | 2020-11-10 | 2020-11-10 | Generator voltage-resistant gap insulation reinforcing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213986698U (en) |
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2020
- 2020-11-10 CN CN202022582358.3U patent/CN213986698U/en active Active
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