On-Grid Inverter Deye Three-phase SUN-50K-G03, 50kW

This is a grid-connected inverter for industrial and agricultural buildings: it converts the current produced by a large field of panels into the current used by the hall, and what is not consumed on the spot goes into the grid. It has no battery, so it does not keep the installation running during a power cut, but it does very well what it must: it converts the energy with very small losses and distributes it into the building's installation. It has four independent inputs for panels, that is the roof can be split into four zones that work separately from one another.

The 50 kW of rated power, with 55 kW of maximum power, support the daytime consumption of a hall or of a farm, and up to 65 kW of panels fit on the roof. The split into four zones is useful when the roof has different slopes, modules of different types or areas shaded at certain hours: a weak zone no longer drags down the whole system. Each zone accepts up to three strings and a current of 40 A, which leaves room for high-power modules. Production starts from 250 V on the panel side, so the installation begins to work early in the morning. The device measures 537 x 647.5 x 303.5 mm and 44.5 kg, with an IP65 enclosure resistant to dust and water and intelligently controlled cooling; production is followed from a phone or computer through the Deye Cloud platform, over WiFi or through a network cable. Maintenance involves periodically cleaning the cooling areas and checking the DC connections.

Rated AC power 50 kW, maximum power 55 kW, output 220/380 V or 230/400 V at 50/60 Hz, rated AC current 75.8 A / 72.5 A and maximum current 83.3 A / 79.7 A. PV input: maximum power 65 kW, maximum input voltage 1000 V, nominal voltage 600 V, start-up from 250 V, MPPT range 200-850 V, 4 trackers with 3 strings each, 40 A maximum input current on each MPPT and 60 A short-circuit current per MPPT. Maximum efficiency 98.7%, European efficiency 98%, MPPT tracking efficiency over 99%, IP65, 537 x 647.5 x 303.5 mm, 44.5 kg, operating temperature -25...+65 degrees C, RS485, RS232, WiFi and LAN communication with monitoring through Deye Cloud, standard warranty 5 years.

Who it suits

Suitable for a hall, a warehouse, a farm or a greenhouse with a 50-65 kWp installation without a battery, especially when the roof has several slopes, orientations or shaded zones.

Terms explained

• String of panels: A group of panels connected one after the other, as in a chain; all the panels in a string work together, which is why panels with the same orientation are put on the same string.
• European efficiency: A weighted average of the efficiency in real conditions, with many hours of weak sun, closer to reality than the maximum value measured in the laboratory.
• Deye Cloud: The manufacturer's online platform through which you can see from a phone or computer how much the installation produces and whether any warnings have appeared.

Technical specifications

Recommended applications

• Industrial halls and warehouses with 50-65 kWp
• Farms, greenhouses and processing stations
• Commercial photovoltaic parks built from 50 kW blocks
• Complex roofs, split into 4 independent zones (4 MPPT)

Warranty

5 years

Technical details

Specifications confirmed from the manufacturer's datasheet

Deye SUN-50K-G03 is a three-phase grid-connected string inverter, with a rated AC power of 50 kW and a maximum power of 55 kW, intended for commercial and industrial installations. The photovoltaic side accepts up to 65 kW of PV power, a maximum input voltage of 1000 V, a nominal voltage of 600 V and starts from 250 V, with MPPT tracking in the 200-850 V range.

The inverter has 4 MPPT trackers with 3 strings each, a maximum input current of 40 A on each MPPT and a maximum short-circuit current of 60 A per MPPT. This structure allows the roof to be split into four independent zones, with different orientations or module types.

The AC output is 220/380 V or 230/400 V at 50/60 Hz, with a rated current of 75.8 A / 72.5 A and a maximum current of 83.3 A / 79.7 A. The maximum efficiency is 98.7%, the European efficiency 98%, and the MPPT tracking efficiency exceeds 99%.

The enclosure has IP65 protection, dimensions of 537 x 647.5 x 303.5 mm and a mass of 44.5 kg, with intelligent cooling. The operating range is -25...+65 degrees C. Communication is through RS485, RS232, WiFi and LAN, with monitoring through Deye Cloud, and the standard product warranty is 5 years.