| 摘要 |
<p>According to an embodiment of the present invention, a cooling device for a refrigerating vehicle comprises a cooling system having a compressor, a condenser, an expander, and an evaporator; a driving motor for driving the compressor; and a power supply device for supplying power to the driving motor. The power supply device comprises an input part for applying voltages through an alternator connected to an engine, a solar cell, and prevailing power; a first converter installed between the alternator and the input part to convert the voltage of the alternator to input voltage; a second converter installed between the solar cell and the input part to convert the voltage of the solar cell to the input voltage; and a third converter installed between the prevailing power and the input part to convert the voltage of the prevailing power to the input voltage.</p> |
