| 摘要 |
Upon receiving a start instruction, a control device turns on first and third system main relays, and performs precharge processing for charging a capacitor. Here, a limiting resistor for preventing an inrush current into the capacitor in a discharged state at the time of start is not provided in a load drive device. The control device controls a gate voltage of a power MOSFET of the third system main relay such that the power MOSFET operates in a saturation region, in a range not exceeding a maximum rated power.
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