JP5730456B1 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP5730456B1 JP5730456B1 JP2015504797A JP2015504797A JP5730456B1 JP 5730456 B1 JP5730456 B1 JP 5730456B1 JP 2015504797 A JP2015504797 A JP 2015504797A JP 2015504797 A JP2015504797 A JP 2015504797A JP 5730456 B1 JP5730456 B1 JP 5730456B1
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- 239000003990 capacitor Substances 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 abstract description 47
- 230000002238 attenuated effect Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/1257—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to short circuit or wrong polarity in output 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
- 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
- H02M7/02—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
- H02M7/21—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
-
- 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
Abstract
Description
Claims (8)
- 交流電源と直流電源の間で電力の授受を行なう電力変換装置であって、
前記直流電源と直流電力を授受するための第1および第2の直流端子と、
前記交流電源と交流電力を授受するための交流端子と、
前記第1の直流端子および前記交流端子間に接続された第1のアームと、
前記交流端子および前記第2の直流端子間に接続された第2のアームとを備え、
前記第1および第2のアームの各々はカスケード接続された複数の単位セルを含み、
各単位セルは、予め定められた直流電圧に充電されるコンデンサと、前記コンデンサの電極間に直列接続された第1および第2のスイッチング素子と、それぞれ前記第1および第2のスイッチング素子に逆並列に接続された第1および第2のダイオードと、前記第1または第2のダイオードに並列接続された機械式バイパススイッチとを有し、
前記第1および第2のアームの各々において前記複数の単位セルの前記機械式バイパススイッチは直列接続され、
各単位セルの前記第1および第2のスイッチング素子は、通常動作時は交互に導通状態にされ、前記直流電源側で短絡事故が発生した場合はともに非導通状態にされ、
各単位セルの前記機械式バイパススイッチは、前記通常動作時は非導通状態にされ、前記短絡事故が発生した場合は導通状態にされ、
さらに、前記第1および第2の直流端子間に前記第1および第2のアームと直列接続され、前記通常動作時は導通状態にされて第1の方向に電流を流し、前記短絡事故が発生した場合は非導通状態にされる第1の整流素子と、
前記第1の整流素子と逆並列に接続され、前記第1の方向と逆の第2の方向に電流を流す第2の整流素子とを備える、電力変換装置。 - 前記第1の整流素子は、前記第1の方向に電流を流すように直列接続された複数のサイリスタを含み、
前記第2の整流素子は、前記第2の方向に電流を流すように直列接続された複数のダイオードを含む、請求項1に記載の電力変換装置。 - さらに、前記第1の整流素子に並列接続され、サージ電流を流すサージアレスタを備える、請求項1に記載の電力変換装置。
- さらに、リアクトルを備え、
前記リアクトルは、前記交流端子と前記第2の直流端子との間に、前記第2のアームおよび前記第1の整流素子と直列接続されている、請求項1に記載の電力変換装置。 - さらに、前記第1および第2のアームに流れる電流を検出する電流検出器と、
前記電流検出器の検出結果に基づいて前記短絡事故が発生したか否かを判別し、判別結果に基づいて各単位セルおよび前記第2の整流素子を制御する制御装置とを備える、請求項1に記載の電力変換装置。 - 前記第1の直流端子には正の直流電圧が供給され、
前記第2の直流端子には負の直流電圧が供給される、請求項1に記載の電力変換装置。 - 前記第1の直流端子には正の直流電圧が供給され、
前記第2の直流端子は接地される、請求項1に記載の電力変換装置。 - 前記交流電力は三相交流電力であり、
前記交流端子、前記第1のアーム、前記第2のアーム、前記第1の整流素子、および前記第2の整流素子は三組設けられている、請求項1に記載の電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/076896 WO2016056073A1 (ja) | 2014-10-08 | 2014-10-08 | 電力変換装置 |
Publications (2)
Publication Number | Publication Date |
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JP5730456B1 true JP5730456B1 (ja) | 2015-06-10 |
JPWO2016056073A1 JPWO2016056073A1 (ja) | 2017-04-27 |
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Family Applications (1)
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JP2015504797A Active JP5730456B1 (ja) | 2014-10-08 | 2014-10-08 | 電力変換装置 |
Country Status (4)
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US (1) | US10396678B2 (ja) |
EP (1) | EP3206289B1 (ja) |
JP (1) | JP5730456B1 (ja) |
WO (1) | WO2016056073A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3398239A1 (en) * | 2015-12-29 | 2018-11-07 | Vito NV | Device and method for the reconfiguration of a rechargeable energy storage device into separate battery connection strings |
