CN115047253B - 基于输电线路空间介电常数变化的山火故障早期监测方法 - Google Patents
基于输电线路空间介电常数变化的山火故障早期监测方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
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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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CN102750799B (zh) * | 2012-06-18 | 2014-01-15 | 中国南方电网有限责任公司超高压输电公司 | 一种基于空间离子电流密度的直流输电线路山火监测装置 |
CN104933821B (zh) * | 2015-06-15 | 2017-06-20 | 华南理工大学 | 一种计算输电线路走廊山火烟雾浓度报警阈值的方法 |
CN106530575B (zh) * | 2016-12-19 | 2019-03-12 | 贵州电网有限责任公司电力科学研究院 | 一种输电线路分布式山火监测和预警装置及方法 |
CN106980712B (zh) * | 2017-03-06 | 2020-04-24 | 三峡大学 | 一种山火条件下输电线路间隙空间合成电场计算方法 |
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