| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a driving device of a motor, capable of stabilizing DC voltage control or DC current control. <P>SOLUTION: The driving device of a motor includes power supply units (1, 3) for outputting power as DC power; an inverter 4 connected to the power supply units, inputting the DC power outputted from the power supply units, converting the input DC power into polyphase AC power and outputting the AC power; a polyphase AC motor 5 to be driven with the polyphase AC power output from the inverter; and a controller 6 provided with an inverter control means for controlling a switching element of each of phases of the inverter and controlling the inverter. The driving device is configured so that a PWM signal for driving each of the switching elements of the inverter 4 is generated on the basis of a (DC) voltage Vdc' subjected to delay processing by a delay circuit 19. <P>COPYRIGHT: (C)2009,JPO&INPIT |
