Analysis of thermoelectric load characteristics of solar gas steam combined cycle unit

HU Jian; REN Yujie; ZHANG Chenyang; HU Rong; WANG Yunlong

doi:10.19666/j.rlfd.202011264

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Analysis of thermoelectric load characteristics of solar gas steam combined cycle unit

更新时间：2025-09-28

- Analysis of thermoelectric load characteristics of solar gas steam combined cycle unit
- Thermal Power Generation Vol. 50, Issue 6, Pages: 40-45(2021)
- 作者机构：
  
  中节能国机联合电力(宁夏)有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202011264
  CLC： TM61
- Published：2021
- 稿件说明：
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HU Jian, REN Yujie, ZHANG Chenyang, et al. Analysis of thermoelectric load characteristics of solar gas steam combined cycle unit[J]. Thermal power generation, 2021, 50(6): 40-45.
DOI：

HU Jian, REN Yujie, ZHANG Chenyang, et al. Analysis of thermoelectric load characteristics of solar gas steam combined cycle unit[J]. Thermal power generation, 2021, 50(6): 40-45. DOI： 10.19666/j.rlfd.202011264.

摘要

本文以太阳能燃气-蒸汽联合循环(ISCC)为研究对象

建立了太阳能燃气-蒸汽联合循环热电联产机组的稳态模型

分析了太阳能辐射强度对ISCC热电联产机组系统整体运行性能和热力参数的影响

并以此为依据分析了太阳能引入前后运行特性及热电调峰能力的变化情况。结果表明:ISCC系统的?效率随太阳能辐射强度的增大逐渐上升;系统循环热效率随ISCC系统燃气轮机负荷率升高和对外供热量的升高而增大;ISCC系统中太阳能的配置增大了机组的调峰范围

促进了机组的热电解耦

且太阳能燃气联合循环热电联产机组的太阳能互补潜力随着燃气轮机负荷的上升先增大后减小。该研究结果可为ISCC应用于热电联产提供理论和设计依据。

Abstract

By taking solar gas-steam combined cycle as the research object

this paper establishes a steady state model of integrated solar cycle cogeneration(ISCC) system. The effects of solar radiation intensity on operation performance of the ISCC cogeneration unit overall system and the thermal parameters are analyzed. On this basis

the operation characteristics and thermoelectric load capacity of the system before and after the solar energy is introduced is investigated. The results show that

the exergy efficiency of the ISCC system increases gradually with the solar radiation intensity. The system's cycle thermal efficiency rises with the gas turbine's load rate and the external heating capacity of the ISCC system. The solar energy configuration in ISCC system increases the peak adjustment range of the unit

promotes the thermal power decoupling of the unit

and the solar energy complementary potential of the ISCC unit increases at first and then decreases with the increase of the gas turbine load. The research results can provide theoretical and design basis for ISCC application in cogeneration.

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