DK521688A - Sikkerhedsomskifter til forebyggelse af modsatte energistroemme i noedstroemsanlaeg - Google Patents
Sikkerhedsomskifter til forebyggelse af modsatte energistroemme i noedstroemsanlaegInfo
- Publication number
- DK521688A DK521688A DK521688A DK521688A DK521688A DK 521688 A DK521688 A DK 521688A DK 521688 A DK521688 A DK 521688A DK 521688 A DK521688 A DK 521688A DK 521688 A DK521688 A DK 521688A
- Authority
- DK
- Denmark
- Prior art keywords
- energy source
- energy power
- preventing reverse
- power supply
- input line
- 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
-
- 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)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/099,042 US4763013A (en) | 1987-09-21 | 1987-09-21 | Backup protection switch to prevent reverse power flow in a UPS |
Publications (2)
Publication Number | Publication Date |
---|---|
DK521688D0 DK521688D0 (da) | 1988-09-20 |
DK521688A true DK521688A (da) | 1989-06-26 |
Family
ID=22272259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK521688A DK521688A (da) | 1987-09-21 | 1988-09-20 | Sikkerhedsomskifter til forebyggelse af modsatte energistroemme i noedstroemsanlaeg |
Country Status (10)
Country | Link |
---|---|
US (1) | US4763013A (es) |
EP (1) | EP0309125B1 (es) |
JP (1) | JPH0199446A (es) |
KR (1) | KR890005948A (es) |
AT (1) | ATE92217T1 (es) |
AU (1) | AU587956B2 (es) |
CA (1) | CA1318351C (es) |
DE (1) | DE3882635T2 (es) |
DK (1) | DK521688A (es) |
ES (1) | ES2043836T3 (es) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2614737B1 (fr) * | 1987-04-29 | 1989-06-09 | Cit Alcatel | Alimentation en energie electrique continue secourue avec une signalisation de l'etat de secours par inversion de polarite |
IT1215487B (it) * | 1987-05-14 | 1990-02-14 | Italtel Spa | Circuito per inibire ritorni di tensione e corrente sulla rete di distribuzione dell'energia elettrica, in una stazione di energia del tipo ad invertitori. |
US5315533A (en) * | 1991-05-17 | 1994-05-24 | Best Power Technology, Inc. | Back-up uninterruptible power system |
US6069412A (en) | 1993-03-29 | 2000-05-30 | Powerware Corporation | Power factor corrected UPS with improved connection of battery to neutral |
JP3383100B2 (ja) * | 1995-02-07 | 2003-03-04 | 三菱電機株式会社 | 電力変換器の異常検出装置 |
US5602462A (en) * | 1995-02-21 | 1997-02-11 | Best Power Technology, Incorporated | Uninterruptible power system |
US5659207A (en) * | 1995-08-22 | 1997-08-19 | Delta Electronics, Inc. | Uninterrupted power supply with a controlled operation of alternately charging and discharging of inductances |
US5917250A (en) * | 1997-10-07 | 1999-06-29 | Lucent Technologies Inc. | Isolation circuit and verification controller for a power supply and power plant employing the same |
US6256744B1 (en) * | 1998-09-21 | 2001-07-03 | Compaq Computer Corporation | Personal computer component signal line isolation for an auxiliary powered component |
US6153947A (en) * | 1999-07-06 | 2000-11-28 | Lucent Technologies Inc. | Dual feed hot swap battery plant controller for power supplies |
US6137706A (en) * | 2000-02-19 | 2000-10-24 | Pulizzi Engineering Inc | Dual-input, automatic-switching power supply |
US6330176B1 (en) | 2000-11-15 | 2001-12-11 | Powerware Corporation | Multi-input power transfer and uninterruptible power supply apparatus and methods of operation thereof |
JP3829846B2 (ja) * | 2001-10-03 | 2006-10-04 | 三菱電機株式会社 | 無停電電源装置 |
US20030227785A1 (en) * | 2002-06-06 | 2003-12-11 | Johnson Robert W. | On-line uninterruptible power supplies with two-relay bypass circuit and methods of operation thereof |
