GB1100633A - Minimum voltage three-phase relay - Google Patents

Minimum voltage three-phase relay

Info

Publication number
GB1100633A
GB1100633A GB1896565A GB1896565A GB1100633A GB 1100633 A GB1100633 A GB 1100633A GB 1896565 A GB1896565 A GB 1896565A GB 1896565 A GB1896565 A GB 1896565A GB 1100633 A GB1100633 A GB 1100633A
Authority
GB
United Kingdom
Prior art keywords
voltage
relay
reference voltage
terminals
detector
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1896565A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Schlumberger SA filed Critical Compteurs Schlumberger SA
Publication of GB1100633A publication Critical patent/GB1100633A/en
Expired legal-status Critical Current

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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Paper (AREA)
GB1896565A 1964-05-05 1965-05-05 Minimum voltage three-phase relay Expired GB1100633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973367A FR1403698A (fr) 1964-05-05 1964-05-05 Relais triphasé à minimum de tension

Publications (1)

Publication Number Publication Date
GB1100633A true GB1100633A (en) 1968-01-24

Family

ID=8829327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1896565A Expired GB1100633A (en) 1964-05-05 1965-05-05 Minimum voltage three-phase relay

Country Status (4)

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

Also Published As

Publication number Publication date
CH413060A (fr) 1966-05-15
DE1463039A1 (de) 1969-03-27
BE660971A (enrdf_load_stackoverflow) 1965-09-13
DE1463039B2 (de) 1972-12-28
FR1403698A (fr) 1965-06-25

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