IT7967789A0 - Protezione elettrica con tempo di ritardo dipendente da un ampiezza regolata - Google Patents

Protezione elettrica con tempo di ritardo dipendente da un ampiezza regolata

Info

Publication number
IT7967789A0
IT7967789A0 IT7967789A IT6778979A IT7967789A0 IT 7967789 A0 IT7967789 A0 IT 7967789A0 IT 7967789 A IT7967789 A IT 7967789A IT 6778979 A IT6778979 A IT 6778979A IT 7967789 A0 IT7967789 A0 IT 7967789A0
Authority
IT
Italy
Prior art keywords
delay time
time dependent
electrical protection
regulated amplitude
regulated
Prior art date
Application number
IT7967789A
Other languages
English (en)
Other versions
IT1119072B (it
Inventor
Rodolfo Di Pietro
Original Assignee
Arteche Instr Sistemas
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 Arteche Instr Sistemas filed Critical Arteche Instr Sistemas
Publication of IT7967789A0 publication Critical patent/IT7967789A0/it
Application granted granted Critical
Publication of IT1119072B publication Critical patent/IT1119072B/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
    • H02H3/093—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
    • 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
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/07—Details with automatic reconnection and with permanent disconnection after a predetermined number of reconnection cycles
IT67789/79A 1978-04-13 1979-04-13 Protezione elettrica con tempo di ritardo dipendente da un ampiezza regolata IT1119072B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES468764A ES468764A1 (es) 1978-04-13 1978-04-13 Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ

Publications (2)

Publication Number Publication Date
IT7967789A0 true IT7967789A0 (it) 1979-04-13
IT1119072B IT1119072B (it) 1986-03-03

Family

ID=8475830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67789/79A IT1119072B (it) 1978-04-13 1979-04-13 Protezione elettrica con tempo di ritardo dipendente da un ampiezza regolata

Country Status (4)

Country Link
US (1) US4275445A (it)
EP (1) EP0005324A1 (it)
ES (1) ES468764A1 (it)
IT (1) IT1119072B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN152852B (it) * 1978-08-09 1984-04-21 Gen Electric Co Ltd
EP0047749A1 (en) * 1980-02-23 1982-03-24 George Ellison Limited Overcurrent protection devices
US4335437A (en) * 1980-04-15 1982-06-15 Westinghouse Electric Corp. Circuit interrupter with energy management functions
NZ196611A (en) * 1980-04-15 1985-07-31 Westinghouse Electric Corp Microprocessor control of interrupter trip functions
US4351013A (en) * 1980-04-15 1982-09-21 Westinghouse Electric Corp. Circuit interrupter with multiple display and parameter entry means
US4331998A (en) * 1980-04-15 1982-05-25 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and style designator circuit
DE3114213C3 (de) * 1980-04-15 1994-09-01 Westinghouse Electric Corp Verfahren zum Betreiben eines Trennschalters
US4338647A (en) * 1980-04-15 1982-07-06 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and optically-coupled data input/output system
US4335413A (en) * 1980-04-15 1982-06-15 Westinghouse Electric Corp. Circuit interrupter with remote indicator and power supply
US4396872A (en) * 1981-03-30 1983-08-02 General Mills, Inc. Ballast circuit and method for optimizing the operation of high intensity discharge lamps in the growing of plants
DE3119117C2 (de) * 1981-05-14 1993-10-21 Bosch Gmbh Robert Vorrichtung zum Rücksetzen von Recheneinrichtungen
US4535409A (en) * 1981-09-18 1985-08-13 Mcgraw-Edison Company Microprocessor based recloser control
DE3137496C2 (de) * 1981-09-21 1990-01-25 Siemens AG, 1000 Berlin und 8000 München Digitaler Überstromauslöser
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
GB2123627A (en) * 1982-04-08 1984-02-01 David Alan Dolbey Jones Electrical circuit interruption
GB2141884A (en) * 1983-05-18 1985-01-03 R L & D Limited Electric water heaters
GB2154813A (en) * 1984-02-28 1985-09-11 Dolphin Showers Limited Electric water heaters
US4937757A (en) * 1988-10-11 1990-06-26 General Electric Company Digital circuit interrupter with selectable trip parameters
US4967304A (en) * 1988-10-11 1990-10-30 General Electric Company Digital circuit interrupter with electric motor trip parameters
AT399429B (de) * 1989-06-06 1995-05-26 Gec Alsthom T & D Gmbh Elektronische einrichtung mit einer steckeinheit zur ausschaltüberwachung von schaltgeräten
FR2651919B1 (fr) * 1989-09-13 1995-12-15 Merlin Gerin Disjoncteur comportant un declencheur electronique.
JPH03270632A (ja) * 1990-03-16 1991-12-02 Mitsubishi Electric Corp 事前警報付回路遮断器
GB9222308D0 (en) * 1992-10-23 1992-12-09 Smiths Industries Plc Electrical systems
US5283516A (en) * 1993-02-24 1994-02-01 Pass & Seymour Legrand Low voltage dimmer with no load protection
US5806055A (en) * 1996-12-19 1998-09-08 Zinda, Jr.; Kenneth L. Solid state ballast system for metal halide lighting using fuzzy logic control
JP3851617B2 (ja) * 2003-05-27 2006-11-29 ファナック株式会社 モータ駆動装置
ES2257150B1 (es) * 2004-05-10 2007-03-16 Francisco Dominguez Galiano Interruptor de corrientes de picos.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569785A (en) * 1968-07-09 1971-03-09 Ibm Power system protective relaying by time-coordinated sampling and calculation
CA942838A (en) * 1968-08-08 1974-02-26 Paul E. Couture Method and system for operating an electric power substation
US3842249A (en) * 1971-10-19 1974-10-15 Westinghouse Electric Corp Electrical system with programmed computer control and manually initiated control means
US3972470A (en) * 1972-09-07 1976-08-03 Tokyo Denryoku Kabushiki Kaisha Electric power system supervisory control system comprising A/D converters at various points of the power system
CH565468A5 (it) * 1973-01-31 1975-08-15 Bbc Brown Boveri & Cie
DE2310103B2 (de) * 1973-03-01 1976-11-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronischer ueberstromausloeser
ES414664A1 (es) * 1973-05-11 1976-05-16 Arteche Instr Mejoras introducidas en sistemas de reles de intensidad concaracteristica a tiempo inverso.
JPS6360610B2 (it) * 1973-12-07 1988-11-25
DE2609654B2 (de) * 1976-03-09 1978-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler ueberstromausloeser
US4038695A (en) * 1976-04-19 1977-07-26 General Electric Company Static trip unit for circuit protective devices
US4075699A (en) * 1976-06-24 1978-02-21 Lockheed Electronics Co., Inc. Power monitoring and load shedding system
US4161027A (en) * 1976-10-04 1979-07-10 Electric Power Research Institute, Inc. Digital protection system for transmission lines and associated power equipment

Also Published As

Publication number Publication date
ES468764A1 (es) 1979-10-01
EP0005324A1 (en) 1979-11-14
US4275445A (en) 1981-06-23
IT1119072B (it) 1986-03-03

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