FI20160137A - Vikavirtaindikaattori - Google Patents

Vikavirtaindikaattori

Info

Publication number
FI20160137A
FI20160137A FI20160137A FI20160137A FI20160137A FI 20160137 A FI20160137 A FI 20160137A FI 20160137 A FI20160137 A FI 20160137A FI 20160137 A FI20160137 A FI 20160137A FI 20160137 A FI20160137 A FI 20160137A
Authority
FI
Finland
Prior art keywords
felströmindikator
Prior art date
Application number
FI20160137A
Other languages
English (en)
Swedish (sv)
Other versions
FI126892B (fi
Inventor
Seppo Pettisalo
Original Assignee
Emtele 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 Emtele Oy filed Critical Emtele Oy
Priority to FI20160137A priority Critical patent/FI126892B/fi
Priority to PCT/FI2017/050382 priority patent/WO2017203099A1/en
Priority to EA201892650A priority patent/EA036979B1/ru
Priority to US16/303,732 priority patent/US11428726B2/en
Priority to CN201780042805.4A priority patent/CN109478778B/zh
Priority to EP17735180.6A priority patent/EP3465860A1/en
Application granted granted Critical
Publication of FI126892B publication Critical patent/FI126892B/fi
Publication of FI20160137A publication Critical patent/FI20160137A/fi

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
    • H02H7/267—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 parallel lines and wires
    • 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
    • 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
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • 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
    • 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
    • H02H3/26—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
    • H02H3/34—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 of a three-phase system
    • H02H3/343—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 of a three-phase system using phase sequence analysers
    • 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
FI20160137A 2016-05-23 2016-05-23 Vikavirtaindikaattori FI126892B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20160137A FI126892B (fi) 2016-05-23 2016-05-23 Vikavirtaindikaattori
PCT/FI2017/050382 WO2017203099A1 (en) 2016-05-23 2017-05-23 Method and apparatus for detecting faults in a three-phase electrical distribution network
EA201892650A EA036979B1 (ru) 2016-05-23 2017-05-23 Способ и устройство для обнаружения коротких замыканий в трехфазной электрической распределительной сети
US16/303,732 US11428726B2 (en) 2016-05-23 2017-05-23 Method and apparatus for detecting faults in a three-phase electrical distribution network
CN201780042805.4A CN109478778B (zh) 2016-05-23 2017-05-23 用于检测三相配电网络中的故障的方法和装置
EP17735180.6A EP3465860A1 (en) 2016-05-23 2017-05-23 Method and apparatus for detecting faults in a three-phase electrical distribution network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20160137A FI126892B (fi) 2016-05-23 2016-05-23 Vikavirtaindikaattori

Publications (2)

Publication Number Publication Date
FI126892B FI126892B (fi) 2017-07-31
FI20160137A true FI20160137A (fi) 2017-07-31

Family

ID=59276785

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20160137A FI126892B (fi) 2016-05-23 2016-05-23 Vikavirtaindikaattori

Country Status (6)

