储能科学与技术 ›› 2024, Vol. 13 ›› Issue (10): 3569-3578.doi: 10.19799/j.cnki.2095-4239.2024.0397

• 储能系统与工程 • 上一篇    下一篇

MW级飞轮阵列在新能源场站一次调频中的应用

张志国1(), 王刚1, 杨晶2, 王书平1, 刘东3, 饶武峰3   

  1. 1.国家电投集团河南电力有限公司技术信息中心,河南 郑州 450001
    2.国电投坎德拉(北京)新能源科技有限公司,北京 102209
    3.坎德拉(深圳)新能源科技有限公司,广东 深圳 518000
  • 收稿日期:2024-05-06 修回日期:2024-07-26 出版日期:2024-10-28 发布日期:2024-10-30
  • 通讯作者: 张志国 E-mail:zzg6565686@sina.com
  • 作者简介:张志国(1982—),男,本科,高级工程师,研究方向为电厂化学与电力储能,E-mail:zzg6565686@sina.com
  • 基金资助:
    国家电投集团B类科技项目(KYTC2020GX02)

Research on the application of MW-level flywheel array for primary frequency regulation in wind farms

Zhiguo ZHANG1(), Gang WANG1, Jing YANG2, Shuping WANG1, Dong LIU3, Wufeng RAO3   

  1. 1.SPIC Henan Electric Power Co. , Ltd. Technical Information Center, Zhengzhou 450001, Henan, China
    2.State Power Investment Candela (Shenzhen) New Energy Technology Co. , Ltd, Beijing 102209, China
    3.Candela (Shenzhen) New Energy Technology Co. , Ltd, Shenzhen 518000, Guangdong, China
  • Received:2024-05-06 Revised:2024-07-26 Online:2024-10-28 Published:2024-10-30
  • Contact: Zhiguo ZHANG E-mail:zzg6565686@sina.com

摘要:

针对新能源场站一次调频技术的迫切需求,本工作研究了MW级飞轮阵列在此场景下的创新应用,设计了飞轮储能阵列系统集成接入方案,提出了飞轮储能阵列参与新能源场站一次调频控制策略,并在新能源场站主变低压侧(35 kV)独立接入了一套5 MW/175 kWh的飞轮阵列系统。为了全面验证该方案的可行性与性能优势,本工作实施了一系列的试验测试,涵盖单机充放电快速切换、频率阶跃扰动响应、防扰动性能校验以及一次调频死区测试等多个维度的工况试验。此外,结合现场长期运行的实时监测数据,综合分析表明,采用MW级飞轮阵列显著增强了新能源场站的一次调频能力,提高了系统响应速度。

关键词: 新能源场站, 一次调频, 飞轮储能, 飞轮阵列

Abstract:

This paper addresses the urgent need for primary frequency regulation technology in new energy power stations. It explores the innovative use of megawatt (MW)-scale flywheel arrays, designs an integration scheme for these flywheel energy storage systems, and proposes a control strategy for their application in primary frequency regulation within renewable energy power stations. A 5 MW/175 kWh flywheel array system has been independently connected to the low-voltage side (35 kV) of the main transformer in a renewable energy power station. To thoroughly validate the feasibility and performance advantages of this setup, a series of experimental tests have been conducted. These tests cover various aspects, including rapid switching between charging and discharging for a single unit, response to frequency step disturbances, anti-disturbance performance, and primary frequency regulation dead-zone testing. Furthermore, an analysis of long-term real-time monitoring data from the site reveals that the implementation of MW-scale flywheel arrays significantly improves the primary frequency regulation capability of renewable energy power stations, leading to a faster system response.

Key words: new energy station, primary frequency regulation, flywheel energy storage, flywheel array system

中图分类号: