Research on a hybrid optical storage control strategy based on a DC virtual synchronous generator and MPC

Xiaoge Chen

doi:10.30574/gjeta.2023.16.1.0124

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Research on a hybrid optical storage control strategy based on a DC virtual synchronous generator and MPC

Xiaoge Chen ^*

School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing, Jiangsu, China.

Research Article

Global Journal of Engineering and Technology Advances, 2023, 16(01), 042–049.

Article DOI: 10.30574/gjeta.2023.16.1.0124

DOI url: https://doi.org/10.30574/gjeta.2023.16.1.0124

Publication history

Received on 23 May 2023; revised on 04 July 2023; accepted on 06 July 2023

Abstract

There are many problems in optical storage systems, including fault ride-through and disturbance, inadequate DC bus voltage support, and high state variable overshoot. The main problem is caused by the slow dynamic reaction speed of the energy storage system based on traditional PI control to the DC voltage of the optical storage system. A hybrid optical storage system control optimization strategy based on a DC virtual synchronous machines and improved model predictive control (MPC) was proposed in the paper as a solution to the aforementioned issues. A strategy based on DC virtual synchronous generator can improve the damping braces and overshoot suppression of DC voltage fluctuation during the disruption process of the energy storage system in the optical storage system. The dynamic response speed of energy storage in optical storage systems may be further increased based on the improved MPC. The effectiveness and validity of the control strategy proposed in the paper were verified by the simulation examples.

Keywords

Optical storage system; DC virtual synchronous machine; Improved model predictive control; Hybrid energy storage; Fault ride-through

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How to cite this article

Xiaoge Chen. Research on a hybrid optical storage control strategy based on a DC virtual synchronous generator and MPC. Global Journal of Engineering and Technology Advances, 2023, 16(1), 042-049. Article DOI: https://doi.org/10.30574/gjeta.2023.16.1.0124

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