KR101857570B1 (ko) * | 2015-12-30 | 2018-05-15 | 주식회사 효성 | 모듈러 멀티레벨 컨버터 및 이의 dc 고장 차단 방법 |
JP6548813B2 (ja) * | 2016-03-28 | 2019-07-24 | 三菱電機株式会社 | 電力変換装置 |
KR101923135B1 (ko) * | 2016-12-26 | 2018-11-28 | 효성중공업 주식회사 | 모듈러 멀티레벨 컨버터 시스템 |
WO2018183595A1 (en) * | 2017-03-31 | 2018-10-04 | Murata Manufacturing Co., Ltd. | Apparatus and method of operating matrix converter-based rectifier when one phase is disconnected or is short-circuited |
WO2020136699A1 (ja) * | 2018-12-25 | 2020-07-02 | 三菱電機株式会社 | 電力変換装置 |
JP6559387B1 (ja) * | 2018-12-25 | 2019-08-14 | 三菱電機株式会社 | 電力変換装置 |
DE102019118927A1 (de) * | 2019-07-12 | 2021-01-14 | Vacon Oy | Gleichstromzwischenkreisladeanordnung und Verfahren zum Laden eines Gleichstromzwischenkreiskondensators |
CN112564518B (zh) * | 2019-09-10 | 2022-03-29 | 南京南瑞继保电气有限公司 | 一种具备自我保护功能的功率模块及其控制方法 |
EP4120543A4 (en) * | 2020-03-11 | 2023-04-19 | Mitsubishi Electric Corporation | POWER CONVERSION DEVICE |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009506736A (ja) * | 2005-08-26 | 2009-02-12 | シーメンス アクチエンゲゼルシヤフト | 分散配置されたエネルギー蓄積器を有する電力変換回路 |
JP2011193615A (ja) * | 2010-03-15 | 2011-09-29 | Hitachi Ltd | 電力変換装置 |
US20130215658A1 (en) * | 2011-11-25 | 2013-08-22 | Ge Energy Power Conversion Gmbh | Multipoint Converters With Brake Chopper |
JP2013169088A (ja) * | 2012-02-16 | 2013-08-29 | Hitachi Ltd | 電力変換装置、直流変電所、直流送電システム及び電力変換装置の制御方法 |
JP5622978B1 (ja) * | 2014-02-14 | 2014-11-12 | 三菱電機株式会社 | 直流送電系統の保護システムおよび交流直流変換器ならびに直流送電系統の遮断方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CA2040163A1 (en) * | 1990-06-21 | 1991-12-22 | Vasu H. Tahiliani | Protective device for temporary system overvoltages |
EP2369725B1 (de) | 2010-03-25 | 2012-09-26 | ABB Schweiz AG | Überbrückungseinheit |
CN202455253U (zh) * | 2012-01-06 | 2012-09-26 | 浙江大学 | 一种桥臂切换多电平换流器 |
KR101389579B1 (ko) * | 2012-12-28 | 2014-04-29 | 주식회사 효성 | 전력용 컨버터 |
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2014
- 2014-10-08 WO PCT/JP2014/076896 patent/WO2016056073A1/ja active Application Filing
- 2014-10-08 JP JP2015504797A patent/JP5730456B1/ja active Active
- 2014-10-08 US US15/516,832 patent/US10396678B2/en active Active
- 2014-10-08 EP EP14903809.3A patent/EP3206289B1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009506736A (ja) * | 2005-08-26 | 2009-02-12 | シーメンス アクチエンゲゼルシヤフト | 分散配置されたエネルギー蓄積器を有する電力変換回路 |
JP2011193615A (ja) * | 2010-03-15 | 2011-09-29 | Hitachi Ltd | 電力変換装置 |
JP2013255422A (ja) * | 2010-03-15 | 2013-12-19 | Hitachi Ltd | 電力変換装置 |
US20130215658A1 (en) * | 2011-11-25 | 2013-08-22 | Ge Energy Power Conversion Gmbh | Multipoint Converters With Brake Chopper |
JP2013169088A (ja) * | 2012-02-16 | 2013-08-29 | Hitachi Ltd | 電力変換装置、直流変電所、直流送電システム及び電力変換装置の制御方法 |
JP5622978B1 (ja) * | 2014-02-14 | 2014-11-12 | 三菱電機株式会社 | 直流送電系統の保護システムおよび交流直流変換器ならびに直流送電系統の遮断方法 |
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Publication number | Publication date |
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EP3206289B1 (en) | 2021-09-29 |
US20170310237A1 (en) | 2017-10-26 |
JPWO2016056073A1 (ja) | 2017-04-27 |
WO2016056073A1 (ja) | 2016-04-14 |
EP3206289A4 (en) | 2018-05-30 |
EP3206289A1 (en) | 2017-08-16 |
US10396678B2 (en) | 2019-08-27 |
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