CN102130619B - 一种模块化多电平变流器的均压控制方法 - Google Patents
一种模块化多电平变流器的均压控制方法 Download PDFInfo
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- CN102130619B CN102130619B CN201110067984.1A CN201110067984A CN102130619B CN 102130619 B CN102130619 B CN 102130619B CN 201110067984 A CN201110067984 A CN 201110067984A CN 102130619 B CN102130619 B CN 102130619B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000003990 capacitor Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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Classifications
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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
-
- 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
- H02M11/00—Power conversion systems not covered by the preceding groups
-
- 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
- H02M7/4833—Capacitor voltage balancing
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (7)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110067984.1A CN102130619B (zh) | 2011-03-21 | 2011-03-21 | 一种模块化多电平变流器的均压控制方法 |
US14/005,266 US20140002048A1 (en) | 2011-03-21 | 2011-10-31 | Voltage balancing control method for modular multilevel converter |
PCT/CN2011/001813 WO2012126160A1 (zh) | 2011-03-21 | 2011-10-31 | 一种模块化多电平变流器的均压控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110067984.1A CN102130619B (zh) | 2011-03-21 | 2011-03-21 | 一种模块化多电平变流器的均压控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102130619A CN102130619A (zh) | 2011-07-20 |
CN102130619B true CN102130619B (zh) | 2014-07-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201110067984.1A Active CN102130619B (zh) | 2011-03-21 | 2011-03-21 | 一种模块化多电平变流器的均压控制方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140002048A1 (zh) |
CN (1) | CN102130619B (zh) |
WO (1) | WO2012126160A1 (zh) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012072168A2 (de) | 2010-11-30 | 2012-06-07 | Technische Universität München | Neue multilevelkonvertertopologie mit der möglichkeit zur dynamischen seriell- und parallelschaltung von einzelmodulen |
CN102130619B (zh) * | 2011-03-21 | 2014-07-02 | 中国电力科学研究院 | 一种模块化多电平变流器的均压控制方法 |
CN102355154B (zh) * | 2011-09-19 | 2015-04-29 | 中电普瑞科技有限公司 | 一种级联型变流器的保护方法 |
CN102420533B (zh) * | 2011-12-04 | 2013-12-25 | 中国科学院电工研究所 | 一种混合多电平换流电路拓扑结构及其控制方法 |
US9099938B2 (en) * | 2011-12-16 | 2015-08-04 | Empower Micro Systems | Bi-directional energy converter with multiple DC sources |
KR101221159B1 (ko) * | 2011-12-30 | 2013-01-10 | 연세대학교 산학협력단 | 멀티레벨 컨버터의 제어방법 |
DE102012202173B4 (de) * | 2012-02-14 | 2013-08-29 | Siemens Aktiengesellschaft | Verfahren zum Betrieb eines mehrphasigen, modularen Multilevelstromrichters |
EP2883069B1 (en) | 2012-08-07 | 2016-04-13 | Abb Ab | Method and device for controlling a multilevel converter |
US20150288287A1 (en) * | 2012-09-21 | 2015-10-08 | Aukland Uniservices Limited | Modular multi-level converters |
DK2926448T3 (en) | 2012-11-27 | 2017-09-11 | Abb Schweiz Ag | MULTIPLE LEVEL CONVERTERS WITH CELLS SELECTED ON PHASE ARM CURRENT |
CN103036452B (zh) * | 2012-12-10 | 2015-03-25 | 国网智能电网研究院 | 一种基于全控器件的电压源换流器的子模块单元 |
CN103066567B (zh) * | 2012-12-11 | 2014-03-19 | 国网智能电网研究院 | 一种基于投切数的分层分段式电容平衡控制方法 |
CN103078539B (zh) * | 2013-01-15 | 2015-02-11 | 南京南瑞继保电气有限公司 | 一种模块化多电平换流器的充电方法 |
EP2762347A1 (de) * | 2013-01-31 | 2014-08-06 | Siemens Aktiengesellschaft | Modularer Hochfrequenz-Umrichter und Verfahren zum Betrieb desselben |
US9941813B2 (en) | 2013-03-14 | 2018-04-10 | Solaredge Technologies Ltd. | High frequency multi-level inverter |
