Deye Inverter On-Grid 20kW 2MPPT | SUN-20K-G05

The Deye SUN-20K-G05 is a high-performance three-phase on-grid solar inverter designed for commercial and industrial photovoltaic systems. It converts DC power generated by solar panels into stable AC electricity for grid-connected installations, delivering reliable operation, high efficiency, and optimized energy production.

Equipped with dual MPPT trackers and advanced power management technology, the inverter ensures maximum energy harvest from solar arrays under varying conditions. Its wide operating voltage range and support for high-power PV modules make it suitable for modern large-scale solar installations.

Core Electrical Characteristics

1. Nominal AC output power of 20 kW for three-phase grid-connected photovoltaic systems
2. High conversion efficiency with maximum efficiency up to 98.5%
3. Stable three-phase grid connection ensuring reliable energy delivery
4. Low total harmonic distortion (THD <3%) for clean power output
5. Wide output voltage compatibility with European grid standards

PV Input and MPPT Performance

1. Dual MPPT trackers for independent optimization of two PV strings
2. Wide MPPT voltage range from 200 V to 1000 V for flexible system design
3. Maximum PV input voltage up to 1100 V for long solar panel strings
4. High PV input current capability supporting modern high-power modules
5. Advanced MPPT tracking efficiency above 99% for maximum solar yield

Grid Integration and System Operation

1. Designed for grid-tied photovoltaic installations
2. Supports zero-export control and virtual synchronous generator (VSG) applications
3. Reliable synchronization with the utility grid
4. Wide output voltage and frequency operating range
5. Ideal for commercial rooftop and distributed solar energy systems

Monitoring, Communication, and Control

1. Integrated monitoring capability for real-time system performance tracking
2. Optional remote monitoring via WiFi, LAN, GPRS, Bluetooth, or 4G modules
3. Communication interfaces including RS485 and RS232
4. Supports intelligent string monitoring (optional)
5. Remote diagnostics, configuration, and firmware updates

Protection and Safety Features

1. DC reverse polarity protection
2. AC output overcurrent and overvoltage protection
3. AC short circuit protection
4. Residual current detection and insulation monitoring
5. Anti-islanding protection for grid safety
6. Type II surge protection on both DC and AC sides
7. Optional arc fault circuit interrupter (AFCI) protection

Design and Durability

1. Robust IP65-rated enclosure suitable for outdoor installations
2. Intelligent air cooling system for stable long-term operation
3. Operating temperature range from −25°C to +60°C
4. Low operating noise level below 50 dB
5. Designed for reliable performance in demanding environments