Goodwe GW15K-SDT-20 Three-Phase Inverter 15kW 2 MPPT

Product Description

The Goodwe GW15K-SDT-20 15kW 3-Phase Inverter 2 MPPT is the top model of the SDT-20 series for three-phase self-consumption. It incorporates 2 MPPT with two strings per tracker and up to 30 A per MPPT to work with high-current modules (182/210 mm and bifacial). With 98.4% efficiency, IP65 enclosure, and active ventilation, it offers higher annual energy yield, flexible installation, and reliable operation in high-demand homes and small C&I.

Main Features

• Nominal power 15 kW with maximum active power ~16.5 kW (110%).
• 2 independent MPPT, 2 strings per MPPT (4 total strings).
• MPPT window 140–950 Vdc; max. input voltage 1100 Vdc.
• Current per MPPT up to 30 A (max. Isc 37.5 A).
• Max. efficiency 98.4%; European efficiency ~97.8%.
• IP65 rating, −30…+60 °C and intelligent forced ventilation.

Advantages or Benefits

• Higher production with 2 strings/MPPT and DC oversizing up to 200%.
• Simple installation and maintenance: integrated DC switch and front access.
• Advanced safety: RCMU, insulation test, SPD (Type III; T2 optional) and AFCI option.
• Monitoring and control: RS-485 (Modbus-RTU), optional Wi-Fi/LAN/4G, and SEMS portal; ready for zero export with three-phase meter.

Purpose or Applications

Recommended for high-consumption three-phase residences, small businesses, light industrial buildings, and projects with two panel zones (East/West or different inclinations) that require export limitation to the grid.

Technical Specifications

Compatibilities

Compatible with mono/bifacial TOPCon/HJT panels (≤1100 Vdc and ≤30 A/MPPT), three-phase meter for zero export, and DC/AC protection boards with type II SPD and disconnection according to Iac.

Goodwe GW15K-SDT-20 15kW 3-Phase Inverter 2 MPPT is a professional solution to maximize energy, ensure reliability, and control self-consumption in demanding three-phase installations.