介绍广州地铁1号线车辆电子控制装置冷却风扇的国产化技术方案、电路结构和原理及直流无刷风扇的风叶材料和轴承。
It is presented the localized technical scheme, circuit structure and principles for the cooling fan of control electronics for Guangzhou metro line 1 vehicles.
直流无刷散热风扇，交流散热风扇及其它行业如汽车冰箱、空调、机械医疗设备等专用风扇。
Brushless DC cooling fans, AC cooling fans and other appropriative fans, for example: cars, refrigerators, air-conditions and the medical mechanism etc.
对无刷直流风扇的原理，常见的故障现象及维护进行探讨。
The principle? Common faults and its maintenance of non-brush direct current fan are discusses in this paper.
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