CA1065960A - Multi-pole ground fault circuit interrupter with grounded neutral protection - Google Patents

Multi-pole ground fault circuit interrupter with grounded neutral protection

Info

Publication number
CA1065960A
CA1065960A CA246,961A CA246961A CA1065960A CA 1065960 A CA1065960 A CA 1065960A CA 246961 A CA246961 A CA 246961A CA 1065960 A CA1065960 A CA 1065960A
Authority
CA
Canada
Prior art keywords
neutral
primary winding
transformer
conductors
ground fault
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
CA246,961A
Other languages
English (en)
French (fr)
Inventor
John J. Misencik
Gary S. Zakrzewski
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.)
Westinghouse Electric 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 CA1065960A publication Critical patent/CA1065960A/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)
  • Protection Of Transformers (AREA)
CA246,961A 1975-03-14 1976-03-02 Multi-pole ground fault circuit interrupter with grounded neutral protection Expired CA1065960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55861875A 1975-03-14 1975-03-14

Publications (1)

Publication Number Publication Date
CA1065960A true CA1065960A (en) 1979-11-06

Family

ID=24230266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,961A Expired CA1065960A (en) 1975-03-14 1976-03-02 Multi-pole ground fault circuit interrupter with grounded neutral protection

Country Status (6)

Country Link
JP (1) JPS51114650A (cs)
AU (1) AU501986B2 (cs)
CA (1) CA1065960A (cs)
GB (1) GB1531933A (cs)
IT (1) IT1057577B (cs)
ZA (1) ZA761086B (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524071A (en) * 1978-08-11 1980-02-20 Matsushita Electric Industrial Co Ltd Drainboard with tableware dryer
GB2077531B (en) * 1980-06-04 1983-06-08 Evans Jacob Donald Fault detection in n-phase system

Also Published As

Publication number Publication date
GB1531933A (en) 1978-11-15
JPS51114650A (en) 1976-10-08
AU1144576A (en) 1977-09-01
AU501986B2 (en) 1979-07-12
IT1057577B (it) 1982-03-30
ZA761086B (en) 1977-02-23
JPS5512815B2 (cs) 1980-04-04

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