本文深入论述了现代变频同步电动机的电压等级、绝缘结构和通风冷却，以供电机工程人员设计参考。
The paper presents modern transducer-fed synchronous motors voltage lever, insulation and ventilation, which give a reference for electrical engineer.
使用中应检查电动机、轴承、电刷与集电环、螺栓、通风、滤尘器等情况。
The motor bearings brushes electric rings bolts, ventilation and filter dust unit are checked before operating.
将割草机存放于通风良好的地方且远离热源(包括炉子和电热器)、火源(如电动机和手动工具等)。
Store the mower in a well ventilated place out of the reach of sources of heat (including stoves and radiators) and sources of sparks (such as electric motors and hand tools).
就矿井通风系统(主要针对通风机、电动机)噪声产生的机理进行了较深入的研究分析，并提出其噪声控制的主要措施与途径。
The mechanisms of the noise generated in mine ventilation system, mainly in ventilators and electric motors, are analyzed in detail main measures and ways of noise controlling are put forward.
暖风机是由通风机，电动机及散热器组合而成的联合机组。
Warm air blower fan, motor and by a combination of radiator joint unit.
根据直流牵引电动机在持续运行中的温升变化控制通风机的电动机转速，实现通风量调节，以达到节能目的。
According to temperature changes of the DC traction motor in continuous operation, the fan motor speed is controlled, and the purposes of regulation of ventilation and energy-saving are achieved.
电动机的安装应保证其良好的通风冷却条件。
The setting of motor should guarantee good airing condition of motor.
电动机的安装应保证其良好的通风冷却条件。
The setting of motor should guarantee good airing condition of motor.
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