Effect of inlet air cooling system on gas turbine unit's economy

ZHU Binshuai; ZHANG Yun

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Effect of inlet air cooling system on gas turbine unit's economy

更新时间：2025-09-28

- Effect of inlet air cooling system on gas turbine unit's economy
- Thermal Power Generation Vol. 43, Issue 3, Pages: 5-8(2014)
- 作者机构：
  
  华电电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK471
- Published：2014
- 稿件说明：
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ZHU Binshuai, ZHANG Yun. Effect of inlet air cooling system on gas turbine unit's economy[J]. Thermal power generation, 2014, 43(3): 5-8.
DOI：

ZHU Binshuai, ZHANG Yun. Effect of inlet air cooling system on gas turbine unit's economy[J]. Thermal power generation, 2014, 43(3): 5-8. DOI：

摘要

阐述了加装基于余热利用的燃气轮机(燃机)进气冷却系统后

燃机进气温度对机组经济性影响的理论模型

并结合实际案例进行了计算分析。结果表明

随着燃机进气温度的降低

机组出力逐渐增大;当进气温度降至露点以下时

大量的冷量将用于空气的除湿

使系统造价急剧上升

项目投资收益比大幅下降。建议空气湿度较高地区的燃机在加装进气冷却系统时

应结合除湿手段进行空气脱水预处理。

Abstract

The output of gas turbine generator can be effectively improved through cooling the inlet air

especially at high ambient temperature.Theoretical model of the effect of inlet air temperature on unit economy was presented

and corresponding calculation was conducted combining with an engineering case.The results show that

the unit output gradually increases as the inlet air temperature decreases.The system construction cost will rise sharply due to the air dehumidification when the inlet air temperature drops below the dew point

so the cost effectiveness goes worse. Therefore

it suggests that the inlet air dehydration pretreatment should be carried out before installation of inlet air cooling system particularly in coastal areas with high air humidity.

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HU Ya-cai2

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