Three-phase low-voltage 14–20 kW grid-connected inverters
1.100% unbalanced output, max. output up to 50% rated power for each phase
2.AC couple to retrofit existing solar system
3.Max. 10 pcs parallel for on-grid and off-grid operation; Support multiple batteries parallel
4.Max. charging/discharging current of 350A
5.48V low voltage battery, transformer isolation design
6.6 time periods for battery charging/discharging
7.Support storing energy from diesel generator
2.AC couple to retrofit existing solar system
3.Max. 10 pcs parallel for on-grid and off-grid operation; Support multiple batteries parallel
4.Max. charging/discharging current of 350A
5.48V low voltage battery, transformer isolation design
6.6 time periods for battery charging/discharging
7.Support storing energy from diesel generator
Product Specifications
| Technical Data | |||||
| Model | SW-14K-SG05LP3 -EU-SM2 | SW-15K-SG05LP3 -EU-SM2 | SW-16K-SG05LP3 -EU-SM2 | SW-18K-SG05LP3 -EU-SM2 | SW-20K-SG05LP3 -EU-SM2 |
| Battery Input Data | |||||
| Battery Type | Lead-acid or Lithium-ion | ||||
| Battery Voltage Range(V) | 40-60 | ||||
| Max.Charging Current(A) | 260 | 280 | 300 | 330 | 350 |
| Max.Discharging Current(A) | 260 | 280 | 300 | 330 | 350 |
| Charging Strategy for Li-ion Battery | Self-adaption to BMS | ||||
| Numberof BatteryInput | 1 | ||||
| PV String Input Data | |||||
| Max.PVAccess Power(W) | 28000 | 30000 | 32000 | 36000 | 40000 |
| Max.PVInput Power(W) | 22400 | 24000 | 25600 | 28800 | 32000 |
| Max.PVInput Voltage(V) | 800 | ||||
| Start-up Voltage(V) | 160 | ||||
| MPPT Voltage Range(V) | 160-650 | ||||
| Rated PV Input Voltage(V) | 550 | ||||
| Max.Operating PVInput Current(A) | 36+36 | ||||
| Max.Input Short-Circuit Current(A) | 54+54 | ||||
| No.of MPP Trackers/No.of Strings MPPTracker | 2/2+2 | ||||
| ACInput/Output Data | |||||
| Rated ACInput/Output Active Power(W) | 14000 | 15000 | 16000 | 18000 | 20000 |
| Max.AC Input/Output Apparent Power(VA) | 15400 | 16500 | 17600 | 19800 | 22000 |
| Rated ACInput/Output Current(A) | 21.3/20.3 | 22.8/21.8 | 24.3/23.2 | 27.3/26.1 | 30.4/29 |
| Max.AC Input/Output Current(A) | 23.4/22.4 | 25/24 | 26.7/25.6 | 30/28.7 | 33.4/31.9 |
| Max.Continuous ACPassthrough(grid to load)(A) | 70 | ||||
| Peak Power(off-grid)(W) | 2 times of rated power, 10s | ||||
| Power Factor Adjustment Range | 0.8 leading to 0.8 lagging | ||||
| Rated Input/Output Voltage/Range(V) | 220/380V,230/400V 0.85Un-1.1Un | ||||
| Rated Input/Output Grid Frequency/Range(Hz) | 50/45-55, 60/55-65 | ||||
| Grid Connection Form | 3L+N+PE | ||||
| Total Current Harmonic Distortion THDi | <3% (of nominal power) | ||||
| DC Injection Current | <0.5% In | ||||
| Efficiency | |||||
| Max.Efficiency | 97.6% | ||||
| Euro Efficiency | 97.0% | ||||
| MPPT Efficiency | >99% | ||||
| Equipment Protection | |||||
| Integrated | DC Reverse Polarity Protection, AC Output Overcurrent Protection, Thermal Protection, AC Output Overvoltage Protection, AC Output Short Circuit Protection, DC Component Monitoring, Arc Fault Circuit Interrupter (optional), Anti-islanding Protection, DC Switch, Insulation Impedance Detection, Residual Current Detection |
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| Surge Protection Level | TYPE II(DC), TYPE II(AC) | ||||
| Interface | |||||
| Communication Interface | RS485/RS232/CAN | ||||
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) | ||||
| General Data | |||||
| Operating Temperature Range (°C) | -40 to +60°℃, >45°℃ Derating | ||||
| Permissible Ambient Humidity | 0-100% | ||||
| Permissible Altitude | 3000m | ||||
| Noise(dB) | <60 | ||||
| Ingress Protection(IP) Rating | IP65 | ||||
| Inverter Topology | Non-lsolated | ||||
| Over Voltage Category | OVC II(DC), OVC III(AC) | ||||
| Cabinet Size (WxHxD mm) | 456x750x268.5 (Excluding Connectors and Brackets) | ||||
| Weight(kg) | 51.9 | ||||
| Type of Cooling | Intelligent Air Cooling | ||||
| Warranty | 5 Years/10 Years the Warranty Period Depends the Final Installation Site of Inverter, More Info Please Refer to Warranty Policy |
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| Grid Regulation | IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002,OVE-Richtlinie R25, G99, VDE-AR-N 4105 | ||||
| Safety/EMC Standard | IEC/EN61000-6-1/2/3/4,IEC/EN62109-1,IEC/EN62109-2 | ||||
