JPS5045252A - - Google Patents

Info

Publication number
JPS5045252A
JPS5045252A JP49091598A JP9159874A JPS5045252A JP S5045252 A JPS5045252 A JP S5045252A JP 49091598 A JP49091598 A JP 49091598A JP 9159874 A JP9159874 A JP 9159874A JP S5045252 A JPS5045252 A JP S5045252A
Authority
JP
Japan
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.)
Pending
Application number
JP49091598A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5045252A publication Critical patent/JPS5045252A/ja
Pending 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
    • H02H3/08—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
JP49091598A 1973-08-13 1974-08-12 Pending JPS5045252A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US387993A US3925709A (en) 1973-08-13 1973-08-13 Overcurrent protection circuit for AC systems

Publications (1)

Publication Number Publication Date
JPS5045252A true JPS5045252A (en]) 1975-04-23

Family

ID=23532178

Family Applications (2)

Application Number Title Priority Date Filing Date
JP49091598A Pending JPS5045252A (en]) 1973-08-13 1974-08-12
JP1978160040U Pending JPS54101455U (en]) 1973-08-13 1978-11-22

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1978160040U Pending JPS54101455U (en]) 1973-08-13 1978-11-22

Country Status (8)

Country Link
US (1) US3925709A (en])
JP (2) JPS5045252A (en])
CA (1) CA1032604A (en])
DE (1) DE2438616A1 (en])
FR (1) FR2241153B1 (en])
GB (1) GB1462410A (en])
IT (1) IT1018353B (en])
NL (1) NL7410597A (en])

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100125U (en]) * 1976-01-28 1977-07-29
JPS533796A (en) * 1976-06-30 1978-01-13 Sharp Corp Battery driven apparatus
JPS533636A (en) * 1976-07-01 1978-01-13 Takeda Riken Ind Co Ltd Aac power service interruption detector
JPS541850A (en) * 1977-06-02 1979-01-09 Westinghouse Electric Corp Electronic device
JPS56174992U (en]) * 1981-06-05 1981-12-24
JPH0217928U (en]) * 1988-07-19 1990-02-06

