AU463870B2 - Improvements in or relating toearth leakage devices - Google Patents

Improvements in or relating toearth leakage devices

Info

Publication number
AU463870B2
AU463870B2 AU41727/72A AU4172772A AU463870B2 AU 463870 B2 AU463870 B2 AU 463870B2 AU 41727/72 A AU41727/72 A AU 41727/72A AU 4172772 A AU4172772 A AU 4172772A AU 463870 B2 AU463870 B2 AU 463870B2
Authority
AU
Australia
Prior art keywords
leakage devices
toearth
relating
relating toearth
leakage
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
AU41727/72A
Other versions
AU4172772A (en
Inventor
T Aro Ha Faki Edward
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.)
HEINEMANN ELECTRIC SOUTH AFRICA Ltd
Original Assignee
HEINEMANN ELECTRIC SOUTH AFRICA Ltd
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 HEINEMANN ELECTRIC SOUTH AFRICA Ltd filed Critical HEINEMANN ELECTRIC SOUTH AFRICA Ltd
Priority to AU41727/72A priority Critical patent/AU463870B2/en
Publication of AU4172772A publication Critical patent/AU4172772A/en
Application granted granted Critical
Publication of AU463870B2 publication Critical patent/AU463870B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
AU41727/72A 1972-05-01 1972-05-01 Improvements in or relating toearth leakage devices Expired AU463870B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU41727/72A AU463870B2 (en) 1972-05-01 1972-05-01 Improvements in or relating toearth leakage devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU41727/72A AU463870B2 (en) 1972-05-01 1972-05-01 Improvements in or relating toearth leakage devices

Publications (2)

Publication Number Publication Date
AU4172772A AU4172772A (en) 1973-11-08
AU463870B2 true AU463870B2 (en) 1975-08-07

Family

ID=3729064

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41727/72A Expired AU463870B2 (en) 1972-05-01 1972-05-01 Improvements in or relating toearth leakage devices

Country Status (1)

Country Link
AU (1) AU463870B2 (en)

Also Published As

Publication number Publication date
AU4172772A (en) 1973-11-08

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