AT305421B - Detector circuit, in particular residual current protection circuit - Google Patents

Detector circuit, in particular residual current protection circuit

Info

Publication number
AT305421B
AT305421B AT1041168A AT1041168A AT305421B AT 305421 B AT305421 B AT 305421B AT 1041168 A AT1041168 A AT 1041168A AT 1041168 A AT1041168 A AT 1041168A AT 305421 B AT305421 B AT 305421B
Authority
AT
Austria
Prior art keywords
circuit
residual current
current protection
particular residual
protection circuit
Prior art date
Application number
AT1041168A
Other languages
German (de)
Inventor
Heinz Zimmermann
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Application granted granted Critical
Publication of AT305421B publication Critical patent/AT305421B/en

Links

Classifications

    • 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
    • H02H3/34Emergency 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
    • H02H3/347Emergency 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 summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Dc-Dc Converters (AREA)
AT1041168A 1967-12-29 1968-10-24 Detector circuit, in particular residual current protection circuit AT305421B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1838667A CH460922A (en) 1967-12-29 1967-12-29 Detector device, in particular residual current circuit breaker

Publications (1)

Publication Number Publication Date
AT305421B true AT305421B (en) 1973-02-26

Family

ID=4432649

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1041168A AT305421B (en) 1967-12-29 1968-10-24 Detector circuit, in particular residual current protection circuit

Country Status (6)

Country Link
AT (1) AT305421B (en)
CH (1) CH460922A (en)
DE (1) DE1638059C3 (en)
FR (1) FR1569741A (en)
GB (1) GB1201877A (en)
NL (1) NL6816846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (en) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Line protection circuit breaker having a differential-current trip device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH607057A5 (en) * 1975-03-03 1978-11-30 Bbc Brown Boveri & Cie
DE2602534A1 (en) * 1976-01-23 1977-07-28 Siemens Ag FAULT CURRENT CIRCUIT BREAKER
DE2653453C3 (en) * 1976-11-25 1986-10-02 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Circuit arrangement for an auxiliary voltage derived from the mains voltage via rectifier elements for multi-pole residual current circuit breakers
GB2244397B (en) * 1990-05-25 1994-02-16 Mk Electric Ltd Electrical protection devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (en) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Line protection circuit breaker having a differential-current trip device

Also Published As

Publication number Publication date
DE1638059A1 (en) 1971-03-11
DE1638059C3 (en) 1974-07-25
FR1569741A (en) 1969-06-06
DE1638059B2 (en) 1972-07-13
CH460922A (en) 1968-08-15
NL6816846A (en) 1969-07-01
GB1201877A (en) 1970-08-12

Similar Documents

Publication Publication Date Title
NL154880B (en) OVERVOLTAGE PROTECTION DEVICE.
ES152114Y (en) AN ELECTRICAL SWITCH.
DK137556B (en) Current limiting circuit breaker.
FR1490908A (en) Undervoltage detector circuit
AT283013B (en) Electro-inductive fault detector
BR6803645D0 (en) ELECTRIC CIRCUITS
CH471472A (en) Integrated circuit
AT305421B (en) Detector circuit, in particular residual current protection circuit
CH456725A (en) Low-liquid circuit breaker
AT285709B (en) Residual current circuit breaker with additional overcurrent release
AT324432B (en) INTEGRATED CIRCUIT
CH478450A (en) Vacuum circuit breaker
NL149006B (en) WEIGHING EQUIPMENT WITH OVERLOAD PROTECTION.
MY7300380A (en) Protection circuit
CH476388A (en) Electrical switch, in particular liquid switch
AT306156B (en) Circuit breakers, in particular residual current circuit breakers
FI49891C (en) Circuit breaker.
CH474171A (en) Two-part electrical installation device, in particular line circuit breaker
AT284947B (en) Low-liquid circuit breaker
AT272437B (en) Electronic protective relay, in particular earth fault relay
FR1534875A (en) Improvement in circuit breakers
FR1516693A (en) Circuit breaker
CH481483A (en) Circuit breaker
FR95801E (en) Discontactor fuse switch combination.
ES134373Y (en) PERFECTED MANUAL BREAKER.

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee