JP2019045315A - 部分放電測定装置 - Google Patents
部分放電測定装置 Download PDFInfo
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- JP2019045315A JP2019045315A JP2017168843A JP2017168843A JP2019045315A JP 2019045315 A JP2019045315 A JP 2019045315A JP 2017168843 A JP2017168843 A JP 2017168843A JP 2017168843 A JP2017168843 A JP 2017168843A JP 2019045315 A JP2019045315 A JP 2019045315A
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- current
- partial discharge
- cancellation
- coil
- secondary coil
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- 238000005259 measurement Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000004907 flux Effects 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract description 11
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Testing Relating To Insulation (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
図1は、本実施形態に係る部分放電測定装置の概略図であり、図2は、本実施形態に係る部分放電測定装置のブロック図である。
Claims (3)
- 測定対象設備の電力機器に接続された導線に流れる電流により磁束が発生する鉄心と、
前記鉄心を巻回する二次コイル、及びキャンセリングコイルと、
前記二次コイルに流れる特定周波数の電流とは逆位相のキャンセル電流を前記キャンセリングコイルに供給するキャンセル手段と、を備える
ことを特徴とする部分放電測定装置。 - 請求項1に記載する部分放電測定装置において、
前記キャンセル手段は、
前記二次コイルに流れる特定周波数の電流を抽出するローパスフィルターと、
前記ローパスフィルターからの交流信号を直流信号に変換し、前記直流信号のレベルに基づいて、前記ローパスフィルターから出力された交流信号がゼロとなるような信号を前記キャンセル電流として生成する逆位相生成部と、を備える
ことを特徴とする部分放電測定装置。 - 請求項1又は請求項2に記載する部分放電測定装置において、
前記特定周波数は商用周波数である
ことを特徴とする部分放電測定装置。
Priority Applications (1)
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JP2017168843A JP6989232B2 (ja) | 2017-09-01 | 2017-09-01 | 部分放電測定装置 |
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JP2017168843A JP6989232B2 (ja) | 2017-09-01 | 2017-09-01 | 部分放電測定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019045315A true JP2019045315A (ja) | 2019-03-22 |
JP6989232B2 JP6989232B2 (ja) | 2022-01-05 |
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JP2017168843A Active JP6989232B2 (ja) | 2017-09-01 | 2017-09-01 | 部分放電測定装置 |
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JP (1) | JP6989232B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110470962A (zh) * | 2019-09-25 | 2019-11-19 | 哈工大机器人(岳阳)军民融合研究院 | 霍尔离子源励磁线圈绝缘老化程度的评估方法 |
JP2021015046A (ja) * | 2019-07-12 | 2021-02-12 | 日東工業株式会社 | 可搬式の放電検出装置 |
KR20230069610A (ko) * | 2021-11-12 | 2023-05-19 | 한국전기연구원 | 부분 방전 측정 장치 및 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08285899A (ja) * | 1995-04-18 | 1996-11-01 | Shimadzu Corp | 交流大電流に重畳する三角波の測定方法及び交流大電流に重畳する直流分の測定方法 |
JPH0980112A (ja) * | 1995-09-12 | 1997-03-28 | Fuji Electric Co Ltd | 部分放電測定装置 |
-
2017
- 2017-09-01 JP JP2017168843A patent/JP6989232B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08285899A (ja) * | 1995-04-18 | 1996-11-01 | Shimadzu Corp | 交流大電流に重畳する三角波の測定方法及び交流大電流に重畳する直流分の測定方法 |
JPH0980112A (ja) * | 1995-09-12 | 1997-03-28 | Fuji Electric Co Ltd | 部分放電測定装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021015046A (ja) * | 2019-07-12 | 2021-02-12 | 日東工業株式会社 | 可搬式の放電検出装置 |
CN110470962A (zh) * | 2019-09-25 | 2019-11-19 | 哈工大机器人(岳阳)军民融合研究院 | 霍尔离子源励磁线圈绝缘老化程度的评估方法 |
KR20230069610A (ko) * | 2021-11-12 | 2023-05-19 | 한국전기연구원 | 부분 방전 측정 장치 및 방법 |
KR102582116B1 (ko) | 2021-11-12 | 2023-09-25 | 한국전기연구원 | 부분 방전 측정 장치 및 방법 |
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