In this paper several methods of the true RMS AC-DC conversion are exemplified, and the advantages of various methods are compared.

本文介绍几种真有效值交直流转换的方法，并对各种方法的优缺点进行了比较。

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We can realize the control to the button state, Sampling and determine for parameters, the output and communication. And can complete the DC to AC conversion smoothly.

实现了对按键状态、参数采样和判定、输出及通信的有效控制，顺利地完成了由直流到交流的转换。

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To describe the operating principle and control, this paper focuses on an example: a Z-source inverter for dc-ac power conversion needed in fuel cell applications.

以应用于燃料电池逆变功率变换的阻抗源逆变器为例，分析了其工作原理和控制方法。

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