CN106556783A - 一种变电站内基于特高频相控阵原理的局部放电测向方法 - Google Patents
一种变电站内基于特高频相控阵原理的局部放电测向方法 Download PDFInfo
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- CN106556783A CN106556783A CN201611105376.4A CN201611105376A CN106556783A CN 106556783 A CN106556783 A CN 106556783A CN 201611105376 A CN201611105376 A CN 201611105376A CN 106556783 A CN106556783 A CN 106556783A
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- 238000000034 method Methods 0.000 title claims abstract description 26
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107942212A (zh) * | 2017-11-17 | 2018-04-20 | 国网天津市电力公司 | 一种基于空间谱无模糊估计的变电站局部放电定位方法 |
CN108051717A (zh) * | 2018-02-24 | 2018-05-18 | 平顶山学院 | 变电站局部放电自动定位方法 |
CN108445447A (zh) * | 2018-02-27 | 2018-08-24 | 国家电网有限公司 | 一种变电站放电源的站域空间波达方向估计系统 |
CN108828419A (zh) * | 2018-08-01 | 2018-11-16 | 广州供电局有限公司 | 基于似然估计的开关房局部放电定向方法 |
CN109752633A (zh) * | 2019-01-28 | 2019-05-14 | 国网山东省电力公司日照供电公司 | 一种对变电站局部放电信号进行定位的方法及系统 |
CN109814013A (zh) * | 2019-01-28 | 2019-05-28 | 上海交通大学 | 一种对局部放电进行精确定向的方法及系统 |
CN109829416A (zh) * | 2019-01-28 | 2019-05-31 | 国网山东省电力公司日照供电公司 | 一种从随机噪声中检测出特高频局部放电信号的方法和系统 |
CN109946572A (zh) * | 2019-03-08 | 2019-06-28 | 国网山东省电力公司日照供电公司 | 基于圆形特高频传感器阵列的局部放电信号测向方法及系统 |
CN110907778A (zh) * | 2019-12-12 | 2020-03-24 | 国网重庆市电力公司电力科学研究院 | Gis设备局部放电超声定位方法、装置、设备及介质 |
CN113092966A (zh) * | 2021-04-09 | 2021-07-09 | 华北电力大学(保定) | 一种基于麦克风阵列的换流阀局部放电信号的定位方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101702000A (zh) * | 2009-11-26 | 2010-05-05 | 华北电力大学(保定) | 变压器局部放电的相控超声定位方法及系统 |
CN102183710A (zh) * | 2011-03-02 | 2011-09-14 | 华北电力大学(保定) | 变压器局放源个数辨识方法与系统 |
CN102662132A (zh) * | 2012-05-30 | 2012-09-12 | 华北电力大学(保定) | 一种电气设备局部放电定位方法及系统 |
CN103995221A (zh) * | 2014-05-29 | 2014-08-20 | 西安交通大学 | 用于变压器局部放电定位的超声波接收阵列的定向方法 |
CN104833863A (zh) * | 2015-05-21 | 2015-08-12 | 中国电子科技集团公司第三十八研究所 | 一种高频相控阵天线的远场暗室测试系统及方法 |
CN105356051A (zh) * | 2015-11-16 | 2016-02-24 | 中国电子科技集团公司第十研究所 | 大功率导引头瓦式有源相控阵天线 |
EP3285402A1 (en) * | 2015-04-13 | 2018-02-21 | Mitsubishi Electric Corporation | Phased array antenna device |
-
2016
- 2016-12-05 CN CN201611105376.4A patent/CN106556783B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101702000A (zh) * | 2009-11-26 | 2010-05-05 | 华北电力大学(保定) | 变压器局部放电的相控超声定位方法及系统 |
CN102183710A (zh) * | 2011-03-02 | 2011-09-14 | 华北电力大学(保定) | 变压器局放源个数辨识方法与系统 |
CN102662132A (zh) * | 2012-05-30 | 2012-09-12 | 华北电力大学(保定) | 一种电气设备局部放电定位方法及系统 |
CN103995221A (zh) * | 2014-05-29 | 2014-08-20 | 西安交通大学 | 用于变压器局部放电定位的超声波接收阵列的定向方法 |
EP3285402A1 (en) * | 2015-04-13 | 2018-02-21 | Mitsubishi Electric Corporation | Phased array antenna device |
