CA1202711A - Uninterruptible ac power supply - Google Patents

Uninterruptible ac power supply

Info

Publication number
CA1202711A
CA1202711A CA000449116A CA449116A CA1202711A CA 1202711 A CA1202711 A CA 1202711A CA 000449116 A CA000449116 A CA 000449116A CA 449116 A CA449116 A CA 449116A CA 1202711 A CA1202711 A CA 1202711A
Authority
CA
Canada
Prior art keywords
commercial
line
winding
inverter unit
power
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
CA000449116A
Other languages
English (en)
French (fr)
Inventor
Kosuke Harada
Takazi Nakamizo
Katsuaki Murata
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.)
Nishimu Electronics Industries Co Inc
Original Assignee
Nishimu Electronics Industries Co Inc
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 Nishimu Electronics Industries Co Inc filed Critical Nishimu Electronics Industries Co Inc
Application granted granted Critical
Publication of CA1202711A publication Critical patent/CA1202711A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Inverter Devices (AREA)
CA000449116A 1983-03-24 1984-03-08 Uninterruptible ac power supply Expired CA1202711A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47902/83 1983-03-24
JP58047902A JPS59175347A (ja) 1983-03-24 1983-03-24 交流無停電電源装置

Publications (1)

Publication Number Publication Date
CA1202711A true CA1202711A (en) 1986-04-01

Family

ID=12788320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000449116A Expired CA1202711A (en) 1983-03-24 1984-03-08 Uninterruptible ac power supply

Country Status (6)

