AU530808B2 - Earth fault relay - Google Patents

Earth fault relay

Info

Publication number
AU530808B2
AU530808B2 AU40915/78A AU4091578A AU530808B2 AU 530808 B2 AU530808 B2 AU 530808B2 AU 40915/78 A AU40915/78 A AU 40915/78A AU 4091578 A AU4091578 A AU 4091578A AU 530808 B2 AU530808 B2 AU 530808B2
Authority
AU
Australia
Prior art keywords
earth fault
fault relay
relay
earth
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
AU40915/78A
Other versions
AU4091578A (en
Inventor
Jc J. Haeussermann And Maurice R. Marut Ep.
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.)
Electrical Protection Co Pty Ltd
Original Assignee
ELECTRICAL PROTECTION Co
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 ELECTRICAL PROTECTION Co filed Critical ELECTRICAL PROTECTION Co
Publication of AU4091578A publication Critical patent/AU4091578A/en
Application granted granted Critical
Publication of AU530808B2 publication Critical patent/AU530808B2/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
    • H02H3/02—Details
    • H02H3/027—Details with automatic disconnection after a predetermined time
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • H02H1/063—Arrangements for supplying operative power primary power being supplied by fault current
    • 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)
  • Emergency Protection Circuit Devices (AREA)
AU40915/78A 1977-10-21 1978-10-20 Earth fault relay Expired AU530808B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZAZA77/6276 1977-10-21
ZA00776276A ZA776276B (en) 1977-10-21 1977-10-21 Improvements in and relating to earth fault relays

Publications (2)

Publication Number Publication Date
AU4091578A AU4091578A (en) 1980-04-24
AU530808B2 true AU530808B2 (en) 1983-07-28

Family

ID=25572172

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40915/78A Expired AU530808B2 (en) 1977-10-21 1978-10-20 Earth fault relay

Country Status (5)

Country Link
AU (1) AU530808B2 (en)
GB (1) GB2006555B (en)
MW (1) MW3178A1 (en)
NZ (1) NZ188723A (en)
ZA (1) ZA776276B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8616833D0 (en) * 1986-07-10 1986-08-20 Delta Electrical Holdings Earth leakage protective circuit
DE102020216414A1 (en) 2020-12-21 2022-06-23 Siemens Aktiengesellschaft RCDs and procedures

Also Published As

Publication number Publication date
GB2006555B (en) 1982-04-07
ZA776276B (en) 1978-12-27
GB2006555A (en) 1979-05-02
MW3178A1 (en) 1980-03-12
NZ188723A (en) 1981-07-13
AU4091578A (en) 1980-04-24

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