NO983079D0 - Detektering av en h°y-motstandsjordfeil i et kraftnett - Google Patents

Detektering av en h°y-motstandsjordfeil i et kraftnett

Info

Publication number
NO983079D0
NO983079D0 NO983079A NO983079A NO983079D0 NO 983079 D0 NO983079 D0 NO 983079D0 NO 983079 A NO983079 A NO 983079A NO 983079 A NO983079 A NO 983079A NO 983079 D0 NO983079 D0 NO 983079D0
Authority
NO
Norway
Prior art keywords
phasor
network
zero
phase leg
measured
Prior art date
Application number
NO983079A
Other languages
English (en)
Other versions
NO314964B1 (no
NO983079L (no
Inventor
Matti Lehtonen
Original Assignee
Abb Transmit Oy
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 Abb Transmit Oy filed Critical Abb Transmit Oy
Publication of NO983079D0 publication Critical patent/NO983079D0/no
Publication of NO983079L publication Critical patent/NO983079L/no
Publication of NO314964B1 publication Critical patent/NO314964B1/no

Links

Classifications

    • 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
    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for AC systems
    • H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems
    • 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
    • H02H3/40—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 ratio of voltage and current
    • H02H3/402—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 ratio of voltage and current using homopolar quantities
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Luminescent Compositions (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Saccharide Compounds (AREA)
  • Air Bags (AREA)
  • Power Conversion In General (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Interface Circuits In Exchanges (AREA)
NO19983079A 1996-11-04 1998-07-02 Detektering av en höymodulsfeil i et kraftnett NO314964B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI964431A FI100922B (fi) 1996-11-04 1996-11-04 Menetelmä sähkönjakeluverkon suuriresistanssisen maasulkuvian havaitse miseksi ja paikallistamiseksi
PCT/FI1997/000599 WO1998020356A1 (en) 1996-11-04 1997-10-03 Method of detecting and locating a high-resistance earth fault in an electric power network

Publications (3)

Publication Number Publication Date
NO983079D0 true NO983079D0 (no) 1998-07-02
NO983079L NO983079L (no) 1998-08-27
NO314964B1 NO314964B1 (no) 2003-06-16

Family

ID=8547002

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19983079A NO314964B1 (no) 1996-11-04 1998-07-02 Detektering av en höymodulsfeil i et kraftnett

Country Status (9)

