SE8002030L - Statiskt momentant overstromsrele - Google Patents

Statiskt momentant overstromsrele

Info

Publication number
SE8002030L
SE8002030L SE8002030A SE8002030A SE8002030L SE 8002030 L SE8002030 L SE 8002030L SE 8002030 A SE8002030 A SE 8002030A SE 8002030 A SE8002030 A SE 8002030A SE 8002030 L SE8002030 L SE 8002030L
Authority
SE
Sweden
Prior art keywords
relay
level detector
magnitude
power line
signal
Prior art date
Application number
SE8002030A
Other languages
Unknown language ( )
English (en)
Other versions
SE442693B (sv
Inventor
T B Breen
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE8002030L publication Critical patent/SE8002030L/sv
Publication of SE442693B publication Critical patent/SE442693B/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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means

Landscapes

  • Emergency Protection Circuit Devices (AREA)
SE8002030A 1979-03-16 1980-03-14 Statiskt momentant overstromsrele SE442693B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/021,143 US4255774A (en) 1979-03-16 1979-03-16 Static instantaneous overcurrent relay with low transient overreach

Publications (2)

Publication Number Publication Date
SE8002030L true SE8002030L (sv) 1980-09-17
SE442693B SE442693B (sv) 1986-01-20

Family

ID=21802585

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8002030A SE442693B (sv) 1979-03-16 1980-03-14 Statiskt momentant overstromsrele

Country Status (11)

Country Link
US (1) US4255774A (sv)
BR (1) BR8000572A (sv)
CH (1) CH658148A5 (sv)
DE (1) DE3009581A1 (sv)
ES (1) ES8103469A1 (sv)
FR (1) FR2451651B1 (sv)
GB (1) GB2044024B (sv)
IN (1) IN151644B (sv)
IT (1) IT1130928B (sv)
MX (1) MX147633A (sv)
SE (1) SE442693B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498836A1 (fr) * 1981-01-23 1982-07-30 Urbelec Delesteur pour installation electrique polyphasee, avec dispositif d'equilibrage des phases
SU1054863A1 (ru) * 1981-07-02 1983-11-15 Новосибирский Научно-Исследовательский,Проектно-Конструкторский И Технологический Институт Комплектного Электропривода Электропривод переменного тока и его варианты
FR2550024B1 (fr) * 1983-07-25 1986-03-14 Electricite De France Dispositif de protection a surintensite de courant
EP0260120A3 (en) * 1986-09-10 1989-11-02 S & C ELECTRIC COMPANY Control circuit with coordination provisions
US4943888A (en) * 1989-07-10 1990-07-24 General Electric Company Electronic circuit breaker using digital circuitry having instantaneous trip capability
US6671149B1 (en) * 2000-09-28 2003-12-30 Turnstone Systems, Inc. Systems and methods for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devices

