...与控制（Power System Steady State Operation and Control） 第二讲 有功功率与频率控制（Active Power and Frequency Control） 1 问 题1、频率偏移有何影响？允许频率偏移量？
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The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.
文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
When applied to active power filter, this novel control scheme not only reduces the switching frequency and the switching loss, but also has better performance and robustness.
该控制策略在有源电力滤波器的应用，不仅大大减小了开关频率、降低了开关损耗，而且具有很强的鲁棒性和更好的控制精度。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
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