Country Link
EP (1) EP0876620B1 (no)
JP (1) JP2000503403A (no)
CN (1) CN1099037C (no)
AT (1) ATE268913T1 (no)
AU (1) AU4462597A (no)
DE (1) DE69729439T2 (no)
FI (1) FI100922B (no)
NO (1) NO314964B1 (no)
WO (1) WO1998020356A1 (no)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI109246B (fi) * 1998-06-02 2002-06-14 Abb Oy Menetelmä ja laitteisto viallisen johtolähdön tunnistamiseksi sähkönjakeluverkon maasulkutilanteessa
FI108168B (fi) * 2000-03-27 2001-11-30 Abb Substation Automation Oy Menetelmä sähköverkon lähdön sähköisen eristystilan määrittämiseksi
FI108893B (fi) * 2000-09-22 2002-04-15 Abb Substation Automation Oy Menetelmä sähköverkon vikaantumassa olevan tai viallisen lähdön tai haaran ilmaisemiseksi
DE10307972B4 (de) * 2003-02-24 2007-02-08 Edc Gmbh Verfahren zur Erkennung und Ortung von niederohmigen und hochohmigen Erdschlüssen in elektrischen Versorgungsnetzen
FI115488B (fi) * 2003-10-22 2005-05-13 Abb Oy Menetelmä ja laitteisto katkeilevan maasulun tunnistamiseksi sähkönjakeluverkossa
FI118491B (fi) * 2005-06-29 2007-11-30 Abb Oy Menetelmä ja järjestelmä maasulkuvian sijainnin määrittämiseksi
CN100581020C (zh) * 2007-04-24 2010-01-13 北京四方继保自动化股份有限公司 利用零序环回功能实现线路高阻快速跳闸的方法
EP2639914B1 (en) * 2012-03-16 2015-07-22 ABB Technology AG Method and apparatus for adapting earth-fault protection settings in a three-phase electric network
CN102928737A (zh) * 2012-11-01 2013-02-13 航天科工深圳（集团）有限公司 一种故障检测系统及方法
CN103852688B (zh) * 2012-11-30 2016-11-16 施耐德电器工业公司 用于确定接地故障的位置的方法和设备
CN103278741B (zh) * 2013-05-10 2015-11-04 国家电网公司 一种山火引起输电线路单相高阻接地故障诊断方法
CN104345197B (zh) * 2013-07-24 2017-09-15 施耐德电器工业公司 在单相接地故障时估计零序电压的角度的方法及设备
CN103472360B (zh) * 2013-09-12 2016-05-25 深圳供电局有限公司 一种电网继电保护隐性故障远程监测定位装置
DE102014204038A1 (de) * 2014-03-05 2015-09-10 Bender Gmbh & Co. Kg Verfahren und Vorrichtungen zur selektiven Isolationsüberwachung in ungeerdeten IT-Stromversorgungssystemen
FR3026492B1 (fr) * 2014-09-29 2016-10-28 Schneider Electric Ind Sas Detection directionnelle de defaut terre dans un reseau de distribution electrique
CN104764978B (zh) * 2015-03-26 2017-08-25 河海大学 一种单相接地故障选相及过渡电阻测量方法
WO2017181268A1 (en) * 2016-04-22 2017-10-26 Hooshyar Ali Methods and apparatus for detecting faults using a negative-sequence directional relay
CN105911434B (zh) * 2016-07-01 2018-10-19 清华大学 多谐波源干扰下的配电网高阻接地故障检测方法
CN108267671B (zh) * 2017-12-29 2019-10-29 华中科技大学 一种电网高阻接地故障检测方法及系统
CN108448562B (zh) * 2018-05-25 2024-05-28 云南电网有限责任公司电力科学研究院 一种基于单相接地故障的电流全补偿方法及系统
CN108982954B (zh) * 2018-06-28 2020-09-25 国网智能科技股份有限公司 适用于馈线终端的计算相电压幅值与相位的方法及系统
CN109239530A (zh) * 2018-10-11 2019-01-18 国网山东省电力公司东营供电公司 一种中压配电系统故障选线方法、处理器及装置
CN110571769B (zh) * 2019-03-19 2021-10-22 许继集团有限公司 一种用于输电线路的差动保护方法及装置
CN113687267B (zh) * 2021-09-14 2023-08-04 广东电网有限责任公司 一种高阻接地故障方向检测方法、系统、设备及存储介质
CN114966326B (zh) * 2022-08-01 2022-11-11 国家电网有限公司 基于电流负序故障的单相接地故障区段定位方法及系统
CN115219947B (zh) * 2022-08-08 2025-04-29 清华大学 并网光伏变压器绕组高阻接地故障定位检测方法及装置
CN115144703B (zh) * 2022-08-31 2022-11-15 南京邮电大学 基于零序差分电流和能量矩指标的高阻接地故障识别方法
CN119267789B (zh) * 2023-07-07 2025-12-16 中国石油化工股份有限公司 一种用于lng装卸场所的静电安全控制系统和方法

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Publication number Priority date Publication date Assignee Title
SE450675B (sv) * 1984-11-19 1987-07-13 Klaus Winter Anordning for overvakning av netparametrarna dempning, osymmetrigrad och snedavstemningsgrad i impedansjordade kraftnet
DE4140556C2 (de) * 1991-12-09 1995-07-06 Siemens Ag Erdschlußschutzgerät für ein Drehstromnetz
SE469811B (sv) * 1992-03-20 1993-09-13 Asea Brown Boveri Förfarande för fasval för enpolig utlösning av högimpediva jordfel i direktjordade kraftnät samt anordning för genomförande av det nämnda förfarandet
CA2108442C (en) * 1992-10-16 2000-04-25 Jeffrey B. Roberts Fault identification system for use in protective relays for power transmission lines
CA2184091A1 (en) * 1994-02-28 1995-09-08 Damir Novosel One-terminal data fault location system

Also Published As

Publication number Publication date
NO314964B1 (no) 2003-06-16
JP2000503403A (ja) 2000-03-21
EP0876620B1 (en) 2004-06-09
CN1207176A (zh) 1999-02-03
ATE268913T1 (de) 2004-06-15
AU4462597A (en) 1998-05-29
FI964431A0 (fi) 1996-11-04
FI100922B (fi) 1998-03-13
CN1099037C (zh) 2003-01-15
NO983079L (no) 1998-08-27
DE69729439T2 (de) 2005-06-09
DE69729439D1 (de) 2004-07-15
WO1998020356A1 (en) 1998-05-14
EP0876620A1 (en) 1998-11-11

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