CN103199729B (zh) * | 2013-04-10 | 2016-01-20 | 国家电网公司 | 一种模块化多电平变流器子模块分组阶梯波调制方法 |
CN103259432B (zh) * | 2013-04-11 | 2015-05-13 | 国家电网公司 | 一种三相全桥模块化多电平换流器桥臂电容平衡控制方法 |
CN103199719B (zh) * | 2013-04-17 | 2015-06-24 | 华北电力大学 | 一种模块化多电平换流器的子模块电容电压优化均衡方法 |
JP6164667B2 (ja) * | 2013-09-10 | 2017-07-19 | 国立研究開発法人産業技術総合研究所 | 電力変換回路および装置 |
CN103633870A (zh) * | 2013-11-19 | 2014-03-12 | 国家电网公司 | 一种模块化多电平换流器的子模块电容电压平衡优化方法 |
CN103701343B (zh) * | 2013-12-21 | 2017-01-11 | 华南理工大学 | 三相桥式模块单元串联组合高压变换器 |
CN103701350B (zh) * | 2014-01-13 | 2016-01-20 | 清华大学 | 低频工况下模块化多电平变流器电容电压波动抑制方法 |
US9966874B2 (en) * | 2014-01-15 | 2018-05-08 | Virginia Tech Intellectual Properties, Inc. | Power-cell switching-cycle capacitor voltage control for modular multi-level converters |
WO2015136552A2 (en) * | 2014-03-12 | 2015-09-17 | Indian Institute Of Technology Bombay | A modular multilevel converter (mmc) sub-module structure for reducing switching losses |
US9318974B2 (en) | 2014-03-26 | 2016-04-19 | Solaredge Technologies Ltd. | Multi-level inverter with flying capacitor topology |
CN103929081B (zh) * | 2014-04-14 | 2016-08-24 | 中国西电电气股份有限公司 | 一种用于模块化多电平换流器的子模块均压方法 |
CN103956925B (zh) * | 2014-04-28 | 2016-04-06 | 浙江大学 | 一种混杂式mmc电容电压的均衡控制方法 |
CN103973088B (zh) * | 2014-05-22 | 2017-01-04 | 中国南方电网有限责任公司电网技术研究中心 | 基于峰值预测的模块化多电平换流器桥臂间电压平衡方法 |
CN104218833A (zh) * | 2014-05-26 | 2014-12-17 | 长沙理工大学 | 一种灵活的模块化多电平换流器子模块电容均压调制方法 |
CN104038060B (zh) * | 2014-06-03 | 2016-08-24 | 中国科学院电工研究所 | 柔性直流输电系统模块化多电平换流器均压方法 |
CN104038052B (zh) * | 2014-06-23 | 2016-07-06 | 上海交通大学 | 模块化多电平换流器电压均衡控制方法 |
KR101608280B1 (ko) | 2014-07-15 | 2016-04-01 | 전남대학교산학협력단 | 하프 레벨 그룹을 포함하는 모듈형 멀티레벨 컨버터의 스위칭 방법 |
US9966777B2 (en) | 2014-07-17 | 2018-05-08 | Nec Corporation | Modular multilevel converter for hybrid energy storage |
DE102014110410A1 (de) | 2014-07-23 | 2016-01-28 | Universität der Bundeswehr München | Modulares Energiespeicher-Direktumrichtersystem |
US9537421B2 (en) * | 2014-08-22 | 2017-01-03 | General Electric Company | Multilevel converter |
CN104393777B (zh) * | 2014-11-26 | 2016-08-17 | 华北电力大学 | 半桥模块化多电平变换器子模块电压控制方法 |
EP3032680A1 (en) * | 2014-12-12 | 2016-06-15 | ABB Technology AG | Standby and charging of modular multilevel converters |
JP6370702B2 (ja) * | 2014-12-24 | 2018-08-08 | 株式会社東芝 | 電力変換装置 |
CN104702114B (zh) * | 2015-03-05 | 2017-07-18 | 清华大学 | 一种开关电容接入的高频链双向直流变压器及其控制方法 |
TWI530082B (zh) * | 2015-03-06 | 2016-04-11 | 國立清華大學 | 可允許電感值變化之三相模組化多階換流器電流控制方法 |
CN104811069B (zh) * | 2015-05-13 | 2017-07-21 | 山东大学 | 一种模块化多电平逆变器的预测控制方法 |
CN104917406B (zh) * | 2015-05-27 | 2017-05-24 | 浙江大学 | 一种适用于mmc的基于共模注入的最近电平逼近调制方法 |
KR102020323B1 (ko) * | 2015-07-02 | 2019-11-04 | 엘에스산전 주식회사 | 모듈형 멀티 레벨 컨버터 및 모듈형 멀티 레벨 컨버터의 전압 밸런싱 제어 방법 |
CN105006972B (zh) * | 2015-07-14 | 2018-01-05 | 国家电网公司 | 一种高压直流mmc在基频调制下的均压方法 |
CN105245087B (zh) * | 2015-10-26 | 2017-11-14 | 南方电网科学研究院有限责任公司 | 基于分类的模块化多电平换流器电容均压控制方法 |
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US10855199B2 (en) * | 2015-12-18 | 2020-12-01 | Abb Power Grids Switzerland Ag | Voltage balancing in a Modular Multilevel Converter having delta configuration |
CN105429497B (zh) * | 2016-01-07 | 2017-12-08 | 江苏省电力公司电力科学研究院 | 优化的mmc子模块电容电压均衡控制方法 |
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CN105811793B (zh) * | 2016-04-26 | 2018-07-17 | 西安交通大学 | 基于自取能电源跳频控制的模块化多电平换流器均压方法 |
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FR3053854B1 (fr) * | 2016-07-05 | 2018-08-17 | Supergrid Institute | Module de controle de l'energie interne d'un convertisseur |
