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US08395918B2 Method of and apparatus for controlling three-level converter using command values 有权
使用命令值控制三电平转换器的方法和装置

Method of and apparatus for controlling three-level converter using command values
Abstract:
Controlled by switching is which reactor in a reactor group present between a power source and a three-level converter is to be connected to an intermediate point that outputs a midpoint potential. In the switching, the closer to the command value of the midpoint potential the command values of input potentials of the converter are, the greater the duty at which corresponding reactors are connected to the intermediate point is for pulse width modulation. Additionally, a predetermined range to be compared with the command values has a predetermined potential width with respect to an AC waveform centered around the command value of the midpoint potential.
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