DE69113981D1 - Steuerverfahren für einen leistungswandler unter verwendung eines hilfskommutierungskreises. - Google Patents

Steuerverfahren für einen leistungswandler unter verwendung eines hilfskommutierungskreises.

Info

Publication number
DE69113981D1
DE69113981D1 DE69113981T DE69113981T DE69113981D1 DE 69113981 D1 DE69113981 D1 DE 69113981D1 DE 69113981 T DE69113981 T DE 69113981T DE 69113981 T DE69113981 T DE 69113981T DE 69113981 D1 DE69113981 D1 DE 69113981D1
Authority
DE
Germany
Prior art keywords
auxiliary
control method
power converter
commuting circuit
commuting
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 - Fee Related
Application number
DE69113981T
Other languages
English (en)
Other versions
DE69113981T2 (de
Inventor
Rik Wivina Anna Adel Dedoncker
James Patrick Francis Lyons
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69113981D1 publication Critical patent/DE69113981D1/de
Publication of DE69113981T2 publication Critical patent/DE69113981T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H02M7/4826—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 operating from a resonant DC source, i.e. the DC input voltage varies periodically, e.g. resonant DC-link inverters
    • 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
    • H02M7/505—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 thyratron or thyristor type requiring extinguishing means
    • H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/523—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit
    • 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
    • H02M7/4811—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 having auxiliary actively switched resonant commutation circuits connected to intermediate DC voltage or between two push-pull branches
    • 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
    • H02M7/505—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 thyratron or thyristor type requiring extinguishing means
    • H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/5152—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with separate extinguishing means
    • 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
    • H02M7/505—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 thyratron or thyristor type requiring extinguishing means
    • H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/523—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit
    • H02M7/5233—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit the commutation elements being in a push-pull arrangement
    • H02M7/5236—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit the commutation elements being in a push-pull arrangement in a series push-pull arrangement
DE69113981T 1990-09-17 1991-05-10 Steuerverfahren für einen leistungswandler unter verwendung eines hilfskommutierungskreises. Expired - Fee Related DE69113981T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/583,910 US5047913A (en) 1990-09-17 1990-09-17 Method for controlling a power converter using an auxiliary resonant commutation circuit
PCT/US1991/003274 WO1992005625A1 (en) 1990-09-17 1991-05-10 Method for controlling a power converter using an auxiliary resonant commutation circuit

Publications (2)

Publication Number Publication Date
DE69113981D1 true DE69113981D1 (de) 1995-11-23
DE69113981T2 DE69113981T2 (de) 1996-05-30

Family

ID=24335109

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69113981T Expired - Fee Related DE69113981T2 (de) 1990-09-17 1991-05-10 Steuerverfahren für einen leistungswandler unter verwendung eines hilfskommutierungskreises.

Country Status (11)