Country Link
US (1) US11428726B2 (fi)
EP (1) EP3465860A1 (fi)
CN (1) CN109478778B (fi)
EA (1) EA036979B1 (fi)
FI (1) FI126892B (fi)
WO (1) WO2017203099A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019139973A1 (en) * 2018-01-09 2019-07-18 Rensselaer Polytechnic Institute Temporary overvoltage and ground fault overvoltage protection based on arrester current measurement and analysis
CN109361199B (zh) * 2018-10-10 2023-10-20 国网浙江省电力有限公司台州供电公司 用于光伏电站送出线上过渡电阻接地故障的保护方法
AU2019271971A1 (en) 2018-12-14 2020-07-02 Smart Wires Inc. Fast post-fault phase reactance balancing
CN112649694B (zh) * 2019-10-12 2023-11-17 南京南瑞继保电气有限公司 一种小电流接地系统单相接地故障的判定方法
PL241323B1 (pl) * 2019-11-05 2022-09-12 Apator Elkomtech Spolka Akcyjna Sposób i system dla sieci energetycznej średniego napięcia SN do lokalizacji i redukcji skutków awarii
TWI699061B (zh) * 2020-02-06 2020-07-11 士林電機廠股份有限公司 具母線電流偵測及短路保護的方法及其裝置
CN111884183A (zh) * 2020-07-20 2020-11-03 天津大学 一种花瓣状配电网主干线的自适应正序电流速断保护方法
EP3993204B1 (en) * 2020-10-28 2023-09-27 Katholieke Universiteit Leuven Determining a fault location on a powerline
CN113762230B (zh) * 2021-11-10 2022-02-15 广东电网有限责任公司佛山供电局 一种电缆隧道附属设施故障自动化识别方法及相关装置
FI130150B (fi) * 2022-02-11 2023-03-15 Safegrid Oy Menetelmä ja laite vian havaitsemiseksi jakeluverkossa
CN115513917A (zh) * 2022-10-18 2022-12-23 国网福建省电力有限公司 一种含分布式电源配电网的综合电流幅值差动保护新方法
CN117559372B (zh) * 2024-01-11 2024-03-12 珠海菲森电力科技有限公司 小电流接地系统的单相接地保护方法、装置、设备和介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES476633A1 (es) 1978-01-12 1979-12-01 Westinghouse Electric Corp Un aparato revelador perfeccionado.
JP2633637B2 (ja) * 1988-08-05 1997-07-23 株式会社日立製作所 対称分保護リレー
FR2687860B1 (fr) * 1992-02-25 1995-05-05 Thierry Rahban Neutralisation des surtensions generees dans les bobinages de phase par la reaction magnetique d'induit.
JPH0833318A (ja) 1994-07-14 1996-02-02 Nissin Electric Co Ltd 高調波検出器
JP3218163B2 (ja) 1995-06-01 2001-10-15 株式会社戸上電機製作所 地絡事故検出方法
JPH11355955A (ja) 1998-06-05 1999-12-24 Toko Electric Co Ltd 多分岐配電線における地絡検出装置
CN1141767C (zh) * 2000-03-30 2004-03-10 华中理工大学 小电流接地系统接地保护方法
CN1180272C (zh) * 2001-11-28 2004-12-15 淄博科汇电气有限公司 电力系统小电流接地故障选线、分段方法
FI115488B (fi) 2003-10-22 2005-05-13 Abb Oy Menetelmä ja laitteisto katkeilevan maasulun tunnistamiseksi sähkönjakeluverkossa
FR2959618B1 (fr) * 2010-04-30 2012-04-20 Schneider Electric Ind Sas Identification et detection directionnelle d'un defaut dans un reseau triphase.
CN103261900B (zh) * 2010-11-05 2015-08-05 西门子公司 对三相供电网的单侧供电的供电线的接地短路进行监视的方法和电力保护设备
EP2544014A1 (en) 2011-07-05 2013-01-09 ABB Technology AG A method of selecting between faulted and healthy circuits in parallel lines using one-end measurements
EP2544322A1 (en) 2011-07-05 2013-01-09 ABB Technology AG A method of selecting between internal and external faults in parallel lines using one-end measurements
CN102590646A (zh) 2012-02-15 2012-07-18 上海大学 一种基于相序滤波器的正序、负序与谐波电流检测方法
FR2993670B1 (fr) * 2012-07-20 2014-07-11 Schneider Electric Ind Sas Detection directionnelle de defaut terre sensible moyenne tension par correlation lineaire
EP2752674B1 (en) * 2013-01-03 2018-09-26 ABB Schweiz AG A detection method of a ground fault in an electric power distribution network
CN104502802A (zh) * 2014-12-24 2015-04-08 国家电网公司 输电线路雷击故障及雷击故障类型的识别方法及系统
CN104569729B (zh) 2015-01-29 2019-05-31 深圳市科陆电子科技股份有限公司 基于故障指示器的配电网单相接地故障检测方法及系统

Also Published As

Publication number Publication date
WO2017203099A1 (en) 2017-11-30
FI126892B (fi) 2017-07-31
EP3465860A1 (en) 2019-04-10
CN109478778A (zh) 2019-03-15
EA036979B1 (ru) 2021-01-21
CN109478778B (zh) 2020-04-14
US11428726B2 (en) 2022-08-30
US20200341046A1 (en) 2020-10-29
EA201892650A1 (ru) 2019-06-28

Similar Documents

Publication Publication Date Title
DK3405050T3 (da) Børnesikret snusbeholder
DK3436823T3 (da) Antigen-array
FI20160137A (fi) Vikavirtaindikaattori
DK3445708T3 (da) Stigbøjle
DK3402792T3 (da) Quinolin-2-on-derivater
DK3335532T3 (da) Tandharve
DK3509963T3 (da) Pallecontainer
FI20165213A (fi) Hyperspektrikuvausjärjestely
FI20165164A (fi) Kellukekone
DK3528829T3 (da) Bacitracin-alginat-oligomer-konjugater
DK3575238T3 (da) Pallecontainer
FI20165299A (fi) Henkilönostin
DE112017006386A5 (de) Schraubarbeitszylinder
DE112017000734A5 (de) Glycolsensor
DK3471535T3 (da) Dyrelift
DK3323708T3 (da) Bovfender
DK3452590T3 (da) Plademagnet
DK3452587T3 (da) Penicillin-g-acylaser
DK3295800T3 (da) Sandwichkiksindretning
DE112017006474A5 (de) Gargerätevorrichtung
DK3551954T3 (da) Rekuperator
DE112017005767A5 (de) Nasslaufende lamellenkupplung
DK3468607T3 (da) Resveratrolsolubilisat
DK3430609T3 (da) Smartflag
DE112017000296A5 (de) Radgeschwindigkeitssensorvorrichtung

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 126892

Country of ref document: FI

Kind code of ref document: B