IT1148731B - Procedimento per controllare un dispositivo di protezione contro correnti di dispersione e dispositivo per effettuare detto procedimento - Google Patents

Procedimento per controllare un dispositivo di protezione contro correnti di dispersione e dispositivo per effettuare detto procedimento

Info

Publication number
IT1148731B
IT1148731B IT25642/80A IT2564280A IT1148731B IT 1148731 B IT1148731 B IT 1148731B IT 25642/80 A IT25642/80 A IT 25642/80A IT 2564280 A IT2564280 A IT 2564280A IT 1148731 B IT1148731 B IT 1148731B
Authority
IT
Italy
Prior art keywords
procedure
check
carry out
leakage currents
against leakage
Prior art date
Application number
IT25642/80A
Other languages
English (en)
Italian (it)
Other versions
IT8025642A0 (it
Inventor
Heribert Wilbertz
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IT8025642A0 publication Critical patent/IT8025642A0/it
Application granted granted Critical
Publication of IT1148731B publication Critical patent/IT1148731B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/33Emergency 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 using summation current transformers
    • H02H3/332Emergency 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 using summation current transformers with means responsive to dc component in the fault current
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/33Emergency 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 using summation current transformers
    • H02H3/334Emergency 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 using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335Emergency 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 using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT25642/80A 1979-10-30 1980-10-29 Procedimento per controllare un dispositivo di protezione contro correnti di dispersione e dispositivo per effettuare detto procedimento IT1148731B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2943725A DE2943725C2 (de) 1979-10-30 1979-10-30 Verfahren zur Prüfung einer Fehlerstromschutzeinrichtung mit einem Summenstromwandler und Einrichtungen zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
IT8025642A0 IT8025642A0 (it) 1980-10-29
IT1148731B true IT1148731B (it) 1986-12-03

Family

ID=6084686

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25642/80A IT1148731B (it) 1979-10-30 1980-10-29 Procedimento per controllare un dispositivo di protezione contro correnti di dispersione e dispositivo per effettuare detto procedimento

Country Status (2)

Country Link
DE (1) DE2943725C2 (de)
IT (1) IT1148731B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162391B (en) * 1984-06-04 1987-09-16 Shinko Electric Co Ltd Electric fault detection device
DE3537140A1 (de) * 1985-10-18 1987-04-23 Turck Werner Kg Selbstueberwachender fehlerstromschutzschalter
DE3634802A1 (de) * 1986-10-13 1988-04-21 Bbc Brown Boveri & Cie Einrichtung zur selektiven erfassung eines erdschlusses im rotorkreis einer elektrischen maschine
DE4112169C2 (de) * 1991-04-13 1994-03-10 Doepke & Co Schaltgeraetefabri Fehlerstrom-Überwachungseinrichtung
DE4220569A1 (de) * 1992-06-24 1994-01-05 Abb Patent Gmbh Prüfkreisanordnung für einen Fehlerstromschutzschalter
US5858547A (en) * 1994-07-06 1999-01-12 Alliedsignal, Inc. Novolac polymer planarization films for microelectronic structures
DE102004024100A1 (de) * 2004-05-14 2005-12-15 Siemens Ag Prüfeinrichtung für einen Fehlerstromschutzschalter
DE102010032031A1 (de) * 2010-07-21 2012-01-26 Siemens Aktiengesellschaft Schalter, insbesondere Leistungsschalter für Niederspannungen
DE102014210589A1 (de) * 2014-06-04 2015-12-17 Siemens Aktiengesellschaft Fehlerstromschutzanordnung, Ladevorrichtung sowie Verfahren zum Überprüfen einer Fehlerstromschutzeinrichtung
DE102017217267A1 (de) 2017-09-28 2018-07-26 Siemens Aktiengesellschaft Fehlerstromschutzschalter und Prüfstromkreis

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555221C2 (de) * 1975-12-09 1984-10-25 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zur Erfassung von Fehlerströmen beliebiger Art
DE7613154U1 (de) * 1976-04-27 1976-10-07 Brown, Boveri & Cie Ag, 6800 Mannheim Prüfeinrichtung für elektrische In-8ta»atlonsschalter, Insbesondere Fehlerstromschutzschalter
FR2377089A1 (fr) * 1977-01-06 1978-08-04 Chauvin Arnoux Sa Dispositif engendrant une rampe de courant alternatif pour la verification du declenchement d'un disjoncteur
DE2756012C3 (de) * 1977-12-15 1980-09-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gerät zur Prüfung der Maßnahme Fehlerstromschutzschaltung

Also Published As

Publication number Publication date
DE2943725A1 (de) 1981-05-14
DE2943725C2 (de) 1984-07-19
IT8025642A0 (it) 1980-10-29

Similar Documents

Publication Publication Date Title
IT1076568B (it) Imbottitura di protezione
IT1130104B (it) Dispositivo di protezione bipolare contro sovracorrenti particolarmente per apparecchi telefonici e simili
IT1094509B (it) Dispositivo di protezione contro le sovratensioni
JPS5471419A (en) Leakage protective device
SE423039B (sv) Skyddshjelm
SE8001519L (sv) Vermestralskydd
ES491909A0 (es) Un dispositivo de proteccion contra fugas a tierra
IT1148731B (it) Procedimento per controllare un dispositivo di protezione contro correnti di dispersione e dispositivo per effettuare detto procedimento
SE7803684L (sv) Overspenningsskydd
SE7901308L (sv) Slirskydd
SE406846B (sv) Tyristorkoppling med overspenningsskydd
IT1102731B (it) Struttura di protezione contro le valanghe
FI801866A (fi) Skyddsanordning
DK238677A (da) Skridsikringskaede
IT1115316B (it) Dispositivo di protezione contro le fughe di gas
IT1102960B (it) Dispositivo di protezione contro sovratensioni e suo impiego
DK433380A (da) Overspaendingsbeskyttelsesindretning
IT1135155B (it) Dispositivo di protezione contro le aggressioni
BR7901635A (pt) Dispositivo de para-raios
DK45877A (da) Solbeskyttelsespreparater
BR7901654A (pt) Dispositivo de para-raios
IT1102718B (it) Struttura di protezione contro le valanghe
SE7512025L (sv) Skydds- och utjemningsanordning for spridningsmaskin
ATA741576A (de) Lawinenschutzverbauung
DE3034324A1 (de) Overvoltage protection device