工作原理 变频器的主要任务就是把恒压恒频（constant voltage constant frequency，CVCF）的交流电转换为变压变频（variable voltage variable frequency，VV...
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constant voltage constant frequency -cvcf 恒压恒频
constant-voltage constant-frequency system 恒压恒频系统
Constant Voltage and Constant Frequency 恒电压 ; 恒压与恒频 ; 常压恒频装置
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。
To get constant voltage and constant frequency energy that users need, the software and hardware of the inverter control system is designed.
由于永磁直驱风力发电系统所发出的电能为电压和频率的交流电，为得到恒压恒频的电能，本文进行了逆变控制系统的软硬件设计。
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