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EESNB 30KW Off-Grid Power Frequency Inverter Three phase

EESNB 30KW three phase Off-grid Power Frequency Pure Sine Wave Inverter Off-grid, use 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. EEDNB 20KW Wide DC input voltage range.
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EESNB 30KW Off-Grid Power Frequency Inverter Three phase


Off-grid Connection


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.


Technical Parameters

Type EESNB30-110 EESNB30-220 EESNB30-380

Input rated voltage 110   VDC 220   VDC 380   VDC
Input rated current 303A 151   A 88   A
Input DC voltage allowing range 90-140   VDC 180-280   VDC 320-500VDC
AC input
    (AC bypass)
Allow   input voltage range 220   VAC / 380 VAC / 400 VAC± 15% VAC
Input rated current 83A /   45.5A / 43.5 A
Bypass transfer time ≤40   ms(4ms optional)
AC output Rated   capacity 30KVA
Output rated voltage and frequency 220   VAC / 380 VAC / 400 VAC,50Hz /   60Hz
Output rated current 83A /   45.5A / 43.5 A
Output voltage accuracy 220   VAC / 380 VAC / 400 VAC ± 2%
Output frequency accuracy 50Hz   / 60Hz ± 0.05%
Wave Pure   sine wave (Isolation transformer)
THD. ≤3%(Linear   load)
Power factor (PF) 0.8
Overload capacity 120%,10   minutes
Overcurrent capacity 200%,10   seconds
Crest factor (CF) 3:01
Inverter efficiency >92%
Working Environment Dielectric   strength 1500VAC,1minute
Noise (1m) ≤50dB
Ambient temperature -10℃~+50℃
Humidity 0~90%,   No condensation
Altitude <2000m 
Higher than 2000m   rated power should be reduced
Production function Input   reverse protection, input under-voltage protection, output overload   protection, output short circuit protection, thermal protection
Communication interface RS485/WIFI/GPRS/Ethernet   (optional)
Pure Sine Wave  Yes 
Equipped With Copper Transformer  Yes 
Solar Charger  Optional 
AC Charger  Optional 
Generator Port  Optional 
Size 520*1160*1375mm
Weight 330   kg


Project Sample

On grid project sample 1On grid project sample 3

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