SG47489G - Stabilised power supply for supplying alternating current power to a critical load - Google Patents
Stabilised power supply for supplying alternating current power to a critical loadInfo
- Publication number
- SG47489G SG47489G SG47489A SG47489A SG47489G SG 47489 G SG47489 G SG 47489G SG 47489 A SG47489 A SG 47489A SG 47489 A SG47489 A SG 47489A SG 47489 G SG47489 G SG 47489G
- Authority
- SG
- Singapore
- Prior art keywords
- alternating current
- power supply
- critical load
- stabilised
- supplying alternating
- Prior art date
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)
- Inverter Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Control Of Electrical Variables (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/702,313 US4673825A (en) | 1985-02-15 | 1985-02-15 | Uninterruptible power supply with isolated bypass winding |
Publications (1)
Publication Number | Publication Date |
---|---|
SG47489G true SG47489G (en) | 1989-12-22 |
Family
ID=24820703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG47489A SG47489G (en) | 1985-02-15 | 1989-08-03 | Stabilised power supply for supplying alternating current power to a critical load |
Country Status (14)
Country | Link |
---|---|
US (1) | US4673825A (ru) |
JP (1) | JPH0664500B2 (ru) |
KR (1) | KR930010424B1 (ru) |
CN (1) | CN1009982B (ru) |
BR (1) | BR8600659A (ru) |
CA (1) | CA1241425A (ru) |
DE (1) | DE3604755A1 (ru) |
FR (1) | FR2577728B1 (ru) |
GB (1) | GB2171861B (ru) |
IN (1) | IN168131B (ru) |
IT (1) | IT1190496B (ru) |
MX (1) | MX160227A (ru) |
SG (1) | SG47489G (ru) |
SU (1) | SU1538907A3 (ru) |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210685A (en) * | 1985-03-08 | 1993-05-11 | Westinghouse Electric Corp. | Uninterruptible power supply system and load transfer static switch for such a system |
NL8503480A (nl) * | 1985-12-18 | 1987-07-16 | Philips Nv | Voedingsschakeling. |
US4745299A (en) * | 1986-04-17 | 1988-05-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Off-line switcher with battery reserve |
US4860185A (en) * | 1987-08-21 | 1989-08-22 | Electronic Research Group, Inc. | Integrated uninterruptible power supply for personal computers |
US4763014A (en) * | 1987-09-21 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Backup protection switch to prevent reverse power flow in a UPS |
US4916329A (en) * | 1987-10-05 | 1990-04-10 | Square D Company | Uninterruptible power supply |
US4920475A (en) * | 1988-03-07 | 1990-04-24 | California Institute Of Technology | Integrated traction inverter and battery charger apparatus |
JPH07108092B2 (ja) * | 1988-04-27 | 1995-11-15 | 三菱電機株式会社 | 交流電源装置 |
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 |
US5184025A (en) * | 1988-11-14 | 1993-02-02 | Elegant Design Solutions, Inc. | Computer-controlled uninterruptible power supply |
US5019717A (en) * | 1988-11-14 | 1991-05-28 | Elegant Design Solutions Inc. | Computer-controlled uninterruptable power supply |
IE75374B1 (en) * | 1989-11-13 | 1997-09-10 | Nat Csf Corp | Uninterruptible power supply |
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. |
JP3175121B2 (ja) * | 1991-05-14 | 2001-06-11 | 株式会社ユアサコーポレーション | 無停電電源装置 |
US5302858A (en) * | 1991-12-11 | 1994-04-12 | Best Power Technology, Incorporated | Method and apparatus for providing battery charging in a backup power system |
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 |
KR950019786A (ko) * | 1993-12-21 | 1995-07-24 | 이헌조 | 통신용 광섬유 |
CA2114507A1 (en) * | 1994-01-28 | 1995-07-29 | Seshadri Sivakumar | Bimodal fast transfer off-line uninterruptible power supply |
US5567996A (en) * | 1995-01-30 | 1996-10-22 | Yu; Shih-Chung | AC power supply unit |