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943179C (de) * 1942-04-03 1956-05-17 Aeg Einrichtung zum Verhindern von Fehlausloesungen schnellschaltender Relais
CA644642A (en) * 1958-10-27 1962-07-10 F. Schuh Niles Undervoltage sensing circuit
DE1293305B (de) * 1964-04-14 1969-04-24 Licentia Gmbh Zeitverzoegerte Begrenzungsschaltung
SE306371B (sv) * 1965-05-11 1968-11-25 Starkstrom Anlagenbau Erfurt
GB1162206A (en) * 1966-05-13 1969-08-20 English Electric Co Ltd Improvements in Overcurrent Relays
GB1172536A (en) * 1966-08-31 1969-12-03 English Electric Co Ltd Improvements in Electrical Protective Relays
FR1511108A (fr) * 1966-12-15 1968-01-26 Mechanical Products Inc Dispositif de protection de circuits électroniques
US3522478A (en) * 1967-03-10 1970-08-04 Mc Graw Edison Co Directional relay for circuit interrupters
ES371934A1 (es) * 1968-10-07 1971-11-16 Westinghouse Electric Corp Un sistema de proteccion para proteger contra corrientes deaveria redes de corriente electrica de potencia.
DE1802543A1 (de) * 1968-10-11 1970-05-27 Continental Elektro Ind Ag Einrichtung zum UEberwachen von UEberstroemen und UEberspannungen
DE2144839C3 (de) * 1971-09-08 1980-10-23 Hartmann & Braun Ag, 6000 Frankfurt Verfahren und Schaltungsanordnung zur Fehlerüberwachung einer Sammelschiene
US3735377A (en) * 1971-03-19 1973-05-22 Phillips Petroleum Co Monitoring and shutdown apparatus
SE373239B (sv) * 1973-05-21 1975-01-27 Asea Ab
US3836790A (en) * 1973-08-22 1974-09-17 Lorain Prod Corp A-c voltage detector
IT1026679B (it) * 1973-12-22 1978-10-20 Amp Inc Circuito di protezione contro corto circuiti
US3883782A (en) * 1974-05-31 1975-05-13 Robert W Beckwith Overcurrent relay circuit
US4034269A (en) * 1975-12-12 1977-07-05 General Electric Company Protective relay circuits
US4092690A (en) * 1977-01-31 1978-05-30 General Electric Company Protective relay circuit providing a combined distance and overcurrent function
US4152744A (en) * 1977-06-17 1979-05-01 Gould Inc. Solid state tripping circuit

Also Published As

Publication number Publication date
IT1130928B (it) 1986-06-18
GB2044024B (en) 1983-04-20
FR2451651A1 (fr) 1980-10-10
IT8020436A0 (it) 1980-03-07
ES489474A0 (es) 1981-02-16
CH658148A5 (de) 1986-10-15
DE3009581A1 (de) 1980-09-25
FR2451651B1 (fr) 1985-06-21
MX147633A (es) 1983-01-03
SE442693B (sv) 1986-01-20
US4255774A (en) 1981-03-10
DE3009581C2 (sv) 1992-07-09
IN151644B (sv) 1983-06-18
ES8103469A1 (es) 1981-02-16
GB2044024A (en) 1980-10-08
BR8000572A (pt) 1980-10-21

Similar Documents

Publication Publication Date Title
SE7713411L (sv) Releskydd med funktionsverdesomkoppling
JPS4731148A (sv)
SE8002030L (sv) Statiskt momentant overstromsrele
ES462786A1 (es) Perfeccionamientos introducidos en un aparato disyuntor.
AU512451B2 (en) Circuit breaker having bgh rating shunt trip
NZ188350A (en) Three phase current detection circuit and relative ground overcurrent tripping circuit
GB1254131A (en) Improvements in static network protective relay
CA2020977A1 (en) Sectionalizer control
DK519477A (da) Fremgangsmaade til testning af fejlstroems og fejlspaendingsbeskyttelseskredse samt udstyr til udoevelse af fremgangsmaaden
JPS5587961A (en) System for identifying fault point of power transmission line
JPS5425446A (en) Blushless exciter protective device
JPS55101868A (en) Device for measuring vector voltage ratio
JPS5228654A (en) Inverse time delay relay
JPS5385468A (en) Polyphase power detector
SU1128324A1 (ru) Способ определени поврежденного присоединени при однофазном замыкании на землю в сет х с малым током замыкани
JPS5383013A (en) Overcurrent protection for converter
JPS5288747A (en) Protecting system for inverter
SU658644A1 (ru) Устройство дл определени поврежденной фазы сети с контуром заземлени
JPS5456149A (en) Phase comparison carrier protective relay unit
JPS5425450A (en) Protective relay
JPS543242A (en) Protective relay
JPS5355757A (en) Power line protection
JPS5380540A (en) Protective relay device
JPS52150537A (en) Step-out detector
JPS52107549A (en) Differential current relay system

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8002030-8

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8002030-8

Format of ref document f/p: F