JP6417042B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP6417042B2 JP6417042B2 JP2017524156A JP2017524156A JP6417042B2 JP 6417042 B2 JP6417042 B2 JP 6417042B2 JP 2017524156 A JP2017524156 A JP 2017524156A JP 2017524156 A JP2017524156 A JP 2017524156A JP 6417042 B2 JP6417042 B2 JP 6417042B2
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- Prior art keywords
- voltage
- circuit
- cell
- capacitor
- control device
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- 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
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
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- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
Description
図1は、この発明の実施の形態に従う電力変換装置の全体構成図である。図1を参照して、電力変換装置100は、モジュラー・マルチレベル変換器(MMC)110と、MMC110を制御する制御装置120とを備える。
アームA1〜A6の各々は、カスケード接続された複数の単位変換器(以下、セルとも称す)10を含んでいる。図2は、図1に示したセル10の構成例を示す図である。図2を参照して、セル10は、主回路30と、制御回路32と、電源50とを含む。
制御装置120は、各セル10の制御回路32と通信することにより、各セル10の主回路30における電力変換を制御する。このとき、制御装置120は、各セル10の直流コンデンサC1の電圧VCの検出値に基づいて電力変換を制御することにより、各セル10の直流コンデンサC1を予め定められた直流電圧に充電する。
なお、上述した実施の形態では、セル10の主回路30がフルブリッジ回路を含む構成について例示したが、主回路30を双方向チョッパ回路を含む構成とすることもできる。
Claims (3)
- 複数の単位変換器を直列接続して構成されたアームを備える電力変換器と、
前記電力変換器を制御する制御装置とを備え、
前記単位変換器は、
スイッチング素子および直流コンデンサを含み、前記スイッチング素子のオンオフにより前記直流コンデンサの電圧に応じた電圧パルスを出力する主回路と、
前記直流コンデンサの電圧検出値を前記制御装置へ送信するとともに、前記制御装置から受信した制御信号に従って前記スイッチング素子のオンオフを制御するように構成された制御回路と、
前記制御回路からのオン指令に応じてオンすることにより前記主回路の出力端子を短絡可能に構成されたスイッチとを含み、
前記制御装置は、前記複数の単位変換器からそれぞれ受信した複数の前記電圧検出値と第1の閾値電圧とを比較し、少なくとも1つの前記電圧検出値が前記第1の閾値電圧を超える場合には、各前記複数の単位変換器の前記制御回路に対して前記スイッチング素子をオフ状態に固定するための前記制御信号を送信するように構成され、
各前記複数の単位変換器において、前記制御回路は、自己の前記電圧検出値と前記第1の閾値電圧よりも高い第2の閾値電圧とを比較し、前記電圧検出値が前記第2の閾値電圧を超える場合には、前記制御信号に依らず自己の前記主回路の前記スイッチング素子を自律的にオフ状態に固定するとともに、前記スイッチをオンするように構成される、電力変換装置。 - 前記第2の閾値電圧は、前記第1の閾値電圧よりも高く、かつ、前記スイッチング素子の耐圧以下である、請求項1に記載の電力変換装置。
- 前記単位変換器は、前記直流コンデンサの電圧を降圧して前記制御回路へ供給する電源電圧を生成する電源をさらに含む、請求項1または2に記載の電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/067155 WO2016203516A1 (ja) | 2015-06-15 | 2015-06-15 | 電力変換装置 |
Publications (2)
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JPWO2016203516A1 JPWO2016203516A1 (ja) | 2018-03-29 |
JP6417042B2 true JP6417042B2 (ja) | 2018-10-31 |
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JP2017524156A Active JP6417042B2 (ja) | 2015-06-15 | 2015-06-15 | 電力変換装置 |
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US (1) | US10122261B2 (ja) |
EP (1) | EP3309949B1 (ja) |
JP (1) | JP6417042B2 (ja) |
DK (1) | DK3309949T3 (ja) |
WO (1) | WO2016203516A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US10734916B2 (en) * | 2017-04-21 | 2020-08-04 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power conversion device |
EP3648331A4 (en) * | 2017-06-27 | 2020-07-08 | Mitsubishi Electric Corporation | POWER CONVERSION DEVICE |
JP6792097B1 (ja) | 2019-10-10 | 2020-11-25 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
US10886858B1 (en) * | 2019-10-15 | 2021-01-05 | University Of Tennessee Research Foundation | Modular multi-level converter pre-chargers |
