Descrição
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The DEYE SUN-16K-SG05LP3-EU-SM2 is a 16kW three-phase hybrid inverter designed for photovoltaic installations with low-voltage batteries. Its two 40–60V battery inputs and maximum charging/discharging current of 300A provide flexibility for energy storage systems intended for large homes, guesthouses, offices, workshops, and commercial premises.
The unit manages photovoltaic production, battery storage, the grid, and electrical loads. The AC coupling function allows integration into an existing photovoltaic installation, while diesel generator support provides an additional power supply and energy storage option. Six programmable charging and discharging periods allow operation to be adapted to the user’s consumption profile and energy management strategy.
With a maximum PV input power of 25.6kW, two MPPT trackers, and four strings in a 2+2 configuration, the model can manage two separate photovoltaic orientations or installation areas. The 100% unbalanced three-phase output allows each phase to supply up to 50% of the inverter’s rated power. In off-grid operation, the inverter can support a peak output of twice its rated power for 10 seconds.
Main features
- 16kW three-phase hybrid inverter
- Compatible with 40–60V lead-acid or lithium-ion batteries
- Two battery inputs
- Maximum charging and discharging current of 300A
- Two MPPT trackers with a 2+2 string configuration
- Six programmable battery charging/discharging periods
- AC coupling for integration into existing photovoltaic systems
- Up to 10 inverters connected in parallel for on-grid and off-grid operation
- Supports batteries connected in parallel
- Supports energy storage from a diesel generator
- 100% unbalanced output
- Wi-Fi, RS485, and CAN communication
- IP65 protection rating
Advantages
Suitable power for higher energy demand: The 16kW output can support large three-phase residential and commercial applications, within the limits of the system design.
Fast charging and discharging: A current of up to 300A enables efficient use of a properly sized battery system.
Efficient use of solar production: A PV input capacity of up to 25.6kW allows flexible DC sizing, provided that all electrical limits are observed.
Improved management of unevenly distributed loads: The unbalanced output function is better suited to situations where loads differ from one phase to another.
Programmable control: Six charging and discharging periods help optimise energy use.
Expandable system: Up to 10 units can operate in parallel, allowing the installation to be expanded at a later stage.
Recommended applications
- Large homes with a three-phase power supply
- Guesthouses, villas, and residential buildings
- Offices and commercial premises
- Workshops and small production facilities
- New installations with energy storage or upgrades to existing systems through AC coupling
- Systems with a generator backup power source
Technical specifications
| Specification |
Value |
| Model |
SUN-16K-SG05LP3-EU-SM2 |
| Type |
Three-phase hybrid inverter |
| Battery type |
Lead-acid or lithium-ion |
| Battery voltage range |
40–60V |
| Number of battery inputs |
2 |
| Maximum charging/discharging current |
300A |
| Lithium-ion charging strategy |
Automatic adaptation to the BMS |
| Maximum PV access power |
32,000W |
| Maximum PV input power |
25,600W |
| Maximum PV input voltage |
800V |
| Start-up voltage |
160V |
| MPPT voltage range |
160–650V |
| Rated PV input voltage |
550V |
| Maximum PV operating input current |
36+36A |
| Maximum PV short-circuit current |
54+54A |
| MPPT trackers / strings per MPPT |
2 / 2+2 |
| Rated AC active power |
16,000W |
| Maximum AC apparent power |
17,600VA |
| Rated AC input/output current |
24.3/23.2A |
| Maximum AC input/output current |
26.7/25.6A |
| Maximum continuous AC bypass current |
70A |
| Off-grid peak power |
2 × rated power for 10 seconds |
| Rated input/output voltage |
220/380V, 230/400V; 0.85Un–1.1Un; 3L+N+PE |
| Grid frequency/range |
50Hz / 45–55Hz; 60Hz / 55–65Hz |
| Power factor adjustment range |
0.8 leading to 0.8 lagging |
| THDi |
<3% of rated power |
| DC injection current |
<0.5% In |
| Maximum efficiency |
97.6% |
| European efficiency |
97.0% |
| MPPT efficiency |
>99% |
| Display |
LCD |
| Communication |
Wi-Fi, RS485, CAN |
| Operating temperature |
-40°C to +60°C; power derating above 45°C |
| Permissible humidity |
0–100% |
| Permissible altitude |
3,000m |
| Noise level |
<60dB |
| Protection rating |
IP65 |
| Topology |
Non-isolated on the solar side; isolated on the battery side |
| Overvoltage category |
OVC II (DC), OVC III (AC) |
| Enclosure dimensions (W × H × D) |
456 × 750 × 268.5mm, excluding connectors and mounting brackets |
| Weight |
51.9kg |
| Cooling |
Intelligent air cooling |
| Surge protection |
Type II (DC), Type II (AC) |
Compatibility and integration
The inverter supports lead-acid and lithium-ion batteries within the 40–60V range. For lithium-ion batteries, the charging strategy adapts to the BMS through compatible communication. Exact compatibility depends on the battery model, BMS protocol, and firmware version. We recommend checking compatibility before purchase.
The string configuration must be calculated to comply with the maximum voltage of 800V, the MPPT range of 160–650V, the current limits of each tracker, and the behaviour of the modules under the extreme temperatures expected at the installation site.
Protection and safety
The inverter includes DC reverse-polarity protection, AC output overcurrent protection, thermal protection, AC overvoltage protection, AC output short-circuit protection, DC component monitoring, AFCI, anti-islanding protection, a DC switch, insulation impedance detection, and residual current monitoring. Surge protection is Type II on the DC side and Type II on the AC side.
Standards declared by the manufacturer
Grid regulations: IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE-Richtlinie R25, G99, VDE-AR-N 4105
Safety and EMC: IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
System sizing, installation, and commissioning must be carried out by qualified personnel in accordance with DEYE documentation and applicable regulations.