US5602462A (en) * | 1995-02-21 | 1997-02-11 | Best Power Technology, Incorporated | Uninterruptible power system |
CA2168520C (en) * | 1995-02-22 | 2003-04-08 | Fereydoun Mekanik | Inverter/charger circuit for uninterruptible power supplies |
US5896280A (en) * | 1997-11-25 | 1999-04-20 | Exide Electronics Corporation | Frequency converter and improved UPS employing the same |
US6173577B1 (en) | 1996-08-16 | 2001-01-16 | American Superconductor Corporation | Methods and apparatus for cooling systems for cryogenic power conversion electronics |
US5801937A (en) * | 1996-10-16 | 1998-09-01 | American Superconductor Corporation | Uninterruptible power supplies having cooled components |
USD403662S (en) * | 1996-12-19 | 1999-01-05 | Xs Technologies, Inc. | Uninterruptible power supply |
US5793627A (en) * | 1997-02-10 | 1998-08-11 | Xs Technologies, Inc | Uninterruptible power supply system with removable front panel display and control module |
US5920132A (en) * | 1997-09-29 | 1999-07-06 | Electric Power Research Institute | Non-rotating portable voltage sag generator |
CN1085428C (zh) * | 1998-07-15 | 2002-05-22 | 单祖良 | 一种不间断电源装置 |
US6359794B1 (en) | 1999-12-01 | 2002-03-19 | Acme Electric Corporation | Battery backup power supply |
KR200186662Y1 (ko) * | 1999-12-29 | 2000-06-15 | 권기섭 | 무정전 전원장치 |
EP1286455A1 (en) * | 2000-03-08 | 2003-02-26 | Kabushiki Kaisha Yaskawa Denki | Pwm cycloconverter and power fault detector |
US6636019B2 (en) * | 2001-04-06 | 2003-10-21 | Carlile R. Stevens | Uninterruptable power supply with energy control |
US7068150B2 (en) * | 2003-02-25 | 2006-06-27 | International Business Machines Corporation | UPS signaling state |
US7352082B2 (en) * | 2004-02-10 | 2008-04-01 | Liebert Corporation | Transfer switch device and method |
US7459804B2 (en) * | 2004-02-10 | 2008-12-02 | Liebert Corporation | Static transfer switch device and method |
US7274112B2 (en) * | 2004-08-31 | 2007-09-25 | American Power Conversion Corporation | Method and apparatus for providing uninterruptible power |
US7939968B2 (en) * | 2004-08-31 | 2011-05-10 | American Power Conversion Corporation | Method and apparatus for providing uninterruptible power |
US7456518B2 (en) * | 2004-08-31 | 2008-11-25 | American Power Conversion Corporation | Method and apparatus for providing uninterruptible power |
US7737580B2 (en) * | 2004-08-31 | 2010-06-15 | American Power Conversion Corporation | Method and apparatus for providing uninterruptible power |
KR100490806B1 (ko) * | 2005-02-04 | 2005-05-24 | 주식회사 린포스 | 슈퍼파워모듈이 장착되어 전지성능과 수명이 향상된 전지 |
JP4137175B2 (ja) * | 2005-05-12 | 2008-08-20 | 新電元工業株式会社 | Dc−dcコンバータ |
EP1806819A1 (en) * | 2006-01-05 | 2007-07-11 | Constructions Electroniques + Telecommunications, en abrégé "C.E.+T" | Backup power system |
US7652393B2 (en) * | 2006-09-14 | 2010-01-26 | American Power Conversion Corporation | Apparatus and method for employing a DC source with an uninterruptible power supply |
CN101291073B (zh) * | 2007-04-17 | 2011-05-04 | 台达电子工业股份有限公司 | 不断电电源供应器及其控制方法 |
US20080272655A1 (en) * | 2007-05-02 | 2008-11-06 | Brooks Vaughan | Uninterruptible Power Supply With Remote Capabilities |
US8116105B2 (en) | 2008-02-07 | 2012-02-14 | American Power Conversion Corporation | Systems and methods for uninterruptible power supply control |
US8036004B2 (en) * | 2008-10-01 | 2011-10-11 | Toshiba International Corporation | Uninterruptible power supply with total isolation |
US8212402B2 (en) | 2009-01-27 | 2012-07-03 | American Power Conversion Corporation | System and method for limiting losses in an uninterruptible power supply |
JP5434229B2 (ja) * | 2009-04-22 | 2014-03-05 | 株式会社デンソー | 充電制御装置 |
