JP2017099253A - 変調波制御方法及び三相3線式3レベル回路 - Google Patents
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- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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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- 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
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- 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
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- 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
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- 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
- H02M7/539—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 with automatic control of output wave form or frequency
- H02M7/5395—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 with automatic control of output wave form or frequency by pulse-width modulation
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- 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
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
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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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
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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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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
- H02M5/2932—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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, current or power
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
【解決手段】3つのブリッジアームがそれぞれ3つの変調波に対応する三相3線式3レベル回路に用いられ、3つの変調波と搬送波を比較することによって三相3線式3レベル回路を制御する変調波制御方法であって、三相3線式3レベル回路の各相にそれぞれ対応する電流に基づき、前記3つの変調波から第1の変調波を取得するステップと、前記3つの変調波に並進量を重ね合わせて、第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップと、を含む変調波制御方法。
【選択図】図6
Description
Claims (15)
- 3つのブリッジアームがそれぞれ少なくとも3つの変調波に対応する三相3線式3レベル回路に用いられ、前記3つの変調波と搬送波を比較することによって前記三相3線式3レベル回路を制御する変調波制御方法であって、
前記三相3線式3レベル回路の各相にそれぞれ対応する電流に基づき、前記3つの変調波から第1の変調波を取得するステップと、
前記3つの変調波に並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップと、
を含む変調波制御方法。 - 前記3つの変調波から前記第1の変調波を取得するステップは、
前記対応する電流中のいずれが最大電流値であるかを判断することと、
前記最大電流値に対応する変調波を前記第1の変調波として取ることと、
を含む請求項1に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップは、
前記第1の変調波が前記3つの変調波の中で最大であるか、最小であるか、あるいは最大と最小との間に介在する中間であるかを判断することと、
前記第1の変調波が前記3つの変調波の中で最大であると判定すると、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値に並進させることと、
を含む請求項1又は請求項2に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップは、
前記第1の変調波が前記3つの変調波の中で最大であるか、最小であるか、あるいは最大と最小との間に介在する中間であるかを判断することと、
前記第1の変調波が前記3つの変調波の中で最小であると判定すると、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のボトム値に並進させることと、
を含む請求項1又は請求項2に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップは、
前記第1の変調波が前記3つの変調波の中で最大であるか、最小であるか、あるいは最大と最小との間に介在する中間であるかを判断することと、
前記第1の変調波が前記3つの変調波の中で中間であると判定すると、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波の中間値に並進させることと、
を含む請求項1又は請求項2に記載の変調波制御方法。 - 前記第1の変調波を前記搬送波の中間値に並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、前記変調波制御方法は、
前記対応する電流中のいずれが二番目に大きい電流値であるかを判断することと、
前記二番目に大きい電流値に対応する変調波を第2の変調波として取ることと、
前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値又はボトム値に並進させることと、
を更に含む請求項5に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値又はボトム値に並進させるステップは、
前記第2の変調波が前記3つの変調波の中で最大であるか、あるいは最小であるかを判断することと、
前記第2の変調波が前記3つの変調波の中で最大であると判定すると、前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値に並進させることと、
を含む請求項6に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値又はボトム値に並進させるステップは、
前記第2の変調波が前記3つの変調波の中で最大であるか、あるいは最小であるかを判断することと、
前記第2の変調波が前記3つの変調波の中で最小であると判定すると、前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のボトム値に並進させることと、
を含む請求項6に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップは、前記第1の変調波の極性を判断して、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値又はボトム値に並進させることを含み、
前記第1の変調波を前記搬送波のピーク値又はボトム値に並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波の中間値に並進させることを更に含む請求項1又は2に記載の変調波制御方法。 - 前記第1の変調波を前記搬送波の中間値に並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、
前記対応する電流中のいずれが二番目に大きい電流値であるかを判断することと、
前記二番目に大きい電流値に対応する変調波を第2の変調波として取ることと、
前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値又はボトム値に並進させることと、
を更に含む請求項9に記載の変調波制御方法。 - 前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値又はピーク値とボトム値との間に介在する中間値に並進させるステップは、前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値及び中間値の中の1つに並進させることを含み、
前記第1の変調波を前記搬送波のピーク値、ボトム値及び中間値の中の1つに並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、
前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値及び中間値の中の別の1つに並進させることを更に含み、
前記第1の変調波を前記搬送波のピーク値、ボトム値及び中間値の中の別の1つに並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、
前記3つの変調波に前記並進量を重ね合わせて、前記第1の変調波を前記搬送波のピーク値、ボトム値及び中間値の中の第3者に並進させることを更に含む請求項1又は請求項2に記載の変調波制御方法。 - 前記第1の変調波を前記第3者に並進させた後で、前記3つの変調波のいずれかが前記搬送波のピーク値を超え又は前記搬送波のボトム値よりも低い場合、
前記対応する電流中のいずれが二番目に大きい電流値であるかを判断することと、
前記二番目に大きい電流値に対応する変調波を第2の変調波として取ることと、
前記3つの変調波に前記並進量を重ね合わせて、前記第2の変調波を前記搬送波のピーク値又はボトム値に並進させることと、
を更に含む請求項11に記載の変調波制御方法。 - 3つのブリッジアームがそれぞれ少なくとも3つの変調波に対応する三相3線式3レベル回路に用いられ、前記3つの変調波と搬送波を比較することによって前記三相3線式3レベル回路を制御する変調波制御方法であって、
前記三相3線式3レベル回路の各相にそれぞれ対応する電流に基づき、前記3つの変調波から第1の変調波を取得するステップと、
前記3つの変調波に並進量を重ね合わせて、前記第1の変調波を前記搬送波の高値、低値又は高値と低値との間に介在する中間値に並進させるステップと、
を含む変調波制御方法。 - 前記3つの変調波から前記第1の変調波を取得するステップは、
前記対応する電流中のいずれが最大電流値であるかを判断することと、
前記最大電流値に対応する変調波を前記第1の変調波として取ることと、
を含む請求項13に記載の変調波制御方法。 - 請求項1〜請求項14のいずれか1項に記載の変調波制御方法が採用される三相3線式3レベル回路。
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