constant frequency AC的意思|示意

Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.

通过变频器在恒压供水系统中的应用，阐述了采用交流变频调速控制方案的经济性和优越性。

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。

It can make a synchronous machine to generate an ac power with constant frequency and constant power, the power quality is better and the power of matching convertor is lower than the generator.

它能够使用普通同步发电机发出恒频恒功率交流电，电能质量更好，所使用的变换器功率低于发电机功率。

From point of view of electric-energy control, AC excited generation system for wind-energy with variable-speed and constant-frequency includes AC excited generator, AC exciter and the control system.

交流励磁变速恒频风力发电系统从电能控制的角度来看，它包括交流励磁发电机、交流励磁器和发电控制系统。

The design and manufacture for MW-class AC-excited doubly-fed generator is very important in the variable speed constant frequency doubly-fed wind power system.

在变速恒频双馈风电机组中，交流励磁双馈风力发电机的设计和制造技术是十分关键的。

Based on the introduction of components and principle of work of frequency modulation system of constant frequency AC power supply, math model of frequency modulation system is established.

在介绍某型恒频交流电源频率调节系统的组成和工作原理的基础上，建立频率调节系统的数学模型。