Country Link
US (1) US5047913A (de)
EP (1) EP0500818B1 (de)
JP (1) JP3037415B2 (de)
KR (1) KR100197825B1 (de)
BR (1) BR9106078A (de)
DE (1) DE69113981T2 (de)
ES (1) ES2079661T3 (de)
GR (1) GR1000904B (de)
MX (1) MX9100234A (de)
PT (1) PT98263B (de)
WO (1) WO1992005625A1 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172309A (en) * 1991-08-07 1992-12-15 General Electric Company Auxiliary quasi-resonant dc link converter
US5307004A (en) * 1992-07-06 1994-04-26 Carsten Bruce W Soft switching boost and buck regulators
US5568368A (en) * 1993-05-03 1996-10-22 General Electric Company Square-wave converters with soft voltage transitions for ac power distribution systems
DE69505966T2 (de) * 1994-05-11 1999-04-08 B & W Loudspeakers Gesteuerter kommutierungskreis
JPH08289561A (ja) * 1995-02-14 1996-11-01 Toshiba Corp 電力変換装置
EP0727870B1 (de) * 1995-02-14 2000-08-30 Kabushiki Kaisha Toshiba Leistungswandler
US5684426A (en) * 1995-12-21 1997-11-04 General Electric Company GTO gate driver circuits for snubbered and zero voltage soft switching converters
US5892673A (en) * 1996-03-25 1999-04-06 General Electric Company Robust, high-density, high-efficiency state sequence controller for an auxiliary resonant commutation pole power converter
US5723956A (en) * 1996-05-28 1998-03-03 General Electric Company Low cost electronic ultracapacitor interface technique to provide load leveling of a battery for pulsed load or motor traction drive applications
US5710699A (en) * 1996-05-28 1998-01-20 General Electric Company Power electronic interface circuits for batteries and ultracapacitors in electric vehicles and battery storage systems
US5684688A (en) * 1996-06-24 1997-11-04 Reliance Electric Industrial Company Soft switching three-level inverter
US5798633A (en) * 1996-07-26 1998-08-25 General Electric Company Battery energy storage power conditioning system
US5936855A (en) * 1996-09-03 1999-08-10 Mercury Electric Corporation Harmonic correction of 3-phase rectifiers and converters
FR2753850B1 (fr) * 1996-09-24 1998-11-13 Convertisseur de puissance a commutation douce comprenant des moyens de correction de la tension mediane d'un diviseur de tension capacitif
FR2758019B1 (fr) * 1996-12-30 1999-01-22 Alsthom Cge Alcatel Convertisseur de puissance a commande amelioree des commutateurs principaux
US6091615A (en) * 1997-11-28 2000-07-18 Denso Corporation Resonant power converter
US5898583A (en) * 1998-02-02 1999-04-27 General Electric Company Gate drive latching circuit for an auxiliary resonant commutation circuit
US6069809A (en) * 1998-05-08 2000-05-30 Denso Corporation Resonant inverter apparatus
US6115273A (en) * 1998-07-09 2000-09-05 Illinois Tool Works Inc. Power converter with low loss switching
US6865096B1 (en) * 1998-07-09 2005-03-08 Illinois Tool Works Inc. Power convertor with low loss switching
US6087738A (en) * 1998-08-20 2000-07-11 Robicon Corporation Variable output three-phase transformer
US6262555B1 (en) 1998-10-02 2001-07-17 Robicon Corporation Apparatus and method to generate braking torque in an AC drive
US6225862B1 (en) * 1998-11-13 2001-05-01 Lamda Electronics Inc. Series resonant circuit with inherent short circuit protection
US6268666B1 (en) 1999-02-25 2001-07-31 Southwest Research Institute Bi-directional power conversion apparatus for combination of energy sources
DE19945864A1 (de) * 1999-04-20 2000-10-26 Abb Patent Gmbh ARCP Dreipunkt- oder Mehrpunktstromrichter
EP1087512A3 (de) * 1999-09-02 2006-03-08 ABB PATENT GmbH ARCP Mehrpunktstromrichter mit potientialvariablen Zwischenkreiskapazitäten
