Features

100% unbalanced output, each phase
AC coupled to retrofit existing solar system
*Max. 10 pcs parallel for on-grid and off-grid
operation; Support multiple batteries parallel
Max. charging/discharging current of 50A
High voltage battery, higher efficiency
6 time periods for battery charging/discharging
Support storing energy from diesel generator

Specifications

Model: SUN-20K -SG01HP3-EU-AM2

Battery Input Data

Battery Type: Lithium-ion
Battery Voltage Range(V): 160-700
Max.Charging Current(A) :37
Max.Discharging Current(A): 37
Charging Strategy for Li-ion Battery: Self-adaption to BMS
Number of battery inputs: 1

PV String Input Data

Max DC Input Power（W: 26000
Max DC Input Voltage（V): 1000
Start-up Voltage（V): 180
MPPT Voltage Range（V): 150-850
Rated DC Input Voltage(V): 600
Max Input Short-Circuit Current（A): 39+39
Max Operating PV Input Current（A): 26+26
No.of MPP Trackers/No.of String Per MPP Tracker: 2/2+2

AC Input/Output Data

Rated AC Input/Output Active Power（W): 20000
Max AC Input/Output Apparent Power （VA): 22000
Peak Power (off-grid)（W） 1.5 times of rated power,10s
Rated AC Input/Output Current（A) 30.4/29
Max AC Input/Output Current（A): 33.4/31.9
Max. Three-phase Unbalanced Output Current（A): 35
Max Continuous AC Passthrough (grid to load)（A): 80
Rated Input/Output Voltage/Range(V): 220/380V，230/400V 0.85Un-1.1Un
Grid Connection Form: 3L+N+PE
Rated Input/Output Grid Frequency/Range: 50Hz/45Hz-55Hz  60Hz/55Hz-65Hz
Power Factor Adjustment Range: 0.8 leading-0.8 lagging
Total Current Harmonic Distortion THDi: <3% (of nominal power)
DC Injection Current: <0.5%ln

Efficiency

Max Efficiency: 97.6%
Euro Efficiency: 97.0%
MPPT Efficiency: ＞99%

Equipment Protection

DC Polarity Reverse Connection Protection: YES
AC Output Overcurrent Protection: YES
AC Output Overvoltage Protection: YES
AC Output Short Circuit Protection: YES
Thermal Protection: YES
DC Terminal Insulation Impedance Monitoring: YES
DC Component Monitoring: YES
Ground Fault Current Monitoring: YES
Power Network Monitoring: YES
Island Protection Monitoring: YES
Earth Fault Detection: YES
DC Input Switch: YES
Overvoltage Load Drop Protection: YES
Residual Current (RCD) Detection: YES
Surge Protection Level: TYPE II(DC),TYPE II(AC)

Interface

Communication Interface: WIFI, RS485， CAN

General Data

Operating Temperature Range: -40 to +60℃, >45℃ Derating
Permissible Ambient Humidity: 0-100%
Permissible Altitude: 2000m
Noise: ≤ 55 dB(A)
Ingress Protection(IP) Rating: IP 65
Inverter Topology: Non-Isolated
Over Voltage Category: OVC II(DC),OVC III(AC)
Cabinet size（W*H*D）[mm]: 408*638*237（Excluding connectors and brackets）
Weight[kg]: 30.5
Warranty: Standard 5 years, extended warranty
Type Of Cooling: Intelligent air cooling
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/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2