CN108539716A - 一种基于暂态量的保护启动方法和装置 - Google Patents
一种基于暂态量的保护启动方法和装置 Download PDFInfo
- Publication number
- CN108539716A CN108539716A CN201810231425.1A CN201810231425A CN108539716A CN 108539716 A CN108539716 A CN 108539716A CN 201810231425 A CN201810231425 A CN 201810231425A CN 108539716 A CN108539716 A CN 108539716A
- Authority
- CN
- China
- Prior art keywords
- differential current
- phases
- current
- alternate
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810231425.1A CN108539716B (zh) | 2018-03-20 | 2018-03-20 | 一种基于暂态量的保护启动方法和装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810231425.1A CN108539716B (zh) | 2018-03-20 | 2018-03-20 | 一种基于暂态量的保护启动方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108539716A true CN108539716A (zh) | 2018-09-14 |
CN108539716B CN108539716B (zh) | 2019-07-23 |
Family
ID=63484315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810231425.1A Active CN108539716B (zh) | 2018-03-20 | 2018-03-20 | 一种基于暂态量的保护启动方法和装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108539716B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110058073A (zh) * | 2019-04-18 | 2019-07-26 | 国网上海市电力公司 | 一种基于周期信号暂态变化量的信号触发方法及装置 |
CN110927523A (zh) * | 2019-11-29 | 2020-03-27 | 国电南瑞科技股份有限公司 | 一种柔性直流配电网故障定位方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005051860A (ja) * | 2003-07-30 | 2005-02-24 | Tm T & D Kk | 保護継電装置 |
CN1645704A (zh) * | 2005-01-20 | 2005-07-27 | 长沙理工大学 | 配电网单相接地故障保护方法 |
CN101013809A (zh) * | 2007-02-14 | 2007-08-08 | 国网南京自动化研究院 | 高速采样的间断角闭锁差动保护数值方法 |
CN101329381A (zh) * | 2008-07-28 | 2008-12-24 | 庞元俊 | 利用电流变化率检测短路故障的方法 |
CN104362590A (zh) * | 2014-10-08 | 2015-02-18 | 许继集团有限公司 | 主变分侧差动保护公共绕组ct传变异常的识别方法 |
CN106451348A (zh) * | 2016-12-09 | 2017-02-22 | 上海山源电子科技股份有限公司 | 一种限流保护器短路保护方法及限流保护器 |
WO2017207535A1 (de) * | 2016-05-31 | 2017-12-07 | Siemens Aktiengesellschaft | Störlichtbogenerkennungseinheit |
-
2018
- 2018-03-20 CN CN201810231425.1A patent/CN108539716B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005051860A (ja) * | 2003-07-30 | 2005-02-24 | Tm T & D Kk | 保護継電装置 |
CN1645704A (zh) * | 2005-01-20 | 2005-07-27 | 长沙理工大学 | 配电网单相接地故障保护方法 |
CN101013809A (zh) * | 2007-02-14 | 2007-08-08 | 国网南京自动化研究院 | 高速采样的间断角闭锁差动保护数值方法 |
CN101329381A (zh) * | 2008-07-28 | 2008-12-24 | 庞元俊 | 利用电流变化率检测短路故障的方法 |
CN104362590A (zh) * | 2014-10-08 | 2015-02-18 | 许继集团有限公司 | 主变分侧差动保护公共绕组ct传变异常的识别方法 |
WO2017207535A1 (de) * | 2016-05-31 | 2017-12-07 | Siemens Aktiengesellschaft | Störlichtbogenerkennungseinheit |
CN106451348A (zh) * | 2016-12-09 | 2017-02-22 | 上海山源电子科技股份有限公司 | 一种限流保护器短路保护方法及限流保护器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110058073A (zh) * | 2019-04-18 | 2019-07-26 | 国网上海市电力公司 | 一种基于周期信号暂态变化量的信号触发方法及装置 |
CN110927523A (zh) * | 2019-11-29 | 2020-03-27 | 国电南瑞科技股份有限公司 | 一种柔性直流配电网故障定位方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108539716B (zh) | 2019-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Brahma et al. | Real-time identification of dynamic events in power systems using PMU data, and potential applications—models, promises, and challenges | |
CN103245879B (zh) | 基于暂态无功功率方向的小电流接地故障定位方法 | |
Lopes et al. | Fault location on transmission lines little longer than half-wavelength | |
Reche et al. | Data mining-based method to reduce multiple estimation for fault location in radial distribution systems | |
Radojevic et al. | Smart overhead lines autoreclosure algorithm based on detailed fault analysis | |
CN110907751B (zh) | 基于方向行波的直流配电网故障选线方法、装置和系统 | |
Cai et al. | A threshold free synchrophasor measurement based multi-terminal fault location algorithm | |
Wang et al. | Faulty feeder detection based on the integrated inner product under high impedance fault for small resistance to ground systems | |
CN108539716B (zh) | 一种基于暂态量的保护启动方法和装置 | |
CN109001592A (zh) | 一种基于暂态量的谐振接地系统单相接地故障选线方法 | |
Marchesan et al. | Method for distributed generation anti-islanding protection based on singular value decomposition and linear discrimination analysis | |
CN113176521A (zh) | 一种输配电系统单相接地故障检测方法 | |
Abd el-Ghany et al. | A faulted side identification scheme-based integrated distance protection for series-compensated transmission lines | |
CN103392132B (zh) | 用于测量电网中的电量的方法及系统 | |
Alwash et al. | New impedance‐based fault location method for unbalanced power distribution systems | |
Chen et al. | Locating sub-cycle faults in distribution network applying half-cycle DFT method | |
CN111722053A (zh) | 一种多能互补微电网故障快速识别方法及系统 | |
Sardari et al. | Fast & adaptive fault location technique for three-terminal lines | |
CN107516880B (zh) | 一种半波长输电线路假同步差动阻抗保护选相方法和装置 | |
CN113437732B (zh) | 一种光伏发电并网联络线纵联保护方法及系统 | |
Hwang et al. | Identification of interarea modes from an effectual impulse response of ringdown frequency data | |
CN115085163A (zh) | 低频输电线路的差动保护方法、系统、装置及存储介质 | |
Yaseen et al. | Transmission line protection using local information in the presence of inverter‐interfaced renewable energy sources | |
Liu et al. | Single-ended dc fault location method for mmc-based hvdc power system using adaptive multi-step levenberg-marquardt algorithm | |
Idris et al. | Wide Area Fault Location for Power Transmission Network using Reactance Based Method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221228 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. |