SE354724B - - Google Patents

Info

Publication number
SE354724B
SE354724B SE16935/69A SE1693569A SE354724B SE 354724 B SE354724 B SE 354724B SE 16935/69 A SE16935/69 A SE 16935/69A SE 1693569 A SE1693569 A SE 1693569A SE 354724 B SE354724 B SE 354724B
Authority
SE
Sweden
Application number
SE16935/69A
Inventor
E Paddison
C Wilson
F Gray
Original Assignee
English Electric Co 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of SE354724B publication Critical patent/SE354724B/xx

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
    • H02H3/44—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 the rate of change of electrical quantities
    • 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
    • H02H3/34—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 of a three-phase system
SE16935/69A 1968-12-10 1969-12-09 SE354724B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB58554/68A GB1275560A (en) 1968-12-10 1968-12-10 Selector circuit for determining faults in polyphase transmission systems

Publications (1)

Publication Number Publication Date
SE354724B true SE354724B (de) 1973-03-19

Family

ID=10481894

Family Applications (1)

Application Number Title Priority Date Filing Date
SE16935/69A SE354724B (de) 1968-12-10 1969-12-09

Country Status (6)

Country Link
US (1) US3699431A (de)
CH (1) CH535503A (de)
DE (1) DE1961774C3 (de)
FR (1) FR2033205A1 (de)
GB (1) GB1275560A (de)
SE (1) SE354724B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1510466A (en) * 1974-11-18 1978-05-10 Gen Electric Co Ltd Protective relay arrangements
US4006387A (en) * 1975-09-22 1977-02-01 The United States Of America As Represented By The Secretary Of The Air Force Low power solid state three-phase overcurrent/undercurrent protection circuit
US4053876A (en) * 1976-04-08 1977-10-11 Sidney Hoffman Alarm system for warning of unbalance or failure of one or more phases of a multi-phase high-current load
US4255748A (en) * 1979-02-12 1981-03-10 Automation Systems, Inc. Bus fault detector
IN154286B (de) * 1979-05-16 1984-10-13 Gen Electric Co Ltd
EP0026620B1 (de) * 1979-09-27 1984-05-30 THE GENERAL ELECTRIC COMPANY, p.l.c. Verfahren und Gerät zum Identifizieren von Fehlern in elektrischen Leistungsübertragungssystemen
SE446795B (sv) * 1980-12-05 1986-10-06 Asea Ab Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem
GB8817599D0 (en) * 1988-07-23 1988-09-01 Lucas Ind Plc A c generator fault detector
FR2646738B1 (fr) * 1989-05-03 1991-07-05 Merlin Gerin Declencheur statique pour un disjoncteur de protection d'un reseau triphase, permettant la detection du type de defaut
US5495381A (en) * 1994-11-22 1996-02-27 Sundstrand Corporation Protection system for undetected over voltage in an isolated voltage regulator
FI108167B (fi) * 2000-03-21 2001-11-30 Abb T & D Tech Ltd Sähköjohdon suureiden mittaus
DE10234472A1 (de) * 2002-07-29 2004-02-12 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Beseitigen von Schaum im Laugenbehälter einer Trommelwaschmaschine
GB201315089D0 (en) * 2013-08-23 2013-10-09 Camlin Technologies Ltd Diagnostic method for automatic discrimination of phase-to-ground partial discharge, phase-to-phase partial discharge and electromagnetic noise

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986674A (en) * 1958-03-10 1961-05-30 Allis Chalmers Mfg Co Reverse power sensing device
GB1021502A (en) * 1961-03-03 1966-03-02 English Electric Co Ltd Improvements in and relating to electrical protective relay systems
US3210606A (en) * 1962-02-09 1965-10-05 Westinghouse Electric Corp Protective relaying systems
US3300685A (en) * 1963-01-04 1967-01-24 Ite Circuit Breaker Ltd Static overcurrent relay
US3277345A (en) * 1963-02-07 1966-10-04 Gen Electric Static distance relay with reduced transient overreach
US3401395A (en) * 1964-09-21 1968-09-10 John H. Neher Fault recorder
FR1501814A (fr) * 1966-09-12 1967-11-18 Compteurs Comp D Dispositif permettant la détection ainsi que la mesure de distance des défauts à la terre dans un réseau triphasé avec neutre mise à la terre
US3480834A (en) * 1966-09-19 1969-11-25 Westinghouse Electric Corp Miniature overvoltage protection circuit having separate voltage sensing and time delay circuits
CA866426A (en) * 1966-10-22 1971-03-16 M. Crockett John Product responsive relay
GB1182786A (en) * 1966-11-18 1970-03-04 Ici Ltd Control or Alarm Method and Apparatus.
FR1528861A (fr) * 1967-05-03 1968-06-14 Compteurs Comp D Perfectionnements aux dispositifs de protection de lignes électriques triphasées

Also Published As

Publication number Publication date
DE1961774B2 (de) 1980-06-26
DE1961774C3 (de) 1981-03-19
FR2033205A1 (de) 1970-12-04
GB1275560A (en) 1972-05-24
DE1961774A1 (de) 1970-06-18
US3699431A (en) 1972-10-17
CH535503A (fr) 1973-03-31

Similar Documents

Publication Publication Date Title
AU1946070A (de)
AU428130B2 (de)
AU2374870A (de)
AU429879B2 (de)
AU416157B2 (de)
AU2581067A (de)
AU4811568A (de)
AU421558B1 (de)
JPS4711301Y1 (de)
AU3789668A (de)
AU2580267A (de)
AU3224368A (de)
AR203075Q (de)
AU4744468A (de)
BE727607A (de)
BE728096A (de)
BE726945A (de)
BE727307A (de)
AU2496167A (de)
BE727590A (de)
AU4270368A (de)
AU2889368A (de)
BE708951A (de)
BE709319A (de)
BE709320A (de)