We design a suit of aviation AC excitation generator system, it insures the output voltage is constant frequency and constant voltage.
我们设计了一套航空用交流励磁发电机系统，以保证输出电压恒频恒压。
Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.
同时，高速交流传动机车广泛采用高开关频率器件的脉宽调制（PWM）逆变器，使得逆变器输出脉冲具有陡上升沿。
This device consists of inverter major circuit and monitoring system based on ARM7 chip AT91M55800. The main circuit produces power supersonic AC output with adjustable frequency and changeable power.
该装置由逆变主电路和以arm 7单片机at91 M 55800为核心的测控系统组成。逆变主电路实现了频率和功率均可调的超声频交流电的输出。
When added to the ac voltage across it and the chip frequency of the resonant frequency of the phase are equal, the maximum energy output, sensitivity is highest.
当加到它两端的交流电压的频率和晶片的共振频率相相等时，输出的能量最大，灵敏度也最高。
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
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