低纹波、低噪声半导体激光器电源的设计与实现-毕业论文参考网 关键词：电源；电压；电流；滤波；脉动系数 [gap=1188]Key words: Power source;Voltage;Electric current;Filter;Ripple ratio
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... 变速比 ratio of gear; variable-speed ratio 波速比 ripple ratio; steepness 调速比 speed regulation ratio ...
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... 纹波电压 Ripple Voltage 纹波系数 Ripple Ratio 电磁兼容性 （EMC） electromagnetic compatibility ...
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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。
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。
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.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
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