Stability Improvement of Boiler Heat Storage Utilization by Observer Based on PID

PANG Dawei; QIN Tianmu; DU Ming; NIU Yuguang

doi:10.19805/j.cnki.jcspe.2025.240602

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Stability Improvement of Boiler Heat Storage Utilization by Observer Based on PID

更新时间：2026-10-10

- Stability Improvement of Boiler Heat Storage Utilization by Observer Based on PID
- Chinese Journal of Power Engineering Vol. 45, Issue 11, Pages: 1905-1913(2025)
- 作者机构：
  
  1. 华北电力大学新能源电力系统全国重点实验室,北京,102206
  2. 北京怀柔实验室,北京,101400
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240602
  CLC：
- Online First：17 November 2025，
  
  Published：17 November 2025
- 稿件说明：
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庞大卫,秦天牧,杜鸣,牛玉广. 基于观测器PID的锅炉蓄热利用稳定性提升动力工程学报, 2025, 45(11): 1905-1913 https://doi.

org/10.19805/j.cnki.jcspe.2025.240602
庞大卫,秦天牧,杜鸣,牛玉广. 基于观测器PID的锅炉蓄热利用稳定性提升动力工程学报, 2025, 45(11): 1905-1913 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240602.

org/10.19805/j.cnki.jcspe.2025.240602 DOI：

摘要

为平抑可再生能源并网带来的频率波动

火电机组将频繁利用各部分蓄能以提升频率响应能力。针对锅炉蓄热系数、主蒸汽压力与机组一次调频能力之间复杂的变化特性

准确地描述了一次调频过程。对于蓄热利用下带来的模型参数变化

设计了基于观测器PID(OB-PID)一次调频控制策略

分别针对跟踪性能、扰动抑制性能、鲁棒性能进行了仿真测试。结果表明:基于OB-PID的一次调频系统在极小的物理结构改动下

取得了极大的性能提升

有利于提升锅炉蓄热利用时的稳定性。

Abstract

In order to smooth the frequency fluctuations caused by the grid connection of renewable energy

thermal power units will frequently use each part of the energy storage to improve the frequency response ability. The process of primary frequency regulation was described accurately in view of the complex variation characteristics between boiler heat storage coefficient

main steam pressure and primary frequency regulation ability of units. According to the change of model parameters caused by heat storage utilization

observer based-PID (OB-PID) primary frequency regulation control strategy was designed

and the tracking performance

disturbance suppression performance and robustness performance were simulated and tested respectively. Results show that the primary frequency regulation system based on OB-PID achieves great performance improvement with minimal physical structure changes

which is conducive to improving the stability of primary frequency regulation in the furnace side heat storage utilization.

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references

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