CN100544151C - The sampling value difference of wave-shape tracing comparison method method - Google Patents
The sampling value difference of wave-shape tracing comparison method method Download PDFInfo
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- CN100544151C CN100544151C CNB2007101311436A CN200710131143A CN100544151C CN 100544151 C CN100544151 C CN 100544151C CN B2007101311436 A CNB2007101311436 A CN B2007101311436A CN 200710131143 A CN200710131143 A CN 200710131143A CN 100544151 C CN100544151 C CN 100544151C
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- 238000005070 sampling Methods 0.000 title claims abstract description 41
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- 230000009699 differential effect Effects 0.000 claims abstract description 6
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- 230000008030 elimination Effects 0.000 claims abstract description 4
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- 201000010099 disease Diseases 0.000 description 3
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- 230000008859 change Effects 0.000 description 1
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CNB2007101311436A CN100544151C (en) | 2007-08-31 | 2007-08-31 | The sampling value difference of wave-shape tracing comparison method method |
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Families Citing this family (6)
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CN101499651B (en) * | 2009-03-05 | 2011-01-12 | 国电南瑞科技股份有限公司 | Fast acting method for microcomputer type relay protection |
CN105896483A (en) * | 2015-03-27 | 2016-08-24 | 南华大学 | Current change rate self-produced secondary current-based R-S differential protection method |
CN105896484A (en) * | 2015-03-27 | 2016-08-24 | 南华大学 | Quarter cyclic wave sampling value self-produced virtual secondary current-based R-S differential protection method |
CN108254641B (en) * | 2017-12-20 | 2021-01-22 | 北京惠泽智信科技有限公司 | Medical equipment state identification method and device |
CN108493910B (en) * | 2018-04-26 | 2020-02-21 | 许继集团有限公司 | Bus protection surge disturbance identification method and device and differential protection method and device |
CN111751647B (en) * | 2020-06-24 | 2023-08-08 | 深圳供电局有限公司 | Differential flow anomaly detection method |
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2007
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Non-Patent Citations (4)
Title |
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基于采样值相关原理的变压器保护方案. 李肖博,王宝英,肖仕武,李冰.继电器,第34卷第7期. 2006 |
基于采样值相关原理的变压器保护方案. 李肖博,王宝英,肖仕武,李冰.继电器,第34卷第7期. 2006 * |
采样值电流差动保护动作模糊区分析. 张方军,乐秀.电力自动化设备,第24卷第8期. 2004 |
采样值电流差动保护动作模糊区分析. 张方军,乐秀.电力自动化设备,第24卷第8期. 2004 * |
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Assignee: NANJING GUODIAN NANZI RURAL POWER GRID AUTOMATION ENGINEERING CO., LTD. Assignor: Nanjing Automation Co., Ltd., China Electronics Corp. Contract record no.: 2011320000363 Denomination of invention: Sampling value differential method of wave-shape tracing comparison method Granted publication date: 20090923 License type: Exclusive License Open date: 20080402 Record date: 20110323 |
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Owner name: NANJING GUODIAN NANJING GRID AUTOMATION CO., LTD. Free format text: FORMER OWNER: NANJING AUTOMATION CO., LTD., CHINA ELECTRONICS CORP. Effective date: 20121213 |
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Effective date of registration: 20121213 Address after: No. 8, SIEMENS Road, Jiangning Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Guodian Nanjing Grid Automation Co., Ltd. Address before: 210003, No. 38, new exemplary Road, Nanjing, Jiangsu Patentee before: Nanjing Automation Co., Ltd., China Electronics Corp. |
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Assignee: NANJING GUODIAN NANZI RURAL POWER GRID AUTOMATION ENGINEERING CO., LTD. Assignor: Nanjing Automation Co., Ltd., China Electronics Corp. Contract record no.: 2011320000363 Date of cancellation: 20131220 |
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