GoodWe ET PLUS+ GW5K-ET 5 kW Three-Phase Hybrid Solar Inverter

The GoodWe ET PLUS+ 5 kW (GW5K-ET) is a high-voltage (HV) three-phase hybrid inverter with 2 MPPT, designed to maximize self-consumption and provide UPS-type backup (<10 ms) for critical loads. Its power electronics deliver high efficiency, a wide MPPT range, and 100% unbalanced output to adapt to real consumption in homes and small businesses.

Key Features

• 2× MPPT architecture (1 string/MPPT) for dual orientations.
• HV battery 180–600 V; 25 A continuous charge/discharge.
• Max PV power 7.5 kW; max DC voltage 1000 V.
• UPS <10 ms and 100% unbalanced output.
• IP66, fanless (natural convection), and low noise.
• SPD DC Type II and SPD AC Type III; integrated protections.

Main Electrical Data

• Nominal AC power (grid): 5 kW (5 kVA).
• Max apparent power to grid: 5.5 kVA (according to local standards).
• Nominal backup: 5 kVA; off-grid peak: 10 kVA @ 60 s.
• Grid voltage: 400/380 V, 3L/N/PE; 50/60 Hz.
• Max AC current to grid: 8.5 A; THD <3%; PF adjustable 0.8–1.
• MPPT range: 200–850 V; start-up: 180 V; Max Vdc: 1000 V.
• Current per MPPT: 12.5 A (Isc max 15.2 A).
• Max efficiency: 98.0%; European: 97.2%; battery→AC: 97.5%.

Communications and Monitoring

• With BMS: CAN / RS485; with meter: RS485.
• With portal/app: Integrated Wi-Fi; LED interface + App.
• Integration with SCADA/EMS via Modbus (advanced projects).

Installation and O&M

• Wall-mounted, integrated DC switch, and clear wiring.
• Natural convection: less maintenance and no filters.
• Remote diagnostics and updates via the GoodWe portal.

Dimensions and Weight

• Dimensions (W × H × D): 415 × 516 × 180 mm
• Weight: 24 kg
• Protection rating: IP66; −35 to +60 °C; <4000 m

Recommended Applications

• Three-phase homes with self-consumption and backup for critical loads.
• Small businesses with variable load profiles per phase.

Note for installers: Set the power factor, export limit, and backup/time-of-use modes according to local regulations and self-consumption strategy. Check compatibility and firmware of the selected HV battery bank.