Reviews on parallel circuit of interver power

The parallel of inverter power can improve power system's capacity,maintainability and redundancy,but design of main circuit and control method is more complex.This paper detailed the analysis of the inverter's main circuit with topology.including independent parallel systems,interactive parallel system,independent parallel of DC power inverter and parallel of common DC power,and their advantages and disadvantages.Aim to different topologycal main circuit,this paper introduced the relevant control method,which is of certain guidance for improving the stability and reliability of industrial automatic power and high-end inverter welding power system.