CN114814706B - 一种互感器在线自校准的测试装置和方法 - Google Patents
一种互感器在线自校准的测试装置和方法 Download PDFInfo
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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CN115407255B (zh) * | 2022-11-03 | 2023-02-03 | 云南电网有限责任公司 | 一种电流互感器误差在线监测装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB424810A (en) * | 1933-07-29 | 1935-02-28 | Walter Hohle | Method of testing current transformers |
CN103630724A (zh) * | 2013-06-26 | 2014-03-12 | 浙江天际互感器有限公司 | 基于带间隙铁芯线圈的自校准谐波电流互感器 |
CN112748277A (zh) * | 2021-01-20 | 2021-05-04 | 广东电网有限责任公司 | 一种电表箱带电检测装置 |
CN112858991A (zh) * | 2021-04-23 | 2021-05-28 | 武汉磐电科技股份有限公司 | 一种低压电流互感器不停电检定系统及方法 |
CN113820645A (zh) * | 2021-09-16 | 2021-12-21 | 国网四川省电力公司营销服务中心 | 一种通用型互感器校验设备及互感器校验方法 |
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JP5255554B2 (ja) * | 2009-12-18 | 2013-08-07 | 株式会社日立産機システム | 変流器あるいは変圧器のための特性監視装置 |
US11538628B2 (en) * | 2019-12-02 | 2022-12-27 | Panoramic Power Ltd. | Self calibration by signal injection |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB424810A (en) * | 1933-07-29 | 1935-02-28 | Walter Hohle | Method of testing current transformers |
CN103630724A (zh) * | 2013-06-26 | 2014-03-12 | 浙江天际互感器有限公司 | 基于带间隙铁芯线圈的自校准谐波电流互感器 |
CN112748277A (zh) * | 2021-01-20 | 2021-05-04 | 广东电网有限责任公司 | 一种电表箱带电检测装置 |
CN112858991A (zh) * | 2021-04-23 | 2021-05-28 | 武汉磐电科技股份有限公司 | 一种低压电流互感器不停电检定系统及方法 |
CN113820645A (zh) * | 2021-09-16 | 2021-12-21 | 国网四川省电力公司营销服务中心 | 一种通用型互感器校验设备及互感器校验方法 |
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Inventor after: Wu Zhiwu Inventor after: Jia Fangyan Inventor after: Zhan Wen Inventor after: Chen Xiuli Inventor after: Huang Tianfu Inventor after: Wang Chunguang Inventor after: Sun Jun Inventor after: Lin Tongyao Inventor after: Ruan Yujin Inventor after: Su Zhisheng Inventor before: Wu Zhiwu Inventor before: Lin Tongyao Inventor before: Ruan Yujin Inventor before: Su Zhisheng Inventor before: Jia Fangyan Inventor before: Zhan Wen Inventor before: Zhou Feng Inventor before: Yin Xiaodong Inventor before: Chen Xiuli Inventor before: Huang Tianfu Inventor before: Wang Chunguang Inventor before: Nie Qi Inventor before: Sun Jun |
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Address after: No.9, Qinyuan Branch Road, Jin'an District, Fuzhou City, Fujian Province 350013 Patentee after: Marketing service center of State Grid Fujian Electric Power Co.,Ltd. Patentee after: WUHAN PANDIAN SCI-TECH CO.,LTD. Address before: 430100 jiukang Avenue, Caidian Economic Development Zone, Wuhan, Hubei Patentee before: WUHAN PANDIAN SCI-TECH CO.,LTD. Patentee before: Marketing service center of State Grid Fujian Electric Power Co.,Ltd. |