US7141892B2 (en) * | 2002-08-20 | 2006-11-28 | Phoenixtec Power Co., Ltd. | Power supply method of a line interactive UPS and the line interactive UPS |
JP4025216B2 (ja) * | 2003-02-21 | 2007-12-19 | 株式会社日立製作所 | 無停電電源装置 |
US7259477B2 (en) * | 2003-08-15 | 2007-08-21 | American Power Conversion Corporation | Uninterruptible power supply |
US7612472B2 (en) * | 2004-01-23 | 2009-11-03 | American Power Conversion Corporation | Method and apparatus for monitoring energy storage devices |
US7379305B2 (en) * | 2004-01-23 | 2008-05-27 | American Power Conversion Corporation | Modular UPS |
US7446433B2 (en) * | 2004-01-23 | 2008-11-04 | American Power Conversion Corporation | Methods and apparatus for providing uninterruptible power |
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 |
US7737580B2 (en) * | 2004-08-31 | 2010-06-15 | 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 |
US7514815B2 (en) * | 2004-09-28 | 2009-04-07 | American Power Conversion Corporation | System and method for allocating power to loads |
US7446437B2 (en) * | 2005-07-22 | 2008-11-04 | American Power Conversion Corporation | Apparatus and method for preventing an electrical backfeed |
KR100648135B1 (ko) * | 2005-07-28 | 2006-11-24 | (주)엡스코어 | 직류전원 보상용 무정전 전원공급장치 |
FR2916100B1 (fr) * | 2007-05-11 | 2009-08-14 | Mge Ups Systems Soc Par Action | Alimentation sans interruption et procede de mise en oeuvre de ladite alimentation |
EP2147585B1 (en) | 2007-05-15 | 2016-11-02 | Schneider Electric IT Corporation | Method and system for managing facility power and cooling |
JP2009036915A (ja) * | 2007-07-31 | 2009-02-19 | Canon Inc | 回路及び加熱装置 |
US7719138B2 (en) * | 2007-09-11 | 2010-05-18 | Gm Global Technology Operations, Inc. | Two-source series inverter |
US8116105B2 (en) * | 2008-02-07 | 2012-02-14 | American Power Conversion Corporation | Systems and methods for uninterruptible power supply control |
US8200370B2 (en) | 2008-12-04 | 2012-06-12 | American Power Conversion Corporation | Energy reduction |
US20100145884A1 (en) * | 2008-12-04 | 2010-06-10 | American Power Conversion Corporation | Energy savings aggregation |
US8212402B2 (en) | 2009-01-27 | 2012-07-03 | American Power Conversion Corporation | System and method for limiting losses in an uninterruptible power supply |
US8503201B2 (en) | 2009-12-03 | 2013-08-06 | Schneider Electric It Corporation | Transient clamping circuitry for voltage converter |
US8148853B2 (en) * | 2009-12-30 | 2012-04-03 | American Power Conversion Corporation | Switching method and apparatus |
US8552589B2 (en) | 2010-05-14 | 2013-10-08 | Schneider Electric It Corporation | Digital control method for operating the UPS systems in parallel |
US8803361B2 (en) | 2011-01-19 | 2014-08-12 | Schneider Electric It Corporation | Apparatus and method for providing uninterruptible power |
US9024474B2 (en) | 2011-08-03 | 2015-05-05 | Schneider Electric It Corporation | UPS mechanical transfer relay arc mitigation |
US9203323B2 (en) * | 2011-09-22 | 2015-12-01 | Renewable Power Conversion, Inc. | Very high efficiency uninterruptible power supply |
DE102011087015B4 (de) * | 2011-11-24 | 2017-11-16 | Airbus Operations Gmbh | Energieversorgungssystem, Luft- oder Raumfahrzeug und Verfahren |
EP2795489A4 (en) | 2011-12-22 | 2016-06-01 | Schneider Electric It Corp | ANALYSIS OF THE EFFECT OF TRANSIENT EVENTS ON TEMPERATURE IN A DATA CENTER |
BR102012000855A2 (pt) * | 2012-01-13 | 2013-11-19 | Evolucoes En Ltda | Sistema de geração perpétua pelo ciclo de autogeração |
WO2014003788A2 (en) | 2012-06-29 | 2014-01-03 | Schneider Electric USA, Inc. | Prediction of available generator running time |
