JPH048382Y2 - - Google Patents
Info
- Publication number
- JPH048382Y2 JPH048382Y2 JP13282684U JP13282684U JPH048382Y2 JP H048382 Y2 JPH048382 Y2 JP H048382Y2 JP 13282684 U JP13282684 U JP 13282684U JP 13282684 U JP13282684 U JP 13282684U JP H048382 Y2 JPH048382 Y2 JP H048382Y2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- iron core
- insulation
- corona shield
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000009413 insulation Methods 0.000 claims description 45
- 230000006866 deterioration Effects 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 description 16
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13282684U JPH048382Y2 (zh) | 1984-08-31 | 1984-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13282684U JPH048382Y2 (zh) | 1984-08-31 | 1984-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6148379U JPS6148379U (zh) | 1986-04-01 |
| JPH048382Y2 true JPH048382Y2 (zh) | 1992-03-03 |
Family
ID=30691381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13282684U Expired JPH048382Y2 (zh) | 1984-08-31 | 1984-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048382Y2 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH048383Y2 (zh) * | 1985-02-08 | 1992-03-03 | ||
| JP2961756B2 (ja) * | 1989-08-15 | 1999-10-12 | 株式会社明電舎 | 回転機コイルの絶縁劣化判定方法 |
-
1984
- 1984-08-31 JP JP13282684U patent/JPH048382Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6148379U (zh) | 1986-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4771355A (en) | System and method for arc detection in dynamoelectric machines | |
| US4156846A (en) | Detection of arcing faults in generator windings | |
| US7508119B2 (en) | Multifunction sensor system for electrical machines | |
| US6483319B1 (en) | Method of conducting broadband impedance response tests to predict stator winding failure | |
| US20030189431A1 (en) | Process for identifying abnormalities in power transformers | |
| Emery | Partial discharge, dissipation factor, and corona aspects for high voltage electric generator stator bars and windings | |
| JPH048382Y2 (zh) | ||
| JPH10177053A (ja) | 回転電機の固定子コイルの劣化検知方法及び装置 | |
| KR100952226B1 (ko) | 발전기와 전동기의 운전중 상태감시를 위한 자속, 써지 및온도 복합 측정센서 | |
| US6798112B1 (en) | Armature ground locating test process and equipment | |
| JP2876322B2 (ja) | Ｃｖケーブルの絶縁劣化診断方法 | |
| KR100805872B1 (ko) | 코일의 여수명 추정 방법 및 코일의 여수명 추정 장치 | |
| JPH0833431B2 (ja) | 高電圧回転機の絶縁劣化診断方法 | |
| JP2510328Y2 (ja) | 絶縁劣化監視装置 | |
| JPH048383Y2 (zh) | ||
| RU1781779C (ru) | Статор высоковольтной электрической машины | |
| JPS5950748A (ja) | 回転電機 | |
| Sedding et al. | High voltage DC ramp testing as a diagnostic of stator insulation condition | |
| JPH0627764B2 (ja) | 電気機器の耐電圧試験時の外部部分放電および沿面フラッシュオーバー検出予知方法 | |
| JP2665935B2 (ja) | ケーブルの誘電体損の測定方法 | |
| JPH04147065A (ja) | 絶縁線輪の試験方法 | |
| Prasad et al. | PD Measurement of Rotating Machine for Condition Monitoring | |
| Prasad et al. | PD Measurement of Rotating Machine for Condition Monitoring | |
| JPH04299051A (ja) | 回転電機 | |
| JPH0640459Y2 (ja) | 絶縁劣化監視装置 |