An AC power converter that based on a novel mixed sampling method, the principle of the sampling power measurement, and the power measurement algorithm and its measurement errors are described.

提出了一种混合采样的交流功率转换器，叙述了该种采样功率测量的原理，推导了功率测量的算法和功率测量误差。

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The efficiency and accuracy of the mixed method are improved by the use of the important sampling updating technique.

通过使用重要抽样技术，提高了混合分析法的计算效率和计算精度。

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