| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent occurrence of a response lag even when the DC voltage is low and to suppress pulsation of inverter output voltage due to DC voltage ripple component. <P>SOLUTION: The inverter waveform controller comprises a voltage control section 8 performing voltage control by receiving the output from a maximum efficiency control section 7 and outputting a voltage control amount Volt_Duty, a voltage control amount limiting section 9, a section 11 for correcting the output signal from the voltage control amount limiting section 9 based on the output signal from a DC voltage detecting section 10, a section 12 for limiting the corrected output voltage and outputting a voltage command, and a section 20 performing output voltage detection processing and feeding an output voltage detection signal to the voltage control amount limiting section 9 and the output voltage limiting section 12. <P>COPYRIGHT: (C)2004,JPO |
