... 3, Parallel running mode with string of inverter 5kW Inverter Solar with DSP Controller and High Efficiency, Overloading Protection ... working control of unisolated island;Perfect function of protection and alarm;The LED,LCDdisplay function;RS485/RS232,Ethernet,GPRS communication, ... efficiency93.5%DisplayLCDTHD(Iac)THD(Iac)<4 %(full-capacity)Power factor≥0.99(half-capacity)MPPT Precision99%Grid ...