电制热熔盐储热发电系统的动态特性分析

户雯婷; 刘明; 张顺奇; 韩伟; 严俊杰

doi:10.19666/j.rlfd.202412244

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电制热熔盐储热发电系统的动态特性分析

热力发电 2025年54卷第9期页码：25-34

储能与发电耦合技术研究专题 | 更新时间：2026-08-11

- 电制热熔盐储热发电系统的动态特性分析
- Dynamic characteristics analysis of power-to-heat molten salt heat storage and power generation system
- 作者机构：
  
  1. 西安交通大学动力工程多相流国家重点实验室
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(52276016);陕西省重点研发计划项目(2024GX-ZDCYL-04-10);国家重点研发计划项目(2024YFB2408400)~~
- DOI：10.19666/j.rlfd.202412244
  中图分类号： TM611
- 纸质出版：2025
- 稿件说明：
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[1]户雯婷,刘明,张顺奇,等.电制热熔盐储热发电系统的动态特性分析[J],2025,54(09):25-34.
[1]户雯婷,刘明,张顺奇,等.电制热熔盐储热发电系统的动态特性分析[J],2025,54(09):25-34. DOI： 10.19666/j.rlfd.202412244.

DOI：10.19666/j.rlfd.202412244.

摘要

针对电制热熔盐储热发电系统的动态特性展开研究，建立了蒸汽发生系统、发电系统的动态模型，验证了模型的可靠性。分析了熔盐工质流量、温度和蒸汽阀门开度扰动下的动态特性，并研究该系统在100%THA—50%THA负荷区间的降负荷瞬态过程性能。研究结果表明，在熔盐温度扰动下，主蒸汽温度和再热蒸汽温度快速响应，且明显快于机组负荷和主蒸汽压力响应；熔盐流量扰动对机组负荷和主蒸汽压力具有显著影响，熔盐流量增加15%时，机组负荷增加12.44%，主蒸汽压力增大1.18 MPa；主蒸汽调节阀开度则控制着主蒸汽压力和负荷波动。在温度偏差的限制条件下，100%THA—50%THA负荷区间的最大降负荷速率达14%P

/min。

Abstract

The dynamic models of steam generation system and power generation system are developed to study the dynamic characteristics of power-to-heat molten salt heat storage and power generation system

and the reliability of the models is validated. The dynamic characteristics of the system are analyzed for the disturbance of molten salt work temperature

flowrate and steam valve opening. Moreover

the performance of the system in the load reduction transient process is investigated in the 100%THA～50%THA load interval. The results show that

the main steam temperature and reheat steam temperature respond quickly to the molten salt temperature disturbance

and their response is

obviously faster than that of the unit load and main steam pressure. The molten salt flowrate disturbance has a significant effect on the unit load and main steam pressure

and the unit load increases by 12.44%and the main steam pressure increases by 1.18 MPa with 15% increase in molten salt flowrate. The main steam valve opening controls the main steam pressure and load fluctuation. With the addition of the control system

the maximum load reduction rate of the unit in the 100%THA～50%THA load interval is 14%P

/min with the limiting condition of temperature deviation.

关键词

Keywords

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