CN113820623B - 电缆屏蔽层接地故障的判断方法 - Google Patents
电缆屏蔽层接地故障的判断方法 Download PDFInfo
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- CN113820623B CN113820623B CN202111153419.7A CN202111153419A CN113820623B CN 113820623 B CN113820623 B CN 113820623B CN 202111153419 A CN202111153419 A CN 202111153419A CN 113820623 B CN113820623 B CN 113820623B
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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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- 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
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
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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
Abstract
Description
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111153419.7A CN113820623B (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的判断方法 |
CN202311228135.9A CN117110945A (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的定位装置和判断方法 |
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CN202111153419.7A CN113820623B (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的判断方法 |
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CN202311228135.9A Division CN117110945A (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的定位装置和判断方法 |
Publications (2)
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CN113820623A CN113820623A (zh) | 2021-12-21 |
CN113820623B true CN113820623B (zh) | 2023-08-22 |
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CN202111153419.7A Active CN113820623B (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的判断方法 |
CN202311228135.9A Pending CN117110945A (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的定位装置和判断方法 |
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CN202311228135.9A Pending CN117110945A (zh) | 2021-09-29 | 2021-09-29 | 电缆屏蔽层接地故障的定位装置和判断方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115856708B (zh) * | 2023-02-28 | 2023-05-23 | 江苏省电力试验研究院有限公司 | 一种利用同轴电缆的交叉互联接地测试方法及系统 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8729586D0 (en) * | 1987-01-08 | 1988-02-03 | Kokusai Denshin Denwa Co Ltd | Fault location system for optical fibre cable |
WO1993015411A1 (en) * | 1992-01-24 | 1993-08-05 | Mitsui Petrochemical Industries, Ltd. | Method for predicting shortcircuit and apparatus therefor |
US5272439A (en) * | 1992-02-21 | 1993-12-21 | University Of Connecticut | Method and apparatus for the detection and location of faults and partial discharges in shielded cables |
JP2000046886A (ja) * | 1998-07-30 | 2000-02-18 | Kansai Electric Power Co Inc:The | 地絡検査装置 |
US6281685B1 (en) * | 1995-08-29 | 2001-08-28 | The United States Of America As Represented By The Secretary Of The Army | Cable shield fault locator |
CN103487727A (zh) * | 2013-06-21 | 2014-01-01 | 深圳供电局有限公司 | 一种高压电力电缆外护套故障在线定位方法 |
CN203759190U (zh) * | 2014-03-20 | 2014-08-06 | 陕西公众智能科技有限公司 | 一种配网电缆局部放电在线监测及放电位置定位系统 |
CN105137192A (zh) * | 2015-09-10 | 2015-12-09 | 山东康威通信技术股份有限公司 | 基于复阻抗测量的电缆屏蔽层接地性能监测装置及方法 |
CN105182199A (zh) * | 2015-09-23 | 2015-12-23 | 陕西公众智能科技有限公司 | 高压电缆局部放电在线监测及放电位置定位系统及方法 |
CN105334433A (zh) * | 2014-08-07 | 2016-02-17 | 国家电网公司 | 电缆局部放电的检测方法及装置 |
CN106370988A (zh) * | 2016-11-07 | 2017-02-01 | 北京汇清合源测控技术有限公司 | 一种基于均衡法测量的高压电缆局部放电检测装置 |
CN107515355A (zh) * | 2017-10-18 | 2017-12-26 | 国网江苏省电力公司南通供电公司 | 电缆故障点定位装置及其数据处理方法 |
CN207096379U (zh) * | 2017-06-28 | 2018-03-13 | 贵州电网有限责任公司 | 高压电缆局部放电定位系统 |
CN110927530A (zh) * | 2019-11-01 | 2020-03-27 | 国网宁夏电力有限公司 | 一种直流输电线路故障在线定位终端、方法和系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10331744A1 (de) * | 2003-07-11 | 2005-02-10 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Induktive Ankoppelschaltung und Verfahren zur Nachrichtenübertragung in elektrischen Energieverteilnetzen |
CN110007196A (zh) * | 2019-05-05 | 2019-07-12 | 华北电力大学(保定) | 一种在线监测电缆故障位置的方法 |
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2021
- 2021-09-29 CN CN202111153419.7A patent/CN113820623B/zh active Active
- 2021-09-29 CN CN202311228135.9A patent/CN117110945A/zh active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8729586D0 (en) * | 1987-01-08 | 1988-02-03 | Kokusai Denshin Denwa Co Ltd | Fault location system for optical fibre cable |
WO1993015411A1 (en) * | 1992-01-24 | 1993-08-05 | Mitsui Petrochemical Industries, Ltd. | Method for predicting shortcircuit and apparatus therefor |
US5272439A (en) * | 1992-02-21 | 1993-12-21 | University Of Connecticut | Method and apparatus for the detection and location of faults and partial discharges in shielded cables |
US6281685B1 (en) * | 1995-08-29 | 2001-08-28 | The United States Of America As Represented By The Secretary Of The Army | Cable shield fault locator |
JP2000046886A (ja) * | 1998-07-30 | 2000-02-18 | Kansai Electric Power Co Inc:The | 地絡検査装置 |
CN103487727A (zh) * | 2013-06-21 | 2014-01-01 | 深圳供电局有限公司 | 一种高压电力电缆外护套故障在线定位方法 |
CN203759190U (zh) * | 2014-03-20 | 2014-08-06 | 陕西公众智能科技有限公司 | 一种配网电缆局部放电在线监测及放电位置定位系统 |
CN105334433A (zh) * | 2014-08-07 | 2016-02-17 | 国家电网公司 | 电缆局部放电的检测方法及装置 |
CN105137192A (zh) * | 2015-09-10 | 2015-12-09 | 山东康威通信技术股份有限公司 | 基于复阻抗测量的电缆屏蔽层接地性能监测装置及方法 |
CN105182199A (zh) * | 2015-09-23 | 2015-12-23 | 陕西公众智能科技有限公司 | 高压电缆局部放电在线监测及放电位置定位系统及方法 |
CN106370988A (zh) * | 2016-11-07 | 2017-02-01 | 北京汇清合源测控技术有限公司 | 一种基于均衡法测量的高压电缆局部放电检测装置 |
CN207096379U (zh) * | 2017-06-28 | 2018-03-13 | 贵州电网有限责任公司 | 高压电缆局部放电定位系统 |
CN107515355A (zh) * | 2017-10-18 | 2017-12-26 | 国网江苏省电力公司南通供电公司 | 电缆故障点定位装置及其数据处理方法 |
CN110927530A (zh) * | 2019-11-01 | 2020-03-27 | 国网宁夏电力有限公司 | 一种直流输电线路故障在线定位终端、方法和系统 |
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CN113820623A (zh) | 2021-12-21 |
CN117110945A (zh) | 2023-11-24 |
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Inventor after: Liu Shili Inventor after: Wei Wei Inventor after: Liu Tao Inventor after: Zhu Bin Inventor after: Wang Youxing Inventor after: Song Wenxiu Inventor after: Wu Qiuqi Inventor before: Liu Shili Inventor before: Wei Wei Inventor before: Liu Tao Inventor before: Zhu Bin Inventor before: Wang Youxing Inventor before: Song Wenxiu Inventor before: Wu Qiuqi |
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