SE8802742L - Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem - Google Patents

Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem

Info

Publication number
SE8802742L
SE8802742L SE8802742A SE8802742A SE8802742L SE 8802742 L SE8802742 L SE 8802742L SE 8802742 A SE8802742 A SE 8802742A SE 8802742 A SE8802742 A SE 8802742A SE 8802742 L SE8802742 L SE 8802742L
Authority
SE
Sweden
Prior art keywords
equipment
distribution system
electrical distribution
isolated electrical
detecting background
Prior art date
Application number
SE8802742A
Other languages
English (en)
Other versions
SE461944B (sv
SE8802742D0 (sv
Inventor
R Wictor
Original Assignee
Sydkraft Ab
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 Sydkraft Ab filed Critical Sydkraft Ab
Priority to SE8802742A priority Critical patent/SE461944B/sv
Publication of SE8802742D0 publication Critical patent/SE8802742D0/sv
Publication of SE8802742L publication Critical patent/SE8802742L/sv
Publication of SE461944B publication Critical patent/SE461944B/sv

Links

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
    • H02H3/16—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
    • G01R31/025—
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
SE8802742A 1988-07-28 1988-07-28 Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem SE461944B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8802742A SE461944B (sv) 1988-07-28 1988-07-28 Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802742A SE461944B (sv) 1988-07-28 1988-07-28 Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem

Publications (3)

Publication Number Publication Date
SE8802742D0 SE8802742D0 (sv) 1988-07-28
SE8802742L true SE8802742L (sv) 1990-01-29
SE461944B SE461944B (sv) 1990-04-09

Family

ID=20372982

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8802742A SE461944B (sv) 1988-07-28 1988-07-28 Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem

Country Status (1)

Country Link
SE (1) SE461944B (sv)

Also Published As

Publication number Publication date
SE461944B (sv) 1990-04-09
SE8802742D0 (sv) 1988-07-28

Similar Documents

Publication Publication Date Title
NO173076C (no) Fremgangsmaate og innretning til lokalisering av jordslutning av en leder i et trefasenett
US4626772A (en) Process and device for determining a parameter associated with a faulty electric conductor, using a composite monitoring signal
ES8402429A1 (es) Un metodo para detectar un fallo de una fase a tierra en un sistema de energia electrica trifasica, y un aparato correspondiente.
MY143617A (en) Measuring devices
EP0369577A3 (en) Apparatus for providing distance protection and distance measurement for a high voltage transmission line
ZA923657B (en) Isolation monitoring and measuring device for an electrical power system with isolated neutral
ES8704048A1 (es) Circuito de interface de energia para suministrar energia electrica
SE9103798L (sv) Foerfarande och anordning foer att detektera ett oeverslag mellan ledare i kraftoeverfoeringslinjer med olika spaenningsnivaaer
GB1522534A (en) Ground-fault detection system
SE8500641L (sv) Skyddsrele
GB1506451A (en) Airfield lighting circuits
SE8802742L (sv) Utrustning foer detektering av bakmatade jordfel i isolerade eldistributionssystem
NO953608L (no) Fremgangsmåte og apparat for effektmåling
SE7706002L (sv) Detekteringskoppling for fjerrutlosningsapparater
GB1375764A (sv)
US3961224A (en) Transient-free isolation monitor
JPS5946867A (ja) 微地絡点探査方式
EP0176995A3 (en) Connecting device for the cable of a measuring or testing apparatus
JPS5240746A (en) Failure point measuring method
JPS5290048A (en) Fault point detection system for disconnection of high voltage power transmission lines
ES8206090A1 (es) Perfeccionamientos en interruptores de proteccion de co- rriente de defecto universal para instalaciones electricas
SU1029101A1 (ru) Устройство дл контрол изол ции сети посто нного тока
SU996954A1 (ru) Устройство дл измерени сопротивлени между фазным и занул ющим проводом
SU1612347A1 (ru) Устройство дл определени фазы с пониженным сопротивлением изол ции в трехфазной электрической сети с изолированной нейтралью
SU655994A1 (ru) Устройство дл обнаружени однофазных замыканий на землю

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8802742-0

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8802742-0

Format of ref document f/p: F