BE519326A - - Google Patents

Info

Publication number
BE519326A
BE519326A BE519326DA BE519326A BE 519326 A BE519326 A BE 519326A BE 519326D A BE519326D A BE 519326DA BE 519326 A BE519326 A BE 519326A
Authority
BE
Belgium
Application number
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.)
Publication of BE519326A publication Critical patent/BE519326A/xx

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)
BE519326D 1952-03-12 BE519326A (lt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE519326A true BE519326A (lt)

Family

ID=4555852

Family Applications (2)

Application Number Title Priority Date Filing Date
BE517449D BE517449A (lt) 1952-03-12
BE519326D BE519326A (lt) 1952-03-12

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE517449D BE517449A (lt) 1952-03-12

Country Status (5)

Country Link
BE (2) BE519326A (lt)
CH (2) CH298280A (lt)
DE (1) DE925961C (lt)
FR (1) FR1070186A (lt)
NL (1) NL92834C (lt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010034001A1 (de) * 2010-08-11 2012-02-16 Siemens Aktiengesellschaft Anordnung zur Erfassung und Abschaltung von Gleichfehlerströmen und gleichstromsensitiver Fehlerstromschutzschalter

Also Published As

Publication number Publication date
DE925961C (de) 1955-04-04
CH302705A (de) 1954-10-31
CH298280A (de) 1954-04-30
BE517449A (lt)
NL92834C (lt)
FR1070186A (fr) 1954-07-20

Similar Documents

Publication Publication Date Title
JPS291611Y1 (lt)
FR999398A (lt)
FR56518E (lt)
BE513249A (lt)
BE517449A (lt)
BE340650A (lt)
LU31506A1 (lt)
BE507405A (lt)
BE508969A (lt)
BE511207A (lt)
BE579328A (lt)
BE524595A (lt)
BE524521A (lt)
BE512796A (lt)
BE523677A (lt)
BE521433A (lt)
BE512951A (lt)
BE513455A (lt)
BE521251A (lt)
BE518880A (lt)
BE518222A (lt)
BE517842A (lt)
BE513644A (lt)
BE517653A (lt)
BE514775A (lt)