330 MW亚临界机组蓄能蓄&#15794;时空分布特性及变负荷极限支撑能力研究

刘一; 陈晨; 冉燊铭; 王朝阳; 刘明; 严俊杰

doi:10.19805/j.cnki.jcspe.2026.250224

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330 MW亚临界机组蓄能蓄㶲时空分布特性及变负荷极限支撑能力研究

煤电机组清洁低碳高效运行与智能调峰专题 | 更新时间：2026-07-16

- 330 MW亚临界机组蓄能蓄㶲时空分布特性及变负荷极限支撑能力研究
- Research on Spatiotemporal Distribution Characteristics of Energy and Exergy Storage and Maximum Support Capability of Load Variation for 330 MW Subcritical Unit
- 动力工程学报 2026年46卷第7期页码：161-175
- 作者机构：
  
  1. 能源清洁低碳热转化利用技术与装备四川省重点实验室,四川,成都,611731
  2. 东方电气集团东方锅炉股份有限公司,四川,自贡,643001
  3. 西安交通大学动力工程多相流国家重点实验室,陕西,西安,710049
- 作者简介：
  
  刘一(1991—),男,湖南浏阳人,工程师,主要从事锅炉设计与调试等方面的研究。王朝阳(通信作者),男,教授,博士,E-mail:chaoyang.wang@xjtu.edu.cn。
- 基金信息：
  
  陕西省重点研发计划资助项目(2023GXLH-002);中国博士后科学基金资助项目(2024T170703)
- DOI：10.19805/j.cnki.jcspe.2026.250224
  中图分类号： TK221
- 纸质出版：2026
- 稿件说明：
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刘一, 陈晨, 冉燊铭, 王朝阳, 刘明, 严俊杰. 330 MW亚临界机组蓄能蓄㶲时空分布特性及变负荷极限支撑能力研究[J]. 动力工程学报, 2026, 46(7): 161-175.
刘一, 陈晨, 冉燊铭, 王朝阳, 刘明, 严俊杰. 330 MW亚临界机组蓄能蓄㶲时空分布特性及变负荷极限支撑能力研究[J]. 动力工程学报, 2026, 46(7): 161-175. DOI： 10.19805/j.cnki.jcspe.2026.250224.

DOI： 10.19805/j.cnki.jcspe.2026.250224

摘要

为充分挖掘亚临界机组自身蓄能对快速变负荷性能的支撑潜力

以330 MW亚临界机组为研究对象

建立了机组热力系统动态仿真模型和蓄能蓄计算模型。进而提出了给水节流支撑机组快速变负荷方案

分析了5种不同可利用机组内部蓄能蓄的系统构型调整方案

量化了各方案对提升机组变负荷速率的支撑能力。结果表明:随着负荷降低

热力系统的蓄能和蓄分别减少19.6%、23.1%;蒸发系统工质蓄能和蓄在锅炉系统中占比最大

分别为51.3%、52.0%;给水节流对提升机组灵活性的效果最为明显

可支撑的快速变负荷时间和最大功率增量分别比高压调阀调节增加114.7%、168.2%

且给水节流后机组内部蓄能蓄利用量最大。

Abstract

To fully exploit the intrinsic energy storage potential of subcritical units in supporting rapid load variation performance

a dynamic simulation model of unit thermal system and an energy and exergy storage calculation model were developed focusing on a 330 MW subcritical unit. Furthermore

a rapid load variation scheme for the feedwater flow throttling was proposed

and five different system configuration adjustment schemes for utilizing internal energy and exergy storage of unit were analyzed. The support capacity of each scheme for improving the load variation rate of the unit was quantified. Results show that with decreasing load

the energy and exergy storage of thermal system decrease by 19.6% and 23.1%

respectively. The energy and exergy storage of working fluid in the evaporation system account for the largest proportion of the boiler system

representing 51.3% and 52.0% respectively. Feedwater throttling most markedly improves the flexibility of unit

and the supportable rapid load variation duration and maximum power increment are 114.7% and 168.2% higher

respectively

than those achieved with high pressure control valve regulation

and furthermore it maximizes the utilization of the internal energy and exergy storage of unit after feedwater flow throttling.

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references

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330 MW亚临界机组蓄能蓄㶲时空分布特性及变负荷极限支撑能力研究

Research on Spatiotemporal Distribution Characteristics of Energy and Exergy Storage and Maximum Support Capability of Load Variation for 330 MW Subcritical Unit

DOI：10.19805/j.cnki.jcspe.2026.250224

摘要

Abstract

关键词

Keywords

references