Deye SUN Series: Single Phase Off-Grid Inverters

Introduction

The SUN Series is a versatile line of hybrid inverters designed for off-grid and hybrid solar systems. These inverters are ideal for residential users, small businesses, and remote installations requiring energy independence. They support retrofitting existing solar systems via AC coupling and offer seamless integration with diesel generators, batteries, and PV arrays.

Key Features

• High Efficiency: Up to 97.6% efficiency ensures minimal energy loss.
• Battery Flexibility: Compatible with lead-acid and lithium-ion batteries (40–60V range).
• Scalability: Up to 16 inverters in parallel for expanded power needs.
• Robust Protection: IP65 rating for dust/water resistance; protections include overcurrent, short-circuit, and arc fault detection.
• Diesel Generator Support: Stores excess energy from generators during low solar production.
• Smart LCD Interface: Colorful touchscreen for real-time monitoring and configuration.

Models & Specifications

Technical Highlights

• PV Input: MPPT voltage range of 150–425V, startup voltage at 125V.
• Battery Charging: Max. 135A charging/discharging current for rapid energy transfer.
• Grid Interaction: Supports on-grid and off-grid modes with THDI <3%.
• Warranty: 5–10 years, depending on installation conditions.

Pros

• Retrofit-Friendly: AC coupling simplifies integration with existing solar systems.
• High Surge Capacity: 2x rated power for 10 seconds to handle motor startups.
• Wide Operating Range: Functions in -40°C to +60°C environments.

Cons

• Complex Wiring: Parallel configurations require professional installation.
• Limited Phase Options: Only single-phase models available.

Conclusion
The SUN Series is a robust choice for users prioritizing energy independence and system scalability. Its hybrid functionality and generator compatibility make it ideal for off-grid homes or areas with unstable grids.