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Optimization Scheme and Analysis of Water Feeding Mode during Start-up of 300 MW Generating Unit
Author(s): 
Pages: 47-50
Year: Issue:  5
Journal: ELECTRICAL EQUIPMENT

Keyword:  发电厂汽轮机给水泵上水方式优化方案;
Abstract: 十里泉发电厂300MW机组的传统上水方式采用电动给水泵作启动工作泵,机组负荷大于90 MW时投入汽动给水泵,当负荷大于150 MW时电动泵退出运行作备用泵.通过运行实践表明,这种启动方式存在可靠性低、厂用电率高等问题.文章旨在探讨一种安全、经济、合理的给水泵运行方式,提出了一种机组冷态启动无需凝结水泵、电泵启动,热态启动无电泵上水优化方案,及具体实施情况.分析表明:采用此种工作方案提高了机组启动过程中的安全性和经济性.
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