| 摘要 |
<P>PROBLEM TO BE SOLVED: To appropriately control an operation for protecting an inverter of a power supply device for an electric vehicle in accordance with the outside air temperature. <P>SOLUTION: The power supply device for the electric vehicle has an inverter device 3 which converts power supplied from an overhead wire to fixed frequency AC power and supplies it to a load device, a temperature detecting means 8 which detects the outside air temperature, a load amount detecting means 9 which detects the load amount of the load device, and a control means 4 which controls the operation for protecting the inverter device 3, according to the outside air temperature detected by the temperature detecting means 8 or the load amount detected by the load amount detecting means 9. <P>COPYRIGHT: (C)2013,JPO&INPIT |
