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EESNB 30KW
ENGELEC
EESNB 30KW
EESNB 30KW Off-Grid Power Frequency Inverter Three phase
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
EESNB 30KW Off-Grid Power Frequency Inverter Three phase
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
