CH460139A - Residual current device with test circuit - Google Patents

Residual current device with test circuit

Info

Publication number
CH460139A
CH460139A CH243268A CH243268A CH460139A CH 460139 A CH460139 A CH 460139A CH 243268 A CH243268 A CH 243268A CH 243268 A CH243268 A CH 243268A CH 460139 A CH460139 A CH 460139A
Authority
CH
Switzerland
Prior art keywords
test circuit
current device
residual current
residual
test
Prior art date
Application number
CH243268A
Other languages
German (de)
Inventor
Hans-Josef Dipl Ing Huesmann
Original Assignee
Stotz Kontakt Gmbh
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 Stotz Kontakt Gmbh filed Critical Stotz Kontakt Gmbh
Publication of CH460139A publication Critical patent/CH460139A/en

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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • 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
    • H02H3/33—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 using summation current transformers
    • H02H3/334—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 using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 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
    • 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
    • H02H7/008—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 for protective arrangements according to this subclass
CH243268A 1967-02-22 1968-02-20 Residual current device with test circuit CH460139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST026525 1967-02-22

Publications (1)

Publication Number Publication Date
CH460139A true CH460139A (en) 1968-07-31

Family

ID=7461014

Family Applications (1)

Application Number Title Priority Date Filing Date
CH243268A CH460139A (en) 1967-02-22 1968-02-20 Residual current device with test circuit

Country Status (4)

Country Link
CH (1) CH460139A (en)
FR (1) FR1558647A (en)
NL (1) NL6802096A (en)
SE (1) SE343719B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378444B (en) * 1983-02-24 1985-08-12 Biegelmeier Gottfried CIRCUIT BREAKER WITH A NEUTRAL CONDUCTOR AND FAULT CURRENT TRIP
EP0575899A1 (en) * 1992-06-24 1993-12-29 ABBPATENT GmbH Test circuit device for a fault current protective circuit breaker

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096366A (en) * 1976-11-01 1978-06-20 General Electric Company Means for detecting a loss of vacuum in vacuum-type circuit interrupters used in polyphase a.c. vacuum circuit breaker
US5136458A (en) * 1989-08-31 1992-08-04 Square D Company Microcomputer based electronic trip system for circuit breakers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378444B (en) * 1983-02-24 1985-08-12 Biegelmeier Gottfried CIRCUIT BREAKER WITH A NEUTRAL CONDUCTOR AND FAULT CURRENT TRIP
EP0575899A1 (en) * 1992-06-24 1993-12-29 ABBPATENT GmbH Test circuit device for a fault current protective circuit breaker
EP0575898A1 (en) * 1992-06-24 1993-12-29 ABBPATENT GmbH Test circuit device for a fault current protective circuit breaker

Also Published As

Publication number Publication date
SE343719B (en) 1972-03-13
DE1588832A1 (en) 1970-11-26
NL6802096A (en) 1968-08-23
DE1588832B2 (en) 1972-09-07
FR1558647A (en) 1969-02-28

Similar Documents

Publication Publication Date Title
DE1804854B2 (en) ELECTRIC MEASURING DEVICE
CH481644A (en) Colotomy device
CH468145A (en) Electrical circuit assembly with cooling device
AT279726B (en) Transformer with step switch
DK122357B (en) Electrical connection device.
AT285760B (en) Magnetic device
FR1537908A (en) Electrical connection device
BR6803645D0 (en) ELECTRIC CIRCUITS
CH492277A (en) Electric control circuit with a test circuit
CH471472A (en) Integrated circuit
CH460957A (en) Circuit arrangement with several semiconductor elements
CH460139A (en) Residual current device with test circuit
AT299987B (en) Squeegee device
AT266970B (en) Resilient electrical contact device
AT324432B (en) INTEGRATED CIRCUIT
AT290657B (en) Switching device
NL149614B (en) ELECTRICAL COOLING DEVICE.
CH476421A (en) Circuit arrangement with transistors
CH468216A (en) Sorting device
CH474170A (en) Electrical installation device
AT288524B (en) Residual current circuit breaker with temperature monitoring
DE1791003B2 (en) MICROWAVE SWITCH DEVICE
BR6801786D0 (en) ELECTRIC CIRCUIT
CH466860A (en) Electrical switching device
GR33562B (en) CIRCUIT TEST.