Deye Inverter Hybrid LV 20kW 2MPPT | SUN-20K-SG05LP3-EU-SM2

The Deye SUN-20K-SG05LP3-EU-SM2 is a powerful three-phase hybrid solar inverter designed for residential, commercial, and industrial energy storage systems. It combines solar generation, battery storage, and grid connectivity in one intelligent solution, allowing efficient energy management, backup capability, and maximum use of renewable energy.

With advanced hybrid inverter technology, dual MPPT trackers, and support for both lithium-ion and lead-acid batteries, this inverter ensures flexible system design and high performance. Its robust architecture supports parallel operation and AC coupling, making it ideal for both new photovoltaic installations and retrofitting existing solar systems.

Core Electrical Characteristics

1. Nominal AC output power of 20 kW for three-phase applications
2. Maximum efficiency up to 97.6% for optimized energy conversion
3. Stable grid interaction with low total harmonic distortion (<3%)
4. Three-phase output with support for unbalanced loads
5. Wide output voltage and frequency compatibility with European grid standards

PV Input and MPPT Performance

1. Dual MPPT trackers for independent optimization of two PV arrays
2. Wide MPPT voltage range of 160–650 V for flexible solar system design
3. Maximum PV input voltage up to 800 V
4. High PV input power capability supporting large solar arrays
5. MPPT tracking efficiency greater than 99% for improved solar yield

Hybrid Energy Storage Functionality

1. Compatible with both lithium-ion and lead-acid battery systems
2. 48 V low-voltage battery architecture with transformer isolation design
3. Maximum battery charge and discharge current up to 350 A
4. Intelligent battery management with adaptive BMS communication
5. Multiple time-of-use charging and discharging periods for optimized energy storage

Advanced System Integration

1. Supports AC coupling to retrofit existing photovoltaic systems
2. Parallel operation of up to 10 inverters for larger energy systems
3. Ability to store energy from diesel generators
4. 100% unbalanced output capability with up to 50% rated power per phase
5. Suitable for both on-grid and off-grid operation modes

Monitoring, Communication, and Control

1. Integrated smart monitoring platform for real-time system performance
2. Optional remote monitoring via WiFi, GPRS, Bluetooth, LAN, or 4G modules
3. Communication interfaces including RS485, RS232, and CAN
4. Remote diagnostics, configuration, and firmware updates
5. Advanced monitoring for solar production, battery status, and energy consumption

Protection and Safety Features

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

Design and Durability

1. IP65-rated enclosure suitable for outdoor installations
2. Intelligent air cooling system for efficient thermal management
3. Operating temperature range from −40°C to +60°C
4. Low operating noise level below 60 dB
5. Robust industrial design for long-term reliable operation