BR9804063A - Conversor para acionamento de motores elétricos de alta potência e controle de modulação. - Google Patents
Conversor para acionamento de motores elétricos de alta potência e controle de modulação.Info
- Publication number
- BR9804063A BR9804063A BR9804063-4A BR9804063A BR9804063A BR 9804063 A BR9804063 A BR 9804063A BR 9804063 A BR9804063 A BR 9804063A BR 9804063 A BR9804063 A BR 9804063A
- Authority
- BR
- Brazil
- Prior art keywords
- converter
- high power
- electric motors
- power electric
- npc
- Prior art date
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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped 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
- H02M7/53—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
- H02M7/5387—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 bridge configuration
- H02M7/53871—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 bridge configuration with automatic control of output voltage or current
- H02M7/53875—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 bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
- H02M7/53876—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 bridge configuration with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Patente de Invenção:<B>"CONVERSOR PARA ACIONAMENTO DE MOTORES ELéTRICOS DE ALTA POTêNCIA E CONTROLE DE MODULAçãO"<D>. Um conversor para acionamento de motor de alta potência (10) inclui um estágio de conversão (12) de energia de saída fixado (NPC) em ponto neutro (26) de três níveis incluindo comutadores (14); um banco de capacitores de CC conectados em série divididos (30) acoplados em paralelo com o estágio de conversão de energia de saída NPC; e um controlador (15) para selecionar posições de comutação para controlar o estágio de conversão de energia de saída NPC e controlar um equilíbrio de tensão neutra do banco de capacitores de CC utilizando modulação de vetor espacial, e cálculos de carga preditiva.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6322397P | 1997-10-23 | 1997-10-23 | |
US09/108,041 US5910892A (en) | 1997-10-23 | 1998-06-30 | High power motor drive converter system and modulation control |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9804063A true BR9804063A (pt) | 1999-11-23 |
Family
ID=26743177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9804063-4A BR9804063A (pt) | 1997-10-23 | 1998-10-22 | Conversor para acionamento de motores elétricos de alta potência e controle de modulação. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5910892A (pt) |
EP (1) | EP0911950A3 (pt) |
BR (1) | BR9804063A (pt) |
CA (1) | CA2249871C (pt) |
Families Citing this family (88)
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US6058031A (en) * | 1997-10-23 | 2000-05-02 | General Electric Company | Five level high power motor drive converter and control system |
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DE19829856A1 (de) * | 1998-07-02 | 2000-01-05 | Abb Research Ltd | Dreipunkt-Stromrichter und Verfahren zum Betrieb |
JP3383588B2 (ja) * | 1998-08-04 | 2003-03-04 | 株式会社東芝 | 電力変換装置 |
SE512795C2 (sv) * | 1998-09-18 | 2000-05-15 | Abb Ab | VSC-strömriktare |
DE19961382A1 (de) * | 1999-07-31 | 2001-02-01 | Alstom Anlagen Und Antriebssys | Elektrische Schaltung, insbesondere für einen Mittelspannungsstromrichter |
DE60042601D1 (de) * | 1999-08-12 | 2009-09-03 | Yaskawa Denki Kitakyushu Kk | Verfahren zur regelung des nullpunktpotentials eines wandlers mit nullpunktbegrenzung |
FI117259B (fi) | 1999-09-22 | 2006-08-15 | Abb Oy | Välipiirikondensaattoreiden jännitteen tasaus |
US6201720B1 (en) | 2000-02-18 | 2001-03-13 | Powerware Corporation | Apparatus and methods for space-vector domain control in uninterruptible power supplies |
