一种用于单相应用的开环电网同步方法

From the control point of view, synchronization techniques are divided into two major categories: open-loop and closed-loop methods. Roughly speaking, open-loop synchronization (OLS) approaches are not as popular as closed-loop ones, probably because they suffer from a poor performance in the presence of frequency drifts. This is particularly true in single-phase applications, where the lack of mu...