Scientists in India have tested a new inverter topology with a single-phase, induction-motor water pump. The seven-level inverter, with five power semiconductor switches, is said to be particularly ...

Canadian manufacturer Sparq has unveiled a three-phase microinverter for on-grid and off-grid solar water pumps. It has a peak efficiency of 97.5% and a nominal maximum power point tracking (MPPT) ...

There’s no shortage of advice on how to size a home solar system, but most of it assumes a suburban house with city water and a long list of optional loads. Rural homes play by different rules, and ...