CH302705A - Installation circuit breaker with differential relay. - Google Patents

Installation circuit breaker with differential relay.

Info

Publication number
CH302705A
CH302705A CH302705DA CH302705A CH 302705 A CH302705 A CH 302705A CH 302705D A CH302705D A CH 302705DA CH 302705 A CH302705 A CH 302705A
Authority
CH
Switzerland
Prior art keywords
circuit breaker
differential relay
installation circuit
installation
relay
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Landis Gyr
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
Publication of CH302705A publication Critical patent/CH302705A/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
    • H02H3/08—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 excess current
    • H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/749—Means for adjusting the conditions under which the device will function to provide protection with a shunt element connected in parallel to magnetic or thermal trip elements, e.g. for adjusting trip current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
CH302705D 1952-03-12 1952-05-15 Installation circuit breaker with differential relay. CH302705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1070186X 1952-03-12

Publications (1)

Publication Number Publication Date
CH302705A true CH302705A (en) 1954-10-31

Family

ID=4555852

Family Applications (2)

Application Number Title Priority Date Filing Date
CH298280D CH298280A (en) 1952-03-12 1952-03-12 Installation circuit breaker with differential relay.
CH302705D CH302705A (en) 1952-03-12 1952-05-15 Installation circuit breaker with differential relay.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH298280D CH298280A (en) 1952-03-12 1952-03-12 Installation circuit breaker with differential relay.

Country Status (5)

Country Link
BE (2) BE517449A (en)
CH (2) CH298280A (en)
DE (1) DE925961C (en)
FR (1) FR1070186A (en)
NL (1) NL92834C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010034001A1 (en) * 2010-08-11 2012-02-16 Siemens Aktiengesellschaft Direct current (DC) fault current detection and deactivation arrangement for earth-leakage circuit breaker, has magnetic trigger element to open switching contact by not canceling magnetic fluxes during existence of fault current

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010034001A1 (en) * 2010-08-11 2012-02-16 Siemens Aktiengesellschaft Direct current (DC) fault current detection and deactivation arrangement for earth-leakage circuit breaker, has magnetic trigger element to open switching contact by not canceling magnetic fluxes during existence of fault current

Also Published As

Publication number Publication date
BE517449A (en)
FR1070186A (en) 1954-07-20
DE925961C (en) 1955-04-04
CH298280A (en) 1954-04-30
BE519326A (en)
NL92834C (en)

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