IT1137369B - Apparecciatura di interruzione di circuiti - Google Patents

Apparecciatura di interruzione di circuiti

Info

Publication number
IT1137369B
IT1137369B IT21171/81A IT2117181A IT1137369B IT 1137369 B IT1137369 B IT 1137369B IT 21171/81 A IT21171/81 A IT 21171/81A IT 2117181 A IT2117181 A IT 2117181A IT 1137369 B IT1137369 B IT 1137369B
Authority
IT
Italy
Prior art keywords
circuit interruption
interruption equipment
equipment
circuit
interruption
Prior art date
Application number
IT21171/81A
Other languages
English (en)
Italian (it)
Other versions
IT8121171A0 (it
Inventor
Gary Francis Saletta
Robert Tracy Elms
Joseph Charles Engel
Bernard Joseph Mercier
Original Assignee
Westinghouse Electric Corp
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
Priority claimed from US06/140,632 external-priority patent/US4377836A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8121171A0 publication Critical patent/IT8121171A0/it
Application granted granted Critical
Publication of IT1137369B publication Critical patent/IT1137369B/it

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
    • H02H3/10—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 additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
    • 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
    • H02H3/0935—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 the timing being determined by numerical means
IT21171/81A 1980-04-15 1981-04-14 Apparecciatura di interruzione di circuiti IT1137369B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14063180A 1980-04-15 1980-04-15
US06/140,632 US4377836A (en) 1980-04-15 1980-04-15 Circuit interrupter with solid state digital trip unit and positive power-up feature

Publications (2)

Publication Number Publication Date
IT8121171A0 IT8121171A0 (it) 1981-04-14
IT1137369B true IT1137369B (it) 1986-09-10

Family

ID=26838358

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21171/81A IT1137369B (it) 1980-04-15 1981-04-14 Apparecciatura di interruzione di circuiti

Country Status (9)

Country Link
AU (1) AU549018B2 (fr)
BR (1) BR8102310A (fr)
CH (1) CH658755A5 (fr)
FR (1) FR2481534B1 (fr)
GB (1) GB2073969B (fr)
IE (1) IE51346B1 (fr)
IT (1) IT1137369B (fr)
MX (1) MX154859A (fr)
NZ (1) NZ196611A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456871A (en) * 1982-04-05 1984-06-26 Siemens-Allis, Inc. Power supply for electronic control system
US4423458A (en) 1982-04-05 1983-12-27 Siemens-Allis, Inc. Signal processing system for overload relay or the like
US4446498A (en) * 1982-04-05 1984-05-01 Siemens-Allis, Inc. Electronic control system for overload relay or the like
US4423459A (en) 1982-04-05 1983-12-27 Siemens-Allis, Inc. Solid state circuit protection system and method
US4672501A (en) * 1984-06-29 1987-06-09 General Electric Company Circuit breaker and protective relay unit
FR2578091B1 (fr) * 1985-02-25 1988-08-05 Merlin Gerin Disjoncteur a declencheur statique numerique dote d'un circuit de calibrage
FR2578090B1 (fr) * 1985-02-25 1989-12-01 Merlin Gerin Disjoncteur a declencheur statique numerise a fonction de declenchement a temps inverse
JPS61207128A (ja) * 1985-03-07 1986-09-13 三菱電機株式会社 反限時継電器
FR2595170B1 (fr) * 1986-03-03 1990-03-09 Mors Procede de protection electronique de moteur electrique et dispositif pour sa mise en oeuvre
US4752853A (en) * 1987-02-20 1988-06-21 Westinghouse Electric Corp. Circuit interrupter apparatus with an integral trip curve display
US4809125A (en) * 1987-02-20 1989-02-28 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving rating plug
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
JP2604015B2 (ja) * 1988-09-09 1997-04-23 日本碍子株式会社 配電線監視システム
JPH0284014A (ja) * 1988-09-20 1990-03-26 Ngk Insulators Ltd 配電線監視システム
JPH0834705B2 (ja) * 1988-11-16 1996-03-29 株式会社大林組 開閉器
AT399429B (de) * 1989-06-06 1995-05-26 Gec Alsthom T & D Gmbh Elektronische einrichtung mit einer steckeinheit zur ausschaltüberwachung von schaltgeräten
US6097192A (en) * 1998-03-05 2000-08-01 General Electric Company Method for initializing short time and groundfault protection heat index accumulators in a trip unit
US8355230B2 (en) 2003-12-08 2013-01-15 Siemens Industry, Inc. Extended instantaneous protection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2609654B2 (de) * 1976-03-09 1978-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler ueberstromausloeser
FR2412079A1 (fr) * 1977-12-13 1979-07-13 Electricite De France Dispositif de mesure a affichage numerique d'une valeur temporaire de tension a frequence de reseau, en reponse a l'apparition d'un signal d'evenement
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
GB2020124B (en) * 1978-04-27 1982-08-25 Tokyo Shibaura Electric Co Overcurrent protection
JPS55127821A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital protection relay unit
US4339802A (en) * 1979-08-10 1982-07-13 Tokyo Shibaura Denki Kabushiki Kaisha Digital protective relaying devices
US4319298A (en) * 1979-08-28 1982-03-09 General Electric Company Motor protection device
EP0047749A1 (fr) * 1980-02-23 1982-03-24 George Ellison Limited Dispositifs de protection de surintensite de courant

Also Published As

Publication number Publication date
GB2073969A (en) 1981-10-21
FR2481534A1 (fr) 1981-10-30
CH658755A5 (de) 1986-11-28
AU6873281A (en) 1981-10-22
GB2073969B (en) 1984-09-26
MX154859A (es) 1987-12-22
IE51346B1 (en) 1986-12-10
IE810731L (en) 1981-10-15
AU549018B2 (en) 1986-01-09
BR8102310A (pt) 1981-12-08
IT8121171A0 (it) 1981-04-14
FR2481534B1 (fr) 1986-12-26
NZ196611A (en) 1985-07-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960430