CN205484682U - Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation - Google Patents
Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation Download PDFInfo
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- CN205484682U CN205484682U CN201620247097.0U CN201620247097U CN205484682U CN 205484682 U CN205484682 U CN 205484682U CN 201620247097 U CN201620247097 U CN 201620247097U CN 205484682 U CN205484682 U CN 205484682U
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 230000001050 lubricating effect Effects 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model relates to a pressure resistance testing arrangement, specific female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation that says so belongs to electric power and overhauls testing equipment technical field. It tests the storehouse including test box, internal being equipped with of test box, is equipped with insulation support in the test storehouse, the last fixed insulating oil cup of insulation support. Be equipped with high voltage electrode and telluric electricity field in the insulating oil cup, telluric electricity field passes through wire ground connection, and high voltage electrode passes through the wire and connects test circuit. Be full of insulating oil in the insulating oil cup, insulating oil cup lower extreme is equipped with temperature control device. The utility model has the advantages of simple and compact structure, rationally, it is simply easy -to -use, can arrange the heat shrinkage bush material to mother and make authentic and valid test at the voltage strength of difference, the pressure resistance under the operating temperature under stable testing ring border to dielectric strength aassessment for the heat shrinkage bush provides strong foundation.
Description
Technical field
This utility model relates to a kind of pressure performance testing device, the specifically pressure performance testing device of transformer station's busbar heat-shrinkable T bush, belongs to electric power overhaul testing equipment technical field.
Background technology
Based on the electrical and mechanical properties that material contracting with heat is excellent, from the sixties in 20th century, material contracting with heat is used widely on the bus-bar casing tube of mesolow cable accessory and switch cubicle.But being as the growth of service life, busbar pyrocondensation insulated sleeve there will be steam in running, cause that gap discharge, running temperature are too high to be caused the tacky permeability of electric discharge, sleeve surface, part tubular to play the problems such as bag thus affect its insulating properties.Can cause when especially the reduction of its pressure performance is serious and puncture even short trouble, equipment safety operation is caused the biggest potential safety hazard.But the national standard that the dielectric strength of heat-shrinkable T bush is the most relevant at present or industry standard, whether it can fully meet transformer substation system insulating requirements need demonstration.Effective assessment method of testing is also lacked simultaneously for the pressure performance of heat-shrinkable T bush running different years.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thus a kind of transformer station pressure performance testing device of busbar heat-shrinkable T bush is provided, its compact conformation, easy to use, can be under stable test environment, the busbar heat-shrinkable T bush material pressure performance under different voltage strengths, running temperature is made authentic and valid test, thus the dielectric strength for heat-shrinkable T bush assesses the strong foundation of offer.
The technical scheme provided according to this utility model, transformer station's busbar heat-shrinkable T bush is pressure, and performance testing device includes testing casing, test casing is provided with LCDs and guidance panel, it is characterized in that: in test box body, be provided with test storehouse, test is provided with insulating support in storehouse, fixed insulation lubricating cup on insulating support；Being provided with high-field electrode and ground electrode in insulation lubricating cup, ground electrode passes through wired earth, and high-field electrode passes through wire connecting test circuit；Being full of insulating oil in insulation lubricating cup, insulation lubricating cup lower end is provided with attemperating unit.
Further, guidance panel is provided with control button and digital keys, it is possible to set test voltage and oil temperature.
Further, insulation lubricating cup upper end is provided with transparent insulating boot, and insulating boot will insulate including lubricating cup cover cap.
Further, test circuit includes that voltmeter, power supply and timer, voltmeter, power supply and timer pass sequentially through wired in series and connect, and tests circuit on one side ground connection.
Further, it is provided with overcurrent protective device between test circuit and high-field electrode.
Further, high-field electrode and ground electrode use equal diameter cylinder copper electrode, and its edge is all rounded to circular arc,
Further, high-field electrode and ground electrode are connected on electrode suppor by electrode regulator, can regulate high-field electrode and ground electrode accurately centering placement up and down by electrode regulator.
