Multiple inverters in parallel is an important way to increase the capacity of inverters and to enhance the carrying capacity of high-power loads of ships. However，the inconsistency of the output voltage of multiple parallel inverters can lead to the formation of circulating current between the inverters，which will affect the power quality of the output voltage and reduce the reliability of the load power supply. In this paper，a parallel inverter synchronous control method based on FC-AE is proposed，which adopts optical fiber communication to transmit the synchronous signals between inverters. The delay error caused by the difference in the length of the communication line is considered，and a compensation scheme is designed. The results of simulation and experiment show that the proposed method can achieve high-precision synchronization of the output voltage phases of multiple inverters， which significantly suppresses the circulating current among the parallel inverters.
