... detection and connection, maximum power following, malfunction protection, anti-islanding and communication. Photovoltaic inverter can ... switch efficiency, wide input range, little wave distortion. Thus it can meet the needs ... internationally on performance, function and reliability as compared to other products. The product ... 5KW,50KW,500KW,combined/single grid, 220V/380V/400V,50Hz/60Hz.(The blue one ...