发明授权
US4419615A Method of controlling pulse width modulated inverter for use in induction motor drive 失效
控制用于感应电动机驱动的脉宽调制逆变器的方法

Method of controlling pulse width modulated inverter for use in
induction motor drive
摘要:
An amplitude ratio K.sub.H of a specific level of a modulating wave and a crest value of a carrier wave is introduced into control of a pulse width modulated inverter, and a desired pulse width modulating signal is calculated by a microcomputer, using the amplitude ratio K.sub.H as a control variable.
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