JP4740421B2 - 三相一括ガス絶縁機器の部分放電部位標定方法 - Google Patents
三相一括ガス絶縁機器の部分放電部位標定方法 Download PDFInfo
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- JP4740421B2 JP4740421B2 JP2006207706A JP2006207706A JP4740421B2 JP 4740421 B2 JP4740421 B2 JP 4740421B2 JP 2006207706 A JP2006207706 A JP 2006207706A JP 2006207706 A JP2006207706 A JP 2006207706A JP 4740421 B2 JP4740421 B2 JP 4740421B2
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- 金属容器内に三相の各導体を配置し、前記各導体を絶縁物にて支持すると共に、絶縁物にて気密に区分する複数のガス区画内に絶縁ガスを封入すると共に、前記ガス区画の金属容器に部分放電を検出する検出センサを取り付けて三相一括ガス絶縁機器の部分放電の部位を特定する方法であって、前記金属容器の異なる前記ガス区画の各検出センサにて部分放電信号を検出し、少なくとも2つの前記検出センサが検出した部分放電信号を用いて部分放電しているガス区画を特定し、続いて特定した前記ガス区画に新たに少なくとも音響センサを配置し、前記音響センサと既設若しくは新設の部分放電の検出センサで検出する各放電信号の検出強度を計測し、前記検出センサ及び前記音響センサが検出した各放電信号の検出強度と三相の電圧の位相波形とに基づいて欠陥部位を特定することを特徴とする三相一括ガス絶縁機器の部分放電部位標定方法。
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JP2008032595A JP2008032595A (ja) | 2008-02-14 |
JP4740421B2 true JP4740421B2 (ja) | 2011-08-03 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103529364B (zh) * | 2013-09-20 | 2016-05-25 | 华北电力大学(保定) | 基于超声稀疏阵列传感器的油中多局部放电源定位方法 |
CN105974277B (zh) * | 2016-04-25 | 2018-12-04 | 西安交通大学 | 一种用于长母线gis现场耐压试验中击穿点定位的方法 |
CN107688139A (zh) * | 2017-09-22 | 2018-02-13 | 福州大学 | 基于泄露电流的gis盆式绝缘子沿面放电监测方法 |
JP7086325B2 (ja) * | 2020-06-24 | 2022-06-17 | 三菱電機株式会社 | 部分放電検出装置および電力機器 |
CN115825667B (zh) * | 2022-12-06 | 2023-10-13 | 广州科易光电技术有限公司 | 绝缘子串检测方法、电子设备及存储介质 |
CN117388644B (zh) * | 2023-06-27 | 2024-04-16 | 国网宁夏电力有限公司电力科学研究院 | 一种电力设备局部放电定位方法与系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01248926A (ja) * | 1988-03-28 | 1989-10-04 | Hitachi Ltd | ガス絶縁機器の異常診断装置 |
JPH03259756A (ja) * | 1990-03-09 | 1991-11-19 | Hitachi Ltd | 電力機器およびその異常標定方法 |
JPH04215075A (ja) * | 1990-12-12 | 1992-08-05 | Toshiba Corp | ガス絶縁開閉装置の部分放電検出装置 |
JPH05146014A (ja) * | 1991-11-22 | 1993-06-11 | Hitachi Ltd | ガス絶縁機器の監視装置および監視方法 |
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- 2006-07-31 JP JP2006207706A patent/JP4740421B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01248926A (ja) * | 1988-03-28 | 1989-10-04 | Hitachi Ltd | ガス絶縁機器の異常診断装置 |
JPH03259756A (ja) * | 1990-03-09 | 1991-11-19 | Hitachi Ltd | 電力機器およびその異常標定方法 |
JPH04215075A (ja) * | 1990-12-12 | 1992-08-05 | Toshiba Corp | ガス絶縁開閉装置の部分放電検出装置 |
JPH05146014A (ja) * | 1991-11-22 | 1993-06-11 | Hitachi Ltd | ガス絶縁機器の監視装置および監視方法 |
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