JP2011061949A (ja) * | 2009-09-09 | 2011-03-24 | Kyoto Denkiki Kk | 瞬時電圧低下保護装置 |
US8575779B2 (en) | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US8552589B2 (en) | 2010-05-14 | 2013-10-08 | Schneider Electric It Corporation | Digital control method for operating the UPS systems in parallel |
US8853887B2 (en) | 2010-11-12 | 2014-10-07 | Schneider Electric It Corporation | Static bypass switch with built in transfer switch capabilities |
US20120119583A1 (en) * | 2010-11-17 | 2012-05-17 | Allfather Lars P | Combined dc power source and battery power converter |
US8803361B2 (en) | 2011-01-19 | 2014-08-12 | Schneider Electric It Corporation | Apparatus and method for providing uninterruptible power |
CA2825483C (en) | 2011-01-23 | 2019-11-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
JP5724903B2 (ja) * | 2012-02-20 | 2015-05-27 | 株式会社安川電機 | 電源回生装置および電力変換装置 |
US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
US9479011B2 (en) * | 2013-12-05 | 2016-10-25 | General Electric Company | Method and system for a dual conversion uninterruptible power supply |
BR112018004887A2 (pt) | 2015-09-13 | 2018-10-09 | Alpha Tech Inc | sistemas e métodos de controle de potência. |
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 |
CN106100107A (zh) * | 2016-08-16 | 2016-11-09 | 河北五良盟合环保技术有限公司 | 一种自适应双路供电装置 |
CN106100108A (zh) * | 2016-08-16 | 2016-11-09 | 河北五良盟合环保技术有限公司 | 一种自适应不对称双路供电装置 |
CN108073492B (zh) * | 2016-11-14 | 2021-04-23 | 英业达科技有限公司 | 备载电源供电系统 |
CA3069966A1 (en) | 2017-07-14 | 2019-01-17 | Alpha Technologies Services, Inc. | Voltage regulated ac power supply systems and methods |
US11239785B2 (en) * | 2017-11-02 | 2022-02-01 | Ford Global Technologies, Llc | Electric motor with integrated charger |
US10596916B2 (en) * | 2017-11-02 | 2020-03-24 | Ford Global Technologies, Llc | Electrified powertrain with integrated charger |
US11177648B2 (en) * | 2017-12-26 | 2021-11-16 | Eaton Intelligent Power Limited | System and method for compact motor control with redundant power structures |
US20240006912A1 (en) * | 2022-06-30 | 2024-01-04 | Schneider Electric It Corporation | Optimized ups power architecture for power augmentation type of applications |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB671954A (en) * | 1949-07-12 | 1952-05-14 | Clive Leonard Lacey | Improvements in and relating to electric power supply and control apparatus |
US3339082A (en) * | 1965-02-26 | 1967-08-29 | Dielectric Products Engineerin | A.c. power supply system having alternate sources of supply |
FR2033008A5 (ru) * | 1969-02-26 | 1970-11-27 | Holzer Patent Ag | |
US3614461A (en) * | 1969-08-11 | 1971-10-19 | Gen Electric Canada | Circuit for keeping the frequency of an inverter synchronized with the frequency of another source |
US3745365A (en) * | 1971-04-23 | 1973-07-10 | Westinghouse Electric Corp | High integrity alternating current power supplies |
US3771012A (en) * | 1972-05-24 | 1973-11-06 | Gen Electric | Battery protective circuit for emergency lighting systems |
US3778634A (en) * | 1973-05-18 | 1973-12-11 | Foxboro Co | Power supply with battery backup |
US3878394A (en) * | 1973-07-09 | 1975-04-15 | John P Golden | Portable X-ray device |
US4010381A (en) * | 1975-04-24 | 1977-03-01 | Bell Telephone Laboratories, Incorporated | No-break ac power supply |
US4216385A (en) * | 1977-11-10 | 1980-08-05 | Sawafuji Electric Co., Ltd. | AC/DC Power supply device |
US4174534A (en) * | 1978-01-20 | 1979-11-13 | Northern Telecom Limited | Master-slave voltage regulator employing pulse width modulation |
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 |
