Influence of heater on heat consumption rate of an ultra supercritical 1 000 MW unit steam turbine

YANG Yu; FAN Shiwang; JIANG Jun; YANG Jiandao

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Influence of heater on heat consumption rate of an ultra supercritical 1 000 MW unit steam turbine

Thermal Power Generation Issue 4, (2016)

更新时间：2025-09-28

- Influence of heater on heat consumption rate of an ultra supercritical 1 000 MW unit steam turbine
- 作者机构：
  
  1. 上海发电设备成套设计研究院,上海,200240
  2. 上海汽轮机厂有限公司,上海,200240
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK262
- Published Online：15 May 2016，
  
  Published：2016
- 稿件说明：
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YANG Yu, FAN Shiwang, JIANG Jun, et al. Influence of heater on heat consumption rate of an ultra supercritical 1 000 MW unit steam turbine[J]. Thermal Power Generation, 2016, (4).
DOI：

YANG Yu, FAN Shiwang, JIANG Jun, et al. Influence of heater on heat consumption rate of an ultra supercritical 1 000 MW unit steam turbine[J]. Thermal Power Generation, 2016, (4). DOI：

摘要

采用能级效率法对配置梯次循环(echelon cycle

EC)的超超临界1 000 MW机组中各级加热器的能量损失进行解耦分析。通过引入加热器的热耗率影响因子

获得额定工况(THA)

75％ THA和50％ THA 3种工况下各级加热器对降低热力系统热耗率的影响和变化规律。结果表明:在相同工况下

各级加热器对于降低热力系统热耗率的贡献从低压级向高压级逐级递减

因此

通过增加高压加热器级数来增加系统热效率的效果会越来越小。本文分析方法和结果可以为EC热力系统的设计、优化和推广应用提供参考。

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Related Author

YANG Yu

XIA Xiaohua

JIANG Jun

PEI Dongsheng

BAO Weiwei

LIU Shilei

WU Tao

CHU Mo

Related Institution

Shanghai Power Generation Equipment Complete Design and Research Institute

Shanghai Turbine Works Co., Ltd

西安热工研究院有限公司

哈尔滨汽轮机厂有限责任公司

华能苏州热电有限责任公司

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