... good quality 3. Sine wave 4. Three-phase grid tie 50kW Solar Inverter with DSP Controller and High Efficiency, Overloading ProtectionDigital DSP control ... of solar battery;The pure sine wave output,auto in-phase grid-connected,the harmoy wave is few,and it is ... ×800×1900Reference Weight(KG)530 50kW Solar Inverter with DSP Controller and High Efficiency, Overloading Protection