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247790A (en) * 1976-01-22 1981-01-27 Westinghouse Electric Corp. Failsafe train vehicle control signal threshold detector apparatus
US4181863A (en) * 1976-04-03 1980-01-01 Ferranti Limited Photodiode circuit arrangements
US4112286A (en) * 1976-06-28 1978-09-05 Firing Circuits, Inc. Power circuit for induction heating
GB1594121A (en) * 1977-02-08 1981-07-30 Ass Eng Ltd Electrical protection circuits
US4153872A (en) * 1977-06-16 1979-05-08 P. R. Mallory & Co. Inc. Crest firing means
NL178634C (nl) * 1978-01-02 1986-04-16 Philips Nv Inrichting voor het detecteren van ongewenste signaalcombinaties van twee signaallampen bij verkeerslichten.
DE2831479A1 (de) * 1978-07-18 1980-01-31 Bosch Gmbh Robert Schaltungsanordnung zur einstellung des stromes von einer batterie zu einem elektromotor
US4250501A (en) * 1978-07-28 1981-02-10 Kurt Pokrandt Current sensing circuitry
US4205358A (en) * 1978-10-26 1980-05-27 General Electric Company Ground fault protection system
US4245185A (en) * 1979-03-23 1981-01-13 Westinghouse Electric Corp. Solid state circuit breaker with three phase capability
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
FR2504043A1 (fr) * 1981-04-16 1982-10-22 Renault Dispositif electronique de securite notamment pour machines a souder
US4363064A (en) * 1981-07-27 1982-12-07 The United States Of America As Represented By The Secretary Of The Navy Overcurrent protection system
US4471323A (en) * 1981-11-19 1984-09-11 Trilling Ted R Protection circuits for complementary direct-coupled amplifiers
CA1226622A (en) * 1983-04-18 1987-09-08 United Technologies Corporation Current overload detector
DK165105C (da) * 1985-08-19 1993-02-22 Smidth & Co As F L Fremgangsmaade og kredsloeb til beskyttelsestaending af thyristorer i en impulsgenerator
US4825330A (en) * 1987-10-06 1989-04-25 The United States Of America As Represented By The Department Of Health And Human Services Ultra-fast solid state power interrupter
US4943761A (en) * 1988-07-06 1990-07-24 Westinghouse Electric Corp. Current limited DC power controller
US4835652A (en) * 1988-07-06 1989-05-30 Westinghouse Electric Corp. Bi-directional DC power controller with fault protection
DE3841186A1 (de) * 1988-12-07 1990-06-13 Asea Brown Boveri Einrichtung fuer elektrische verbraucher
FR2643195B1 (fr) * 1989-02-15 1992-12-31 Univ Alsace Procede et dispositif de protection d'un circuit ou reseau electrique a l'aide d'un disjoncteur a courant differentiel
DE3929236A1 (de) * 1989-08-24 1991-02-28 Walter Becker Elekronik Transp Schutzschaltung fuer stromanschlusseinrichtungen insbesondere fuer wechselstromverbraucher
US5181155A (en) * 1990-08-30 1993-01-19 Beg Mirza A Overcurrent trip circuit
US5251157A (en) * 1990-12-28 1993-10-05 Westinghouse Electric Corp. Process for offset adjustment of a microprocessor based overcurrent protective device and apparatus
US5815364A (en) * 1991-10-18 1998-09-29 Eaton Corporation Ultrasonic coil current regulator
US5418677A (en) * 1990-12-28 1995-05-23 Eaton Corporation Thermal modeling of overcurrent trip during power loss
US5525985A (en) * 1990-12-28 1996-06-11 Eaton Corporation Sure chip
ZA919656B (en) * 1990-12-28 1992-09-30 Westinghouse Electric Corp Voltage controlled power supply
US5270898A (en) * 1990-12-28 1993-12-14 Westinghouse Electric Corp. Sure chip plus
US6011679A (en) * 1998-09-30 2000-01-04 Digital Equipment Corp. Methods and apparatus for controlling a power supply with improved techniques for providing protection limits
RU2153750C1 (ru) * 1999-01-05 2000-07-27 Акционерное общество закрытого типа "Контактор" Устройство для максимальной токовой защиты электроустановки переменного тока
JP4266835B2 (ja) * 2004-01-05 2009-05-20 アルパイン株式会社 スピーカシステム
US10374421B2 (en) 2017-03-24 2019-08-06 Abb Schweiz Ag Systems and methods for line voltage drop compensation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4216175Y1 (en]) * 1964-12-11 1967-09-19
US3351818A (en) * 1965-01-08 1967-11-07 American Gas Ass A. c. -operable voltage threshold circuits
US3480834A (en) * 1966-09-19 1969-11-25 Westinghouse Electric Corp Miniature overvoltage protection circuit having separate voltage sensing and time delay circuits
JPS5528200B1 (en]) * 1970-09-02 1980-07-25
GB1379223A (en) * 1971-02-01 1975-01-02 Rca Corp Overcurrent protection circuit for a voltage regulator
US3693060A (en) * 1971-04-13 1972-09-19 Philips Corp Solid-state relay using light-emitting diodes
US3783354A (en) * 1972-09-29 1974-01-01 Nasa Phase protection system for ac power lines
US3818275A (en) * 1973-01-30 1974-06-18 Westinghouse Electric Corp Circuit interrupter including improved trip circuit using current transformers
US3811073A (en) * 1973-03-05 1974-05-14 Westinghouse Electric Corp Alternating current sensing circuit and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100125U (en]) * 1976-01-28 1977-07-29
JPS533796A (en) * 1976-06-30 1978-01-13 Sharp Corp Battery driven apparatus
JPS533636A (en) * 1976-07-01 1978-01-13 Takeda Riken Ind Co Ltd Aac power service interruption detector
JPS541850A (en) * 1977-06-02 1979-01-09 Westinghouse Electric Corp Electronic device
JPS56174992U (en]) * 1981-06-05 1981-12-24
JPH0217928U (en]) * 1988-07-19 1990-02-06

Also Published As

Publication number Publication date
NL7410597A (nl) 1975-02-17
CA1032604A (en) 1978-06-06
FR2241153B1 (en]) 1981-08-07
JPS54101455U (en]) 1979-07-17
GB1462410A (en) 1977-01-26
FR2241153A1 (en]) 1975-03-14
IT1018353B (it) 1977-09-30
DE2438616A1 (de) 1975-03-06
US3925709A (en) 1975-12-09

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