An agricultural contractor's workshop typically has a MIG welder, a plasma cutter, an air compressor for tools and tyres, a bench grinder, drill press, a vehicle hoist or crane, a parts washer, and plenty of lighting for working on machines at night. The office alongside has phones, computers and a radio base for the crews out in the paddocks. When the power drops in the middle of a breakdown, the repair stops, the machine sits, and the work queue slips.
The hybrid inverter switches over instantly with a LiFePO4 battery to absorb welder and compressor surges. The fuel cell then supplies the steady load from hydrogen made on off-peak power overnight and stored at 30 bar or less. Since the store keeps for weeks, it is full during the busy season whenever an outage strikes.
How it works →
A MIG welder, compressor, grinder and lights fit within 15 kW continuous for most small and medium workshops, as long as the biggest tools are not all running at full tilt together. Large three-phase welders, big compressors and heavy hoists may need careful scheduling or a larger or multi-unit setup sized in the pilot. Round-trip efficiency is 30% or less, so this is for keeping repairs moving in an outage, not cheaper welding every day.
It depends on the welder and what else runs. The system supplies 15 kW continuous through a hybrid inverter. Heavy three-phase gear would need checking in the pilot, and may need a larger setup.
The LiFePO4 battery and inverter are designed to handle motor start surges. A large compressor starting at the same moment as a welder strike is the kind of combination the pilot would test.
Yes. Radio bases, chargers and office gear are small loads. Keeping communications up through an outage is one of the most useful things it does for a contractor with crews in the field.
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