DK3460936T3 - Differentialbeskyttelsesfremgangsmåde til transmissionsledning til nyt energiværk på basis af strømkurveformssimilaritet - Google Patents

Differentialbeskyttelsesfremgangsmåde til transmissionsledning til nyt energiværk på basis af strømkurveformssimilaritet Download PDF

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Publication number
DK3460936T3
DK3460936T3 DK17891483.4T DK17891483T DK3460936T3 DK 3460936 T3 DK3460936 T3 DK 3460936T3 DK 17891483 T DK17891483 T DK 17891483T DK 3460936 T3 DK3460936 T3 DK 3460936T3
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DK
Denmark
Prior art keywords
transmission line
new energy
protection method
differential protection
energy plant
Prior art date
Application number
DK17891483.4T
Other languages
English (en)
Inventor
Tianshu Bi
Yanbin Li
Ke Jia
Qixun Yang
Original Assignee
Univ North China Electric Power
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ North China Electric Power filed Critical Univ North China Electric Power
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Publication of DK3460936T3 publication Critical patent/DK3460936T3/da

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Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
DK17891483.4T 2017-01-10 2017-05-11 Differentialbeskyttelsesfremgangsmåde til transmissionsledning til nyt energiværk på basis af strømkurveformssimilaritet DK3460936T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710017380.3A CN106786424B (zh) 2017-01-10 2017-01-10 基于电流波形相似度的新能源场站送出线路纵联保护方法
PCT/CN2017/083926 WO2018129842A1 (zh) 2017-01-10 2017-05-11 基于电流波形相似度的新能源场站送出线路纵联保护方法

Publications (1)

Publication Number Publication Date
DK3460936T3 true DK3460936T3 (da) 2023-08-14

Family

ID=58947447

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17891483.4T DK3460936T3 (da) 2017-01-10 2017-05-11 Differentialbeskyttelsesfremgangsmåde til transmissionsledning til nyt energiværk på basis af strømkurveformssimilaritet

Country Status (4)

Country Link
EP (1) EP3460936B1 (da)
CN (1) CN106786424B (da)
DK (1) DK3460936T3 (da)
WO (1) WO2018129842A1 (da)

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CN117254441A (zh) * 2023-11-16 2023-12-19 昆明理工大学 基于主动干预式有源电压补偿的配电网接地故障熄弧方法

