Deye SUN 18-25K Inverter

Power Your Business with Intelligent Three-Phase Technology

The solar industry's demands go far beyond just converting energy; they require many elements such as intelligent control systems, durable construction, and complete reliability. The development of the Deye SUN 18-25K Inverter marks another milestone in evolving the design of three-phase string inverters to meet the needs of these different types of businesses, in the agriculture sector, and in large multifamily housing across Europe and the world.

This product does not just operate as an inverter but rather it is essentially an entire energy management solution that will change the way that a business generates power, the way it uses power, and the relationship it has with its local utility. The Deye SUN 18-25K Inverter is available to produce an output ranging from 18kW to 25kW, providing the ability for various project sizes, and retaining the same high-quality engineering standards that all Deye products have become known for.

 

Intelligent Grid Interaction and Energy Independence

In modern energy management, advanced communication systems are needed to support the integration of widely distributed renewable energy sources, which are increasingly being added to electric grids around the world. The Deye G05 Series inverter products incorporate Virtual Synchronous Generator (VSG) technology into the product design. As a result, the inverter can mimic the behavior of large rotating machinery to assist in stabilising the electricity supply. The Zero Export capability is essential for applications where there is a limit to how much energy can be exported to the electric utility. The inverter can be programmed to ensure that there is no reverse flow of energy to the grid, and to maximise on-site energy consumption. This is particularly important for businesses that operate under strict regulations.

Advanced Power Harvesting Capabilities

Central to the G05 Series products is advanced Maximum Power Point Tracking (MPPT). With two MPPTs and a large input voltage range (wide), the product is designed to continuously optimise the amount of power extracted from solar panels regardless of factors such as partial shading or the panel orientation. The G05 products can accept multiple strings of panels connected to each MPPT; this provides additional flexibility in the installation, reduces the cost of the balance of systems, and makes complex installations (for example, multiple roofs) much easier to complete. The result is that there is industry leading conversion efficiency for these products; therefore, every kilowatt hour of solar energy produced can be converted to its maximum value.

Comprehensive Safety Architecture

Protection extends beyond basic circuit safeguarding. The G05 series incorporates multiple layers of safety monitoring:

Arc Fault Circuit Interrupter (AFCI) available as an option, providing early detection and mitigation of dangerous DC arcs that could lead to fire hazards.

Insulation impedance monitoring continuously verifying system integrity.

Residual current detection protecting against ground fault risks.

Type II surge protection on both DC and AC sides, shielding sensitive electronics from lightning-induced transients and grid disturbances.

Industrial-Grade Enclosure Design

The G05 series products have been selected because of their superior mechanical properties of strength, resistance to corrosion, and thermal conductivity, using an expertly engineered aluminum alloy chassis. They were independently tested for ingress protection rating IP65, which means they are completely protected from dust and can resist water pressure from any direction. This protection rating makes the G05 Series products installable in many different places. Unlike street units with less protection, which require indoor installation or significant weather protection, the G05 Series can be installed with confidence in all outdoor locations, such as on side of buildings, in open agricultural areas, or in outdoor areas exposed to coastal saltwater or other materials that degrade less durable products.

Intelligent Thermal Management System

Heat is one of the most significant enemies to electronics longevity. To address this issue, Deye engineers developed a sophisticated intelligent air cooling system. The cooling system is designed to automatically adjust its performance according to the equipment's operating conditions and draw ambient air across the critical components to maintain proper operating temperatures, even during peak production periods and high ambient environments. The cooling system will function well within specified sound limits, below 50 dB(A) sound intensity (noise), so that inverters can be installed in noise-sensitive areas, such as schools, health facilities and commercial buildings located near residential areas.

Environmental Resilience

The G05 series demonstrates its commercial pedigree via exceptional environmental tolerances.

Operating range: 25°C to +60°C with smart derating protection above 45°C to ensure continued operation in the most extreme conditions.

Humidity tolerance: 0-100% allowable ambient humidity ensures no condensation or wet installations occur.

Altitude capability: 4000 meters for full functionality, which supports installations at both sea level along coastal areas and at high elevations in mountain installations.

 

The Deye SUN 18-25K Inverter is the evolution of strong power electronics, smart management of the electrical grid, and smart design for easy installation. And for commercial and industrial solar applications needing dependable 3-phase performance, the G05 series will provide both the technical ability and confidence you require for a successful project.

From the IP65 rated enclosure to the complex monitoring ecosystem, every feature in the G05 series has been designed based on the true world needs of commercial solar installations. This means you are able to use equipment today and still benefit from it years from now after many years of service.

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