CN202383242U - Partial discharge detection sensor of high-voltage motor - Google Patents
Partial discharge detection sensor of high-voltage motor Download PDFInfo
- Publication number
- CN202383242U CN202383242U CN2011205463533U CN201120546353U CN202383242U CN 202383242 U CN202383242 U CN 202383242U CN 2011205463533 U CN2011205463533 U CN 2011205463533U CN 201120546353 U CN201120546353 U CN 201120546353U CN 202383242 U CN202383242 U CN 202383242U
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- partial discharge
- voltage
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- measurement
- detection sensor
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Abstract
The utility model relates to a partial discharge detection sensor of a high-voltage motor, which belongs to the technical field of detecting instruments of high-voltage motors. The technical scheme includes that the partial discharge detection sensor comprises a base (1), an insulation pad (2), a measurement impedor (3), a high-voltage coupling capacitor (4), a first copper bolt (5), a voltage-sharing cap (6) and a second copper bolt (7), wherein the voltage-sharing cap is connected with the high-voltage coupling capacitor through the first copper bolt, the second copper bolt penetrates through the measurement impedor and is connected with the high-voltage coupling capacitor and the base, and the insulation pad is arranged between the base and the measurement impedor. The partial discharge detection sensor has the advantages that the high-voltage coupling capacitor is integrated with the measurement impedor , the device volume is reduced, a wiring method is simplified, and a partial discharge signal enters from the voltage-sharing cap, is ground via the high-voltage coupling capacitor, the second copper bolt and the base, is extracted when passing through the measurement impedor, is output through a partial discharge signal output terminal and is transmitted to the partial discharge detection sensor.
Description
Technical field
The utility model relates to a kind of high-voltage motor partial discharge detecting sensor based, belongs to high-voltage motor detecting instrument technical field.
Background technology
The high-voltage motor Partial Discharge Detection can detect high-voltage motor built-in electrical insulation aging conditions, is the important parameter to the equipment running assessment.Background technology is to the Partial Discharge Detection of high-voltage motor the time; Need take out local discharge signal from high-pressure side; Usually adopt high-pressure side to connect the high-pressure side of coupling capacitance; Impedance earth is measured in the series connection of coupling capacitance low pressure end, and the method wiring is loaded down with trivial details, big, difficult installation, dangerous big takes up room.
The utility model content
The purpose of the utility model provides a kind of high-voltage motor partial discharge detecting sensor based; High-voltage capacitance and mutual inductor are become one; Compact conformation, advantages of small volume are used for Partial Discharge Detection, the on-line monitoring of high-voltage motor, solve the problems referred to above that background technology exists.
The technical scheme of the utility model is: a kind of high-voltage motor partial discharge detecting sensor based; Comprise base, insulating mat, measurement impedance, high pressure coupling capacitance, brass bolt one, equal pressure cap and brass bolt two, all pressure cap is connected through brass bolt one with the high pressure coupling capacitance, and brass bolt two passes the measurement impedance; Connect high pressure coupling capacitance and base; Between base and the measurement impedance insulating mat is set, rotation high pressure coupling capacitance compresses the measurement impedance, realizes fixing.
Base is provided with an innings discharge signal lead-out terminal.
The utility model is combined into one high pressure coupling capacitance, measurement impedance, equal pressure cap, and volume is little, wiring is simple, can realize that a kind of equipment is directly from high-pressure side extraction office discharge signal.All pressure cap is connected through brass bolt one with the high pressure coupling capacitance; Brass bolt two passes the measurement impedance and serves as the mutual inductor primary side; Two ends connect high pressure coupling capacitance, base respectively, fill insulating mat between base and the measurement impedance, rotation high pressure coupling capacitance; Compress the measurement impedance, the measurement impedance is fixed.
The beneficial effect of the utility model is: high pressure coupling capacitance and measurement impedance are become one; Reduced equipment volume, simplified mode of connection, local discharge signal gets into from equal pressure-pad; Go into ground through high pressure coupling capacitance, brass bolt two, base; Be extracted during through the measurement impedance,, be transferred to Partial discharge detector through the output of local discharge signal lead-out terminal.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: base 1, insulating mat 2, measurement impedance 3, high pressure coupling capacitance 4, brass bolt 1, equal pressure cap 6, brass bolt 27, office's discharge signal lead-out terminal 8.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further through embodiment.
A kind of high-voltage motor partial discharge detecting sensor based; Comprise base 1, insulating mat 2, measurement impedance 3, high pressure coupling capacitance 4, brass bolt 1, equal pressure cap 6 and brass bolt 27, all pressure cap is connected through brass bolt one with the high pressure coupling capacitance, and brass bolt two passes the measurement impedance; Connect high pressure coupling capacitance and base; Between base and the measurement impedance insulating mat is set, rotation high pressure coupling capacitance compresses the measurement impedance, realizes fixing.Base is provided with an innings discharge signal lead-out terminal 8.
Claims (2)
1. high-voltage motor partial discharge detecting sensor based; It is characterized in that: comprise base (1), insulating mat (2), measurement impedance (3), high pressure coupling capacitance (4), brass bolt one (5), equal pressure cap (6) and brass bolt two (7); All pressure cap is connected through brass bolt one with the high pressure coupling capacitance; Brass bolt two passes the measurement impedance, connects high pressure coupling capacitance and base, between base and the measurement impedance insulating mat is set.
2. a kind of high-voltage motor partial discharge detecting sensor based according to claim 1 is characterized in that base is provided with an innings discharge signal lead-out terminal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205463533U CN202383242U (en) | 2011-12-23 | 2011-12-23 | Partial discharge detection sensor of high-voltage motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205463533U CN202383242U (en) | 2011-12-23 | 2011-12-23 | Partial discharge detection sensor of high-voltage motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383242U true CN202383242U (en) | 2012-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205463533U Expired - Fee Related CN202383242U (en) | 2011-12-23 | 2011-12-23 | Partial discharge detection sensor of high-voltage motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202383242U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967810A (en) * | 2012-11-22 | 2013-03-13 | 四川电力科学研究院 | Partial discharge detecting device for variable-frequency resonant oscillation wave cable |
| CN106199344A (en) * | 2015-05-05 | 2016-12-07 | 哈尔滨亚源电力有限责任公司 | Generator local discharge on-line monitoring device |
| CN107611898A (en) * | 2017-11-13 | 2018-01-19 | 国网河南省电力公司经济技术研究院 | A kind of spherical equal pressure cap |
-
2011
- 2011-12-23 CN CN2011205463533U patent/CN202383242U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967810A (en) * | 2012-11-22 | 2013-03-13 | 四川电力科学研究院 | Partial discharge detecting device for variable-frequency resonant oscillation wave cable |
| CN106199344A (en) * | 2015-05-05 | 2016-12-07 | 哈尔滨亚源电力有限责任公司 | Generator local discharge on-line monitoring device |
| CN107611898A (en) * | 2017-11-13 | 2018-01-19 | 国网河南省电力公司经济技术研究院 | A kind of spherical equal pressure cap |
| CN107611898B (en) * | 2017-11-13 | 2024-01-26 | 国网河南省电力公司经济技术研究院 | Spherical pressure equalizing cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20131223 |