Backstepping Control for Large Signal Stability of High Boost Ratio Interleaved Converter Interfaced DC Microgrids With Constant Power Loads

Xu, Qianwen,1992-School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore,Power system dynamics, operation and control (författare)

QC 20210419
With the penetration of renewable generation and tightly regulated power electronic loads, the power quality and stability of modern dc microgrids are greatly challenged. To solve this problem, energy storage systems (ESSs) are widely proposed. Unfortunately, most of the existing control methods for ESSs can only ensure the stability of dc microgrids with small signal disturbances, which may not be satisfying for real-time applications where large signal disturbances exist. Moreover, they are usually designed for low boost ratio and low power converters, negating their suitability for grid-scale applications. To ensure the large signal stability of dc microgrids using high boost ratio interleaved converter interfaced ESSs, this article proposes a new backstepping control strategy with finite-time disturbance observers. Its effectiveness is verified by simulation and experiments carried out on an interleaved double dual boost converter.

Jiang, W. (författare)
Blaabjerg, F. (författare)
Zhang, C. (författare)
Zhang, X. (författare)
Fernando, T. (författare)
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, SingaporePower system dynamics, operation and control (creator_code:org_t)

Ingår i:IEEE transactions on power electronics: Institute of Electrical and Electronics Engineers (IEEE)35:5, s. 5397-54070885-89931941-0107

Av författaren/redakt...: Xu, Qianwen, 199 ...; Jiang, W.; Blaabjerg, F.; Zhang, C.; Zhang, X.; Fernando, T.

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