300kw DC/AC 480V off Grid Three Phase Wind Generator Inverter

300KVA 480V DC off grid three phase inverterPower Frequency Pure Sine Wave Inverter Features:Complete isolation-type inverter technology, noiseless output.Adoption of advanced SPWM technology, pure sine wave output.Dynamic current loop control technology to ensure inverter reliable operation.Wide DC input voltage range.Excellent EMC design.Low output harmonic distortion (THD≤3%).LED indicators for input voltage range, load power range, normal output & failure state.Optional energy saving mode.Extensive protections: reverse polarity, short-circuit, overload, under/over input voltage, over-temperature, and inverter's inner fault identification protections.Wide working temperature range (industrial level).Continuous operation at full power.Application○  For desolate area like mountain, island, pasturing area, etc. ○  For transportation system like beacon light, traffic light, street light, etc.○  For communication system: unattached operation microwave middle   station, optical cable maintenance station, etc. ○  For solar power station, wind-solar power station, park charging station, family    power house, factory power station, etc. ○  For solar building: has good business future. ○  For the new technology application project.300KVA off grid three phase inverter technical parameters  TypeSHJ-NBQ400K-T480DC inputInput rated voltage480 VDC Input rated current694.4A Input DC voltage allowing range400-620 VDCAC input(AC bypass)Allow input voltage range220 VAC / 380 VAC / 400 VAC ± 15% VAC Input rated current830A / 450A / 430A Bypass transfer time≤100ms(4ms optional)AC outputRated capacity300KVA Output rated voltage and frequency220 VAC / 380 VAC / 400 VAC,50Hz / 60Hz Output rated current830A / 450A / 430A Output voltage accuracy220 VAC / 380 VAC / 400 VAC ± 2% Output frequency accuracy50Hz / 60Hz ± 0.05% WavePure sine wave   (Isolation transformer) THD.≤3%(Linear load) Power factor (PF)0.8 Overload capacity120%,10 minutes Overcurrent capacity200%,10 seconds Crest factor (CF)3:1 Inverter efficiency>96%Working EnvironmentDielectric strength1500VAC,1 minute Noise (1m)≤50dB Ambient temperature-10ºC~+50ºC Humidity0~90%, No condensation Altitude96%Working EnvironmentDielectric strength1500VAC,1minuteNoise (1m)≤50dBAmbient temperature-10ºC~+50ºCHumidity0~90%, No condensationAltitude