Hitachi Industrial Equipment Systems Co., Ltd.

Hideharu Ohama

Noriyuki Hayashi

Toshiki Shirahata

Takahide Matsuo

Junji Ono

The present invention aims to provide a stationary equipment installed in a sealed space on a space-saving basis and having a favorable cooling efficiency. The stationary equipment includes an equipment main body containing an iron core, a coil and insulating oil, a hollow pipe connected to the equipment main body to circulate the insulating oil in it and a plurality of hollow corrugated fins disposed on the pipe. The pipe and the corrugated fins are covered with a hood, a duct is connected to the hood and the duct is connected to an elongated cylindrical member vertically disposed on an inner wall of the tower to increase airflow by stack effect to increase a cooling efficiency in a wind power generation device.

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Murakami, Japan

Hideharu Ohama