JP2013141394A - マルチレベルコンバータの制御方法 - Google Patents
マルチレベルコンバータの制御方法 Download PDFInfo
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- JP2013141394A JP2013141394A JP2012285386A JP2012285386A JP2013141394A JP 2013141394 A JP2013141394 A JP 2013141394A JP 2012285386 A JP2012285386 A JP 2012285386A JP 2012285386 A JP2012285386 A JP 2012285386A JP 2013141394 A JP2013141394 A JP 2013141394A
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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
- H02M7/02—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
- H02M7/145—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 thyratron or thyristor type requiring extinguishing means
- H02M7/155—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 thyratron or thyristor type requiring extinguishing means 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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
【解決手段】マルチレベルコンバータの制御方法が開示される。本発明によるマルチレベルコンバータの制御方法は、具備された複数のサブモジュールのうち最大の電圧を有するサブモジュール及び最小の電圧を有するサブモジュールをそれぞれ抽出する段階と、前記複数のサブモジュールの状態変化量を判断する段階と、前記判断結果、前記状態変化量が0ではない場合、前記複数のサブモジュールに流れる電流変更を検知する段階及び前記状態変化量及び前記電流方向のうち少なくとも一つに応じて少なくとも一つのサブモジュールの次に状態を決定する段階を含む。これによって、電圧バランシング過程におけるサブモジュールの個数が増加してもサブモジュール値を整列する時間を効率的に減らすことができる。
【選択図】図4
Description
Claims (8)
- 具備した複数のサブモジュールのうち最大電圧を有するサブモジュール及び最小電圧を有するサブモジュールをそれぞれ抽出する段階と、
前記複数のサブモジュールの状態変化量を判断する段階と、
前記判断結果、前記状態変化量が0ではない場合、前記複数のサブモジュールに流れる電流方向を検知する段階と、
前記状態変化量及び前記電流方向のうち少なくとも一つに応じて少なくとも一つのサブモジュールの次の状態を決定する段階と、を含むマルチレベルコンバータの制御方法。 - 前記複数のサブモジュールの状態変化量は、
現在のサンプリング段階での状態がオン(ON)であるサブモジュールの個数から過去のサンプリング段階での状態がオン(ON)であるサブモジュールの個数を引いた値であることを特徴とする請求項1に記載のマルチレベルコンバータの制御方法。 - 前記少なくとも一つのサブモジュールの次に状態を決定する段階は、
前記状態変化量の値に当たる回数だけ繰り返してサブモジュールの次の状態を決定することを特徴とする請求項1に記載のマルチレベルコンバータの制御方法。 - 前記少なくとも一つのサブモジュールの次に状態を決定する段階は、
サブモジュールの次の状態の決定が最初に行われる場合であれば、前記最大電圧を有するサブモジュール又は前記最小電圧を有するサブモジュールのうちいずれか一つの次の状態を決定することを特徴とする請求項1に記載のマルチレベルコンバータの制御方法。 - 前記少なくとも一つのサブモジュールの次に状態を決定する段階は、
前記状態変化量が正数で、前記電流方向がアームの電流方向と同じであると前記最大電圧を有するサブモジュールをオフ状態からオン状態に変え、前記電流方向が前記アームの電流方向と反対であると前記最小電圧を有するサブモジュールをオフ状態からオン状態に変えるように決定することを特徴とする請求項4に記載のマルチレベルコンバータの制御方法。 - 前記少なくとも一つのサブモジュールの次に状態を決定する段階は、
前記状態変化量が負数で、前記電流方向がアームの電流方向と同じであると前記最大電圧を有するサブモジュールをオン状態からオフ状態に変え、前記電流方向が前記アームの電流方向と反対であると前記最小電圧を有するサブモジュールをオン状態からオフ状態に変えるように決定することを特徴とする請求項4に記載のマルチレベルコンバータの制御方法。 - 前記少なくとも一つのサブモジュールの次に状態を決定する段階は、
前記サブモジュールの次の状態の決定が最初に行われる場合でなければ、前記複数のサブモジュールのうち前記最大電圧を有するサブモジュール又は前記最小電圧を有するサブモジュールを除いた少なくとも一つのサブモジュールの次の状態をランダムに変化させるように決定することを特徴とする請求項1に記載のマルチレベルコンバータの制御方法。 - 前記最大電圧を有するサブモジュール及び前記最小電圧を有するサブモジュールをそれぞれ抽出する段階の前に、前記複数のサブモジュールそれぞれの現在状態をオン状態をオフ状態に区分する段階を更に含むことを特徴とする請求項1に記載のマルチレベルコンバータの制御方法。
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KR1020110147317A KR101221159B1 (ko) | 2011-12-30 | 2011-12-30 | 멀티레벨 컨버터의 제어방법 |
