Deye solar kit 113.28kWp with 5.12kWh AC-coupled battery – SUN-100K-G03 100kW three-phase on-grid inverter113.28kWp commercial on-grid kit with Deye 100kW string inverter and a 5.12kWh AC-coupled battery

Overview

One hundred and ninety-two 590Wp modules (113.28kWp) with the Deye SUN-100K-G03, a 100kW three-phase string inverter with six MPPTs of four strings each, 150kW maximum PV input and 98.8% maximum efficiency. The kit adds a separate 5.12kWh AC-coupled plug-and-play battery, which connects on the AC side and does not use the inverter, since the G03 has no battery input. The storage is small compared with the plant, so treat it as a supplement.

• Deye SUN-100K-G03 string inverter, 100kW and 110kVA
• Six MPPTs with four strings each, 40A per MPPT
• Up to 150kW of PV input power
• 98.8% maximum and 98.2% European efficiency
• Zero export function; Type II DC and AC SPD
• CEI 0-21, EN 50549 and VDE-AR-N 4105 listed

What's in the kit

• 1 × Deye SUN-100K-G03
• 192 × 590Wp PV module
• 1 × SR5000 Pro AC-coupled plug-and-play battery, 5.12kWh

System overview

The kit combines a Deye SUN-100K-G03 three-phase string inverter with a field of 590Wp modules. With no battery and no backup function, every kilowatt-hour goes straight to the site's loads and the surplus is exported or capped. The inverter spreads the array over six MPPTs, each accepting four strings and 40A of operating current, so roof sections with different orientation or tilt can be handled without extra combiner hardware at the inverter.

Inverter data

The SUN-100K-G03 accepts up to 1000V DC with a 200–850V MPPT window and a 250V start-up voltage, and up to 150kW of PV input power. On the AC side it delivers 100kW, or 110kVA apparent, at 220/380V or 230/400V with 3L/N/PE connection. Deye quotes 98.8% maximum and 98.2% European efficiency. The enclosure is IP65 with intelligent air cooling, weighs 81kg and measures 824×516×312.7mm without connectors.

Protection and grid functions

Protections listed by Deye include DC reverse polarity, AC overcurrent, overvoltage and short circuit, thermal protection, insulation impedance and residual current detection, anti-islanding and an integrated DC switch, with Type II surge arresters on both DC and AC. Arc-fault protection, string-level monitoring and anti-PID are optional. The inverter supports zero-export operation, and Deye lists IEC 61727, IEC 62116, CEI 0-21, EN 50549 and VDE-AR-N 4105 among its grid regulations.

What the installer adds

Mounting structures, DC string cabling with any string protection required by the design, AC cabling, the main AC breaker and residual-current protection, the export meter where a zero-export limit is needed, and the connection request to the grid operator are outside the kit. Monitoring runs over RS485/RS232 or an optional WiFi or LAN logger. The datasheet states a standard warranty of 5 years.

Questions and answers