Numbers of Blade	3 pcs
Material of Blade	FRP Complex Resin
Diameter of Wind Rotor	4.5m
Start (out-in) wind speed	2.5m/s
Working wind speed	2.5-18m/s
Rated speed	220 rpm
Security wind speed	45m/s
Wind energy ratio	40%
Generator	Three phase Permanent magnet generator
Generator rated power	3000w
Max output power	4000w
Charging voltage	240Vdc
Output voltage of Inverter	Single phase 220-240Vac/50HZ 110-130Vac /60HZ Three Phase 380-415Vac/60HZ
Stop method	By Controller auto-brake or Manual
Wind direction tracking method	By dogvane and controller auto-adjustment
Speed adjustment method	By anemoscope and serve motor
Protect method	Intelligent control full-automatically
Tower type	Galvanized Tapered tower
Tower height & weight	12m/ 1450kgs
Charging control	Intelligent control full-automatically
Inverter power supply	Pure sine wave
Battery Matching (for off-grid wind system)	20pcs 12Vdc-120/150AH Lead-acid or colloid batteries
Grid tied inverter matching (For on-grid wind system)	Input: 240Vdc Output: 240Vac single phase or 380-415Vac Three phase Recommend : SMA WB3000A (one pcs)               Sungrow WG5K (one pcs)
Time of charging (off-grid type)	About  18 hours
Annual power generation	About 6500 KWH ( annual average wind speed above 5m/s )
Packing details
Total packages	4pkgs
Total N.W / G.W	880kgs / 960kgs
Total Volume	4.2 CBM