String InverterThree Phase Low Voltage String Inverter
SUN-18/20/21K-G04-LV
Three Phase | 2 MPPT | Low Voltage | 127/220Vac
Three Phase2 MPPTLow Voltage127/220Vac
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SUN-18/20/21K-G04-LV Three Phase | 2 MPPT | Low Voltage | 127/220Vac
Product Highlights
Features
01
127V/220V, 133V/230V and 50/60Hz, Three phase system
02
2 MPPT trackers, maximum and up to 98.6%
03
Zero export application, VSG application
04
String intelligent monitoring (optional)
05
Wide output voltage range
06
Anti-Pid Function (optional)
Specifications
| Model | SUN-18K-G04-LV | SUN-20K-G04-LV | SUN-21K-G04-LV |
|---|---|---|---|
| PV String Input Date | |||
| Max. PV Input Power(kW) | 27 | 30 | 31.5 |
| Max. PV Input Voltage(V) | 800 | ||
| Start-up Voltage(V) | 250 | ||
| MPPT voltage range(V) | 200-700 | ||
| Rated PV Input voltage(V) | 350 | ||
| Max. Operating PV Input Current (A) | 40+40 | ||
| Max. Input Short Circuit Current (A) | 60+60 | ||
| No. of MPP Trackers/No. of Strings per MPP Tracker | 2/3+3 | ||
| AC Output Side | |||
| Rated AC Output Active Power(kW) | 18 | 20 | 21 |
| Max. AC Output Apparent Power(kVA) | 18 | 20 | 21 |
| Rated AC output current (A) | 47.3/45.2 | 52.5/50.2 | 55.2/52.7 |
| Max. AC Output Current(A) | 47.3/45.2 | 52.5/50.2 | 55.2/52.7 |
| Rated output voltage/range (V) | 127V/220V, 133V/230V 0.85UN-1.1UN | ||
| Grid Connection Form | 3L/N/PE | ||
| Rated Output Grid Frequency/range(Hz) | 50/45-55, 60/55-65 | ||
| Power Factor Adjustment Range | 0.8 leading to 0.8lagging | ||
| Total Current Harmonic Distortion THDi | <3% | ||
| DC Injection Current | <0.5%ln | ||
| Efficiency | |||
| Max. Efficiency | 98.60% | ||
| MPPT Efficiency | ＞99% | ||
| Equipment Protection | |||
| DC Reverse Polarity Protection | Yes | ||
| AC Output Overcurrent Protection | Yes | ||
| AC Output Overvoltage Protection | Yes | ||
| AC Output Short Circuit Protection | Yes | ||
| Thermal Protection | Yes | ||
| Insulation Impedance Detection | Yes | ||
| DC Component Monitoring | Yes | ||
| Arc Fault Circuit Interrupter (AFCI) | Optional | ||
| Anti-islanding Protection | Yes | ||
| Residual Current Detection | Yes | ||
| Surge Protection Level | TYPE II(DC),TYPE II(AC) | ||
| DC Switch | Yes | ||
| Interface | |||
| Communication Interface | RS485/RS232 | ||
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) | ||
| General Data | |||
| Operating Temperature Range (°C) | -25 to +65℃, >45℃ Derating | ||
| Permissible Ambient Humidity | 0~100% | ||
| Permissible Altitude (m) | 2000m | ||
| Noise (dB) | ≤50 dB(A) | ||
| Ingress Protection(IP) Rating | IP 65 | ||
| Inverter Topology | Non-Isolated | ||
| Over Voltage Category | OVC II(DC),OVC III(AC) | ||
| Cabinet Size (WxHxD mm) | 330×572×206 (Excluding Connectors and Brackets) | ||
| Weight [kg] | 28.7 | ||
| Warranty [year] | 5 years | ||
| Type Of Cooling | Intelligent Air Cooling | ||
| Grid Regulation | NBR 16149, NBR 16150, EN 50549, RD 140 | ||
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | ||
| Seguridad EMC/Estándar | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | ||
