Design and real-time implementation of data-driven adaptive wide-area damping controller for back-to-back VSC-HVDC

Zeng, Lingkang, Yao, Wei, Zeng, Qi, Li, Dahu, Fang, Jiakun, Ai, Xiaomeng, Wen, Jinyu and He, Haibo (2019) Design and real-time implementation of data-driven adaptive wide-area damping controller for back-to-back VSC-HVDC. INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS, 109. pp. 558-574.

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Official URL: http://dx.doi.org/10.1016/j.ijepes.2019.02.024

Abstract

This paper proposes a data-driven adaptive wide-area damping controller (D-WADC) for back-to-back VSC-HVDC to suppress the low frequency oscillation in a large-scale interconnected power system. The proposed D-WADC adopts a dual-loop control structure to make full use of the active and reactive power control of VSC-HVDC to improve the damping of the power system. A data-driven algorithm named the goal representation heuristic dynamic programming is employed to design the proposed D-WADC, which means the design procedure only requires the input and output data rather than the mathematic model of the concerned power system. Thus, the D-WADC can adapt to the change of operating condition through online weight modification. Besides, the adaptive delay compensator (ADC) is added to effectively compensate the stochastic delay involved in the wide-area feedback signal. Case studies are conducted based on the simplified model of a practical power system and the 16-machine system with a back-to-back VSC-HVDC. Both the simulation and hardware-in-loop experiment results verify that the proposed D-WADC can effectively suppress the low-frequency oscillation under a wide range of operating conditions, disturbances, and stochastic communication delays.

Item Type:	Article
Uncontrolled Keywords:	Wide-area damping controller, VSC-HVDC, Goal representation heuristic dynamic programming (GrHDP), Adaptive delay compensation, Low frequency oscillation
Depositing User:	Symplectic Admin
Date Deposited:	04 Jun 2019 07:32
Last Modified:	19 Jan 2023 00:41
DOI:	10.1016/j.ijepes.2019.02.024
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3044239