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Lookup NU author(s): Dr Mohamed Dahidah
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This paper discusses optimal selective harmonic elimination (SHE) pulse-width modulation (PWM) patterns derived from a pre-calculated 9-level waveform. The patterns are suitable for a high-voltage direct-current (HVDC) power transmission system based on eight conventional three-phase voltage-source converter (VSC) modules. The switching frequency of each module is maintained very low and is used as a measure to derive the optimal patterns. Both the switching losses of each module and of the overall HVDC system are kept to a minimum level. The theoretical findings are verified through simulation studies using PSCAD/EMTDC and results are presented in the paper to confirm the effectiveness of the proposed approach.
Author(s): Flourentzou N, Dahidah MSA, Agelidis VG
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Australasian Universities Power Engineering Conference (AUPEC '08)
Year of Conference: 2008
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