CN106443304B - 用于检测电表外部一次计量ct二次侧回路状态的装置及方法 - Google Patents
用于检测电表外部一次计量ct二次侧回路状态的装置及方法 Download PDFInfo
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- CN106443304B CN106443304B CN201610975461.XA CN201610975461A CN106443304B CN 106443304 B CN106443304 B CN 106443304B CN 201610975461 A CN201610975461 A CN 201610975461A CN 106443304 B CN106443304 B CN 106443304B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 13
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- 239000003990 capacitor Substances 0.000 claims description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108152784A (zh) * | 2017-12-29 | 2018-06-12 | 江苏林洋能源股份有限公司 | 一种用于互感器接入式电能表检测外置ct状态的电路和方法 |
CN108120947B (zh) * | 2018-01-22 | 2020-07-10 | 宁波三星医疗电气股份有限公司 | 基于选频的ct二次回路窃电监测方法 |
CN108362922B (zh) * | 2018-01-23 | 2020-09-11 | 宁波三星医疗电气股份有限公司 | 基于遗传算法选频的ct二次回路窃电监测方法 |
CN110133349A (zh) * | 2019-06-04 | 2019-08-16 | 河南工业大学 | 基于异频法的防分流窃电方法 |
CN110850334B (zh) * | 2019-11-28 | 2022-03-29 | 国网福建省电力有限公司龙岩供电公司 | 一种ct二次回路状态的无损检测方法与检测装置 |
CN111693904B (zh) * | 2020-04-29 | 2022-07-29 | 宁波三星医疗电气股份有限公司 | 一种端钮盒接入线序检测电路及利用该电路的检测方法 |
Citations (7)
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JPS5739362A (en) * | 1980-08-20 | 1982-03-04 | Hitachi Cable Ltd | Short-circuit testing circuit of power cable |
CN102411112A (zh) * | 2011-08-02 | 2012-04-11 | 长沙威胜信息技术有限公司 | 检测终端外部一次计量ct二次侧接线状态的方法及其电路 |
CN102967792A (zh) * | 2012-11-19 | 2013-03-13 | 北京交通大学 | 牵引变电所电流互感器二次回路开路故障监测系统及方法 |
CN204154850U (zh) * | 2014-06-26 | 2015-02-11 | 镇江瑞清电子科技有限公司 | 一种电流互感器二次回路故障检测装置及其带通滤波电路 |
CN104849649A (zh) * | 2015-05-26 | 2015-08-19 | 中国电力科学研究院 | 一种计量用电流互感器二次回路状态的检测系统及方法 |
CN104865481A (zh) * | 2015-06-18 | 2015-08-26 | 烟台东方威思顿电气股份有限公司 | 用于负荷管理终端外接ct二次侧回路状态的检测方法 |
CN204613359U (zh) * | 2015-05-26 | 2015-09-02 | 中国电力科学研究院 | 一种计量用电流互感器二次回路状态的检测系统 |
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- 2016-11-07 CN CN201610975461.XA patent/CN106443304B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5739362A (en) * | 1980-08-20 | 1982-03-04 | Hitachi Cable Ltd | Short-circuit testing circuit of power cable |
CN102411112A (zh) * | 2011-08-02 | 2012-04-11 | 长沙威胜信息技术有限公司 | 检测终端外部一次计量ct二次侧接线状态的方法及其电路 |
CN102967792A (zh) * | 2012-11-19 | 2013-03-13 | 北京交通大学 | 牵引变电所电流互感器二次回路开路故障监测系统及方法 |
CN204154850U (zh) * | 2014-06-26 | 2015-02-11 | 镇江瑞清电子科技有限公司 | 一种电流互感器二次回路故障检测装置及其带通滤波电路 |
CN104849649A (zh) * | 2015-05-26 | 2015-08-19 | 中国电力科学研究院 | 一种计量用电流互感器二次回路状态的检测系统及方法 |
CN204613359U (zh) * | 2015-05-26 | 2015-09-02 | 中国电力科学研究院 | 一种计量用电流互感器二次回路状态的检测系统 |
CN104865481A (zh) * | 2015-06-18 | 2015-08-26 | 烟台东方威思顿电气股份有限公司 | 用于负荷管理终端外接ct二次侧回路状态的检测方法 |
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