CN104833863A (zh) * | 2015-05-21 | 2015-08-12 | 中国电子科技集团公司第三十八研究所 | 一种高频相控阵天线的远场暗室测试系统及方法 |
CN105356051A (zh) * | 2015-11-16 | 2016-02-24 | 中国电子科技集团公司第十研究所 | 大功率导引头瓦式有源相控阵天线 |
Non-Patent Citations (3)
Title |
---|
唐文秀 等: "MUSIC算法和相控接收原理在变压器局部放电定位中的应用", 《机电产品开发与创新》 * |
辛晓虎 等: "用于油中局部放电定位的超声波接收阵列的定向算法比较", 《中国电机工程学报》 * |
陈柱学 等: "非均匀线阵的快速求根MUSIC方法", 《雷电科学与技术》 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107942212A (zh) * | 2017-11-17 | 2018-04-20 | 国网天津市电力公司 | 一种基于空间谱无模糊估计的变电站局部放电定位方法 |
CN108051717B (zh) * | 2018-02-24 | 2020-01-03 | 平顶山学院 | 变电站局部放电自动定位方法 |
CN108051717A (zh) * | 2018-02-24 | 2018-05-18 | 平顶山学院 | 变电站局部放电自动定位方法 |
CN108445447A (zh) * | 2018-02-27 | 2018-08-24 | 国家电网有限公司 | 一种变电站放电源的站域空间波达方向估计系统 |
CN108445447B (zh) * | 2018-02-27 | 2021-09-28 | 国家电网有限公司 | 一种变电站放电源的站域空间波达方向估计系统 |
CN108828419A (zh) * | 2018-08-01 | 2018-11-16 | 广州供电局有限公司 | 基于似然估计的开关房局部放电定向方法 |
CN108828419B (zh) * | 2018-08-01 | 2020-11-03 | 广东电网有限责任公司广州供电局 | 基于似然估计的开关房局部放电定向方法 |
CN109752633A (zh) * | 2019-01-28 | 2019-05-14 | 国网山东省电力公司日照供电公司 | 一种对变电站局部放电信号进行定位的方法及系统 |
CN109829416A (zh) * | 2019-01-28 | 2019-05-31 | 国网山东省电力公司日照供电公司 | 一种从随机噪声中检测出特高频局部放电信号的方法和系统 |
CN109752633B (zh) * | 2019-01-28 | 2020-12-04 | 国网山东省电力公司日照供电公司 | 一种对变电站局部放电信号进行定位的方法及系统 |
CN109814013A (zh) * | 2019-01-28 | 2019-05-28 | 上海交通大学 | 一种对局部放电进行精确定向的方法及系统 |
CN109946572A (zh) * | 2019-03-08 | 2019-06-28 | 国网山东省电力公司日照供电公司 | 基于圆形特高频传感器阵列的局部放电信号测向方法及系统 |
CN109946572B (zh) * | 2019-03-08 | 2021-10-22 | 国网山东省电力公司日照供电公司 | 基于圆形特高频传感器阵列的局部放电信号测向方法及系统 |
CN110907778A (zh) * | 2019-12-12 | 2020-03-24 | 国网重庆市电力公司电力科学研究院 | Gis设备局部放电超声定位方法、装置、设备及介质 |
CN113092966A (zh) * | 2021-04-09 | 2021-07-09 | 华北电力大学(保定) | 一种基于麦克风阵列的换流阀局部放电信号的定位方法 |
CN113092966B (zh) * | 2021-04-09 | 2022-04-29 | 华北电力大学(保定) | 一种基于麦克风阵列的换流阀局部放电信号的定位方法 |
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Inventor after: Deng Junbo Inventor after: Liu Qing Inventor after: Zhu Mingxiao Inventor after: Wang Yanbo Inventor after: Zhang Guanjun Inventor after: Guo Anxiang Inventor after: Liu Xiaowei Inventor before: Deng Junbo Inventor before: Liu Qing Inventor before: Zhu Mingxiao Inventor before: Wang Yanbo Inventor before: Zhang Guanjun |
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Effective date of registration: 20171116 Address after: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Applicant after: XI'AN JIAOTONG University Applicant after: State Grid Corporation of China Applicant after: STATE GRID SHAANXI ELECTRIC POWER Research Institute Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Applicant before: Xi'an Jiaotong University |
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Granted publication date: 20190719 |