CA1016262A - Ground fault interrupter apparatus with means protecting against a grounded neutral condition - Google Patents

Ground fault interrupter apparatus with means protecting against a grounded neutral condition

Info

Publication number
CA1016262A
CA1016262A CA159,930A CA159930A CA1016262A CA 1016262 A CA1016262 A CA 1016262A CA 159930 A CA159930 A CA 159930A CA 1016262 A CA1016262 A CA 1016262A
Authority
CA
Canada
Prior art keywords
ground fault
protecting against
neutral condition
fault interrupter
grounded neutral
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
CA159,930A
Other versions
CA159930S (en
Inventor
Kenneth R. Coley
John J. Misencik
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1016262A publication Critical patent/CA1016262A/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
    • H02H3/33—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
    • H02H3/331—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 responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
CA159,930A 1972-01-18 1972-12-27 Ground fault interrupter apparatus with means protecting against a grounded neutral condition Expired CA1016262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21877172A 1972-01-18 1972-01-18

Publications (1)

Publication Number Publication Date
CA1016262A true CA1016262A (en) 1977-08-23

Family

ID=22816443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,930A Expired CA1016262A (en) 1972-01-18 1972-12-27 Ground fault interrupter apparatus with means protecting against a grounded neutral condition

Country Status (5)

Country Link
JP (2) JPS4886050A (en)
AT (1) AT318051B (en)
CA (1) CA1016262A (en)
DE (1) DE2301757A1 (en)
ZA (1) ZA728755B (en)

Also Published As

Publication number Publication date
AU5005272A (en) 1974-06-20
DE2301757A1 (en) 1973-07-26
AT318051B (en) 1974-09-25
JPS53135539U (en) 1978-10-26
ZA728755B (en) 1973-08-29
JPS4886050A (en) 1973-11-14

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