SE398182B - Netskyddsanordning for att konstatera ett fel hos ett trefasnet - Google Patents

Netskyddsanordning for att konstatera ett fel hos ett trefasnet

Info

Publication number
SE398182B
SE398182B SE7407326A SE7407326A SE398182B SE 398182 B SE398182 B SE 398182B SE 7407326 A SE7407326 A SE 7407326A SE 7407326 A SE7407326 A SE 7407326A SE 398182 B SE398182 B SE 398182B
Authority
SE
Sweden
Prior art keywords
fault
detecting
protection device
network protection
wooden
Prior art date
Application number
SE7407326A
Other languages
English (en)
Other versions
SE7407326L (sv
Inventor
V Narayan
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of SE7407326L publication Critical patent/SE7407326L/xx
Publication of SE398182B publication Critical patent/SE398182B/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
    • H02H3/32—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
    • H02H3/353—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 involving comparison of phase voltages
SE7407326A 1973-06-07 1974-06-04 Netskyddsanordning for att konstatera ett fel hos ett trefasnet SE398182B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH824973A CH565469A5 (sv) 1973-06-07 1973-06-07

Publications (2)

Publication Number Publication Date
SE7407326L SE7407326L (sv) 1974-12-09
SE398182B true SE398182B (sv) 1977-12-05

Family

ID=4337441

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407326A SE398182B (sv) 1973-06-07 1974-06-04 Netskyddsanordning for att konstatera ett fel hos ett trefasnet

Country Status (10)

Country Link
US (1) US3958153A (sv)
BE (1) BE815935A (sv)
CH (1) CH565469A5 (sv)
DE (1) DE2333930C3 (sv)
DK (1) DK298974A (sv)
FR (1) FR2232762B1 (sv)
GB (1) GB1468597A (sv)
IT (1) IT1019635B (sv)
NL (2) NL7407529A (sv)
SE (1) SE398182B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1526412A (en) * 1975-07-22 1978-09-27 Gen Electric Co Ltd Directional relays
GB2231216B (en) * 1989-04-05 1993-04-14 Mitsubishi Electric Corp Zero-phase sequence current detector
SE501934C2 (sv) * 1993-09-30 1995-06-26 Asea Brown Boveri Förfarande och anordning för att identifiera enkla jordfel
US5574346A (en) * 1995-05-15 1996-11-12 Delco Electronics Corporation On and off state fault detection circuit for a multi-phase brushed or brushless DC motor
US6600973B1 (en) * 1999-11-24 2003-07-29 American Supercondutor Corporation Method and apparatus for providing power to a utility network
US7091703B2 (en) * 2004-03-04 2006-08-15 American Superconductor Corporation Dynamic reactive compensation system and method
US8942954B2 (en) * 2010-09-16 2015-01-27 Schweitzer Engineering Laboratories, Inc. Fault location in a non-homogeneous electric power line
EP3170011B1 (en) * 2014-07-17 2022-08-24 Siemens Aktiengesellschaft Broken conductor detection method and apparatus
CN112526405B (zh) * 2020-12-03 2022-02-15 广东电网有限责任公司电力科学研究院 一种用于电容器切出系统时的故障诊断方法及相关装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE488809C (de) * 1926-08-07 1930-01-09 Georg J Meyer Dr Ing Schutzeinrichtung fuer Drehstromanlagen
FR845442A (fr) * 1938-04-28 1939-08-23 Alsthom Cgee Procédé et dispositions pour l'indication de défauts, avec sélection des phases,dans les réseaux électriques polyphasés
GB641792A (en) * 1946-12-18 1950-08-23 Standard Telephones Cables Ltd Improvements in or relating to electric power supply systems
CA716688A (en) * 1961-05-09 1965-08-24 L. Blackburn John Equipment for protecting electrical systems
US3210606A (en) * 1962-02-09 1965-10-05 Westinghouse Electric Corp Protective relaying systems
FR1416357A (fr) * 1964-03-23 1965-11-05 Comp Generale Electricite Dispositif sélecteur de phase
FR1566425A (sv) * 1968-02-27 1969-05-09
SE330930B (sv) * 1969-05-08 1970-12-07 Asea Ab
US3633072A (en) * 1970-02-24 1972-01-04 Lawrence N Duncan Phase detection circuit

Also Published As

Publication number Publication date
DE2333930C3 (de) 1981-10-29
BE815935A (fr) 1974-09-30
FR2232762A1 (sv) 1975-01-03
NL7407529A (sv) 1974-12-10
DE2333930A1 (de) 1974-12-19
NL7810247A (nl) 1979-01-31
SE7407326L (sv) 1974-12-09
IT1019635B (it) 1977-11-30
DE2333930B2 (de) 1981-02-19
GB1468597A (en) 1977-03-30
US3958153A (en) 1976-05-18
CH565469A5 (sv) 1975-08-15
DK298974A (sv) 1975-02-03
FR2232762B1 (sv) 1978-01-20

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