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

LIU Yi; CHEN Chen; RAN Shenming; WANG Chaoyang; LIU Ming; YAN Junjie

doi:10.19805/j.cnki.jcspe.2026.250224

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

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

更新时间：2026-07-16

- Research on Spatiotemporal Distribution Characteristics of Energy and Exergy Storage and Maximum Support Capability of Load Variation for 330 MW Subcritical Unit
- Chinese Journal of Power Engineering Vol. 46, Issue 7, Pages: 161-175(2026)
- 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：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.250224
  CLC： TK221
- Published：2026
- 稿件说明：
移动端阅览
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.

关键词

Keywords

references

吴瑞康, 刘迪, 郑建平, 等. 基于IGWO-SVM的汽轮机低负荷下主蒸汽压力优化研究[J]. 动力工程学报, 2024, 44(7): 1042-1050.WU Ruikang, LIU Di, ZHENG Jianping, et al. Optimization on main steam pressure of a steam turbine under low loads based on IGWO-SVM[J]. Journal of Chinese Society of Power Engineering, 2024, 44(7): 1042-1050.

黎博, 陈民铀, 钟海旺, 等. 高比例可再生能源新型电力系统长期规划综述[J]. 中国电机工程学报, 2023, 43(2): 555-580.LI Bo, CHEN Minyou, ZHONG Haiwang, et al. A review of long-term planning of new power systems with large share of renewable energy[J]. Proceedings of the CSEE, 2023, 43(2): 555-580.

周熙宏, 毕凌峰, 杨浩昱, 等. 燃煤机组锅炉深度调峰性能计算分析[J]. 动力工程学报, 2021, 41(10): 809-817.ZHOU Xihong, BI Lingfeng, YANG Haoyu, et al. Calculation and analysis of depth peak regulation performance of a coal-fired power plant[J]. Journal of Chinese Society of Power Engineering, 2021, 41(10): 809-817.

石文辉, 屈姬贤, 罗魁, 等. 高比例新能源并网与运行发展研究[J]. 中国工程科学, 2022, 24(6): 52-63.SHI Wenhui, QU Jixian, LUO Kui, et al. Grid-integration and operation of high-proportioned new energy[J]. Strategic Study of CAE, 2022, 24(6): 52-63.

CHEN Chen, LIU Ming, LI Mengjie, et al. Digital twin modeling and operation optimization of the steam turbine system of thermal power plants[J]. Energy, 2024, 290: 129969.

郝玲, 陈磊, 黄怡涵, 等. 新型电力系统下燃煤火电机组一次调频面临的挑战与展望[J]. 电力系统自动化, 2024, 48(8): 14-29.HAO Ling, CHEN Lei, HUANG Yihan, et al. Challenges and prospects of primary frequency regulation of coal-fired thermal power units for new power system[J]. Automation of Electric Power Systems, 2024, 48(8): 14-29.

张智刚, 康重庆. 碳中和目标下构建新型电力系统的挑战与展望[J]. 中国电机工程学报, 2022, 42(8): 2806-2818.ZHANG Zhigang, KANG Chongqing. Challenges and prospects for constructing the new-type power system towards a carbon neutrality future[J]. Proceedings of the CSEE, 2022, 42(8): 2806-2818.

YAN Hui, CHONG Daotong, WANG Zhu, et al. Dynamic performance enhancement of solar-aided coal-fired power plant by control strategy optimization with solar/coal-to-power conversion characteristics[J]. Energy, 2022, 244: 122564.

舒印彪, 陈国平, 贺静波, 等. 构建以新能源为主体的新型电力系统框架研究[J]. 中国工程科学, 2021, 23(6): 61-69.SHU Yinbiao, CHEN Guoping, HE Jingbo, et al. Building a new electric power system based on new energy sources[J]. Strategic Study of CAE, 2021, 23(6): 61-69.

刘吉臻, 杜忠明, 王庆华, 等. 新型电力系统下新一代煤电发展路径[J]. 新型电力系统, 2024, 2(4): 357-370.LIU Jizhen, DU Zhongming, WANG Qinghua, et al. Development paths for next-generation coal-fired power generation under new electric power systems[J]. New Type Power Systems, 2024, 2(4): 357-370.

LIU Zefeng, WANG Chaoyang, FAN Jianlin, et al. Enhancing the flexibility and stability of coal-fired power plants by optimizing control schemes of throttling high-pressure extraction steam[J]. Energy, 2024, 288: 129756.

