AU7847975A - Method of establishing the presence of electrical faults ina system comprising atleast one busbar and its branches - Google Patents

Method of establishing the presence of electrical faults ina system comprising atleast one busbar and its branches

Info

Publication number
AU7847975A
AU7847975A AU78479/75A AU7847975A AU7847975A AU 7847975 A AU7847975 A AU 7847975A AU 78479/75 A AU78479/75 A AU 78479/75A AU 7847975 A AU7847975 A AU 7847975A AU 7847975 A AU7847975 A AU 7847975A
Authority
AU
Australia
Prior art keywords
atleast
busbar
branches
establishing
electrical faults
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
AU78479/75A
Other versions
AU495297B2 (en
Inventor
Schilling Robert
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 granted granted Critical
Publication of AU495297B2 publication Critical patent/AU495297B2/en
Application filed by BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of AU7847975A publication Critical patent/AU7847975A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • 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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/283—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Protection Of Static Devices (AREA)
AU78479/75A 1975-02-24 Method of establishing the presence of electrical faults ina system comprising atleast one busbar and its branches Expired AU495297B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH274674A CH577762A5 (en) 1974-02-27 1974-02-27

Publications (2)

Publication Number Publication Date
AU495297B2 AU495297B2 (en) 1974-08-26
AU7847975A true AU7847975A (en) 1976-08-26

Family

ID=

Also Published As

Publication number Publication date
FR2262428A1 (en) 1975-09-19
SE7501981L (en) 1975-08-29
AT346960B (en) 1978-12-11
DK68075A (en) 1975-10-27
IT1033141B (en) 1979-07-10
NL183001C (en) 1988-06-16
SE407316B (en) 1979-03-19
FR2262428B1 (en) 1982-03-05
DE2413399A1 (en) 1975-09-04
CH577762A5 (en) 1976-07-15
ES435029A1 (en) 1976-12-16
ATA139875A (en) 1977-04-15
BE825874A (en) 1975-06-16
NL7502359A (en) 1975-08-29
DE2413399C2 (en) 1989-04-20
NL183001B (en) 1988-01-18

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