KR10-2011-0147317 | 2011-12-30 |
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JP2013141394A true JP2013141394A (ja) | 2013-07-18 |
JP5856046B2 JP5856046B2 (ja) | 2016-02-09 |
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US (1) | US9052726B2 (ja) |
EP (1) | EP2611022B1 (ja) |
JP (1) | JP5856046B2 (ja) |
KR (1) | KR101221159B1 (ja) |
CN (1) | CN103187895B (ja) |
ES (1) | ES2624278T3 (ja) |
Cited By (5)
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KR101521546B1 (ko) * | 2013-11-05 | 2015-05-28 | 한국전기연구원 | 모둘라 멀티 레벨 컨버터의 변조 방법 |
KR101550787B1 (ko) | 2013-11-05 | 2015-09-07 | 한국전기연구원 | 멀티 레벨 컨버터의 펄스 폭 변조 방법 |
KR101584303B1 (ko) * | 2014-07-15 | 2016-01-22 | 전남대학교산학협력단 | 연산시간을 단축할 수 있고 스위칭 이용률을 평균화할 수 있는 멀티레벨 컨버터의 스위칭 방법 |
KR101608280B1 (ko) | 2014-07-15 | 2016-04-01 | 전남대학교산학협력단 | 하프 레벨 그룹을 포함하는 모듈형 멀티레벨 컨버터의 스위칭 방법 |
JP2017017976A (ja) * | 2015-07-02 | 2017-01-19 | エルエス産電株式会社Lsis Co., Ltd. | モジュール型マルチレベルコンバータ及びモジュール型マルチレベルコンバータの電圧バランシング制御方法 |
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KR101380079B1 (ko) * | 2013-05-28 | 2014-04-01 | 연세대학교 산학협력단 | 멀티레벨 컨버터의 제어방법 |
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 |
US10732685B2 (en) | 2015-02-27 | 2020-08-04 | Ge Energy Power Conversion Technology Limited | System and method for operating power converters |
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US10193340B2 (en) | 2017-03-15 | 2019-01-29 | American Superconductor Corporation | Multi-level cascaded H-bridge STATCOM circulating cooling fluid within enclosure |
KR102086530B1 (ko) * | 2018-11-14 | 2020-03-09 | 한국전기연구원 | 모듈러 멀티레벨 컨버터 서브모듈의 커패시터 전압 조정 방법 및 상기 방법을 실행시키기 위한 컴퓨터 판독 가능한 프로그램을 기록한 기록 매체 |
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KR101550787B1 (ko) | 2013-11-05 | 2015-09-07 | 한국전기연구원 | 멀티 레벨 컨버터의 펄스 폭 변조 방법 |
KR101584303B1 (ko) * | 2014-07-15 | 2016-01-22 | 전남대학교산학협력단 | 연산시간을 단축할 수 있고 스위칭 이용률을 평균화할 수 있는 멀티레벨 컨버터의 스위칭 방법 |
KR101608280B1 (ko) | 2014-07-15 | 2016-04-01 | 전남대학교산학협력단 | 하프 레벨 그룹을 포함하는 모듈형 멀티레벨 컨버터의 스위칭 방법 |
JP2017017976A (ja) * | 2015-07-02 | 2017-01-19 | エルエス産電株式会社Lsis Co., Ltd. | モジュール型マルチレベルコンバータ及びモジュール型マルチレベルコンバータの電圧バランシング制御方法 |
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Also Published As
Publication number | Publication date |
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KR101221159B1 (ko) | 2013-01-10 |
CN103187895A (zh) | 2013-07-03 |
EP2611022A2 (en) | 2013-07-03 |
JP5856046B2 (ja) | 2016-02-09 |
CN103187895B (zh) | 2017-03-01 |
ES2624278T3 (es) | 2017-07-13 |
EP2611022A3 (en) | 2015-01-21 |
EP2611022B1 (en) | 2017-02-01 |
US20130169257A1 (en) | 2013-07-04 |
US9052726B2 (en) | 2015-06-09 |
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