| 摘要 |
PROBLEM TO BE SOLVED: To improve, when a power conversion device including two switching elements connected between a positive electrode and a negative electrode of a DC power supply in series is caused to operate through PWM control, accuracy of an output voltage of the power conversion device.SOLUTION: An inverter control device includes: control parts corresponding to three phases, respectively. A U-phase control part 102U includes: an edge detection circuit 114 that detects an edge of a PWM command signal; a counter 115 that counts a designated dead time with the detection of the edge of the PWM command signal by the edge detection circuit 114 as a trigger; and a reset circuit 118 that, when the edge detection circuit 114 detects an edge of the PWM command signal while the counter 115 is counting the designated dead time, sets a count value to be counted by the counter 115 at a value smaller than a count value corresponding to the designated dead time. |
