SE8202811L - Kretsarrangemang - Google Patents

Kretsarrangemang

Info

Publication number
SE8202811L
SE8202811L SE8202811A SE8202811A SE8202811L SE 8202811 L SE8202811 L SE 8202811L SE 8202811 A SE8202811 A SE 8202811A SE 8202811 A SE8202811 A SE 8202811A SE 8202811 L SE8202811 L SE 8202811L
Authority
SE
Sweden
Prior art keywords
rectifiers
transformer
secondary winding
feeder
pilot
Prior art date
Application number
SE8202811A
Other languages
Unknown language ( )
English (en)
Other versions
SE448589B (sv
Inventor
L Jackson
Original Assignee
Nothern Engineering Ind Plc
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 Nothern Engineering Ind Plc filed Critical Nothern Engineering Ind Plc
Publication of SE8202811L publication Critical patent/SE8202811L/sv
Publication of SE448589B publication Critical patent/SE448589B/sv

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
    • H02H3/28—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
    • H02H3/30—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 using pilot wires or other signalling channel
    • H02H3/307—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 using pilot wires or other signalling channel involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE8202811A 1981-05-09 1982-05-05 Kretsarrangemang for skydd av en matningsledning for elektrisk distribution och skyddssystem innefattande nemnda kretsarrangemang SE448589B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8114233 1981-05-09
GB8204544A GB2098417B (en) 1981-05-09 1982-02-16 Pilot wire line protection systems

Publications (2)

Publication Number Publication Date
SE8202811L true SE8202811L (sv) 1982-11-10
SE448589B SE448589B (sv) 1987-03-02

Family

ID=26279396

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8202811A SE448589B (sv) 1981-05-09 1982-05-05 Kretsarrangemang for skydd av en matningsledning for elektrisk distribution och skyddssystem innefattande nemnda kretsarrangemang

Country Status (4)

Country Link
CH (1) CH648158A5 (sv)
DE (1) DE3210802C2 (sv)
GB (1) GB2098417B (sv)
SE (1) SE448589B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002836A1 (en) * 1985-10-31 1987-05-07 The South East Queensland Electricity Board Intertripping system
CN103474971B (zh) * 2012-06-06 2016-03-23 施耐德电器工业公司 基于比相原理的多端线路导引线差动保护装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB723555A (en) * 1953-02-04 1955-02-09 Reyrolle A & Co Ltd Improvements in or relating to electric pilot wire circuit arrangements for protective or other purposes
DE1299355B (de) * 1964-03-20 1969-07-17 Siemens Ag Verfahren und Anordnung zur Erfassung von Fehlern in elektrischen Netzwerken
US3497772A (en) * 1967-01-18 1970-02-24 Westinghouse Electric Corp Pilot wire protective arrangement for alternating current system wherein relay operating and restraint signals are derived during half cycles of opposite polarities
GB1170684A (en) * 1967-01-20 1969-11-12 English Electric Co Ltd Improvements in Electrical Relays
GB1192640A (en) * 1967-09-22 1970-05-20 English Electric Co Ltd Improvements in Distance Relays

Also Published As

Publication number Publication date
SE448589B (sv) 1987-03-02
GB2098417A (en) 1982-11-17
DE3210802A1 (de) 1982-12-16
DE3210802C2 (de) 1994-05-26
CH648158A5 (fr) 1985-02-28
GB2098417B (en) 1984-10-24

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