EP2875565A4 (en) * | 2012-07-20 | 2016-03-23 | Active Power Inc | DEVICE AND METHOD FOR THE REVERSE INPUT DETECTION AND CONTROL OF INTERRUPTION-FREE POWER SUPPLY SYSTEMS |
US10459464B2 (en) | 2012-09-03 | 2019-10-29 | Schneider Electric It Corporation | Method and apparatus for controlling distribution of power |
JP6229173B2 (ja) * | 2013-09-30 | 2017-11-15 | パナソニックIpマネジメント株式会社 | 電源切替装置及び蓄電池システム |
US9735615B2 (en) | 2014-07-17 | 2017-08-15 | General Electric Company | Systems and methods for managing power backfeed in uninterruptible power supply systems |
US10224742B2 (en) * | 2015-01-18 | 2019-03-05 | Powerpath Technologies Incorporated | High efficiency uninterruptible power supply with near loss-less ultrafast electromechanical switching |
WO2017054079A1 (en) * | 2015-09-29 | 2017-04-06 | Verail Technologies, Inc. | Locomotives |
CN205489781U (zh) * | 2015-12-31 | 2016-08-17 | 日月元科技(深圳)有限公司 | 电压调整电路以及不断电电源供应系统 |
US10439431B2 (en) * | 2016-02-23 | 2019-10-08 | Vertiv Corporation | Method to reduce inrush currents in a transformer-less rectifier uninterruptible power supply system |
CN107819327B (zh) * | 2016-09-13 | 2019-02-12 | 维谛技术有限公司 | 一种ups电源旁路反灌保护方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1765270B2 (de) * | 1968-04-26 | 1972-07-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum unterbrechungsfreien umschalten eines verbrauchers von einem stromversorgungsaggregat auf ein bereitschaftsnetz oder ersatzaggregat |
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 |
CH497805A (de) * | 1969-10-09 | 1970-10-15 | Agie Ag Ind Elektronik | Verfahren und Vorrichtung zum schnellen Umschalten mindestens eines Wechselstromverbrauchers von einer Spannungsquelle oder Stromquelle auf eine andere Spannungsquelle oder Stromquelle beim Auftreten eines Fehlers in der mit dem Verbraucher verbundenen Quelle |
US3971957A (en) * | 1975-05-30 | 1976-07-27 | Hase A M | Electrical load transfer control system |
US4104539A (en) * | 1976-04-05 | 1978-08-01 | Hase A M | Parallel redundant and load sharing regulated AC system |
US4400624A (en) * | 1982-04-29 | 1983-08-23 | Bell Telephone Laboratories, Incorporated | Uninterruptible power supplies |
JPS6043094A (ja) * | 1983-08-17 | 1985-03-07 | Mitsubishi Electric Corp | エレベ−タの故障時運転装置 |
US4598330A (en) * | 1984-10-31 | 1986-07-01 | International Business Machines Corporation | High power direct current switching circuit |
-
1987
- 1987-09-21 US US07/099,042 patent/US4763013A/en not_active Expired - Lifetime
-
1988
- 1988-09-09 EP EP88308334A patent/EP0309125B1/en not_active Expired - Lifetime
- 1988-09-09 AT AT88308334T patent/ATE92217T1/de not_active IP Right Cessation
- 1988-09-09 DE DE88308334T patent/DE3882635T2/de not_active Expired - Fee Related
- 1988-09-09 ES ES88308334T patent/ES2043836T3/es not_active Expired - Lifetime
- 1988-09-19 CA CA000577805A patent/CA1318351C/en not_active Expired - Fee Related
- 1988-09-20 AU AU22421/88A patent/AU587956B2/en not_active Ceased
- 1988-09-20 DK DK521688A patent/DK521688A/da not_active Application Discontinuation
- 1988-09-20 KR KR1019880012149A patent/KR890005948A/ko not_active Application Discontinuation
- 1988-09-21 JP JP63235097A patent/JPH0199446A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU587956B2 (en) | 1989-08-31 |
JPH0199446A (ja) | 1989-04-18 |
ATE92217T1 (de) | 1993-08-15 |
CA1318351C (en) | 1993-05-25 |
ES2043836T3 (es) | 1994-01-01 |
AU2242188A (en) | 1989-03-23 |
EP0309125B1 (en) | 1993-07-28 |
US4763013A (en) | 1988-08-09 |
EP0309125A3 (en) | 1990-02-28 |
DE3882635T2 (de) | 1993-11-11 |
DK521688D0 (da) | 1988-09-20 |
DE3882635D1 (de) | 1993-09-02 |
KR890005948A (ko) | 1989-05-17 |
EP0309125A2 (en) | 1989-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |