125-255kW three-phase utility-scale 1500 Vdc PV string inverters have 9 MPPT (125K) or 12 independent MPPTs (185 & 255K) with high-rated dc inputs that support "Y" type connection in DC side, up to 30A per DC input . Maximum string input current 15A, support bifacial modules access. Supports anti-PID function to improve system efficiency. High-precision intelligent PV string monitoring reduces fault location time.