Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2025 , Vol. 59 >Issue 10: 1407 - 1418

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2024.334

New Type Power System and the Integrated Energy

Optimization Configuration of Battery Storage Coordinated with Differentiated Frequency Regulation Strategy of Wind, Solar, and Thermal Power

  • CHENG Haowen ,
  • LI Kecheng ,
  • LIU Lu ,
  • CHENG Haozhong ,
  • SANG Bingyu
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  • 1 Key Laboratory of Power Transmission and Power Conversion Control of the Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
    2 Nanjing Branch of China Electric Power Research Institute, Nanjing 210009, China

Received date: 2024-08-19

  Revised date: 2024-09-14

  Accepted date: 2024-10-20

  Online published: 2024-11-28

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Abstract

Diversified frequency regulation resources are an effective and inevitable approach for addressing frequency safety issues in new power system. Based on a differentiated frequency regulation strategy that coordinates wind power, photovoltaic (PV), thermal power, and energy storage, this paper proposes a source-side battery energy storage system (BESS) optimization method under multiple scenarios by coupling long-term planning with short-term unit commitment. Joint frequency regulation strategies for thermal-storage, wind-storage, and PV-storage systems are developed, refining various functional roles of supporting battery storage to enhance flexibility during frequency regulation. The optimization configuration model aims to minimize both the investment and operational costs of wind-solar-thermal-storage systems. Frequency response capacity available from the power system is set as a security constraint, and high-order multi-machine time-domain simulations are used to verify and iterate frequency security margins in the solution process. The proposed method is validated using an improved IEEE 24-bus system. The results show that battery energy storage can flexibly switch between smoothing fluctuations, reducing renewable energy curtailment, and participating in system frequency regulation.

Key words： frequency regulation strategy; optimization configuration; unit combination; frequency safety; battery storage

Cite this article

CHENG Haowen , LI Kecheng , LIU Lu , CHENG Haozhong , SANG Bingyu . Optimization Configuration of Battery Storage Coordinated with Differentiated Frequency Regulation Strategy of Wind, Solar, and Thermal Power[J]. Journal of Shanghai Jiaotong University, 2025 , 59(10) : 1407 -1418 . DOI: 10.16183/j.cnki.jsjtu.2024.334

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