... DSP Control,Isolating by transformer 3)LCD display protection Solar grid inverter 1)Digital DSP Control, Isolating by transformer,2) LCD ... of PV module6)Pure sine wave output, auto in-phase grid-connected, fewer harmonic wave, no disturbance or impact on ... grid.7)electromagnetic compatibility: EN50081,part1 EN50082,part18)Grid disturbance: EN61000-3-2 9)Grid text : DIN VDE ...