CN110729909B (zh) * | 2019-10-21 | 2021-11-05 | 湖南大学 | 一种多端口铁路功率调节器***及其综合控制方法 |
WO2021159219A1 (en) * | 2020-02-14 | 2021-08-19 | Ecole De Technologie Superieure | Three-phase multilevel electric power converter |
JP7143548B1 (ja) | 2021-10-20 | 2022-09-28 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
WO2023079685A1 (ja) | 2021-11-05 | 2023-05-11 | 東芝三菱電機産業システム株式会社 | 電力変換装置のサブモジュール |
CN114498576B (zh) * | 2021-12-21 | 2022-10-14 | 西南交通大学 | 一种基于mmc的贯通柔性牵引变电所及其保护配置方法 |
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US5986909A (en) * | 1998-05-21 | 1999-11-16 | Robicon Corporation | Multiphase power supply with plural series connected cells and failed cell bypass |
DE102005040543A1 (de) * | 2005-08-26 | 2007-03-01 | Siemens Ag | Stromrichterschaltung mit verteilten Energiespeichern |
DE102005041087A1 (de) | 2005-08-30 | 2007-03-01 | Siemens Ag | Stromrichterschaltung mit verteilten Energiespeichern |
WO2010145688A1 (en) * | 2009-06-15 | 2010-12-23 | Areva T&D Uk Limited | Converter control |
JP5449893B2 (ja) * | 2009-07-21 | 2014-03-19 | 株式会社日立製作所 | 電力変換装置 |
JP5378274B2 (ja) * | 2010-03-15 | 2013-12-25 | 株式会社日立製作所 | 電力変換装置 |
KR101377319B1 (ko) * | 2010-03-23 | 2014-03-25 | 에이비비 테크놀로지 아게 | 전압 소스 컨버터 및 그 고장 처리 방법 |
JP5941631B2 (ja) * | 2011-07-26 | 2016-06-29 | 株式会社日立製作所 | 電力変換装置 |
WO2013017145A1 (en) * | 2011-07-29 | 2013-02-07 | Abb Technology Ag | Ctl cell protection |
CN105610312A (zh) * | 2011-11-11 | 2016-05-25 | 台达电子企业管理(上海)有限公司 | 一种级联型变频器及功率单元 |
EP2597764B1 (de) * | 2011-11-22 | 2016-04-13 | ABB Technology AG | Verfahren zur Behandlung von Fehlern in einem modularen Multilevelumrichter sowie ein solcher Umrichter |
JP5894777B2 (ja) * | 2011-12-07 | 2016-03-30 | 株式会社日立製作所 | 電力変換装置 |
EP2645552B1 (en) * | 2012-02-09 | 2020-04-22 | Hitachi, Ltd. | Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter |
US9876347B2 (en) * | 2012-08-30 | 2018-01-23 | Siemens Aktiengesellschaft | Apparatus and methods for restoring power cell functionality in multi-cell power supplies |
JP2015012726A (ja) * | 2013-06-28 | 2015-01-19 | 株式会社東芝 | 電力変換装置 |
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2015
- 2015-06-15 US US15/736,051 patent/US10122261B2/en active Active
- 2015-06-15 WO PCT/JP2015/067155 patent/WO2016203516A1/ja active Application Filing
- 2015-06-15 DK DK15895537.7T patent/DK3309949T3/da active
- 2015-06-15 EP EP15895537.7A patent/EP3309949B1/en active Active
- 2015-06-15 JP JP2017524156A patent/JP6417042B2/ja active Active
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Publication number | Publication date |
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DK3309949T3 (da) | 2020-03-23 |
WO2016203516A1 (ja) | 2016-12-22 |
EP3309949B1 (en) | 2020-01-15 |
EP3309949A1 (en) | 2018-04-18 |
US20180191238A1 (en) | 2018-07-05 |
US10122261B2 (en) | 2018-11-06 |
EP3309949A4 (en) | 2019-03-27 |
JPWO2016203516A1 (ja) | 2018-03-29 |
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