A new direct power control strategy for grid connected voltage source converters

Zhi, Dawei and Xu, Lie and Williams, Barry and Yao, Liangzhong and Bazargan, Masoud; (2008) A new direct power control strategy for grid connected voltage source converters. In: International Conference on Electrical Machines and Systems, 2008. ICEMS 2008. IEEE, CHN, 1157 - 1162. ISBN 978-1-4244-3826-6

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Abstract

This paper presents a new predictive direct power control (DPC) strategy for three-phase grid connected voltage source converters with constant switching frequency. Source and converter flux are introduced to develop the power flow model of such system. Based on the predictive power model, the output converter voltage vector in each PWM period can be calculated directly. The detailed power variations are examined under different voltage vector sequences. Constant switching frequency and excellent dynamic performance are achieved. Both simulation and experimental results are provided to demonstrate the effectiveness and robustness of the proposed control strategy.

ORCID iDs

Zhi, Dawei, Xu, Lie ORCID logoORCID: https://orcid.org/0000-0001-5633-7866, Williams, Barry, Yao, Liangzhong and Bazargan, Masoud;
CORE (COnnecting REpositories)