CN113391134A - 一种基于余弦方波和阻尼振荡波下介质损耗测量的电缆缺陷判定方法 - Google Patents
一种基于余弦方波和阻尼振荡波下介质损耗测量的电缆缺陷判定方法 Download PDFInfo
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- CN113391134A CN113391134A CN202110764547.9A CN202110764547A CN113391134A CN 113391134 A CN113391134 A CN 113391134A CN 202110764547 A CN202110764547 A CN 202110764547A CN 113391134 A CN113391134 A CN 113391134A
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- Prior art keywords
- cable
- ratio
- cosine square
- dielectric loss
- defects
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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
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
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CN113391134B CN113391134B (zh) | 2023-04-07 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3289074A (en) * | 1962-05-18 | 1966-11-29 | Post Office | Method for determining dielectric loss of coaxial cable by measuring the decrement of the test oscillation |
JP2003270286A (ja) * | 2002-03-13 | 2003-09-25 | Furukawa Electric Co Ltd:The | 電力ケーブルの劣化判定方法 |
CN105866647A (zh) * | 2016-06-08 | 2016-08-17 | 西安交通大学 | 基于不同频率介损比值的xlpe绝缘老化状态评估方法 |
JP2017122738A (ja) * | 2017-03-14 | 2017-07-13 | 三宝電機株式会社 | 電力ケーブル診断装置および該方法 |
CN110208662A (zh) * | 2019-06-24 | 2019-09-06 | 国网上海市电力公司 | 基于介质谱的超导电缆pplp绝缘检测方法及系统 |
CN111693827A (zh) * | 2020-05-21 | 2020-09-22 | 国网河北省电力有限公司电力科学研究院 | 一种基于余弦方波耐压试验电缆水树严重程度诊断方法 |
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2021
- 2021-07-07 CN CN202110764547.9A patent/CN113391134B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3289074A (en) * | 1962-05-18 | 1966-11-29 | Post Office | Method for determining dielectric loss of coaxial cable by measuring the decrement of the test oscillation |
JP2003270286A (ja) * | 2002-03-13 | 2003-09-25 | Furukawa Electric Co Ltd:The | 電力ケーブルの劣化判定方法 |
CN105866647A (zh) * | 2016-06-08 | 2016-08-17 | 西安交通大学 | 基于不同频率介损比值的xlpe绝缘老化状态评估方法 |
JP2017122738A (ja) * | 2017-03-14 | 2017-07-13 | 三宝電機株式会社 | 電力ケーブル診断装置および該方法 |
CN110208662A (zh) * | 2019-06-24 | 2019-09-06 | 国网上海市电力公司 | 基于介质谱的超导电缆pplp绝缘检测方法及系统 |
CN111693827A (zh) * | 2020-05-21 | 2020-09-22 | 国网河北省电力有限公司电力科学研究院 | 一种基于余弦方波耐压试验电缆水树严重程度诊断方法 |
Non-Patent Citations (2)
Title |
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SAYIDUL MORSALIN等: "Diagnostic challenges in dielectric loss assessment and interpretation: a review", 《THE INSTITUTION OF ENGINEERING AND TECHNOLOGY》 * |
江航等: "高压电缆缺陷模拟及状态评估技术评述", 《浙江电力》 * |
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Inventor after: Sun Dong Inventor after: Yin Baoxin Inventor after: Gong Fuxing Inventor after: Liu Shuai Inventor after: Liu Nan Inventor after: Lv Yue Inventor after: Pu Yongxin Inventor after: Zhang Hao Inventor after: Ye Lanfeng Inventor after: Song Guangda Inventor before: Liu Shuai Inventor before: Liu Nan Inventor before: Lv Yue Inventor before: Pu Yongxin Inventor before: Zhang Hao Inventor before: Ye Lanfeng Inventor before: Song Guangda Inventor before: Yin Baoxin |
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