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CN107453633B (zh) * | 2017-08-03 | 2019-04-12 | 华中科技大学 | 一种mmc直流电压外环控制器及生成方法 |
CN107528488B (zh) * | 2017-08-21 | 2019-08-06 | 许继集团有限公司 | 柔性直流输电换流阀子模块开关频率优化方法及控制系统 |
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EP3876410A1 (de) * | 2020-03-03 | 2021-09-08 | Siemens Aktiengesellschaft | Stromrichter und regelungsverfahren dafür |
US11515818B2 (en) | 2020-03-25 | 2022-11-29 | King Fahd University Of Petroleum And Minerals | Common-mode voltage reduction of a SiC based dual T-type drive system |
US11682968B2 (en) * | 2020-04-09 | 2023-06-20 | Virginia Tech Intellectual Properties, Inc. | Control of power converters having integrated capacitor blocked transistor cells |
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US20230231467A1 (en) * | 2020-07-28 | 2023-07-20 | Mitsubishi Electric Corporation | Power conversion device |
CN112600451B (zh) * | 2020-11-17 | 2021-11-16 | 西安西电电力系统有限公司 | 一种柔直换流阀功率模块电容电压均压方法 |
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CN115842484B (zh) * | 2023-02-21 | 2023-05-02 | 湖南大学 | 一种单相四桥臂模块化多电平变换器及其调控方法 |
CN117977919B (zh) * | 2024-03-29 | 2024-06-04 | 南昌工程学院 | 模块化多电平换流器高频抑制方法和柔性直流输电系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101860203A (zh) * | 2010-05-28 | 2010-10-13 | 浙江大学 | 模块化多电平换流器型直流输电系统的优化均压控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8892791B2 (en) * | 2003-12-05 | 2014-11-18 | Keysight Technologies, Inc. | Communications system for implementation of synchronous, multichannel, galvanically isolated instrumentation devices |
DK2122817T3 (en) * | 2007-01-17 | 2018-03-12 | Siemens Ag | Control of a phase module branch of a multi-level converter |
US7710082B2 (en) * | 2007-10-18 | 2010-05-04 | Instituto Potosino De Investigacion Cientifica Y Technologica (Ipicyt) | Controller for the three-phase cascade multilevel converter used as shunt active filter in unbalanced operation with guaranteed capacitors voltages balance |
DE102008007658A1 (de) * | 2008-02-06 | 2009-08-13 | Siemens Aktiengesellschaft | Statischer Umformer |
DE102008014898B4 (de) * | 2008-03-19 | 2018-09-27 | Siemens Aktiengesellschaft | Verfahren zur Steuerung eines mehrphasigen Stromrichters mit verteilten Energiespeichern bei niedrigen Ausgangsfrequenzen |
US8792261B2 (en) * | 2009-03-30 | 2014-07-29 | Hitachi, Ltd. | Power conversion device |
JP4969614B2 (ja) * | 2009-07-21 | 2012-07-04 | 株式会社日立製作所 | 電力変換装置 |
CN102130619B (zh) * | 2011-03-21 | 2014-07-02 | 中国电力科学研究院 | 一种模块化多电平变流器的均压控制方法 |
-
2011
- 2011-03-21 CN CN201110067984.1A patent/CN102130619B/zh active Active
- 2011-10-31 WO PCT/CN2011/001813 patent/WO2012126160A1/zh active Application Filing
- 2011-10-31 US US14/005,266 patent/US20140002048A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101860203A (zh) * | 2010-05-28 | 2010-10-13 | 浙江大学 | 模块化多电平换流器型直流输电系统的优化均压控制方法 |
Non-Patent Citations (4)
Title |
---|
丁冠军等.新型多电平VSC子模块电容参数与均压策略.《中国电机工程学报》.2009,第29卷(第30期),第1-6页. |
新型多电平VSC子模块电容参数与均压策略;丁冠军等;《中国电机工程学报》;20091025;第29卷(第30期);第1-6页 * |
模块化多电平换流器型直流输电的调制策略;管敏渊等;《电力系统自动化》;20100125;第34卷(第2期);第48-52页 * |
管敏渊等.模块化多电平换流器型直流输电的调制策略.《电力系统自动化》.2010,第34卷(第2期),第48-52页. |
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Publication number | Publication date |
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CN102130619A (zh) | 2011-07-20 |
US20140002048A1 (en) | 2014-01-02 |
WO2012126160A1 (zh) | 2012-09-27 |
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