High-performance grid simulator using parallel structure fractional repetitive control

Liu, T., Wang, D. and Zhou, K. (2016) High-performance grid simulator using parallel structure fractional repetitive control. IEEE Transactions on Power Electronics, 31(3), pp. 2669-2679. (doi: 10.1109/TPEL.2015.2441732)

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In this paper, a high-performance grid simulator based on parallel structure fractional repetitive control scheme is employed to emulate various operation scenarios of power grids for testing power products. In this paper, a simple fractional repetitive control scheme is proposed for grid simulators to achieve high-accuracy tracking performance. Using parallel branches, the proposed repetitive controller can flexibly select the interested harmonics for compensation, and independently tune the convergency rate at selective harmonic frequencies. Compared with conventional repetitive control, the proposed control scheme achieves faster transient response. Moreover, the number of delay units required in the proposed repetitive controller is reduced to at least half of that in conventional repetitive controller. Design process and stability criteria are presented in details. A set of experimental results is provided to verify the effectiveness of the proposed approach.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang
Authors: Liu, T., Wang, D., and Zhou, K.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Research Group:Systems, Power and Energy
Journal Name:IEEE Transactions on Power Electronics
ISSN (Online):1558-0679

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