FAN Mengyang, ZHAO Yongliang, LIU Ming, et al. Primary frequency control optimization of coal-fired power plants with high-low position shafts: employing a revised strategy with power-decoupling and feedforward-compensating[J]. Case Studies in Thermal Engineering, 2024, 57: 104312.

WANG Chaoyang, LIU Zefeng, FAN Mengyang, et al. Enhancing the flexibility and efficiency of a double-reheat coal-fired power unit by optimizing the steam temperature control: from simulation to application[J]. Applied Thermal Engineering, 2022, 217: 119240.

WANG Zhu, LIU Ming, YAN Hui, et al. Optimization on coordinate control strategy assisted by high-pressure extraction steam throttling to achieve flexible and efficient operation of thermal power plants[J]. Energy, 2022, 244: 122676.

WU Qingyang, LI Gen, LIU Ming, et al. The enhancement of primary frequency regulation ability of combined water and power plant based on nuclear energy: dynamic modelling and control strategy optimization[J]. Energy, 2024, 313: 133721.

CHEN Chen, ZHAO Chenyu, LIU Ming, et al. Enhancing the load cycling rate of subcritical coal-fired power plants: a novel control strategy based on data-driven feedwater active regulation[J]. Energy, 2024, 312: 133627.

CHEN Chen, LIU Ming, WANG Chaoyang, et al. A new control strategy of direct exergy balance for coal-fired power plants: fundamentals and performance evaluation[J]. Applied Thermal Engineering, 2025, 259: 124860.

OKO E, WANG Meihong, ZHANG Jie. Neural network approach for predicting drum pressure and level in coal-fired subcritical power plant[J]. Fuel, 2015, 151: 139-145.

ZHANG Dongming, HU Yong, GAO Yaokui. Optimization control of a 330 MW drum boiler unit based on DMC algorithm and DEB strategy[J]. ISA Transactions, 2022, 128: 435-449.

ZHAO Yongliang, WANG Chaoyang, LIU Ming, et al. Improving operational flexibility by regulating extraction steam of high-pressure heaters on a 660 MW supercritical coal-fired power plant: a dynamic simulation[J]. Applied Energy, 2018, 212: 1295-1309.

赵永亮, 张利, 刘明, 等. 660 MW燃煤机组热力系统构型调整对一次调频性能的影响研究[J]. 中国电机工程学报, 2019, 39(12): 3587-3597.ZHAO Yongliang, ZHANG Li, LIU Ming, et al. Effects of regulating thermal system configuration for 660 MW coal-fired power units on the performance of primary frequency control[J]. Proceedings of the CSEE, 2019, 39(12): 3587-3597.

伦涛, 鄂志君, 张利, 等. 燃煤机组不同灵活性调节方案参与一次调频过程的经济性分析[J]. 中国电力, 2019, 52(8): 164-172.LUN Tao, E Zhijun, ZHANG Li, et al. Thermo-economic analysis on four regulation schemes with different flexibilities for primary frequency regulation control in a coal-fired power plant[J]. Electric Power, 2019, 52(8): 164-172.

WANG Zhu, LIU Ming, YAN Hui, et al. Improving flexibility of thermal power plant through control strategy optimization based on orderly utilization of energy storage[J]. Applied Thermal Engineering, 2024, 240: 122231.

马博洋. 汽包锅炉蓄热系数的理论计算与分析[J]. 热力发电, 2020, 49(7): 147-152.MA Boyang. Theoretical analysis and calculation of heat storage coefficient of drum boiler[J]. Thermal Power Generation, 2020, 49(7): 147-152.

CHEN Chen, LIU Ming, WANG Chaoyang, et al. The flexibility enhancement of subcritical coal-fired power plants: control strategy optimization for live and reheat steam temperature[C]//ASME 2024 Power Conference. Washington: American Society of Mechanical Engineers, 2024.

International Society of Automation. Fossil fuel power plant simulators - functional requirements: ANSI/ISA 77.20.01—2012[S]. Durham: International Society of Automation (ISA), 2012.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Study on Performance Prediction Model of Gas Turbine Compressor and Combined Cycle Unit Based on PCA-PSO-LSTM

Simulation on Structural Integrity Assessment of Cracks in Dangerous Areas of Gas Turbine Blade

System Performance Analysis of a Coal-fired Unit Coupled with High- and Low-temperature Molten Salt Thermal Energy Storage

Data-driven Coordinated Control for a 600 MW Coal-Ammonia Co-firing Unit

Study on Fault Early Warning of Induced Draft Fan Based on TCN-SDAE Model and Adaptive Dynamic Threshold

Related Author

No data

Related Institution

No data

AI问答

⁰