Source-load coupling characteristics analysis of gas turbine-based CHP system with solar hybrid and compressor bypass air extraction energy storage

YANG Hailiang; YANG Cheng; XIE Guangping; LI Hua; MA Xiaoqian

doi:10.19666/j.rlfd.202104043

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Source-load coupling characteristics analysis of gas turbine-based CHP system with solar hybrid and compressor bypass air extraction energy storage

更新时间：2025-09-28

- Source-load coupling characteristics analysis of gas turbine-based CHP system with solar hybrid and compressor bypass air extraction energy storage
- Thermal Power Generation Vol. 50, Issue 12, Pages: 92-99(2021)
- 作者机构：
  
  华南理工大学电力学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202104043
  CLC： TM611.24
- Published：2021
- 稿件说明：
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YANG Hailiang, YANG Cheng, XIE Guangping, et al. Source-load coupling characteristics analysis of gas turbine-based CHP system with solar hybrid and compressor bypass air extraction energy storage[J]. Thermal power generation, 2021, 50(12): 92-99.
DOI：

YANG Hailiang, YANG Cheng, XIE Guangping, et al. Source-load coupling characteristics analysis of gas turbine-based CHP system with solar hybrid and compressor bypass air extraction energy storage[J]. Thermal power generation, 2021, 50(12): 92-99. DOI： 10.19666/j.rlfd.202104043.

摘要

压气机抽气储能调控可改善燃气轮机能源系统性能

为了使燃气轮机系统更加灵活、高效地与外界负荷匹配

提出太阳能耦合压气机出口抽气储能的燃气轮机热电联产系统。通过建立空气透平、余热锅炉和太阳能集热器的变工况数学模型

利用Thermoflex软件建立燃气轮机压气机出口抽气变工况模型

并对耦合系统进行变工况分析

研究系统在储能、释能和运行周期内热力参数的变化

以华南地区某宾馆的逐时负荷为例对太阳能耦合压气机出口抽气储能的热电联产系统进行案例分析

并与基准热电联产系统对比。结果表明:以某典型日为1个周期

本文设计系统的1次能源利用率比传统热电联产系统高3.2%

?效率高2.4%。

Abstract

Compressor bypass extraction and energy storage regulation can improve the performance of gas turbine system. In order to make the gas turbine system run more flexibly and efficiently to match the external load

a cogeneration system coupled with photothermal and compressor bypass air extraction energy storage is proposed. Offdesign mathematical models of air turbine

heat recovery steam generator and solar collector are established. The off-design model for gas turbine compressor bypass air extraction is established by Thermoflex software. The offdesign characteristics of the coupling system is analyzed

to investigate the changes of thermodynamic parameters of the system during the whole running period of energy storage and release. Taking the load of a hotel in South China as an example

the presented system is analyzed and compared with the benchmark co-generation system.The results show that

in a typical day as a cycle

the primary energy utilitzation ratio and exergy efficiency of the presented system is 3.2% and 2.4% higher than that of the conventional cogeneration system

respectively.

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