逆变器并联运行控制策略研究

Research of Control Strategy in Parallel Inverters

环流是影响逆变器并联运行性能的一个重要因素,本文介绍了环流产生的原因及环流反馈控制原理,并基于此原理提出了一种双逆变器并联控制策略,并通过仿真验证了所提方法有效抑制环流。

The circle current is a primary factor of the power converters working in parallel .The generating and the feedback control principle of circle current are analyzed in this paper. Based on the principle, the control strategy of two inverters which working in parallel is presented, and the circle current and the simtdation results prove that the presented method can effectively restrain the circle current.