CN115078909B - 一种基于能量拐点的非理想脉冲前沿检测方法及装置 - Google Patents
一种基于能量拐点的非理想脉冲前沿检测方法及装置 Download PDFInfo
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- 238000003708 edge detection Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 13
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- 230000008054 signal transmission Effects 0.000 claims description 4
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
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CN202210694580.3A CN115078909B (zh) | 2022-06-16 | 2022-06-16 | 一种基于能量拐点的非理想脉冲前沿检测方法及装置 |
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CN109828187A (zh) * | 2018-11-19 | 2019-05-31 | 国网浙江省电力有限公司电力科学研究院 | 一种定位变电设备局部放电故障的时间差提取分析方法 |
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CN114386324A (zh) * | 2021-12-27 | 2022-04-22 | 上海电力大学 | 一种基于转折性时段识别的超短期风电功率分段预测方法 |
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- 2022-06-16 CN CN202210694580.3A patent/CN115078909B/zh active Active
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JP2009216587A (ja) * | 2008-03-11 | 2009-09-24 | Central Res Inst Of Electric Power Ind | 送電線故障箇所標定方法、装置並びにプログラム |
CN103323032A (zh) * | 2013-05-17 | 2013-09-25 | 厦门科华恒盛股份有限公司 | 带死区单元双滑动窗滤波的阶跃信号检测方法 |
CN105223481A (zh) * | 2015-10-22 | 2016-01-06 | 西安交通大学 | 基于差值能量函数的局部放电特高频信号起始时刻确定方法 |
CN105319487A (zh) * | 2015-10-30 | 2016-02-10 | 国家电网公司 | 变电站局部放电信号检测和定位系统及方法 |
CN105574284A (zh) * | 2015-12-29 | 2016-05-11 | 山东鲁能软件技术有限公司 | 一种基于趋势特征点的电力设备故障诊断方法 |
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CN107655533A (zh) * | 2017-10-31 | 2018-02-02 | 合肥工业大学 | 一种基于回波能量积分的气体超声波流量计信号处理方法和系统 |
CN109828187A (zh) * | 2018-11-19 | 2019-05-31 | 国网浙江省电力有限公司电力科学研究院 | 一种定位变电设备局部放电故障的时间差提取分析方法 |
CN110658418A (zh) * | 2019-09-30 | 2020-01-07 | 山东信通电子股份有限公司 | 一种线缆故障检测方法和装置 |
KR102106307B1 (ko) * | 2019-11-11 | 2020-05-04 | 한국건설기술연구원 | 에너지 데이터 처리 방법 및 그 장치 |
CN110940933A (zh) * | 2019-12-02 | 2020-03-31 | 国网河北省电力有限公司电力科学研究院 | 一种用于测量陡脉冲上升沿起始时刻的综合计算方法 |
CN113639208A (zh) * | 2021-07-16 | 2021-11-12 | 汕头大学 | 一种基于极限逼近的负压波信号拐点定位方法及系统 |
CN114386324A (zh) * | 2021-12-27 | 2022-04-22 | 上海电力大学 | 一种基于转折性时段识别的超短期风电功率分段预测方法 |
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Selective review of offline change point detection methods;Charles Truong;《Signal Processing》;20190919(第167期);第1-20页 * |
最小能量法因子对RSO 法检测匝间短路故障的时间差 定位影响分析;李天辉;《高压电器》;20190516;第55卷(第5期);第54-61页 * |
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