grid connected inverter control

I need some help in grid connection of inverter. i have attached a model, in which the current from inverter + grid = load. they r not in phase bt are getting added up, if there s a mistake n PLL pls help me crct it

Answer 1

[Sabin]

No model attached. I suggest starting with the Three-Phase Grid-Tied Inverter example in Simscape Electrical.