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Utilities often provide power supply via standard 1-phase low-voltage AC feeders, at least in the range up to several kVA. In rural areas and developing countries, even MV 1-phase distribution grids are sometimes used. Nevertheless, 3-phase load appliances are often preferable: in such case, apparatuses able to effectively convert 1-phase feeders into standard 3-phase supplies are then required. After...
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