FR2149551A1 - - Google Patents

Info

Publication number
FR2149551A1
FR2149551A1 FR7229596A FR7229596A FR2149551A1 FR 2149551 A1 FR2149551 A1 FR 2149551A1 FR 7229596 A FR7229596 A FR 7229596A FR 7229596 A FR7229596 A FR 7229596A FR 2149551 A1 FR2149551 A1 FR 2149551A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7229596A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
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
Publication of FR2149551A1 publication Critical patent/FR2149551A1/fr
Withdrawn legal-status Critical Current

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
    • H02H3/24—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 undervoltage or no-voltage
    • H02H3/253—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 undervoltage or no-voltage for multiphase applications, e.g. phase interruption
FR7229596A 1971-08-19 1972-08-18 Withdrawn FR2149551A1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17300771A 1971-08-19 1971-08-19

Publications (1)

Publication Number Publication Date
FR2149551A1 true FR2149551A1 (OSRAM) 1973-03-30

Family

ID=22630117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7229596A Withdrawn FR2149551A1 (OSRAM) 1971-08-19 1972-08-18

Country Status (5)

Country Link
US (1) US3749944A (OSRAM)
JP (1) JPS4839949A (OSRAM)
CA (1) CA965480A (OSRAM)
DE (1) DE2239654C3 (OSRAM)
FR (1) FR2149551A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352951A3 (en) * 1988-07-23 1991-07-03 LUCAS INDUSTRIES public limited company A.c. generator fault detector

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959667A (en) * 1972-12-18 1976-05-25 Allis-Chalmers Corporation Overcurrent trip device
US3836790A (en) * 1973-08-22 1974-09-17 Lorain Prod Corp A-c voltage detector
US3940664A (en) * 1974-06-24 1976-02-24 Westinghouse Electric Corporation Multi-phase voltage sensing switching device
US4008417A (en) * 1974-07-29 1977-02-15 General Equipment And Manufacturing Company, Inc. Phase loss detector
JPS51124432U (OSRAM) * 1975-04-03 1976-10-08
US4013902A (en) * 1975-08-06 1977-03-22 Honeywell Inc. Initial reset signal generator and low voltage detector
US4027204A (en) * 1976-01-28 1977-05-31 Borg-Warner Corporation Phase failure detection circuit for multi-phase systems
JPS5380340U (OSRAM) * 1976-12-07 1978-07-04
JPS5917620B2 (ja) * 1977-02-16 1984-04-23 株式会社日立製作所 インバ−タの保護装置
US4344128A (en) * 1980-05-19 1982-08-10 Frye Robert C Automatic process control device
US4432030A (en) * 1982-03-29 1984-02-14 Carrier Corporation Short circuit protection system
EP0219617A1 (en) * 1985-10-03 1987-04-29 Mitsubishi Denki Kabushiki Kaisha Digital equipment
US4709320A (en) * 1986-10-23 1987-11-24 Zenith Electronics Corporation Low voltage shutdown circuit
DE3642314A1 (de) * 1986-12-11 1988-06-23 Basf Ag Verfahren zur herstellung von caprolactam durch beckmannsche umlagerung von cyclohexanonoxim
IT1204503B (it) * 1987-03-11 1989-03-03 Montedipe Spa Processo per la sintesi dell'epsiloncaprolattame
US4797570A (en) * 1987-07-31 1989-01-10 Westinghouse Electric Corp. Automatic paralleling of AC power sources
JPH082918Y2 (ja) * 1987-09-14 1996-01-29 三菱電機株式会社 しゃ断器の不足電圧引はずし制御装置
US5034728A (en) * 1990-02-21 1991-07-23 Taylor Walter E Low voltage warning apparatus and method
KR980004898A (ko) * 1996-06-29 1998-03-30 김광호 비디오 테이프의 잔량검출방법
DE19919331A1 (de) 1999-04-28 2000-11-02 Ellenberger & Poensgen Unterspannungsauslöser
ITMI20090310A1 (it) * 2009-03-03 2010-09-04 Dino Ghilardi Apparato e metodo di rilevazione di guasto in una linea di distribuzione polifase

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069558A (en) * 1957-08-12 1962-12-18 Westinghouse Electric Corp Frequency sensitive control circuit
CA644642A (en) * 1958-10-27 1962-07-10 F. Schuh Niles Undervoltage sensing circuit
US3340459A (en) * 1963-02-28 1967-09-05 Gen Electric Average voltage sensing circuit having highest phase voltage takeover
US3428864A (en) * 1963-04-29 1969-02-18 Ling Temco Vought Inc Multiphase voltage monitoring system
US3313984A (en) * 1963-10-11 1967-04-11 Gen Electric Instantaneous multiphase undervoltage sensing circuit
US3323071A (en) * 1964-07-09 1967-05-30 Nat Semiconductor Corp Semiconductor circuit arrangement utilizing integrated chopper element as zener-diode-coupled transistor
US3321754A (en) * 1964-08-20 1967-05-23 Gen Motors Corp Battery voltage indicating system
US3343130A (en) * 1964-08-27 1967-09-19 Fabri Tek Inc Selection matrix line capacitance recharge system
US3243658A (en) * 1965-07-21 1966-03-29 Hobart Brothers Co Electronic voltage detection and protection device
US3383522A (en) * 1965-08-30 1968-05-14 Westinghouse Electric Corp Undervoltage sensing circuit
US3480834A (en) * 1966-09-19 1969-11-25 Westinghouse Electric Corp Miniature overvoltage protection circuit having separate voltage sensing and time delay circuits
US3535591A (en) * 1968-01-02 1970-10-20 Sola Basic Ind Inc Monitoring system for polyphase electric supply system
FR1594306A (OSRAM) * 1968-03-07 1970-06-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352951A3 (en) * 1988-07-23 1991-07-03 LUCAS INDUSTRIES public limited company A.c. generator fault detector

Also Published As

Publication number Publication date
CA965480A (en) 1975-04-01
US3749944A (en) 1973-07-31
DE2239654C3 (de) 1978-10-05
DE2239654B2 (de) 1978-02-02
JPS4839949A (OSRAM) 1973-06-12
DE2239654A1 (de) 1973-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse