CN112255492B - 一种强噪声背景下的配电网单相接地高阻故障识别方法 - Google Patents
一种强噪声背景下的配电网单相接地高阻故障识别方法 Download PDFInfo
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- CN112255492B CN112255492B CN202010928903.1A CN202010928903A CN112255492B CN 112255492 B CN112255492 B CN 112255492B CN 202010928903 A CN202010928903 A CN 202010928903A CN 112255492 B CN112255492 B CN 112255492B
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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
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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CN113138322B (zh) * | 2021-05-11 | 2022-12-23 | 南方电网科学研究院有限责任公司 | 配电网高阻接地故障的检测方法、装置、设备和存储介质 |
CN113625125B (zh) * | 2021-09-24 | 2023-11-21 | 南方电网科学研究院有限责任公司 | 一种配电网的高阻接地故障检测方法、装置和设备 |
CN113933749B (zh) * | 2021-10-18 | 2023-06-16 | 广东电网有限责任公司东莞供电局 | 配电网高阻接地故障的检测方法、装置、设备和存储介质 |
CN113933655B (zh) * | 2021-11-18 | 2023-09-19 | 国网重庆市电力公司电力科学研究院 | 基于暂态零模电流的有源配电网故障定位方法和装置 |
CN115144703B (zh) * | 2022-08-31 | 2022-11-15 | 南京邮电大学 | 基于零序差分电流和能量矩指标的高阻接地故障识别方法 |
CN116500383B (zh) * | 2023-06-27 | 2023-09-05 | 山东大学 | 基于李萨如曲线辨识高阻故障与投切扰动的方法及*** |
Citations (4)
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CN103786069A (zh) * | 2014-01-24 | 2014-05-14 | 华中科技大学 | 一种机械加工设备的颤振在线监测方法 |
CN104410044A (zh) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | 基于峭度和偏度的变压器励磁涌流识别方法 |
CN109489977A (zh) * | 2018-12-28 | 2019-03-19 | 西安工程大学 | 基于KNN-AdaBoost的轴承故障诊断方法 |
CN109975656A (zh) * | 2019-03-06 | 2019-07-05 | 河南理工大学 | 基于柔性直流配电网高阻接地故障检测方法 |
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US8067942B2 (en) * | 2007-09-28 | 2011-11-29 | Florida State University Research Foundation | Method for locating phase to ground faults in DC distribution systems |
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Patent Citations (4)
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CN103786069A (zh) * | 2014-01-24 | 2014-05-14 | 华中科技大学 | 一种机械加工设备的颤振在线监测方法 |
CN104410044A (zh) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | 基于峭度和偏度的变压器励磁涌流识别方法 |
CN109489977A (zh) * | 2018-12-28 | 2019-03-19 | 西安工程大学 | 基于KNN-AdaBoost的轴承故障诊断方法 |
CN109975656A (zh) * | 2019-03-06 | 2019-07-05 | 河南理工大学 | 基于柔性直流配电网高阻接地故障检测方法 |
Non-Patent Citations (1)
Title |
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基于随机共振和VMD分解的风电机组滚动轴承故障特征提取;贾嵘 等;《大电机技术》(第第2期期);全文 * |
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Inventor after: Wang Xiaowei Inventor after: Wang Xue Inventor after: Liang Zhenfeng Inventor after: Dang Jian Inventor after: Gao Jie Inventor after: Jia Rong Inventor after: Zhang Huizhi Inventor after: Wang Kaiyan Inventor after: Wei Xiangxiang Inventor before: Wang Xiaowei Inventor before: Liang Zhenfeng Inventor before: Dang Jian Inventor before: Gao Jie Inventor before: Jia Rong Inventor before: Zhang Huizhi Inventor before: Wang Kaiyan Inventor before: Wei Xiangxiang |