1 000 MW超超临界二次再热机组一次调频方式分析

doi:10.11930/j.issn.1004-9649.201708148

中国电力 ›› 2018, Vol. 51 ›› Issue (2): 169-175.DOI: 10.11930/j.issn.1004-9649.201708148

1 000 MW超超临界二次再热机组一次调频方式分析

徐星, 谭锐, 李永生, 蔡培, 黄启龙, 马晓峰

国电科学技术研究院, 江苏南京 210046

收稿日期:2017-09-07 修回日期:2017-11-29 出版日期:2018-02-05 发布日期:2018-02-11
作者简介:徐星(1985—),男,江苏海安人,高级工程师,从事汽轮发电机组诊断、节能及运行优化研究,E-mail:xuxing1216@163.com。
基金资助:
中国国电集团公司科技项目（D2017Y008）。

Analysis on Primary Frequency Regulation of 1 000-MW Double-Reheat Ultra-Supercritical Units

XU Xing, TAN Rui, LI Yongsheng, CAI Pei, HUANG Qilong, MA Xiaofeng

Guodian Science and Technology Research Institute, Nanjing 210046, China

Received:2017-09-07 Revised:2017-11-29 Online:2018-02-05 Published:2018-02-11
Supported by:
This work is supported by Science and Technology Project of China Guodian Corporation (No.D2017Y008).

摘要/Abstract

摘要： 通过分析1 000 MW超超临界二次再热机组一次调频的性能状况，从机炉特性、控制策略和运行方式阐述影响二次再热机组一次调频响应的主要因素，计算评估1000MW超超临界二次再热机组采用主蒸汽调节阀节流的调频方式对机组煤耗指标的影响，在分析主蒸汽调节阀节流调频、凝结水调频和给水调频可行性的基础上，探讨提升1000MW超超临界二次再热机组一次调频能力的方法，为今后超超临界二次再热机组设计运行提供参考。

关键词: 超超临界二次再热机组, 一次调频, 供电煤耗, 补汽调节阀

Abstract: In this paper, through the analysis on the primary frequency regulation performance of 1 000-MW double-reheat ultra-supercritical units, the major factors affecting the primary frequency response of double-reheat units are expounded from the aspects of furnace characteristics, control strategies and operation modes. Moreover, the impact of frequency modulation on the unit coal consumption rate using main steam regulating valve throttling is evaluated for a 1 000-MW ultra-supercritical double-reheat unit. Based on the feasibility analysis of throttling frequency modulation, condensate frequency modulation and feed water frequency modulation, the method to improve the primary frequency regulation capability of 1 000-MW ultra-supercritical double-reheat units is discussed in order to provide reference for the design and operation of the double-reheat units in the future.

Key words: ultra-supercritical double-reheat unit, primary frequency regulation, net coal consumption rate, overload valve

中图分类号:

TK267

徐星, 谭锐, 李永生, 蔡培, 黄启龙, 马晓峰. 1 000 MW超超临界二次再热机组一次调频方式分析[J]. 中国电力, 2018, 51(2): 169-175.

XU Xing, TAN Rui, LI Yongsheng, CAI Pei, HUANG Qilong, MA Xiaofeng. Analysis on Primary Frequency Regulation of 1 000-MW Double-Reheat Ultra-Supercritical Units[J]. Electric Power, 2018, 51(2): 169-175.

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https://www.electricpower.com.cn/CN/Y2018/V51/I2/169

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1 000 MW超超临界二次再热机组一次调频方式分析

Analysis on Primary Frequency Regulation of 1 000-MW Double-Reheat Ultra-Supercritical Units

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1 000 MW超超临界二次再热机组一次调频方式分析

Analysis on Primary Frequency Regulation of 1 000-MW Double-Reheat Ultra-Supercritical Units

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