CH413060A - Three-phase undervoltage relay - Google Patents

Three-phase undervoltage relay

Info

Publication number
CH413060A
CH413060A CH388065A CH388065A CH413060A CH 413060 A CH413060 A CH 413060A CH 388065 A CH388065 A CH 388065A CH 388065 A CH388065 A CH 388065A CH 413060 A CH413060 A CH 413060A
Authority
CH
Switzerland
Prior art keywords
undervoltage relay
phase undervoltage
phase
relay
undervoltage
Prior art date
Application number
CH388065A
Other languages
French (fr)
Inventor
Souillard Michel
Original Assignee
Compteurs Comp D
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 Compteurs Comp D filed Critical Compteurs Comp D
Publication of CH413060A publication Critical patent/CH413060A/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
    • H02H3/26—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
    • H02H3/34—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 of a three-phase system
    • H02H3/343—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 of a three-phase system using phase sequence analysers
    • 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
    • H02H3/24—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 undervoltage or no-voltage
    • H02H3/253—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 undervoltage or no-voltage for multiphase applications, e.g. phase interruption
CH388065A 1964-05-05 1965-03-19 Three-phase undervoltage relay CH413060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973367A FR1403698A (en) 1964-05-05 1964-05-05 Three-phase undervoltage relay

Publications (1)

Publication Number Publication Date
CH413060A true CH413060A (en) 1966-05-15

Family

ID=8829327

Family Applications (1)

Application Number Title Priority Date Filing Date
CH388065A CH413060A (en) 1964-05-05 1965-03-19 Three-phase undervoltage relay

Country Status (4)

Country Link
BE (1) BE660971A (en)
CH (1) CH413060A (en)
FR (1) FR1403698A (en)
GB (1) GB1100633A (en)

Also Published As

Publication number Publication date
DE1463039B2 (en) 1972-12-28
DE1463039A1 (en) 1969-03-27
GB1100633A (en) 1968-01-24
BE660971A (en) 1965-09-13
FR1403698A (en) 1965-06-25

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