Main motor frequency modulation control.
主电动机调频控制。
The DSP processor was adopted to realize the permanent magnetic synchronism motor frequency conversion timing system.
采用DSP处理器实现永磁同步电机变频调速系统。
This paper introduces the 16-bit MC9S12H256 MCU and describes the design of closed loop asynchronous motor frequency converter control system using it in details.
文章介绍了目前国内应用较少的16位单片机MC9S12H256，并详细阐述了使用该型号单片机实现闭环变频调速系统的设计方案。
The results show that available power and power input of water pump continuously decline with motor frequency reducing, and pump efficiency also decrease at the same time.
结果水泵有效功率和输入功率均随着电机频率的下降而不断降低，同时水泵效率也随着频率下降而降低。
Results There was no significant difference between the two groups with regard to motor frequency, but the rate of mistake in the old group was significantly higher than that in the young group.
结果两组间的运动频率无明显差异，但中老年组的错误率显著高于青年组。
Common Three-coil Motor, Frequency Motor, Synchronal Perpetuation Magnetism Motor can be tested by this system.
该系统既可以对普通三相异步电机也可以对变频电机和同步永磁电机进行自动测试。
Common Three-coil Motor, Frequency Motor, Synchronal Perpetuation Magnetism Motor can be tested by this system.
该系统既可以对普通三相异步电机也可以对变频电机和同步永磁电机进行自动测试。
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