| 摘要 |
PURPOSE: A cooler of a pole transformer is provided to increase the cooling efficiency of a transformer by forming the end in the cooling fin of a pole transformer to be spaced from the main body of a cooling device. CONSTITUTION: A cooling device main body(11) is closely adhered to the exterior of a pole transformer. Cooling pins(12, 12a) are separated from the cooling device main body and are formed in radiation. A terminal exposure unit(11a) is formed to make the connection terminal outside. A cooling pin(12a) is connected to the surface of the cooling device main body(11). A connection wing(12b) is formed between the cooling pins(12, 12a).
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