| 摘要 |
A power supply control apparatus for use in a vehicle is provided for ensuring necessary running and workability when an electrical insulation degradation of a high-voltage part is detected. A vehicle 100 having a high-voltage battery 14 and an inverter 17 is provided with: an electrical insulation degradation sensor 25 for detecting an electrical insulation degradation of the high-voltage part; main relays 22 and 23 for cutting off the supply of the power to the high-voltage part; a vehicle speed detector 16 for detecting a running speed Sn of the vehicle; and a controller 15 for causing the main relays to cut off the supply of the power as a power supply cutoff condition, when the electrical insulation degradation sensor detects the electrical insulation degradation of the high-voltage part and the running speed of the vehicle detected by the vehicle speed detector is lower than a preset speed St.
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