Country Link
US (1) US4556802A (enExample)
JP (1) JPS59175347A (enExample)
CA (1) CA1202711A (enExample)
DE (1) DE3409358A1 (enExample)
FR (1) FR2543375B1 (enExample)
GB (1) GB2137033B (enExample)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412060A1 (de) * 1984-03-31 1985-10-10 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Einrichtung zum betreiben einer spinnerei- oder zwirnereimaschine
JPH038038Y2 (enExample) * 1984-11-05 1991-02-27
US4673825A (en) * 1985-02-15 1987-06-16 Exide Electronics Corporation Uninterruptible power supply with isolated bypass winding
JP2909820B2 (ja) * 1985-09-25 1999-06-23 ニシム電子工業株式会社 交流無停電電源装置による負荷起動方法
NL8503480A (nl) * 1985-12-18 1987-07-16 Philips Nv Voedingsschakeling.
US4749908A (en) * 1985-12-26 1988-06-07 Electronic Specialists, Inc. Emergency power supply
US4745299A (en) * 1986-04-17 1988-05-17 American Telephone And Telegraph Company, At&T Bell Laboratories Off-line switcher with battery reserve
US4675538A (en) * 1986-06-02 1987-06-23 Epstein Barry M General purpose uninterruptible power supply
US4707618A (en) * 1986-06-02 1987-11-17 Haas Richard M Switch protection mechanism
US4797567A (en) * 1987-01-27 1989-01-10 Greg Pappas Shutter control apparatus
CA1267717A (en) * 1987-07-29 1990-04-10 Alfred M. Hase High speed load transfer system
US4782241A (en) * 1987-08-11 1988-11-01 Liebert Corporation Uninterruptible power supply apparatus and power path transfer method
US4860185A (en) * 1987-08-21 1989-08-22 Electronic Research Group, Inc. Integrated uninterruptible power supply for personal computers
JP2849598B2 (ja) * 1988-10-25 1999-01-20 ニシム電子工業株式会社 トライポート無停電電源装置の並列運転装置
US5237208A (en) * 1988-10-25 1993-08-17 Nishimu Electronics Industries Co., Ltd. Apparatus for parallel operation of triport uninterruptable power source devices
WO1991004601A1 (en) * 1989-09-20 1991-04-04 Yard Jeffrey K Automatic control circuit for backup voltage supply
DE4108259A1 (de) * 1990-03-27 1991-10-02 Oezkan Akdogan Einrichtung zur unterbrechungsfreien stromversorgung
US5237140A (en) * 1990-05-25 1993-08-17 Sawafuji Electric Co., Ltd. a-c/d-c microwave oven
FR2667734B1 (fr) * 1990-10-08 1995-06-09 Merlin Gerin Installation d'alimentation en energie electrique alternative comportant une alimentation de concours equipee d'un onduleur fonctionnant en mode reversible.
FR2686199A1 (fr) * 1992-01-14 1993-07-16 Bailly Daniel Systeme de conversion d'energie electrique.
EP0575607A1 (fr) * 1992-01-14 1993-12-29 JANIN, Paul Systeme de conversion d'energie electrique dans un vehicule electrique
US5739595A (en) * 1992-10-28 1998-04-14 Alpha Technologies, Inc. Apparatus and methods for generating an AC power signal for cable tv distribution systems
ZA945823B (en) * 1993-08-19 1995-03-23 Entec Energietech Gmbh Method for the uninterrupted, electrical, supply of a load impedance by means of a supply voltage source
KR950019786A (ko) * 1993-12-21 1995-07-24 이헌조 통신용 광섬유
CA2168520C (en) * 1995-02-22 2003-04-08 Fereydoun Mekanik Inverter/charger circuit for uninterruptible power supplies
DE19613831C1 (de) * 1996-04-06 1997-11-27 Aeg Stromversorgungs Syst Gmbh Anlage zur unterbrechungsfreien Stromversorgung
US7269034B2 (en) 1997-01-24 2007-09-11 Synqor, Inc. High efficiency power converter
US5999417A (en) 1997-01-24 1999-12-07 Fische, Llc High efficiency power converter
JP3038652B2 (ja) * 1997-05-28 2000-05-08 日本電気株式会社 無停電電源装置
DE19901727A1 (de) * 1998-10-28 2000-05-18 Vero Electronics Gmbh Umschalteinrichtung für eine Stromversorgungseinrichtung
US6191500B1 (en) 1998-11-06 2001-02-20 Kling Lindquist Partnership, Inc. System and method for providing an uninterruptible power supply to a critical load
ATE274764T1 (de) 2000-06-01 2004-09-15 Liebert Corp Vorrichtung und verfahren für eine schnelle fehlererkennung und übertragung in eine geräteinteraktive unterbrechungsfreie stromversorgung
US7212928B2 (en) * 2002-09-06 2007-05-01 Invensys Systems, Inc. Multi-measurement vortex flow meter
DE102004018502B3 (de) * 2004-04-14 2006-01-12 Phoenix Contact Gmbh & Co. Kg Vorrichtung zur unterbrechungsfreien Stromversorgung
JP2006280179A (ja) * 2005-03-30 2006-10-12 Honda Motor Co Ltd 直流安定化電源装置
US8575779B2 (en) 2010-02-18 2013-11-05 Alpha Technologies Inc. Ferroresonant transformer for use in uninterruptible power supplies
US9030045B2 (en) 2011-01-23 2015-05-12 Alpha Technologies Inc. Switching systems and methods for use in uninterruptible power supplies
US9234916B2 (en) 2012-05-11 2016-01-12 Alpha Technologies Inc. Status monitoring cables for generators
US10199950B1 (en) 2013-07-02 2019-02-05 Vlt, Inc. Power distribution architecture with series-connected bus converter
AU2016321418A1 (en) 2015-09-13 2018-04-05 Alpha Technologies Services, Inc. Power control systems and methods
US10381867B1 (en) 2015-10-16 2019-08-13 Alpha Technologeis Services, Inc. Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies
GB2563679B (en) * 2017-06-19 2022-07-06 Tridonic Gmbh & Co Kg Emergency converter output switching
CA3069966A1 (en) 2017-07-14 2019-01-17 Alpha Technologies Services, Inc. Voltage regulated ac power supply systems and methods
DE102021207576B4 (de) 2021-07-16 2025-06-18 Siemens Aktiengesellschaft Unterbrechungsfreie Spannungsversorgung für ein Nieder-, Mittel- oder Hochspannungsnetz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010381A (en) * 1975-04-24 1977-03-01 Bell Telephone Laboratories, Incorporated No-break ac power supply
US4038559A (en) * 1976-01-23 1977-07-26 Bell Telephone Laboratories, Incorporated Regulated uninterruptible power supply
US4241261A (en) * 1978-10-23 1980-12-23 Bell Telephone Laboratories, Incorporated Circuit control to limit power drain of auxiliary power supply in UPS system
US4238691A (en) * 1978-12-27 1980-12-09 Bell Telephone Laboratories, Incorporated Phase control arrangement to limit output signal transients during power source substitution in an uninterruptible power supply
US4311920A (en) * 1979-05-02 1982-01-19 Esb United States, Inc. Emergency power source
FR2513031B1 (fr) * 1981-09-17 1986-01-24 Fontaine Ets Pierre Perfectionnements apportes aux procedes et aux dispositifs d'alimentation electrique alternative d'une charge, sans discontinuite du signal alternatif
US4400624A (en) * 1982-04-29 1983-08-23 Bell Telephone Laboratories, Incorporated Uninterruptible power supplies
US4475047A (en) * 1982-04-29 1984-10-02 At&T Bell Laboratories Uninterruptible power supplies

Also Published As

Publication number Publication date
JPH0156621B2 (enExample) 1989-11-30
GB2137033A (en) 1984-09-26
DE3409358C2 (enExample) 1989-09-07
DE3409358A1 (de) 1984-10-04
GB2137033B (en) 1986-05-08
FR2543375A1 (fr) 1984-09-28
GB8407418D0 (en) 1984-05-02
JPS59175347A (ja) 1984-10-04
US4556802A (en) 1985-12-03
FR2543375B1 (fr) 1995-02-24

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Legal Events

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