Control of Large Salient-Pole Synchronous Machines Using Synchronous Optimal Pulsewidth Modulation


High-power grinding mills are used in the cement and mining industries to crush clinker or copper ore and grind these materials to fine powder. The multimegawatt speed-controlled mill drives operate at a very low angular speed. Synchronous motors with a high number of pole pairs are used as the prime movers. They are traditionally fed by load-commutated… (More)
DOI: 10.1109/TIE.2014.2378732


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