EP1287608A1 (de) * 2000-04-03 2003-03-05 Aalborg University Resonanzwandler
US6496388B2 (en) 2000-04-20 2002-12-17 Fairchild Semiconductor Corporation Quasi-resonant converter
WO2001084699A1 (fr) 2000-04-28 2001-11-08 Tdk Corporation Dispositif de conversion de puissance
WO2001086791A1 (fr) * 2000-05-10 2001-11-15 Hitachi Medical Corporation Generateur de rayons x et appareil de tomodensitometrie (ct) a rayons x dans lequel il est integre
DK174165B1 (da) * 2000-10-13 2002-08-05 American Power Conversion Denm Resonanskonverter
SE521885C2 (sv) * 2001-04-11 2003-12-16 Abb Ab Strömriktare
JP2002325464A (ja) 2001-04-26 2002-11-08 Honda Motor Co Ltd 共振形インバータ回路
US6570780B2 (en) 2001-05-17 2003-05-27 Honda Giken Kogyo Kabushiki Kaisha Resonant inverter control system
SE522427C2 (sv) * 2001-05-30 2004-02-10 Abb Ab Omriktaranordning samt förfarande för styrning av en sådan
US6646407B2 (en) * 2001-06-08 2003-11-11 General Motors Corporation Electric motor control having DC-DC converter and method of using same
SE523487C2 (sv) * 2001-07-16 2004-04-20 Abb Ab Förfarande för styrning av en strömriktare
US6563723B2 (en) * 2001-08-13 2003-05-13 Inductotherm Corp. Fault tolerant power supply circuit
US6570370B2 (en) * 2001-08-21 2003-05-27 Raven Technology, Llc Apparatus for automatic tuning and control of series resonant circuits
SE524447C2 (sv) * 2002-08-08 2004-08-10 Abb Ab Strömriktare samt förfarande för styrning därav
TW200623597A (en) * 2004-08-30 2006-07-01 Advanced Energy Ind Inc Bipolar power supply with lossless snubber
US7126833B2 (en) * 2004-11-24 2006-10-24 Ut-Battelle, Llc Auxiliary quasi-resonant dc tank electrical power converter
US7602157B2 (en) 2005-12-28 2009-10-13 Flyback Energy, Inc. Supply architecture for inductive loads
US8672732B2 (en) * 2006-01-19 2014-03-18 Schneider Electric It Corporation Cooling system and method
BRPI0812116B1 (pt) 2007-05-15 2018-12-18 American Power Conv Corp método e sistema para proporcionar uma representação de uma capacidade de um recurso de central de dados
CN101388612B (zh) * 2007-09-14 2011-08-31 力博特公司 一种开关电源中软开关电路的控制方法
EP2191563A2 (de) * 2007-09-18 2010-06-02 Flyback Energy, Inc. Aufbau einer stromwellenform zur erzeugung von wechselstrom mit geringer harmonischer verzerrung aus lokalisierten energiequellen
US8116105B2 (en) 2008-02-07 2012-02-14 American Power Conversion Corporation Systems and methods for uninterruptible power supply control
US7881079B2 (en) * 2008-03-24 2011-02-01 American Power Conversion Corporation UPS frequency converter and line conditioner
JP5228886B2 (ja) * 2008-09-05 2013-07-03 富士電機株式会社 スナバ回路
WO2010125630A1 (ja) 2009-04-27 2010-11-04 東芝三菱電機産業システム株式会社 電力変換装置
US8228046B2 (en) * 2009-06-16 2012-07-24 American Power Conversion Corporation Apparatus and method for operating an uninterruptible power supply
WO2011036912A1 (ja) 2009-09-24 2011-03-31 東芝三菱電機産業システム株式会社 電力変換装置
US8503201B2 (en) 2009-12-03 2013-08-06 Schneider Electric It Corporation Transient clamping circuitry for voltage converter
US8860273B2 (en) * 2009-12-28 2014-10-14 Flyback Energy, Inc. External field interaction motor
WO2011090732A1 (en) * 2009-12-28 2011-07-28 Flyback Energy Inc. Controllable universal power supply with reactive power management
DE102010014142A1 (de) 2010-04-07 2011-10-13 Alpitronic Gmbh Kommutierungsverfahren, Kommutierungsschaltung und elektrischer Energiewandler
US8878389B2 (en) 2011-01-11 2014-11-04 Schneider Electric It Corporation Method and apparatus for providing uninterruptible power
