一个实用的逆变主电路拓扑

A practical inverter main circuit topology

对一种介于单端正激和半桥式之间的实用逆变电路进行了介绍和分析。根据电路特点和工作情况 ,分为单端正激工作状态、半桥工作状态和混合工作状态 3种形式 ,并进行了具体原理和关系的讨论。针对该电路拓扑结构和工作方式的对称性 ,对中点C的电位在工作时的变化进行了描述 。

The paper introduces and analyzes a practical inverter circuit between forward and half bridge circuit. According to the characteristic and working condition of circuit, it discusses the detailed theory and the relationship of forward condition, half bridge condition and hybrid condition. Due to the symmetry of topology and working condition of circuit, it describes the voltage of middle point C ' change and makes conclusion based on this.