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ACTIVE FILTER TOPOLOGY FOR CASCADED INVERTERS
ACTIVE FILTER TOPOLOGY FOR CASCADED INVERTERS
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机译:级联逆变器的有源滤波器拓扑
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摘要
A method for generating a combined output waveform (VOUT) in a power inverter system (100) is disclosed. The power inverter system comprises a voltage equaliser (120) having an energy storage element adapted to be charged by a combined output voltage from a plurality of switching units and to add an adjustable voltage to the combined output waveform. A voltage of the combined output waveform is measured, a difference (Δ) between the measured voltage of the output waveform and a voltage of a target waveform (UT) is determined, and a voltage (UCORR) corresponding to the determined difference is added, by the voltage equaliser, to the combined output waveform so as to improve the matching of the combined output power waveform and the target power waveform.
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机译:公开了一种用于在功率逆变器系统( 100 B>)中生成组合输出波形(V OUT Sub>)的方法。该功率逆变器系统包括均压器( 120 B>),该均压器具有能量存储元件,该能量存储元件适于由来自多个开关单元的组合输出电压充电并且向组合输出波形添加可调电压。测量组合的输出波形的电压,确定测量的输出波形的电压与目标波形的电压(U T Sub>)之间的差(Δ),并确定电压(U <通过电压均衡器将与所确定的差相对应的Sub> CORR Sub>)添加到组合输出波形,以改善组合输出功率波形与目标功率波形的匹配。
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