Study on control strategy and variable load rate of linear fresnel solar power station

GAO Xiangbin; LIAO Chaohao; LI Gen

doi:10.19666/j.rlfd.202312190

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Study on control strategy and variable load rate of linear fresnel solar power station

更新时间：2025-09-28

- Study on control strategy and variable load rate of linear fresnel solar power station
- Thermal Power Generation Vol. 53, Issue 5, Pages: 47-55(2024)
- 作者机构：
  
  1. 新疆新能集团有限责任公司乌鲁木齐电力建设调试所
  2. 华南理工大学电力学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202312190
  CLC： TM615
- Published：2024
- 稿件说明：
移动端阅览
GAO Xiangbin, LIAO Chaohao, LI Gen. Study on control strategy and variable load rate of linear fresnel solar power station[J]. Thermal power generation, 2024, 53(5): 47-55.
DOI：

GAO Xiangbin, LIAO Chaohao, LI Gen. Study on control strategy and variable load rate of linear fresnel solar power station[J]. Thermal power generation, 2024, 53(5): 47-55. DOI： 10.19666/j.rlfd.202312190.

摘要

太阳能光热发电可以与其他新能源发电互补运行，也可以承担电网调峰调频任务，因此受到越来越多的关注。以线性菲涅尔式光热电站为研究对象，利用Apros软件搭建储热系统和发电系统的动态仿真模型并进行了模型验证，设计了考虑蓄热影响的光热电站协调控制系统，研究该电站在不同负荷区间的最大变负荷速率。研究结果表明：所提出的光热电站协调控制策略控制效果良好，与未采用蓄热控制相比，采用蓄热控制后主蒸汽压力偏差由0.17 MPa减小到0.07 MPa；在设定的限制条件下，100%THA～75%THA负荷区间最大升负荷速率为11.57%/min，最大降负荷速率为8.94%/min。研究结果可为光热电站调峰调频运行提供参考。

Abstract

Solar power plants can be complementary to other new energy power generation stations

and can also undertake the task of peak modulation and frequency modulation of power grid

which have attracted more and more attentions. In this paper

the dynamic simulation model of thermal storage system and power generation system is built and verified by Apros software. The coordinated control system of solar power plant considering the influence of heat storage is designed

and the maximum variable load rate of the solar power plant in different load intervals is studied. The results show that the proposed coordinated control strategy has a good control effect.Compared with the control without heat storage control

the deviation of main steam pressure with heat storage control reduces from 0.17 MPa to 0.07 MPa. Under the set limit conditions

the maximum load rise rate of 100%THA～75%THA load interval is 11.57%/min

and the maximum load reduction rate is 8.94%/min. The results can provide reference for peak shaving and frequency modulation operation of photothermal power plants.

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