DE202011050665U1 (de) 2011-07-07 2012-10-09 Alpitronic Gmbh Kommutierungsschaltung und elektrischer Energiewandler
US8884464B2 (en) 2011-08-29 2014-11-11 Schneider Electric It Corporation Twin boost converter with integrated charger for UPS system
AU2011384046A1 (en) 2011-12-22 2014-07-17 Schneider Electric It Corporation Analysis of effect of transient events on temperature in a data center
EP2796025A4 (de) 2011-12-22 2016-06-29 Schneider Electric It Corp System und verfahren zur vorhersage der temperaturwerte in einem elektronischen system
JP2013215043A (ja) * 2012-04-02 2013-10-17 Fuji Electric Co Ltd マルチレベル電力変換装置
US8947163B2 (en) 2012-05-02 2015-02-03 Qualcomm Incorporated Split capacitors scheme for suppressing overshoot voltage glitches in class D amplifier output stage
SE537080C2 (sv) 2012-07-06 2014-12-30 Comsys Ab Förbättrat strömställarskydd för resonansomriktare
SE537227C2 (sv) * 2012-07-06 2015-03-10 Comsys Ab Resonansomriktare
WO2014032302A1 (en) 2012-09-03 2014-03-06 Schneider Electric It Corporation Method and apparatus for controlling distribution of power
WO2014108257A2 (en) * 2013-01-11 2014-07-17 Alstom Technology Ltd Converter
EP2800265A1 (de) * 2013-05-03 2014-11-05 ALSTOM Technology Ltd Wandler
US20150318780A1 (en) * 2013-11-07 2015-11-05 Marco Antonio Davila Bridgeless PFC Using Single Sided High Frequency Switching
EP2887529A1 (de) 2013-12-23 2015-06-24 Alstom Technology Ltd Phasenmodul eines modularen Mehrpunktumrichters mit Flat-Top PWM, Umrichter und hybride Umrichtertopologien
FR3068547B1 (fr) * 2017-06-30 2019-08-16 Stmicroelectronics (Tours) Sas Convertisseur ac/dc reversible a thyristors
US11469684B2 (en) * 2020-06-11 2022-10-11 Abb Schweiz Ag Active damping of soft switching resonant converters
DE102022207036A1 (de) 2022-07-11 2024-01-11 Friedrich-Alexander-Universität Erlangen-Nürnberg, Körperschaft des öffentlichen Rechts Verfahren zum Ansteuern und Schaltanordnung für einen mehrphasigen Zweipunkt-Wechselrichter sowie mehrphasiger Zweipunkt-Wechselrichter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173779A (en) * 1978-12-08 1979-11-06 Westinghouse Electric Corp. Single-pole commutation circuit
SE7900490L (sv) * 1979-01-19 1980-07-20 Asea Ab Vexelriktarkoppling
US4255783A (en) * 1979-05-30 1981-03-10 United Technologies Corporation Selective commutation circuit for an inverter
US4286317A (en) * 1979-08-16 1981-08-25 Bbc Brown, Boveri & Co. Ltd. Forced commutation power converter arrangement in reverse voltage free circuit configuration
US4336585A (en) * 1980-12-23 1982-06-22 United Technologies Corporation Selective commutation for an inverter
US4730242A (en) * 1986-09-25 1988-03-08 Wisconsin Alumni Research Foundation Static power conversion and apparatus having essentially zero switching losses
DE3743436C1 (de) * 1987-12-21 1989-05-11 Siemens Ag Schaltentlasteter,verlustarmer Dreipunktwechselrichter

Also Published As

Publication number Publication date
GR1000904B (el) 1993-03-16
PT98263A (pt) 1993-08-31
EP0500818B1 (de) 1995-10-18
PT98263B (pt) 1999-01-29
EP0500818A1 (de) 1992-09-02
BR9106078A (pt) 1993-02-02
GR910100272A (en) 1992-09-11
DE69113981T2 (de) 1996-05-30
KR100197825B1 (ko) 1999-06-15
ES2079661T3 (es) 1996-01-16
JPH05502365A (ja) 1993-04-22
JP3037415B2 (ja) 2000-04-24
KR920702569A (ko) 1992-09-04
MX9100234A (es) 1992-06-05
WO1992005625A1 (en) 1992-04-02
US5047913A (en) 1991-09-10

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