m. Сміла, Незалежності, 67г. оф, 406/6
GoodWe GW50K-SDT-C30 - three-phase grid-tied inverter 50 kW.
Description GoodWe GW50K-SDT-C30
GoodWe GW50K-SDT-C30 is a three-phase grid-tied inverter rated at 50 kW with two MPPT inputs, a maximum input voltage of 1100 V and intelligent cooling. Efficiency 98.5%, nominal output current 72.2 A per phase. 5-year warranty.
Fifty kilowatts: a facility's own generating station without a battery
At this level the conversation is no longer about saving on bills but about a full enterprise energy project. Typical buyers are processing workshops, logistics complexes, industrial-scale greenhouse operations.
Without a battery, the entire system budget goes into generating capacity. Payback here is the shortest among all configuration options — every hryvnia invested turns into a kilowatt of output rather than being split between panels and storage.
Selling surplus to the grid at this level almost always becomes part of the project's economics: on a sunny summer day, generation exceeds the daytime consumption of practically any site this size.
Technical specifications
rated power 50 kW, apparent power 50000 VA, three phases 380/400 V;
two MPPT inputs, tracking efficiency above 99%;
MPP range 140–1000 V, maximum input voltage 1100 V;
efficiency 98.5% peak, 98.2% European weighted;
output current 72.2 A nominal, 79.4 A maximum;
IP65, intelligent cooling, up to 4000 m, -25 to +60 °C;
mass 33 kg, dimensions 484 × 646 × 230 mm, 5-year warranty.
Long strings for a large array
A maximum input voltage of 1100 volts allows long series strings of panels to be formed even for an array of several hundred square metres. A longer string means lower operating current at the same power — thinner, cheaper cable across the entire run from roof to inverter.
In winter this voltage headroom is especially valuable: cold weather raises the panels' open-circuit voltage, and without sufficient margin there is a risk of exceeding the inverter's limit on a frosty, sunny morning, precisely when panel efficiency is highest.
Parallel operation and redundancy
For sites needing more than fifty kilowatts, units in this series connect in parallel with automatic load distribution. This delivers not only scaled capacity but redundancy: if one inverter fails or needs servicing, the rest keep working.
For a site developing in stages, this also opens the option of buying a second unit later as production grows, without dismantling the equipment already installed.
Monitoring and protection class
The standard SEMS Portal app shows generation from each MPPT input separately, history over any period and current efficiency. Modbus TCP and RTU are available for integration with commercial metering systems.
Intelligent cooling switches the fan on only when real thermal demand requires it, not continuously — extending the life of the moving part in a unit built for decades of continuous industrial operation.
Fifty kilowatts of grid-tied generation is the level of a facility's own generating station. Write to us about your site and plans for selling surplus to the grid: we will prepare a full technical configuration calculation.
Characteristics GoodWe GW50K-SDT-C30
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