| http://www.w3.org/ns/prov#value | - signal is a periodic waveform generated by a pulse-width modulation technique; outputting a drive waveform at each half-bridge to drive each phase, wherein said drive waveform is displaced in time by a phase angle that is equal to a physical angle of a winding in a stator; synthesizing an alternating current having n phases, wherein said current is derived using pulse width modulation having a fi
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