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An Alternative Current-Error Based Control for VSC Integration to Weak Grid

Givaki, Kamyab; Chen, Dong; Xu, Lie; Xu, Yan

Authors

Kamyab Givaki

Dong Chen

Lie Xu

Yan Xu



Abstract

An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The
control derives from the current-error based vector control. By implementing simple close-loop compensations of both angle and magnitude inputs to the pulse width modulation, the damping of vector control in the weak grid can be significantly improved hence able to deliver full rated power to very weak grid. Due to the presence of the current loop, the fault-ride-through capability can be maintained with no need for mode switching. A comprehensive frequency domain model is employed to analyze the stability. Time domain simulations are further carried out to validate its effectiveness and robustness of integrating to the weak grid with fault-ride-through capability.

Citation

Givaki, K., Chen, D., Xu, L., & Xu, Y. (2018). An Alternative Current-Error Based Control for VSC Integration to Weak Grid. In IEEE PES General Meeting 2018. https://doi.org/10.1109/PESGM.2018.8586145

Conference Name 2018 IEEE PES General Meeting
Conference Location Portland, OR, USA
Start Date Aug 5, 2018
End Date Aug 10, 2018
Acceptance Date Feb 8, 2018
Online Publication Date Dec 24, 2018
Publication Date 2018
Deposit Date Jul 30, 2018
Publicly Available Date Mar 29, 2024
Publisher Institute of Electrical and Electronics Engineers
Series ISSN 1944-9933
Book Title IEEE PES General Meeting 2018
ISBN 978-1-5386-7703-2
DOI https://doi.org/10.1109/PESGM.2018.8586145
Keywords Current Control, Stability, Fault-ride-through, Voltage Source Converter, Weak Grid,
Public URL http://researchrepository.napier.ac.uk/Output/1139451

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