IN2014CN04230A - - Google Patents
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- Publication number
- IN2014CN04230A IN2014CN04230A IN4230CHN2014A IN2014CN04230A IN 2014CN04230 A IN2014CN04230 A IN 2014CN04230A IN 4230CHN2014 A IN4230CHN2014 A IN 4230CHN2014A IN 2014CN04230 A IN2014CN04230 A IN 2014CN04230A
- Authority
- IN
- India
- Prior art keywords
- fault
- local line
- fault component
- identifying
- lines
- Prior art date
Links
Classifications
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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
- H02H7/28—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 for meshed systems
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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
- H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
- H02H3/302—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison
-
- 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
- H02H7/261—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 involving signal transmission between at least two stations
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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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2012/070424 WO2013106985A1 (en) | 2012-01-16 | 2012-01-16 | Method for identifying fault direction without voltage measurement information and directional element thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CN04230A true IN2014CN04230A (pt) | 2015-07-17 |
Family
ID=48798476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN4230CHN2014 IN2014CN04230A (pt) | 2012-01-16 | 2012-01-16 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN104054001B (pt) |
IN (1) | IN2014CN04230A (pt) |
WO (1) | WO2013106985A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2518188B (en) * | 2013-09-12 | 2020-11-18 | Ea Tech Limited | Fault level monitor |
CN103927459B (zh) * | 2014-05-04 | 2016-10-05 | 华北电力大学(保定) | 一种用于含分布式电源配电网故障定位的方法 |
CN106941252B (zh) * | 2017-01-09 | 2019-04-05 | 湖南大学 | 不需电压量的含dg配电网馈线保护方法 |
CN107017608A (zh) * | 2017-05-31 | 2017-08-04 | 国网吉林省电力有限公司电力科学研究院 | 一种含分布式电源的配电网电流保护设施及方法 |
CN107221919B (zh) * | 2017-07-14 | 2019-07-12 | 国网辽宁省电力有限公司 | 一种提高含分布式电源的配电网继电保护可靠性的方法 |
CN109959844B (zh) * | 2019-01-14 | 2021-06-04 | 珠海许继电气有限公司 | 一种含分布式电源的配电网故障方向的判断方法及装置 |
CN111130077B (zh) * | 2020-02-17 | 2022-03-29 | 东南大学 | 一种基于幅相关系的有源配电网多端差动保护方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1195775A (zh) * | 1997-12-23 | 1998-10-14 | 浙江大学 | 判别输电线路故障方向的方法及装置 |
JP5079214B2 (ja) * | 2005-03-02 | 2012-11-21 | 東北電力株式会社 | 配電線における事故方向判別装置 |
US7969155B2 (en) * | 2007-07-03 | 2011-06-28 | Thomas & Betts International, Inc. | Directional fault current indicator |
-
2012
- 2012-01-16 CN CN201280067228.1A patent/CN104054001B/zh active Active
- 2012-01-16 WO PCT/CN2012/070424 patent/WO2013106985A1/en active Application Filing
- 2012-01-16 IN IN4230CHN2014 patent/IN2014CN04230A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN104054001B (zh) | 2016-10-26 |
CN104054001A (zh) | 2014-09-17 |
WO2013106985A1 (en) | 2013-07-25 |
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