IT1068967B - Modulo di accelerazione a lungo ritardo per una apparecchiatura a relle di sovraccarico - Google Patents

Modulo di accelerazione a lungo ritardo per una apparecchiatura a relle di sovraccarico

Info

Publication number
IT1068967B
IT1068967B IT41601/76A IT4160176A IT1068967B IT 1068967 B IT1068967 B IT 1068967B IT 41601/76 A IT41601/76 A IT 41601/76A IT 4160176 A IT4160176 A IT 4160176A IT 1068967 B IT1068967 B IT 1068967B
Authority
IT
Italy
Prior art keywords
rella
overload
equipment
acceleration module
long delay
Prior art date
Application number
IT41601/76A
Other languages
English (en)
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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1068967B publication Critical patent/IT1068967B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)
  • Motor And Converter Starters (AREA)
IT41601/76A 1975-06-02 1976-06-01 Modulo di accelerazione a lungo ritardo per una apparecchiatura a relle di sovraccarico IT1068967B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/583,323 US4002948A (en) 1975-06-02 1975-06-02 Long delay acceleration module for an overload relay system

Publications (1)

Publication Number Publication Date
IT1068967B true IT1068967B (it) 1985-03-21

Family

ID=24332627

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41601/76A IT1068967B (it) 1975-06-02 1976-06-01 Modulo di accelerazione a lungo ritardo per una apparecchiatura a relle di sovraccarico

Country Status (14)

Country Link
US (1) US4002948A (it)
JP (1) JPS51147739A (it)
AU (1) AU500677B2 (it)
BE (1) BE842350A (it)
BR (1) BR7603425A (it)
CA (1) CA1027666A (it)
CH (1) CH600641A5 (it)
DE (1) DE2624784A1 (it)
ES (1) ES448413A1 (it)
FR (1) FR2313790A1 (it)
GB (1) GB1552640A (it)
IT (1) IT1068967B (it)
SE (1) SE409788B (it)
ZA (1) ZA762981B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153924A (en) * 1977-10-12 1979-05-08 Mcgraw-Edison Company Inrush current restraint circuit for alternating power system switch
US4368500A (en) * 1981-04-27 1983-01-11 Westinghouse Electric Corp. Solid-state load protection system having an improved inverse time delay circuit
SE426895B (sv) * 1981-07-06 1983-02-14 Asea Ab Skyddsanordning for en seriekondensator i ett hogspenningsnet
DE3236033A1 (de) * 1982-09-29 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Schraubvorrichtung
US4628395A (en) * 1983-11-21 1986-12-09 Mitsubishi Denki Kabushiki Kaisha Overload protecting circuit for an inverter device
DE3404359A1 (de) * 1984-02-08 1985-08-08 L. Schuler GmbH, 7320 Göppingen Elektrische schaltungsanordnung zum schutz von pressen
GB8726783D0 (en) * 1987-11-16 1987-12-23 Chin Fay Lai Over current circuit breaker
US5045778A (en) * 1989-01-30 1991-09-03 Sigma Instruments, Inc. Fault indicator with inrush restraint
JP3380360B2 (ja) * 1995-04-25 2003-02-24 三菱電機株式会社 車載用電動開閉体の開閉制御方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551022A (en) * 1945-11-30 1951-05-01 Allis Chalmers Mfg Co Electric protective system with inrush current compensation
US2914702A (en) * 1957-06-06 1959-11-24 Ite Circuit Breaker Ltd Adjustable instantaneous overload trip device
FR1511108A (fr) * 1966-12-15 1968-01-26 Mechanical Products Inc Dispositif de protection de circuits électroniques
US3602783A (en) * 1970-05-07 1971-08-31 Westinghouse Electric Corp Circuit breaker device including improved overcurrent protective device
US3739229A (en) * 1971-09-20 1973-06-12 Mc Graw Edison Co Overcurrent sensing and restraint control for sectionalizing switch
US3996499A (en) * 1974-09-09 1976-12-07 Westinghouse Electric Corporation Zener diode effect on long acceleration module

Also Published As

Publication number Publication date
SE409788B (sv) 1979-09-03
US4002948A (en) 1977-01-11
GB1552640A (en) 1979-09-19
CA1027666A (en) 1978-03-07
AU1408676A (en) 1977-11-24
ZA762981B (en) 1977-04-27
FR2313790A1 (fr) 1976-12-31
SE7606084L (sv) 1976-12-03
AU500677B2 (en) 1979-05-31
BR7603425A (pt) 1977-02-15
BE842350A (fr) 1976-11-29
ES448413A1 (es) 1977-07-01
DE2624784A1 (de) 1976-12-16
JPS51147739A (en) 1976-12-18
CH600641A5 (it) 1978-06-30
FR2313790B1 (it) 1982-11-19

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