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Sampling of discontinuous voltage and current signals in electrical drives: a system approach

机译:电驱动器中不连续电压和电流信号的采样:一种系统方法

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摘要

Various methods for sampling of voltage and current signals in electrical drives are analyzed and compared, two new methods for sampling the discontinuous voltage and current signals in a pulsewidth modulation drive are proposed. The methods are based on sampling the instantaneous values and locally averaged values (over one carrier period) of signals. Analytical expressions for adjustment of digital current regulators and achievable bandwidths with the various sampling methods are derived. The results are experimentally verified.
机译:分析和比较了各种电气驱动器中电压和电流信号采样方法,提出了两种新的脉宽调制驱动器中不连续电压和电流信号采样方法。该方法基于对信号的瞬时值和局部平均值(在一载波周期内)进行采样。推导了使用各种采样方法调整数字电流调节器和可达到的带宽的解析表达式。结果通过实验验证。

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