Primary frequency modulation technology of flywheel energy storage assisted thermal power plant

DAI Benqian; WU Pengyue; WANG Haibo; SU Sen; WANG Fei; ZHU Yantong; PAN Haibo; LI Huiyezi; TIAN Jiandong

doi:10.19666/j.rlfd.202308131

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Primary frequency modulation technology of flywheel energy storage assisted thermal power plant

更新时间：2025-09-28

- Primary frequency modulation technology of flywheel energy storage assisted thermal power plant
- Thermal Power Generation Vol. 53, Issue 3, Pages: 81-88(2024)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 国能宁夏灵武发电有限公司
  3. 华驰动能(北京)科技有限公司
  4. 华能国际电力股份有限公司日照电厂
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202308131
  CLC： TM621
- Published：2024
- 稿件说明：
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DAI Benqian, WU Pengyue, WANG Haibo, et al. Primary frequency modulation technology of flywheel energy storage assisted thermal power plant[J]. Thermal power generation, 2024, 53(3): 81-88.
DOI：

DAI Benqian, WU Pengyue, WANG Haibo, et al. Primary frequency modulation technology of flywheel energy storage assisted thermal power plant[J]. Thermal power generation, 2024, 53(3): 81-88. DOI： 10.19666/j.rlfd.202308131.

摘要

大规模新能源并网造成电网频率波动增大，使得火电机组调频任务繁重、动作频繁，加剧了机组老化，飞轮储能辅助火电机组调频能提升机组的调频性能。论述了飞轮储能辅助机组一次调频原理，分析了飞轮储能的出力特性，结合世界最大容量飞轮储能，提出了飞轮储能满功率辅助机组一次调频的控制策略，并应用于我国第一套飞轮储能辅助火电机组一次调频的调试中，验证了控制策略有效性。现场测试结果表明，飞轮储能辅助火电机组一次调频性能良好，采取所提一次调频策略后该机组一次调频动作合格率提升21.26%，一次调频积分电量贡献指数提升3.45倍。飞轮储能辅助火电机组一次调频模式对解决此类问题具有一定指导意义。

Abstract

The large-scale integration of new energy into the grid has caused increased frequency fluctuations in the grid

making the frequency modulation task of thermal power units heavy and frequent

exacerbating the aging of the unit

flywheel energy storage assisted thermal power unit frequency modulation can improve the frequency modulation performance of the unit. The principle of primary frequency modulation of flywheel energy storage auxiliary unit is discussed

and the flywheel energy storage's frequency modulation characteristics are analyzed.Combining with the world's largest capacity flywheel energy storage

the full power control strategy for primary frequency modulation of flywheel energy storage auxiliary units is proposed

and applied to the shakedown test of China's first set of flywheel energy storage auxiliary thermal power unit's primary frequency modulation to verify the effectiveness of the control strategy. The field test results show that

the primary frequency modulation performance of the flywheel energy storage auxiliary thermal power unit is good. After the proposed primary frequency modulation strategy is adopted

the qualification rate of the primary frequency modulation action of the unit increases by 21.26%

and the integral electricity contribution index of the primary frequency modulation increases by 3.45 times. The primary frequency modulation mode of flywheel energy storage auxiliary thermal power unit has certain guiding significance to solve such problems.

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