Applying discrete duty ratio control technology into direct torque control can reduce the ripple, and keep the feature of simplicity.
采用离散占空比控制技术的直接转矩控制能够在减小输出转矩脉动的同时保持算法简单的特性。
2
The influence on the power transfer and the current ripple with different turns ratio was researched. The experimental results verified the analysis.
文章研究了采用不同的正激、反激变压器匝比对传输功率的分配比例、电流纹波等影响，并进行了试验验证。
3
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.