Further, electrode regulator is regulation bolt.
Compared with the prior art this utility model has the advantage that
This utility model simple in construction, compact, reasonable, easy to use, the busbar heat-shrinkable T bush material pressure performance under different voltage strengths, running temperature can be made authentic and valid test, thus the dielectric strength for heat-shrinkable T bush assesses the strong foundation of offer under stable test environment.
Accompanying drawing explanation
Fig. 1 is this utility model front view.
Fig. 2 is test storehouse front view.
Description of reference numerals: 1-test casing, 2-test storehouse, 3-LCDs, 4-guidance panel, 5-insulating support, 6-insulate lubricating cup, 7-attemperating unit, 8-high-field electrode, 9-ground electrode, 10-insulating boot, 11-overcurrent protective device, 12-voltmeter, 13-power supply, 14-timer.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by this utility model below:
As it is shown in figure 1, this utility model mainly includes testing casing 1, test casing 1 is provided with LCDs 3 and guidance panel 4.Guidance panel 4 is provided with control button and digital keys, it is possible to set test voltage and oil temperature.The information such as test voltage, breakdown voltage, breakdown time, pressure-resistant time and real-time oil temperature are shown in LCDs 3.
As in figure 2 it is shown, be provided with test storehouse 2 in test casing 1, test is provided with insulating support 5 in storehouse 2, fixed insulation lubricating cup 6 on insulating support 5.Being provided with high-field electrode 8 and ground electrode 9 in insulation lubricating cup 6, ground electrode 9 is by wired earth, and high-field electrode 8 is by wire connecting test circuit.Insulation lubricating cup 6 upper end is provided with transparent insulating boot 10, and insulating boot 10 will insulate including lubricating cup 6 cover cap.Being full of insulating oil in insulation lubricating cup 6, insulation lubricating cup 6 lower end is provided with attemperating unit 7, and attemperating unit 7 is connected with digital thermometer for measuring regulation oil temperature.
Described test circuit includes that voltmeter 12, power supply 13 and timer 14, voltmeter 12, power supply 13 and timer 14 pass sequentially through wired in series and connect, and tests circuit on one side ground connection.
It is provided with overcurrent protective device between described test circuit and high-field electrode 8, prevents current overload.
Described high-field electrode 8 and ground electrode 9 use equal diameter cylinder copper electrode, and its edge is all rounded to circular arc.Described high-field electrode 8 and ground electrode 9 are connected on electrode suppor by electrode regulator, can regulate high-field electrode 8 by electrode regulator and the accurate centering of ground electrode about 9 is placed.
Described electrode regulator is regulation bolt.
In embodiment, operational approach of the present utility model is:
1, busbar heat-shrinkable T bush is cut into the square coupons of the length of side about 50mm, is positioned in lubricating cup between two electrodes, adjust upper/lower electrode position and make its accurate centering place, and make electrode fit tightly with sample.
2, in voltage-withstand test storehouse, pour insulating oil into, make insulating oil be totally submerged upper/lower electrode and sample.
3, insert power supply, connect ground wire, check device and measurement circuit.
4, turn on the power switch, set test voltage and oil temperature by the control button on guidance panel and digital keys, press " determination " key after setting up and confirm.Then press "start" button and start test.
5, test voltage will rise to preset value with given pace, if heat-shrinkable T bush sample punctures in boost process, then record magnitude of voltage when puncturing, punctures duration and current oil temperature.If heat-shrinkable T bush sample does not punctures after arriving predeterminated voltage, then keep predeterminated voltage and automatically begin to timing, when sample is breakdown, recording current voltage value, pressure-resistant time and current oil temperature.All data can preserve.
6, pressing " stopping " key and can terminate test at any time, voltage will gradually reduce to zero, after close power supply.
