BE856935A - Dispositif de commande automatique de transfert et detecteur de tension - Google Patents

Dispositif de commande automatique de transfert et detecteur de tension

Info

Publication number
BE856935A
BE856935A BE179457A BE179457A BE856935A BE 856935 A BE856935 A BE 856935A BE 179457 A BE179457 A BE 179457A BE 179457 A BE179457 A BE 179457A BE 856935 A BE856935 A BE 856935A
Authority
BE
Belgium
Prior art keywords
control device
transfer control
voltage detector
automatic transfer
automatic
Prior art date
Application number
BE179457A
Other languages
English (en)
French (fr)
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 BE856935A publication Critical patent/BE856935A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE179457A 1976-07-19 1977-07-19 Dispositif de commande automatique de transfert et detecteur de tension BE856935A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/706,422 US4096395A (en) 1976-07-19 1976-07-19 Automatic transfer control device and voltage sensor

Publications (1)

Publication Number Publication Date
BE856935A true BE856935A (fr) 1978-01-19

Family

ID=24837490

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179457A BE856935A (fr) 1976-07-19 1977-07-19 Dispositif de commande automatique de transfert et detecteur de tension

Country Status (13)

Country Link
US (1) US4096395A (es)
JP (1) JPS6022576B2 (es)
AR (1) AR212930A1 (es)
AU (1) AU509822B2 (es)
BE (1) BE856935A (es)
BR (1) BR7704657A (es)
CA (1) CA1072198A (es)
DE (1) DE2732380A1 (es)
ES (1) ES460867A1 (es)
FR (1) FR2359533A1 (es)
GB (1) GB1555602A (es)
IT (1) IT1077350B (es)
ZA (1) ZA773867B (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218625A (en) * 1978-01-25 1980-08-19 Beckwith Robert W Synchronizing check relay
JPH0112517Y2 (es) * 1980-06-05 1989-04-12
JPH0783552B2 (ja) * 1985-03-04 1995-09-06 株式会社日立製作所 電源装置
US4701690A (en) * 1985-11-27 1987-10-20 Basler Electric Company Transfer apparatus, regulating apparatus and methods
US4769611A (en) * 1985-11-27 1988-09-06 Basler Electric Company Frequency sensing circuits and methods
US4672227A (en) * 1986-03-17 1987-06-09 Westinghouse Electric Corp. Automatic transfer switch with delay
US4684818A (en) * 1986-08-01 1987-08-04 General Motors Corporation Motor vehicle electrical system providing multiple DC voltages
US4800291A (en) * 1987-03-04 1989-01-24 Basler Electric Company Electronic circuit for control of a voltage regulator of an electrical generator
US4761563A (en) * 1987-10-27 1988-08-02 International Business Machines Corporation Asynchronous multiphase switching gear
US4811136A (en) * 1987-12-24 1989-03-07 Jones Gregory D Phase controller for processing current and voltage faults
US4879624A (en) * 1987-12-24 1989-11-07 Sundstrand Corporation Power controller
US4814934A (en) * 1987-12-24 1989-03-21 Sundstrand Corp. Voltage fault detector
US4812943A (en) * 1987-12-24 1989-03-14 Sundstrand Corp. Current fault protection system
US5182464A (en) * 1991-01-09 1993-01-26 Techmatics, Inc. High speed transfer switch
US5739594A (en) * 1996-02-07 1998-04-14 Zenith Controls, Inc. Controller for automatic transfer switches
US6031298A (en) * 1997-12-19 2000-02-29 International Business Machines Corporation 2N redundant power system and method using cross-coupled AC power transfer
JP3903806B2 (ja) * 2002-02-20 2007-04-11 株式会社ダイフク リモート入出力装置
US7259481B2 (en) * 2003-02-28 2007-08-21 Kohler Co. Automatic transfer switch capable of receiving input power having voltage within a wide range
BRPI1010268B1 (pt) * 2009-03-27 2023-12-05 Aclara Power-Line Systems Inc Unidade de resposta à demanda (dru) e método de execução de resposta à demanda
US8786249B2 (en) 2011-08-05 2014-07-22 Uchicago Argonne, Llc Frequency based electric vehicle charge controller system and method for implementing demand response and regulation services to power grid using frequency detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337742A (en) * 1965-04-20 1967-08-22 William H Baehr Power supply monitor and bus transfer switch
US3535591A (en) * 1968-01-02 1970-10-20 Sola Basic Ind Inc Monitoring system for polyphase electric supply system
US3495130A (en) * 1968-02-12 1970-02-10 Us Navy Three-phase sequence and amplitude detection circuit
US3736470A (en) * 1971-11-15 1973-05-29 Allen Bradley Co Method and apparatus for detecting phase imbalances

Also Published As

Publication number Publication date
GB1555602A (en) 1979-11-14
JPS5312057A (en) 1978-02-03
ES460867A1 (es) 1978-12-01
FR2359533A1 (fr) 1978-02-17
AU2676677A (en) 1979-01-11
AU509822B2 (en) 1980-05-29
ZA773867B (en) 1978-05-30
DE2732380A1 (de) 1978-01-26
US4096395A (en) 1978-06-20
AR212930A1 (es) 1978-11-15
CA1072198A (en) 1980-02-19
IT1077350B (it) 1985-05-04
JPS6022576B2 (ja) 1985-06-03
BR7704657A (pt) 1978-04-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTINGHOUSE ELECTRIC CORP.

Effective date: 19860731