Control Strategy Optimization for Thermal Power Unit-Flywheel Energy Storage Coupling System

SUN Ming; XU Jianhua; XU Wenxin; ZHAO Jixing

doi:10.19805/j.cnki.jcspe.2026.240795

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Control Strategy Optimization for Thermal Power Unit-Flywheel Energy Storage Coupling System

更新时间：2026-10-10

- Control Strategy Optimization for Thermal Power Unit-Flywheel Energy Storage Coupling System
- Chinese Journal of Power Engineering Vol. 46, Issue 4, Pages: 119-126(2026)
- 作者机构：
  
  1. 华北电力大学自动化系,河北,保定,071003
  2. 河北省发电过程仿真与优化控制技术创新中心,河北,保定,071003
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.240795
  CLC： TK02
- Published：2026
- 稿件说明：
移动端阅览
孙明, 徐建花, 徐文鑫, 赵吉兴. 火电机组-飞轮储能耦合系统控制策略优化[J]. 动力工程学报, 2026, 46(4): 119-126.
孙明, 徐建花, 徐文鑫, 赵吉兴. 火电机组-飞轮储能耦合系统控制策略优化[J]. 动力工程学报, 2026, 46(4): 119-126. DOI： 10.19805/j.cnki.jcspe.2026.240795.

DOI： 10.19805/j.cnki.jcspe.2026.240795

摘要

为构建具有高质量调频性能的火电机组-飞轮储能耦合系统

首先利用跟踪微分器将一次调频指令分解成微分分量和滤波分量

并分别作为飞轮和火电机组的负荷指令;然后设计火电机组-飞轮储能耦合系统的一次调频控制策略

实现荷电状态(SOC)和电网频差协同下飞轮出力自适应调节。结果表明:所设计的耦合调频系统能够充分发挥火电-飞轮特性的互补优势

有效提高了一次调频性能考核指标

也提升了机组的稳定性和电网的安全性。

Abstract

To construct a thermal power unit-flywheel energy storage coupling system with high-quality frequency regulation performance

the primary frequency regulation command was first decomposed into differential and filtered components by the tracking differentiator

which were used as the load commands for the flywheel and thermal power unit

respectively. Then

a primary frequency regulation control strategy for the thermal power unit-flywheel energy storage coupling system was designed to achieve the adaptive adjustment of flywheel output under the coordination of state of charge (SOC) and grid frequency deviation. Results show that the designed coupled frequency regulation system can give full play to the complementary advantages of thermal power and flywheel characteristics

effectively improve the assessment indicators of primary frequency regulation performance

and enhance the stability of the unit as well as the safety of the power grid.

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references

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