1.No transformer designing,small size,light weight
2.Machine efficiency>97%,reduce the system investment
3.Advanced technology for maximum power point tracking(MPPT)
4.MPPT efficiency>99%
5.Wide input voltage range
6.High reliability due to complete protection function
7.Installation and operation simplly
This article describes the optimum design of 3KW grid-tie solar system, which rooftop solar system can achieve maximum power output.