CN103715667B - 一种输配电系统保护方法及输配电保护装置 - Google Patents
一种输配电系统保护方法及输配电保护装置 Download PDFInfo
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CN106443343A (zh) * | 2016-09-30 | 2017-02-22 | 国网福建省电力有限公司 | 一种利用暂态零序电流的小电流接地故障定位方法 |
CN109616874B (zh) * | 2018-10-31 | 2021-01-05 | 许继集团有限公司 | 智能变电站不停电改扩建方法 |
CN112986859B (zh) * | 2021-02-25 | 2022-11-11 | 国网江苏省电力有限公司无锡供电分公司 | 一种基于多间隔信息的配电网间歇性接地故障保护方法 |
CN114966326B (zh) * | 2022-08-01 | 2022-11-11 | 国家电网有限公司 | 基于电流负序故障的单相接地故障区段定位方法及系统 |
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JP2004080894A (ja) * | 2002-08-15 | 2004-03-11 | Meidensha Corp | 環線系統の保護方式 |
CN100563075C (zh) * | 2004-09-17 | 2009-11-25 | 福州大学 | 同杆/平行双回线高阻接地保护方法及装置 |
CN103326329B (zh) * | 2013-07-04 | 2016-02-03 | 南华大学 | Ct不对称断线快速闭锁母线的保护方法 |
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Address after: 510699 No. 75 Meihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: ELECTRICAL POWER DISPATCHING & CONTROL CENTER OF GUANGDONG POWER GRID Co.,Ltd. Patentee after: HUAZHONG University OF SCIENCE AND TECHNOLOGY Address before: 510699 No. 75 Meihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: ELECTRIC POWER DISPATCH CONTROL CENTER OF GUANGDONG GRID Co. Patentee before: HUAZHONG University OF SCIENCE AND TECHNOLOGY |
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Effective date of registration: 20210719 Address after: 510699 No. 75 Meihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: ELECTRICAL POWER DISPATCHING & CONTROL CENTER OF GUANGDONG POWER GRID Co.,Ltd. Address before: 510699 No. 75 Meihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: ELECTRICAL POWER DISPATCHING & CONTROL CENTER OF GUANGDONG POWER GRID Co.,Ltd. Patentee before: HUAZHONG University OF SCIENCE AND TECHNOLOGY |
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