| 摘要 |
<p>A converter cooling system is provided. A converter cooling system according to an embodiment of the present invention includes: a cubicle for containing various electrical apparatuses comprising a converter; an outside air fan which is installed in the outside of the cubicle and is connected to one end of an outside air pipe which penetrates through one surface of the cubicle for blowing the outside air in; an air stream forming pipe which is a ring-shaped pipe which is connected to the other end of the outside air pipe from inside of the cubicle for discharging the outside air which passes through the outside air pipe to the upward through a gap-shaped nozzle; a heat exchanger which is arranged in an upper part of the air stream forming pipe for cooling the inside air rising by the air stream forming pipe by exchanging heat with the outside; and a control unit for supplying power to the outside air fan using an independent external power supply which is separated from the power of the converter.</p> |
