For the three-phase grid-connected inverter parallel inverter system,the different of componments and circuit parameters cause loop-current among modular inverters.It is hard for the traditional droop control to get accurate control effect due to only considering the inductance of line.So a new control scheme using virtual resistance and a revised droop control algorithm which taken a full account both resistance and inductance having an effect on output voltage is proposed in this paper to overcome the loop-current. Models of parallel grid-connected inverters used Matlab/Simulink software is established. Simulink results validate the advantage of the proposed method and achieve better result.