DE2915222C3 (de) * | 1979-04-14 | 1981-12-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Einrichtung zur kontinuierlichen Wechselstromversorgung von Verbrauchern |
JPS5920261B2 (ja) * | 1980-05-07 | 1984-05-11 | 株式会社東芝 | 無停電電源装置 |
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 |
US4475047A (en) * | 1982-04-29 | 1984-10-02 | At&T Bell Laboratories | Uninterruptible power supplies |
JPS59175347A (ja) * | 1983-03-24 | 1984-10-04 | ニシム電子工業株式会社 | 交流無停電電源装置 |
FR2553238B1 (fr) * | 1983-10-10 | 1986-01-17 | Electro Automatisme Aea Atel | Alimentation alternative sans coupure |
-
1985
- 1985-02-15 US US06/702,313 patent/US4673825A/en not_active Expired - Lifetime
-
1986
- 1986-02-10 CA CA000501506A patent/CA1241425A/en not_active Expired
- 1986-02-14 MX MX1551A patent/MX160227A/es unknown
- 1986-02-14 SU SU864027029A patent/SU1538907A3/ru active
- 1986-02-14 GB GB8603684A patent/GB2171861B/en not_active Expired
- 1986-02-14 FR FR8602031A patent/FR2577728B1/fr not_active Expired - Fee Related
- 1986-02-14 IT IT47663/86A patent/IT1190496B/it active
- 1986-02-14 JP JP61030598A patent/JPH0664500B2/ja not_active Expired - Lifetime
- 1986-02-14 DE DE19863604755 patent/DE3604755A1/de not_active Withdrawn
- 1986-02-15 CN CN86101648A patent/CN1009982B/zh not_active Expired
- 1986-02-15 KR KR1019860001055A patent/KR930010424B1/ko not_active IP Right Cessation
- 1986-02-17 BR BR8600659A patent/BR8600659A/pt not_active IP Right Cessation
- 1986-02-17 IN IN124/DEL/86A patent/IN168131B/en unknown
-
1989
- 1989-08-03 SG SG47489A patent/SG47489G/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2171861A (en) | 1986-09-03 |
KR930010424B1 (ko) | 1993-10-23 |
GB2171861B (en) | 1989-04-19 |
MX160227A (es) | 1990-01-09 |
JPS61239311A (ja) | 1986-10-24 |
IT1190496B (it) | 1988-02-16 |
DE3604755A1 (de) | 1986-08-21 |
GB8603684D0 (en) | 1986-03-19 |
FR2577728A1 (fr) | 1986-08-22 |
IN168131B (ru) | 1991-02-09 |
CN86101648A (zh) | 1986-10-22 |
SU1538907A3 (ru) | 1990-01-23 |
CA1241425A (en) | 1988-08-30 |
CN1009982B (zh) | 1990-10-10 |
KR860006854A (ko) | 1986-09-15 |
US4673825A (en) | 1987-06-16 |
BR8600659A (pt) | 1986-10-29 |
FR2577728B1 (fr) | 1993-12-17 |
JPH0664500B2 (ja) | 1994-08-22 |
IT8647663A0 (it) | 1986-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2171861B (en) | Stabilised power supply for supplying alternating current power to a critical load | |
GB2170663B (en) | Harmonic-resonant power supply | |
GB2177556B (en) | Power supply | |
GB8602838D0 (en) | A c power supply | |
GB8626200D0 (en) | Electrical power supply | |
GB8508064D0 (en) | Electrical power supplies | |
EP0219134A3 (en) | Power supply construction | |
GB2184903B (en) | A no-break power supply system | |
EP0215362A3 (en) | Ac power supply device | |
GB2182466B (en) | Switching power supply regulator for isolated chassis | |
KR930011961B1 (en) | Direct current electric railroad power supply apparatus | |
GB2153603B (en) | Dc to dc forward converter power supply | |
GB8611236D0 (en) | Regulating power supply | |
GB2172764B (en) | High-voltage power supply | |
EP0226870A3 (en) | Power supply/sink for use with switched inductive loads | |
KR860006149A (ko) | 부하회로에 전력을 공급하기 위한 여분직류 전원장치 | |
GB8813770D0 (en) | Direct current power supply | |
EP0194075A3 (en) | Switching power supply | |
EP0211300A3 (en) | Switching power supply | |
YU86184A (en) | Circuitry for continuous powering with ac current | |
DE3664844D1 (en) | Light-activated thyristor with a low-loss supply of control power | |
DE3573692D1 (en) | Dc power supply | |
GB2181576B (en) | Interruption-free power supply arrangement | |
IL86772A0 (en) | Electrical power supply for operating a load at reduced power | |
GB2224403B (en) | A no-break power supply system |