This utility model simple in construction, compact, reasonable, easy to use, the busbar heat-shrinkable T bush material pressure performance under different voltage strengths, running temperature can be made authentic and valid test, thus the dielectric strength for heat-shrinkable T bush assesses the strong foundation of offer under stable test environment.
Claims (8)
1. transformer station's pressure performance testing device of busbar heat-shrinkable T bush, including test casing (1), test casing (1) is provided with LCDs (3) and guidance panel (4), it is characterized in that: in test casing (1), be provided with test storehouse (2), it is provided with insulating support (5), the upper fixed insulation lubricating cup (6) of insulating support (5) in test storehouse (2)；Being provided with high-field electrode (8) and ground electrode (9) in insulation lubricating cup (6), ground electrode (9) passes through wired earth, and high-field electrode (8) passes through wire connecting test circuit；Being full of insulating oil in insulation lubricating cup (6), insulation lubricating cup (6) lower end is provided with attemperating unit (7).
2. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, is characterized in that: described guidance panel (4) is provided with control button and digital keys, it is possible to set test voltage and oil temperature.
3. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, is characterized in that: described insulation lubricating cup (6) upper end is provided with transparent insulating boot (10), and insulating boot (10) will insulate including lubricating cup (6) cover cap.
4. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, it is characterized in that: described test circuit includes voltmeter (12), power supply (13) and timer (14), voltmeter (12), power supply (13) and timer (14) pass sequentially through wired in series and connect, and test circuit on one side ground connection.
5. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, is characterized in that: be provided with overcurrent protective device between described test circuit and high-field electrode (8).
6. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, is characterized in that: described high-field electrode (8) and ground electrode (9) use equal diameter cylinder copper electrode, and its edge is all rounded to circular arc.
7. the transformer station as claimed in claim 1 pressure performance testing device of busbar heat-shrinkable T bush, it is characterized in that: described high-field electrode (8) and ground electrode (9) are connected on electrode suppor by electrode regulator, high-field electrode (8) and ground electrode (9) accurately centering placement up and down can be regulated by electrode regulator.
8. the transformer station as claimed in claim 7 pressure performance testing device of busbar heat-shrinkable T bush, is characterized in that: described electrode regulator is regulation bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247097.0U CN205484682U (en) | 2016-03-28 | 2016-03-28 | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247097.0U CN205484682U (en) | 2016-03-28 | 2016-03-28 | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484682U true CN205484682U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620247097.0U Active CN205484682U (en) | 2016-03-28 | 2016-03-28 | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation |
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| Country | Link |
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| CN (1) | CN205484682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606980A (en) * | 2016-03-28 | 2016-05-25 | 江苏省电力公司无锡供电公司 | Device for testing voltage endurance of substation bus bar heat-shrinkable bush |
| CN107870289A (en) * | 2017-10-12 | 2018-04-03 | 国网天津市电力公司电力科学研究院 | Intelligent thermoregulating, pressure regulation XLPE cable insulation material performance test instruments |
| CN109557439A (en) * | 2018-12-21 | 2019-04-02 | 广西电网有限责任公司电力科学研究院 | Paper oil insulation defect casing operating condition simulator |
-
2016
- 2016-03-28 CN CN201620247097.0U patent/CN205484682U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606980A (en) * | 2016-03-28 | 2016-05-25 | 江苏省电力公司无锡供电公司 | Device for testing voltage endurance of substation bus bar heat-shrinkable bush |
| CN107870289A (en) * | 2017-10-12 | 2018-04-03 | 国网天津市电力公司电力科学研究院 | Intelligent thermoregulating, pressure regulation XLPE cable insulation material performance test instruments |
| CN109557439A (en) * | 2018-12-21 | 2019-04-02 | 广西电网有限责任公司电力科学研究院 | Paper oil insulation defect casing operating condition simulator |
| CN109557439B (en) * | 2018-12-21 | 2021-01-08 | 广西电网有限责任公司电力科学研究院 | Oil paper insulation defect sleeve running condition simulation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |