Using RT-LAB, a real-time simulation is made for the high-power inverter source, capture technology of SPWM wave is introduced, IGBT model is built, and the main circuit is set up.

本文利用RT - LAB对大功率逆变电源进行实时仿真，介绍了SPWM波的捕获技术，搭建IGBT模型，完成主回路的建模。

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Then current through C1, RT forms the return circuit-preheating filament.

于是，电流通过C1、Rt形成回路预热灯丝。

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