CN108493910B - 母线保护浪涌扰动识别方法与装置及差动保护方法与装置 - Google Patents
母线保护浪涌扰动识别方法与装置及差动保护方法与装置 Download PDFInfo
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- CN108493910B CN108493910B CN201810388413.XA CN201810388413A CN108493910B CN 108493910 B CN108493910 B CN 108493910B CN 201810388413 A CN201810388413 A CN 201810388413A CN 108493910 B CN108493910 B CN 108493910B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
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- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810388413.XA CN108493910B (zh) | 2018-04-26 | 2018-04-26 | 母线保护浪涌扰动识别方法与装置及差动保护方法与装置 |
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CN201810388413.XA CN108493910B (zh) | 2018-04-26 | 2018-04-26 | 母线保护浪涌扰动识别方法与装置及差动保护方法与装置 |
Publications (2)
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CN108493910A CN108493910A (zh) | 2018-09-04 |
CN108493910B true CN108493910B (zh) | 2020-02-21 |
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CN201810388413.XA Active CN108493910B (zh) | 2018-04-26 | 2018-04-26 | 母线保护浪涌扰动识别方法与装置及差动保护方法与装置 |
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CN (1) | CN108493910B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111987687B (zh) * | 2020-07-14 | 2022-08-30 | 许继集团有限公司 | 一种防止浪涌干扰误动的速断类差动保护方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100544151C (zh) * | 2007-08-31 | 2009-09-23 | 国电南京自动化股份有限公司 | 波形跟踪比较法采样值差动方法 |
CN101673937B (zh) * | 2009-08-13 | 2012-08-29 | 许继集团有限公司 | 差动保护中的浪涌干扰识别方法及差动保护方法 |
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2018
- 2018-04-26 CN CN201810388413.XA patent/CN108493910B/zh active Active
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Effective date of registration: 20221227 Address after: 461100 Weiwu Avenue and Yongxing East Road Intersection, Urban Rural Integration Demonstration Zone, Xuchang City, Henan Province, 150 meters east and north Patentee after: Henan Xujijibao Electric Automation Co.,Ltd. Patentee after: XJ Group Corp. Patentee after: XJ ELECTRIC Co.,Ltd. Patentee after: XUCHANG XUJI SOFTWARE TECHNOLOGY Co.,Ltd. Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XJ ELECTRIC Co.,Ltd. Patentee before: XUCHANG XUJI SOFTWARE TECHNOLOGY Co.,Ltd. |
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