Sizing guides, selection checklists and troubleshooting notes from our drive engineers — solar pumping, VFDs, elevators and crane control.
Crane & Lifting Drives
A hotel elevator modernization project requires more than replacing an old drive with another unit of the same power rating. The engineer must verify motor compatibility, encoder feedback,…
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Solar Pump Systems
Solar Pump Inverters for Botswana: Borehole Water for Cattle Posts and Irrigation In much of Botswana, the water point is a borehole, and the borehole is often far…
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Solar Energy Systems
Coastal Solar Pump Inverters in Mozambique: Salt Spray, IP65, and Installation A coastal farm in Mozambique asks more of a solar pump inverter than an inland one. The…
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Solar Pump Systems
Large water-transfer systems require careful coordination between pump power, motor current, hydraulic duty and the solar array. A 55kW solar pump inverter may be considered for a compatible…
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Industrial VFD Applications
A packaging-line VFD must be selected according to the electrical and mechanical requirements of the driven machine. Motor power is an important starting point, but rated current, starting…
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Solar Energy Systems
A citrus farm using a 30kW irrigation pump can evaluate solar pumping to support daytime water delivery. The main design challenge is ensuring that the pump, solar array…
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Solar Pump Systems
A hospital water supply system needs a reliable overall design rather than relying on a single inverter. Solar pumping can contribute to filling a storage tank, but the…
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Solar Energy Systems
High-altitude installations require additional attention to inverter cooling and electrical operating limits. A 15kW motor does not automatically mean that a nominally rated 15kW inverter will be suitable…
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Solar Pump Systems
For a rural water supply project, solar pumping can be used during suitable daylight hours while an AC supply is considered for additional operating periods. However, hybrid operation…
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Solar Pump Systems
A 5.5 kW IP65 Solar Pump Inverter for a Tanzanian Livestock Farm A livestock farm’s water system has one unforgiving property: the animals drink every day, including the…
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