SE426104B - Apparat for metning och angivande av avstandet till en intreffad kortslutning eller liknande linjefel pa en vexelstromskraftlinje - Google Patents

Apparat for metning och angivande av avstandet till en intreffad kortslutning eller liknande linjefel pa en vexelstromskraftlinje

Info

Publication number
SE426104B
SE426104B SE8100748A SE8100748A SE426104B SE 426104 B SE426104 B SE 426104B SE 8100748 A SE8100748 A SE 8100748A SE 8100748 A SE8100748 A SE 8100748A SE 426104 B SE426104 B SE 426104B
Authority
SE
Sweden
Prior art keywords
impedance
relay
line
short circuit
limit
Prior art date
Application number
SE8100748A
Other languages
English (en)
Swedish (sv)
Other versions
SE8100748L (sv
Inventor
H Hoel
Original Assignee
Aktuell As
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 Aktuell As filed Critical Aktuell As
Publication of SE8100748L publication Critical patent/SE8100748L/xx
Publication of SE426104B publication Critical patent/SE426104B/sv

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
    • G01R31/085—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Locating Faults (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
SE8100748A 1979-05-31 1981-01-30 Apparat for metning och angivande av avstandet till en intreffad kortslutning eller liknande linjefel pa en vexelstromskraftlinje SE426104B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO791815A NO144612C (no) 1979-05-31 1979-05-31 Apparat for aa maale og anvise avstanden til en inntruffet kortslutning eller lignende linjefeil paa en vekselstroemkraftlinje

Publications (2)

Publication Number Publication Date
SE8100748L SE8100748L (sv) 1981-01-30
SE426104B true SE426104B (sv) 1982-12-06

Family

ID=19884890

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8100748A SE426104B (sv) 1979-05-31 1981-01-30 Apparat for metning och angivande av avstandet till en intreffad kortslutning eller liknande linjefel pa en vexelstromskraftlinje

Country Status (5)

Country Link
EP (1) EP0029439A1 (no)
FI (1) FI801723A (no)
NO (1) NO144612C (no)
SE (1) SE426104B (no)
WO (1) WO1980002748A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605025C2 (de) * 1996-01-31 2003-06-18 Siemens Ag Distanzschutzverfahren
GB9916383D0 (en) * 1999-07-14 1999-09-15 Equipmake Ltd Power line isolation system
RU2615150C1 (ru) * 2016-02-16 2017-04-04 Степан Георгиевич Тигунцев Способ определения места короткого замыкания на многоцепной с грозозащитными тросами, заземленными на анкерных опорах, трехфазной воздушной линии электропередачи с распределенными параметрами
CN113109671B (zh) * 2021-04-30 2022-07-19 武汉大学 一种加速故障电流小半波阶段检测的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112136C3 (de) * 1971-03-10 1986-02-13 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum genauen Messen des Fehlerortes bei Leitungskurzschlüssen
FR2160306B1 (no) * 1971-11-19 1974-05-10 Schlumberger Compteurs

Also Published As

Publication number Publication date
NO791815L (no) 1980-12-02
FI801723A (fi) 1980-12-01
NO144612B (no) 1981-06-22
EP0029439A1 (en) 1981-06-03
SE8100748L (sv) 1981-01-30
NO144612C (no) 1981-09-30
WO1980002748A1 (en) 1980-12-11

Similar Documents

Publication Publication Date Title
US3993984A (en) Electronic underfrequency relay
US4421976A (en) System for monitoring heater elements of electric furnaces
CN110456157A (zh) 一种绝缘阻抗检测方法与装置
SE426104B (sv) Apparat for metning och angivande av avstandet till en intreffad kortslutning eller liknande linjefel pa en vexelstromskraftlinje
US3916309A (en) Short circuit capacity measuring device
SE466172B (sv) Anordning foer bildande av en mot en anordningen tillfoerd storhet svarande stroem
CN111722148B (zh) 一种电流采样电阻电路的故障诊断系统
US4081854A (en) Meter protection circuit
US4968944A (en) Apparatus for detecting malfunctions of a single electrical device in a group of electrical devices, and methods of constructing and utilizing same
CN114384302A (zh) 一种电源自适应负载检测及保护电路
KR200260919Y1 (ko) 차단기의온도감지및자동트립장치
CN220440413U (zh) 并机装置及储能系统
US4233598A (en) Emergency stop circuit monitoring system
JPH02232568A (ja) ４線式抵抗測定装置
US4972153A (en) Apparatus for detecting a plurality of energy levels in a conductor
CN214011774U (zh) 一种通讯电路及通讯系统
CN214122746U (zh) 一种融合智能控制终端
KR20000025905A (ko) 변류기의 과전류 또는 결상에 의한 모터 보호 회로장치
JPS632881Y2 (no)
CN210720542U (zh) 一种改良万用表
SU1636808A2 (ru) Устройство дл контрол монтажа печатных плат
JP2818422B2 (ja) 不足電圧検出回路
SU1173357A1 (ru) Устройство дл обнаружени мест повреждений в электрических кабел х
SU1418786A1 (ru) Устройство дл контрол светосигнальных ламп
SU1684746A1 (ru) Устройство дл контрол исправности релейной защиты

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8100748-6

Effective date: 19890525

Format of ref document f/p: F