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    • 3. 发明专利
    • Stationary equipment
    • 固定式设备
    • JP2013029099A
    • 2013-02-07
    • JP2011283336
    • 2011-12-26
    • Hitachi Industrial Equipment Systems Co Ltd株式会社日立産機システム
    • ONO JUNJIOHAMA HIDEHARUSHIRAHATA TOSHIKI
    • F03D11/00
    • F03D80/82F03D80/60Y02B10/30Y02E10/725
    • PROBLEM TO BE SOLVED: To provide equipment which can be installed in a closed space, is space-saving and has a favorable cooling efficiency by solving such a problem that stationary equipment used in a wind power station provided with a wind mill, a tower, a nacelle and a power generator is tightly closed, therefore, is difficult to produce convection flow of air, has a unsatisfactory cooling efficiency of the stationary equipment and, upon forced cooling, enlarges the size of equipment and is difficult to secure an installing space.SOLUTION: The stationary equipment includes: an equipment body which houses an iron core, a coil and insulating oil therein; a hollow pipe which is connected to the equipment body and causes the insulating oil to circulate therethrough; and a plurality of hollow corrugated fins which are disposed in the pipe, wherein the pipe and the corrugated fins are covered with a hood, a duct is connected to the hood, the duct is connected to an elongated cylindrical member vertically disposed on an inner wall of the tower, an air flow is increased by virtue of stack effect and the cooling efficiency is improved in the wind power station.
    • 要解决的问题:为了提供可以安装在封闭空间中的设备,节省空间并且通过解决在设置有风力发电机的风力发电站中使用的固定设备的问题而具有良好的冷却效率, 塔架,机舱和发电机紧密封闭,因此难以产生空气对流,固定设备的冷却效率不理想,而在强制冷却时,设备尺寸扩大,难以确保 安装空间。 固定式设备包括:容纳铁芯,线圈和绝缘油的设备主体; 中空管,其连接到设备主体并使绝缘油循环通过; 以及设置在管中的多个中空的波纹状散热片,其中管和波纹状散热片被罩盖罩,导管与罩连接,该管道与垂直设置在内壁上的细长圆柱形部件连接 的塔架,由于堆叠效应,风量增加,风力发电站的冷却效率得到提高。 版权所有(C)2013,JPO&INPIT