Zhidong Wang
Han Xiaonan
*The final, formatted version of the article will be published soon.
ORIGINAL RESEARCH article
Front. Energy Res.
Sec. Smart Grids
Volume 12 - 2024 |
doi: 10.3389/fenrg.2024.1425169
This article is part of the Research Topic Distributed Learning, Optimization, and Control Methods for Future Power Grids, Volume II View all 10 articles
The Design of Model Predictive Control Strategy and Performance Analysis for Pumped Storage Units and Super Capacitors in Power Systems
Provisionally accepted- State Grid Economic and Technological Research Institute Co., Ltd, Beijing, China
The super capacitors were regarded one of the most effective frequency regulation technology in power systems. The major issue of applying super capacitors for frequency regulation is the limited energy capacity and the large construction costs. The pumped storage units have been developed and applied in power systems for decades while it was rarely operated to regulate the system frequency due to the operation limitations. The pumped storage units could be operated as a hydro generator under the generation mode and provide effective frequency regulation service with the conventional automatic generation control (AGC) system while its output power was constant under the pumping mode. In this paper, the pumped storage unit was controlled to participate in frequency regulation under the generation mode with super capacitors. Considering the AGC system could not consider the state of charging (SOC) of super capacitors for frequency regulation, an optimization model was proposed to determine the operation points for super capacitors and pumped storage units under a model predictive control (MPC) strategy to regulate the system frequency for power systems. Based on the various operation scenarios, the effectiveness and costs of pumped storage units and super capacitors to provide frequency regulation services were discussed. It was indicated that the pumped storage units and super capacitors were effective technologies for power systems.
Keywords: Frequency regulation 1, model predictive control 2, pumped storage units 3, super capacitors4, lternative coefficient 5
Received: 29 Apr 2024; Accepted: 31 Jul 2024.
Copyright: © 2024 Wang, Xiaonan and Wang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Han Xiaonan, State Grid Economic and Technological Research Institute Co., Ltd, Beijing, China
Ying Wang, State Grid Economic and Technological Research Institute Co., Ltd, Beijing, China
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.