JP6599802B2 - 直流き電用整流器の交流側接続線の地絡故障検出方法 - Google Patents
直流き電用整流器の交流側接続線の地絡故障検出方法 Download PDFInfo
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- JP6599802B2 JP6599802B2 JP2016044194A JP2016044194A JP6599802B2 JP 6599802 B2 JP6599802 B2 JP 6599802B2 JP 2016044194 A JP2016044194 A JP 2016044194A JP 2016044194 A JP2016044194 A JP 2016044194A JP 6599802 B2 JP6599802 B2 JP 6599802B2
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- rectifier
- ground fault
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations
- H02H3/52—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations responsive to the appearance of harmonics
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
2 変電所
3 接地マット
4 帰線
7 整流器用変圧器
8 整流器
9 接続線
9s 遮蔽層
10 接地線
11 電流測定部
12 第3次高調波抽出部
14 交流側地絡表示部
Claims (2)
- 直流母線とレール等の帰線の間に直流電力を供給する直流電鉄用変電所において、この直流電鉄用変電所の整流器用変圧器と整流器の間の接続線の電路支持具あるいは接続線の遮蔽層が接続された接地線に流れる電流を測定し、この電流の商用周波数に対する高調波成分の内、第3次高調波成分を抽出し、この第3次高調波成分の大きさの変化によって、直流電鉄用変電所の整流器用変圧器と整流器との間の接続線における地絡故障を検出することを特徴とする直流き電用整流器の交流側接続線の地絡故障検出方法。
- 直流母線とレール等の帰線の間に直流電力を供給する直流電鉄用変電所において、この直流電鉄用変電所の整流器用変圧器と整流器の間の接続線の電路支持具あるいは接続線の遮蔽層が接続された接地線に流れる電流を測定し、この電流の商用周波数に対する高調波成分を周波数解析し、少なくとも一つの高調波成分の前記接地線に流れる電流の実効値に対する含有率の変化によって、直流電鉄用変電所の整流器用変圧器と整流器との間の接続線における地絡故障を検出することを特徴とする直流き電用整流器の交流側接続線の地絡故障検出方法。
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JP2016044194A JP6599802B2 (ja) | 2016-03-08 | 2016-03-08 | 直流き電用整流器の交流側接続線の地絡故障検出方法 |
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JP2016044194A JP6599802B2 (ja) | 2016-03-08 | 2016-03-08 | 直流き電用整流器の交流側接続線の地絡故障検出方法 |
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JP2017159720A JP2017159720A (ja) | 2017-09-14 |
JP6599802B2 true JP6599802B2 (ja) | 2019-10-30 |
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Families Citing this family (11)
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JP6543587B2 (ja) * | 2016-03-08 | 2019-07-10 | 西日本旅客鉄道株式会社 | 直流電鉄変電所用高圧接地継電器 |
KR101956571B1 (ko) * | 2017-12-01 | 2019-03-11 | 엘에스산전 주식회사 | 누전 차단 장치 |
CN107962982B (zh) * | 2017-12-05 | 2023-10-13 | 西南交通大学 | 一种三相牵引供电系统和车载供电系统 |
JP7076998B2 (ja) * | 2017-12-12 | 2022-05-30 | 株式会社東芝 | 地絡保護装置 |
CN108109332A (zh) * | 2017-12-20 | 2018-06-01 | 国网北京市电力公司 | 地线监测方法与装置 |
CN108594031A (zh) * | 2017-12-26 | 2018-09-28 | 奥克斯空调股份有限公司 | 一种电器设备电源接触状态的检测方法及装置 |
CN108828385B (zh) * | 2018-05-17 | 2019-10-18 | 西南交通大学 | 基于输入电流的地铁整流机组二极管开路故障的诊断方法 |
CN109596910B (zh) * | 2018-11-19 | 2020-06-16 | 江苏智臻能源科技有限公司 | 一种基于三次谐波时域变化规律的吸尘器非侵入辨识方法 |
CN109596918B (zh) * | 2018-12-07 | 2020-06-19 | 江苏智臻能源科技有限公司 | 一种破壁机非侵入辨识方法 |
CN114475370B (zh) * | 2022-03-14 | 2023-04-07 | 西南交通大学 | 一种电缆贯通供电系统接触网短路分段保护方法 |
CN117424186B (zh) * | 2023-10-31 | 2024-09-06 | 清华大学 | 一种电气化公路供电系统及其故障快速定位方法 |
Family Cites Families (4)
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JP2000009786A (ja) * | 1998-06-19 | 2000-01-14 | Miwa Electric Co Ltd | 主変圧器の2次電力ケーブルの地絡事故検出方法 |
JP2000333359A (ja) * | 1999-05-21 | 2000-11-30 | Meidensha Corp | き電系統の地絡事故検出装置 |
JP5311920B2 (ja) * | 2008-08-18 | 2013-10-09 | 西日本旅客鉄道株式会社 | 直流高圧接地継電器 |
JP2010273478A (ja) * | 2009-05-22 | 2010-12-02 | Kansai Electric Power Co Inc:The | 直流・交流回路地絡検出方法および直流・交流回路地絡検出システム |
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