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GB1214880A - Improvements in or relating to standby power supply systems arrangements - Google Patents

Improvements in or relating to standby power supply systems arrangements

Info

Publication number
GB1214880A
GB1214880A GB48274/68A GB4827468A GB1214880A GB 1214880 A GB1214880 A GB 1214880A GB 48274/68 A GB48274/68 A GB 48274/68A GB 4827468 A GB4827468 A GB 4827468A GB 1214880 A GB1214880 A GB 1214880A
Authority
GB
United Kingdom
Prior art keywords
power supply
inverter
current
power
phase
Prior art date
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.)
Expired
Application number
GB48274/68A
Inventor
Alan Henry Weinberg
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB48274/68A priority Critical patent/GB1214880A/en
Publication of GB1214880A publication Critical patent/GB1214880A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5383—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement
    • H02M7/53846—Control circuits
    • H02M7/53862—Control circuits using transistor type converters
    • 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
    • H02J9/062—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 AC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5383—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement
    • H02M7/53846—Control circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

1,214,880. Standby power supplies; reactive current converters. PLESSEY CO. Ltd. 11 Oct 1968, No. 48274/68. Headings H2F and H2H. An emergency power supply system comprises an inverter 1 which is locked in phase quadrature with an A.C. power supply, and which provides current to the load 4 in the event of a power failure. Under normal conditions the inverter provides charging current for battery 5, and a voltage proportional to this current is derived across resistor 14 for controlling phase shift circuit 6. The oscillator of inverter 1 is synchronized with the power supply via the phase shifter 6 so as to maintain its output substantially in quadrature with the supply. The control voltage from resistor 14 causes the phase angle to differ slightly from 90 degrees to provide a charging current for the battery 5. In the event of a power failure, the inverter 1 takes over and controls thyristors 23 to prevent power being fed back to the mains input.
GB48274/68A 1968-10-11 1968-10-11 Improvements in or relating to standby power supply systems arrangements Expired GB1214880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB48274/68A GB1214880A (en) 1968-10-11 1968-10-11 Improvements in or relating to standby power supply systems arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48274/68A GB1214880A (en) 1968-10-11 1968-10-11 Improvements in or relating to standby power supply systems arrangements

Publications (1)

Publication Number Publication Date
GB1214880A true GB1214880A (en) 1970-12-09

Family

ID=10448022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48274/68A Expired GB1214880A (en) 1968-10-11 1968-10-11 Improvements in or relating to standby power supply systems arrangements

Country Status (1)

Country Link
GB (1) GB1214880A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145296A (en) * 1983-08-16 1985-03-20 Meidensha Electric Mfg Co Ltd Power supply equipment proof against interruption of service
GB2181576A (en) * 1985-10-12 1987-04-23 Magtron Magneto Elekt Geraete Interruption-free power supply arrangement
CN102308465A (en) * 2009-02-13 2012-01-04 瓦锡兰挪威有限公司 Power supply system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145296A (en) * 1983-08-16 1985-03-20 Meidensha Electric Mfg Co Ltd Power supply equipment proof against interruption of service
US4604530A (en) * 1983-08-16 1986-08-05 Kabushiki Kaisha Meidensha Power supply equipment backup system for interruption of service
GB2181576A (en) * 1985-10-12 1987-04-23 Magtron Magneto Elekt Geraete Interruption-free power supply arrangement
GB2181576B (en) * 1985-10-12 1989-09-27 Magtron Magneto Elektronische Interruption-free power supply arrangement
CN102308465A (en) * 2009-02-13 2012-01-04 瓦锡兰挪威有限公司 Power supply system
US8816524B2 (en) 2009-02-13 2014-08-26 Wartsila Norway As Power supply system
CN102308465B (en) * 2009-02-13 2014-09-24 瓦锡兰挪威有限公司 Power supply system

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