500KVA 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.500KVA off grid three phase inverter technical
parameters TypeSHJ-NBQ500K-T480DC inputInput rated voltage480
VDCInput rated current1157AInput DC voltage allowing range400-620
VDCAC input(AC bypass)Allow input voltage range220 VAC / 380 VAC /
400 VAC ± 15% VACInput rated current1380A / 760A / 725ABypass
transfer time≤100ms(4ms optional)AC outputRated
capacity500KVAOutput rated voltage and frequency220 VAC / 380 VAC /
400 VAC,50Hz / 60HzOutput rated current1380A / 760A / 725AOutput
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)0.8Overload
capacity120%,10 minutesOvercurrent capacity200%,10
secondsCrest factor (CF)3:1Inverter efficiency>96%Working
EnvironmentDielectric strength1500VAC,1minuteNoise (1m)≤50dBAmbient
temperature-10ºC~+50ºCHumidity0~90%, No condensationAltitude
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