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AssigneeSiemens Gamesa Renewable Energy A/S
InventorsPaul Godridge, Yashan Hu, Arwyn Thomas, Zhan-Yuan Wu
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Provided is a method of controlling a multi-channel multi-phase electrical machine including a plurality of channels each with a set of phase windings connected to a converter, which method includes the steps of operating the converters to electrically phase-shift the channels; computing harmonic injection currents for a dominant harmonic on the basis of electrical quantities in a rotating reference frame; determining harmonic voltage references for the dominant harmonic on the basis of the harmonic injection currents; and regulating the AC output voltages of the channels according to the fundamental voltage references and the harmonic voltage references. Also provided is a control arrangement of a multi-channel multi-phase electrical machine; a wind turbine; and a computer program product.
A method of controlling a multi-channel multi-phase electrical machine comprising a plurality of channels with a set of phase windings connected to a converter, the method comprising:
A control arrangement of a multi-channel multi-phase electrical machine, comprising:
Dependencies are inferred from the claim text.