Research and application of AGC frequency regulation capacity allocation scheme for supercapacitor hybrid energy storage assisted thermal power unit

李菁华; 兀鹏越; 黄富强; 房方; 康祯; 洪烽; 解晶莹; 杨恩东; 寇水潮; 王小辉

doi:10.19666/j.rlfd.202410243

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Research and application of AGC frequency regulation capacity allocation scheme for supercapacitor hybrid energy storage assisted thermal power unit

Thermal Power Generation Vol. 54, Issue 7, Pages: 101-110(2025)

更新时间：2026-08-11

- Research and application of AGC frequency regulation capacity allocation scheme for supercapacitor hybrid energy storage assisted thermal power unit
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 上海交通大学材料科学与工程学院
  3. 华北电力大学控制与计算机工程学院
  4. 上海空间电源研究所
  5. 南通江海储能技术有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202410243
  CLC： TM621;TM53
- Published：2025
- 稿件说明：
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[1]李菁华,兀鹏越,黄富强,等.超级电容混合储能辅助火电机组AGC调频容量配置方案研究与应用[J],2025,54(07):101-110.
[1]李菁华,兀鹏越,黄富强,等.超级电容混合储能辅助火电机组AGC调频容量配置方案研究与应用[J],2025,54(07):101-110. DOI： 10.19666/j.rlfd.202410243.

DOI：10.19666/j.rlfd.202410243.

摘要

新型电力系统“双高”特性使其频率稳定性面临巨大挑战，储能辅助火电机组调频技术已成为保障新型电力系统稳定运行的关键核心技术。该技术所采用的主流储能形式——锂电池储能，在使用中存在寿命短和安全性差的问题，超级电容储能自身高功率、长循环寿命、高安全性的特性极其契合火储调频对储能的要求，但对连续单向指令响应效果较差，需要探索混合储能技术路线实现2种储能优势互补。针对超级电容-锂电池混合储能容量配置问题进行研究，考虑功率型储能器件和能量型储能器件特性，设计了基于实际自动发电控制（AGC）调频指令的储能容量配置方法，对比了3种典型容量配置方案的调频性能和经济性，确定了最优方案并进行了工程验证。实际运行数据表明，超级电容混合储能系统可提升机组调频性能59.77%，延长锂电池使用寿命至3.6倍，提升系统经济性。

Abstract

The “double high” characteristics of new power system make its frequency stability face a huge challenge. Energy storage assisted thermal power unit frequency regulation technology has become a key core technology to ensure the stable operation of the new power system. The mainstream form of energy storage used in this technology

lithium battery storage

suffers from short lifespan and poor safety in use. The features of supercapacitor energy storage like high power

long cycle life

and high security

are highly compatible with the energy-storage requirements of frequency regulation of the energy storage assisted thermal power unit

but the supercapacitor's response to the continuous unidirectional command is poor. Therefore

it is necessary to explore the technical route of hybrid energy storage to achieve complementary advantages of the two types of energy storage. The hybrid energy storage capacity configuration of supercapacitor and lithium battery was studied

the energy storage capacity configuration method based on the actual AGC frequency regulation command was designed

considering the characteristics of power-type energy storage devices and energy-type energy storage devices. Moreover

the frequency regulation performance and economy of three typical capacity configuration schemes were compared

and the optimal scheme was determined. Finally

engineering verification was carried out. The actual operation data show that

the supercapacitor hybrid energy storage system can improve the frequency regulation performance of the thermal power unit by 59.77%

extend the service life of the lithium battery to 3.6 times

and improve the system economy.

关键词

Keywords

references

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