The power supply of high speed electrical machine is high-frequency voltage and the loss of electrical machine density is great and heat dissipation is difficult.
高速电机的体积小、功率密度大和效率高，正在成为电机领域的研究热点之一。
This system could precisely machine elliptic parts with high speed by the micro-reciprocating feed motion of linear motor and the high speed performance of electrical spindle.
结合直线电机的微量往复进给运动和电主轴的高速性能，实现了对椭圆零件的高速精密加工。
Some new types of control circuits of high speed electromagnetic clutch used in electrical machine are designed in this paper.
提出了电机高速电磁离合器的几种控制电路，并进行试验分析。
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