This is an introduction on inverter phase synchronization. The simulation files are included at the end of this post. There are several digital and analog control methods to meet this goal. In no particular order, we have DFT, KF, WLSE, ANF, KALMAN, PLL,FLL and ZCD. Most of them are documented in the digital (z-domain). A … Continue reading Single phase Inverter synchronization to mains using the zero crossing method and proportional / derivative control with analog components.