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CN107978504B (zh) * 2017-12-31 2024-04-12 中国电子科技集团公司第十二研究所 一种磁控管能量输出器及包括该能量输出器的磁控管
CN108616112A (zh) * 2018-05-07 2018-10-02 华北电力大学 一种基于暂态电流相似度的柔性直流配电线路保护方法
CN109494697B (zh) * 2019-01-08 2022-08-12 华北电力大学 一种基于余弦相似度的新能源场站多端纵联保护的方法
CN109449899B (zh) * 2019-01-14 2020-02-18 华北电力大学 一种基于斯皮尔曼等级相关系数的纵联保护方法
CN109787197B (zh) * 2019-01-15 2020-02-07 三峡大学 基于Bhattacharyya距离算法的线路纵联保护方法
CN110161358A (zh) * 2019-04-30 2019-08-23 云南电网有限责任公司电力科学研究院 一种接地故障定位方法及装置
CN110112715B (zh) * 2019-05-27 2021-08-31 三峡大学 基于线路两侧电流采样值离散Fréchet距离的纵联保护方法
CN110165644B (zh) * 2019-06-03 2021-01-01 华北电力大学 一种基于暂态电流时频特性的新能源场站纵联保护方法
CN110504662A (zh) * 2019-07-10 2019-11-26 山东科技大学 双馈风电场送出线路的纵联差动保护方法
CN110492448A (zh) * 2019-07-11 2019-11-22 华北电力大学 适用于新能源场站送出线路的距离保护方法
CN110829388B (zh) * 2019-11-14 2021-10-26 国网湖南省电力有限公司 双馈风电场的单相接地故障判定方法及其重合闸方法
CN110880743B (zh) * 2019-12-02 2021-03-26 华北电力大学 一种基于肯德尔秩相关性的风电场站送出线路纵联保护方法
CN113054633B (zh) * 2019-12-27 2022-09-16 南京理工大学 储能电站接入配电网的限时电流速断保护定值优化方法
CN111751659B (zh) * 2020-06-29 2021-12-14 深圳供电局有限公司 基于电网故障录波图判断录波器零相电流接线方法及系统
CN111756025A (zh) * 2020-06-29 2020-10-09 深圳供电局有限公司 基于电网故障录波图来判断线路差动保护动作方法及系统
CN111896890B (zh) * 2020-08-06 2021-10-08 山东大学 基于希尔伯特-黄变换的微电网线路故障诊断方法及系统
CN111987699B (zh) * 2020-08-18 2021-08-27 广东电网有限责任公司电力调度控制中心 一种交流线路的电流差动保护数据同步方法及相关装置
US10985558B1 (en) * 2020-08-24 2021-04-20 North China Electric Power University Structural similarity based pilot protection method and system for renewable power transmission line
CN112083284B (zh) * 2020-09-07 2021-10-12 昆明理工大学 一种风电场集电线路故障区段与故障分支识别方法
CN111934285A (zh) * 2020-09-10 2020-11-13 桂林五环电器制造有限公司 一种干式空心电抗器匝间短路保护方法和装置
CN112271709B (zh) * 2020-11-06 2022-09-13 国网甘肃省电力公司电力科学研究院 一种适用于风电场送出线路的时域距离保护方法
CN112557961B (zh) * 2020-11-06 2023-03-21 国网河南省电力公司电力科学研究院 一种双馈风电场送出线故障判别方法
CN112865032B (zh) * 2021-01-13 2023-09-15 国网安徽省电力有限公司 适应5g通信网络的配电网分布式差动保护方法及系统
CN113036729B (zh) * 2021-04-12 2022-07-12 华中科技大学 基于欧氏距离和pearson相似度的差动保护方法、装置及系统
CN113433456B (zh) * 2021-06-25 2022-11-01 西安热工研究院有限公司 一种基于电流波形相似度的发电机故障诊断系统及方法
CN113488964B (zh) * 2021-07-27 2023-02-21 西安热工研究院有限公司 电气量保护高速永磁风力发电机、出线电缆的系统及方法
CN113625190B (zh) * 2021-08-02 2022-09-02 国网江苏省电力有限公司镇江供电分公司 110kV线路断线故障自适应识别及保护方法
CN113866557B (zh) * 2021-09-25 2023-08-15 太原理工大学 一种基于零模电流相关性的单极接地选线方法
CN113848429B (zh) * 2021-10-15 2023-07-18 国网陕西省电力公司电力科学研究院 一种配电网单相断线故障保护方法及系统
CN114200348B (zh) * 2021-12-06 2023-07-04 云南电网有限责任公司保山供电局 一种稳控装置线路跳闸判别方法和系统
CN114156849A (zh) * 2021-12-10 2022-03-08 广西电网有限责任公司钦州供电局 一种基于电流波形相关度的高压输电线路纵联保护方法
CN114498586B (zh) * 2022-01-29 2022-11-29 河海大学 一种针对高比例波动性电源的电网电流保护整定方法及装置
CN114629089B (zh) * 2022-03-14 2023-02-03 四川大学 适用于柔性直流输电线路的单端量波形相似度保护方法
CN114966323B (zh) * 2022-06-23 2023-06-02 中国电力科学研究院有限公司 一种基于全时域突变信息的故障识别方法及系统
CN116029152B (zh) * 2023-02-15 2024-05-10 国网冀北电力有限公司电力科学研究院 新能源场站的保护适应性确定方法及装置
CN116466154B (zh) * 2023-03-23 2023-12-29 国能大渡河流域水电开发有限公司 故障诊断方法、装置、存储介质及电子设备
CN117410947B (zh) * 2023-12-14 2024-04-12 国网天津市电力公司电力科学研究院 一种用于新能源场站并网线路的差动保护方法
CN117706281B (zh) * 2024-02-05 2024-06-07 昆明理工大学 基于相不对称的配电网的故障选线方法、系统及存储介质

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CN117254441A (zh) * 2023-11-16 2023-12-19 昆明理工大学 基于主动干预式有源电压补偿的配电网接地故障熄弧方法
CN117254441B (zh) * 2023-11-16 2024-01-26 昆明理工大学 基于主动干预式有源电压补偿的配电网接地故障熄弧方法

Also Published As

Publication number Publication date
CN106786424B (zh) 2018-11-27
EP3460936B1 (en) 2023-07-26
WO2018129842A1 (zh) 2018-07-19
EP3460936A4 (en) 2020-01-15
EP3460936A1 (en) 2019-03-27
CN106786424A (zh) 2017-05-31

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