Simulation research has been taken for its operation performance and the result indicated that BDFM was very suitable for the use of variable frequency adjusting speed.
然后简要分析了无刷双馈电机的基本原理，并对其运行特性进行了仿真研究，结果表明无刷双馈电机非常适合作为变频调速用电机。
The configuration and variable frequency adjusting speed of water circulation pump in city heat-supply system are introduced, and the effects of energy saving are analyzed.
对城市供热系统中循环水泵的配置及变频调速进行了介绍，分析了其节能效果。
The variable polarity power supply can satisfy the welding process of the aluminum and aluminum alloy by adjusting the current frequency, positive and negative current time and amplitude value.
调节正负半波的幅值、频率及占空比能满足铝及铝合金的焊接工艺要求。
The practices show that it achieves the goal of raising performance and saving energy by applying variable frequency speed adjusting. The economic and comprehensive benefits are noticeable.
实践表明，收尘排风机控制系统采用变频调速后，达到了提高系统性能和节能的目的，其经济效益和综合效益显著。
It can enhance the response speed of system to apply frequency variable adjusting speed technique, it is able to guarantee the optimization requirement of air-fuel ratio more satisfactory.
采用变频调速技术可以提高系统的响应速度，能比较满意地保证空(气)燃(料)比的优化需要。
In high precision variable frequency speed adjusting system, system's performances are guaranteed by accurate motor parameters.
在高精度变频调速系统中，准确的电动机参数是系统性能的保证。
And using the frequency variable adjusting speed technique to control the speed of benzole cooling pump automatically, to achieve the temperature stability of the benzole.
同时利用变频调速自动控制粗苯冷却泵的转速，实现粗苯温度的稳定。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计，所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计，所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
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