CN104251978B - 直流***交流串扰与电压波动对继电器影响的测试装置 - Google Patents
直流***交流串扰与电压波动对继电器影响的测试装置 Download PDFInfo
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CN108983030B (zh) * | 2018-08-29 | 2022-09-09 | 国网辽宁省电力有限公司丹东供电公司 | 一种基于轮切电阻的交流串入直流***的故障定位装置及方法 |
CN111077397B (zh) * | 2019-12-30 | 2022-03-08 | 国家电网有限公司 | 变电直流***接地串扰检测预警*** |
CN113640694B (zh) * | 2020-04-26 | 2023-10-27 | 中移(成都)信息通信科技有限公司 | 纹波噪声测试探头以及测试装置 |
CN113933648A (zh) * | 2021-09-27 | 2022-01-14 | 国网河北省电力有限公司电力科学研究院 | 配电网继电保护向量检查和动作逻辑校验测试装置及方法 |
CN114167175B (zh) * | 2021-11-29 | 2023-04-07 | 广西电网有限责任公司钦州供电局 | 一种继电器交流窜入及电压波动测试方法 |
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JP2009126642A (ja) * | 2007-11-22 | 2009-06-11 | Mitsubishi Electric Engineering Co Ltd | 蓄電池容量判定装置 |
KR100970943B1 (ko) * | 2007-12-21 | 2010-07-20 | 재단법인 포항산업과학연구원 | 발전용 연료전지를 포함하는 전력계통의 고장기록시스템 및 고장기록방법 |
CN101982790A (zh) * | 2010-10-13 | 2011-03-02 | 广州仟顺电子设备有限公司 | 直流接地引起保护误动分析实验装置及方法 |
CN102680863B (zh) * | 2011-03-16 | 2015-02-04 | 北京人民电器厂有限公司 | 监测直流***两极对地绝缘同时同比例下降的方法 |
CN103983890B (zh) * | 2014-05-30 | 2017-04-12 | 广州供电局有限公司 | 交流串扰对继电器影响产生的故障点查找方法和测试电路 |
CN204142932U (zh) * | 2014-09-04 | 2015-02-04 | 广州供电局有限公司 | 直流***交流串扰与电压波动对继电器影响的测试装置 |
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Effective date of registration: 20230524 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. Effective date of registration: 20230524 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee before: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. |