CH554542A - PROCEDURE FOR DETERMINING A SHORT TO EARTH IN AN ELECTRICALLY POWERED EQUIPMENT. - Google Patents

PROCEDURE FOR DETERMINING A SHORT TO EARTH IN AN ELECTRICALLY POWERED EQUIPMENT.

Info

Publication number
CH554542A
CH554542A CH850473A CH850473A CH554542A CH 554542 A CH554542 A CH 554542A CH 850473 A CH850473 A CH 850473A CH 850473 A CH850473 A CH 850473A CH 554542 A CH554542 A CH 554542A
Authority
CH
Switzerland
Prior art keywords
earth
procedure
determining
short
electrically powered
Prior art date
Application number
CH850473A
Other languages
German (de)
Original Assignee
Western Industries Pty
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
Priority claimed from ZA724073A external-priority patent/ZA724073B/en
Priority claimed from ZA724072A external-priority patent/ZA724072B/en
Application filed by Western Industries Pty filed Critical Western Industries Pty
Publication of CH554542A publication Critical patent/CH554542A/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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
    • 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
    • H02H3/16—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 fault current to earth, frame or mass

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CH850473A 1972-06-13 1973-06-12 PROCEDURE FOR DETERMINING A SHORT TO EARTH IN AN ELECTRICALLY POWERED EQUIPMENT. CH554542A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA724073A ZA724073B (en) 1972-06-13 1972-06-13 Improvements in earth leakage protection
ZA724072A ZA724072B (en) 1972-06-13 1972-06-13 Improvements in direct current level detectors

Publications (1)

Publication Number Publication Date
CH554542A true CH554542A (en) 1974-09-30

Family

ID=27131054

Family Applications (1)

Application Number Title Priority Date Filing Date
CH850473A CH554542A (en) 1972-06-13 1973-06-12 PROCEDURE FOR DETERMINING A SHORT TO EARTH IN AN ELECTRICALLY POWERED EQUIPMENT.

Country Status (6)

Country Link
AU (1) AU5680073A (en)
CH (1) CH554542A (en)
FR (1) FR2188171A1 (en)
GB (1) GB1440124A (en)
IE (1) IE37776B1 (en)
NL (1) NL7308212A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117949718B (en) * 2024-03-25 2024-07-02 杭州海康威视数字技术股份有限公司 Voltage detection system, method and device

Also Published As

Publication number Publication date
IE37776L (en) 1973-12-13
FR2188171A1 (en) 1974-01-18
IE37776B1 (en) 1977-10-12
AU5680073A (en) 1974-12-12
NL7308212A (en) 1973-12-17
GB1440124A (en) 1976-06-23

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Legal Events

Date Code Title Description
PL Patent ceased