| 摘要 |
PROBLEM TO BE SOLVED: To control an inverter circuit so as to prevent a flow of overcurrent by changing an output voltage of the inverter circuit.SOLUTION: A DC-DC converter includes the inverter circuit, a rectification circuit, a voltage detection circuit, and a control device for controlling the inverter circuit. The control device includes a comparison section for outputting an error value calculated by the comparison of a voltage detection value with a voltage command value, a control section for calculating a manipulated variable of operation of the inverter circuit on the basis of the error value, and a limitation section for limiting the manipulated variable so as to put a constant limit on a voltage drop for a step-down change from the voltage detection value to the voltage command value if an output voltage value is stepped down according to the manipulated variable. |