US6396244B2 (en) * | 2000-04-07 | 2002-05-28 | Toyota Jidosha Kabushiki Kaisha | Electric element control apparatus, battery system, and inverter motor system |
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US6697271B2 (en) | 2000-08-16 | 2004-02-24 | Northrop Grumman Corporation | Cascaded multi-level H-bridge drive |
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US6838925B1 (en) * | 2003-10-07 | 2005-01-04 | American Power Conversion Corporation | Three level inverter |
US7215559B2 (en) | 2004-09-28 | 2007-05-08 | Rockwell Automation Technologies, Inc. | Method and apparatus to reduce common mode voltages applied to a load by a drive |
US7495938B2 (en) * | 2005-04-15 | 2009-02-24 | Rockwell Automation Technologies, Inc. | DC voltage balance control for three-level NPC power converters with even-order harmonic elimination scheme |
CN100347949C (zh) * | 2005-10-14 | 2007-11-07 | 清华大学 | 应用于三电平变频调速系统起动过程中的直流预励磁方法 |
FR2895597B1 (fr) * | 2005-12-22 | 2008-09-05 | Valeo Equip Electr Moteur | Procede de commande d'un ondulateur de tension polyphase |
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KR100886194B1 (ko) * | 2007-06-08 | 2009-02-27 | 한국전기연구원 | 계통 연계형 고압 권선형 유도 발전기 제어 장치 |
US7906922B2 (en) * | 2008-04-02 | 2011-03-15 | Rockwell Automation Technologies, Inc. | Electric motor drive employing hybrid, hysteretic/pulse-width-modulated dynamic braking |
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US8625316B2 (en) * | 2011-12-09 | 2014-01-07 | General Electric Company | Neutral point clamped (NPC) power converter fault protection system |
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RU168787U1 (ru) * | 2016-05-17 | 2017-02-21 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Магнитогорский государственный технический университет им. Г.И. Носова" | Устройство управления трехфазным трехуровневым инвертором напряжения с фиксированной нейтральной точкой |
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WO2019207772A1 (ja) * | 2018-04-27 | 2019-10-31 | 東芝三菱電機産業システム株式会社 | 3レベル電力変換装置、3レベル電力変換装置の制御方法、及び記憶媒体 |
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JP7344945B2 (ja) * | 2021-09-27 | 2023-09-14 | 本田技研工業株式会社 | 制御装置、及びモータ駆動システム |
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Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1143787A (en) * | 1978-09-21 | 1983-03-29 | Richard H. Baker | Bridge converter circuit |
FI880817A (fi) * | 1987-07-17 | 1989-01-18 | Siemens Ag | Anordning foer koppling med laog foerlust av ett halvledarkopplingselement i en trepunktvaexelriktare. |
JP2526700B2 (ja) * | 1990-04-11 | 1996-08-21 | 三菱電機株式会社 | 3相3値レベルインバ―タ |
JP3102499B2 (ja) * | 1991-02-28 | 2000-10-23 | 株式会社東芝 | 中性点クランプ式電力変換器の制御装置 |
JP3229897B2 (ja) * | 1992-04-13 | 2001-11-19 | 三菱電機株式会社 | 3レベル3相インバータ装置 |
JP3178075B2 (ja) * | 1992-04-23 | 2001-06-18 | 株式会社日立製作所 | 電力変換器の制御装置および電気車の制御装置 |
JP3153408B2 (ja) * | 1994-03-10 | 2001-04-09 | 株式会社日立製作所 | 直列多重電力変換器 |
JP3249380B2 (ja) * | 1995-06-13 | 2002-01-21 | 株式会社東芝 | 電力変換装置 |
JPH09215336A (ja) * | 1996-02-09 | 1997-08-15 | Toshiba Corp | Npcインバータの制御装置 |
JP3186962B2 (ja) * | 1995-12-19 | 2001-07-11 | 株式会社東芝 | Npcインバータ装置 |
US5684688A (en) * | 1996-06-24 | 1997-11-04 | Reliance Electric Industrial Company | Soft switching three-level inverter |
-
1998
- 1998-06-30 US US09/108,041 patent/US5910892A/en not_active Expired - Lifetime
- 1998-10-08 CA CA002249871A patent/CA2249871C/en not_active Expired - Fee Related
- 1998-10-22 BR BR9804063-4A patent/BR9804063A/pt not_active IP Right Cessation
- 1998-10-23 EP EP98308709A patent/EP0911950A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2249871C (en) | 2006-05-09 |
CA2249871A1 (en) | 1999-04-23 |
EP0911950A2 (en) | 1999-04-28 |
EP0911950A3 (en) | 2001-04-11 |
US5910892A (en) | 1999-06-08 |
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