CN110412415B - 一种基于dft、多阶滤波和突变判据的同步相量计算方法 - Google Patents
一种基于dft、多阶滤波和突变判据的同步相量计算方法 Download PDFInfo
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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
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- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
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- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
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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
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
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- 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
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CN201910517446.4A CN110412415B (zh) | 2019-06-14 | 2019-06-14 | 一种基于dft、多阶滤波和突变判据的同步相量计算方法 |
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CN111381285B (zh) * | 2020-03-31 | 2022-06-10 | 唐山学院 | 多频电流过零方波信号处理方法及装置 |
CN113535812B (zh) * | 2021-06-29 | 2024-01-30 | 浙江中控技术股份有限公司 | 工况稳态检测方法、过程优化方法 |
CN114665992B (zh) * | 2022-03-22 | 2023-10-27 | 吉林省广播电视研究所(吉林省广播电视局科技信息中心) | 基于平均极值测量信号指标的方法 |
Citations (4)
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CN104635094A (zh) * | 2015-03-02 | 2015-05-20 | 国电南瑞科技股份有限公司 | 一种提升pmu同步相量测量精度的方法 |
CN105116453A (zh) * | 2015-08-14 | 2015-12-02 | 中国石油天然气股份有限公司 | 一种冻土带天然气水合物的瞬变电磁勘探方法及装置 |
CN107345984A (zh) * | 2017-06-23 | 2017-11-14 | 华北电力大学 | 一种基于信号识别的自适应同步相量测量方法 |
CN108833058A (zh) * | 2018-05-25 | 2018-11-16 | 国网上海市电力公司 | 一种广域测量系统通信过程动态数据压缩、解压的方法 |
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US10101392B2 (en) * | 2014-07-11 | 2018-10-16 | Advantest Corporation | Scan test multiplexing |
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CN105116453A (zh) * | 2015-08-14 | 2015-12-02 | 中国石油天然气股份有限公司 | 一种冻土带天然气水合物的瞬变电磁勘探方法及装置 |
CN107345984A (zh) * | 2017-06-23 | 2017-11-14 | 华北电力大学 | 一种基于信号识别的自适应同步相量测量方法 |
CN108833058A (zh) * | 2018-05-25 | 2018-11-16 | 国网上海市电力公司 | 一种广域测量系统通信过程动态数据压缩、解压的方法 |
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基于同步相量的高密度量测数据压缩技术研究;蔡玉朋 等;《电测与仪表》;20200302;第57卷(第13期);第91-97页 * |
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Application publication date: 20191105 Assignee: ZHONGYU HIGH-TECH (WUHAN) INFORMATION TECHNOLOGY Co.,Ltd. Assignor: STATE GRID LIAONING ELECTRIC POWER Research Institute Contract record no.: X2023980034642 Denomination of invention: A Synchronous Phasor Calculation Method Based on DFT, Multi order Filtering, and Catastrophe Criterion Granted publication date: 20211123 License type: Common License Record date: 20230411 Application publication date: 20191105 Assignee: Beijing ANGLI Sifang Electrical Equipment Co.,Ltd. Assignor: STATE GRID LIAONING ELECTRIC POWER Research Institute Contract record no.: X2023980034637 Denomination of invention: A Synchronous Phasor Calculation Method Based on DFT, Multi order Filtering, and Catastrophe Criterion Granted publication date: 20211123 License type: Common License Record date: 20230411 Application publication date: 20191105 Assignee: NANJING NENGYUN ELECTRIC POWER TECHNOLOGY CO.,LTD. Assignor: STATE GRID LIAONING ELECTRIC POWER Research Institute Contract record no.: X2023980034640 Denomination of invention: A Synchronous Phasor Calculation Method Based on DFT, Multi order Filtering, and Catastrophe Criterion Granted publication date: 20211123 License type: Common License Record date: 20230411 Application publication date: 20191105 Assignee: Yilixin (Guangzhou) Electronic Technology Co.,Ltd. Assignor: STATE GRID LIAONING ELECTRIC POWER Research Institute Contract record no.: X2023980034641 Denomination of invention: A Synchronous Phasor Calculation Method Based on DFT, Multi order Filtering, and Catastrophe Criterion Granted publication date: 20211123 License type: Common License Record date: 20230411 |