火电燃煤机组大频差一次调频性能研究与优化实施

doi:10.11930/j.issn.1004-9649.2017.04.106.07

中国电力 ›› 2017, Vol. 50 ›› Issue (4): 106-112.DOI: 10.11930/j.issn.1004-9649.2017.04.106.07

火电燃煤机组大频差一次调频性能研究与优化实施

归一数¹, 沈丛奇¹, 陈欢乐¹, 程际云¹, 王念龙¹, 唐龙胜², 刘刚³, 陈元良⁴

1. 上海明华电力技术工程有限公司,上海 200437；
2. 淮浙煤电有限责任公司凤台电厂,安徽淮南 232200；
3. 安徽淮南平圩发电有限责任公司,安徽淮南 232000；
4. 上海吴泾第二发电有限责任公司,上海 200241

收稿日期:2016-06-02 出版日期:2017-04-20 发布日期:2017-04-13
作者简介:归一数（1971-）,男,江苏苏州人,高级工程师,从事电站热控自动化研究。E-mail: guiys@mhdlshanghaipower.com

Research and Optimization on Primary Frequency Regulation Characteristics with Large Frequency Deviation for Coal-Fired Power Plants

GUI Yishu¹, SHEN Congqi¹, CHEN Huanle¹, CHENG Jiyun¹, WANG Nianlong¹, TANG Longsheng², LIU Gang³, CHEN Yuanliang⁴

1. Shanghai MingHua Electric Power Technology & Engineering Co. LTD., Shanghai 200437, China;
2. Fengtai Power Plant of Huaizhe Coal & Power Co. LTD., Huainan 232200, China;
3. Pingwei Electric Power Co. LTD., Huainan 232000, China;
4. Shanghai Wujing No.2 Power Generation Co. LTD., Shanghai 200241, China

Received:2016-06-02 Online:2017-04-20 Published:2017-04-13

摘要/Abstract

摘要： 通过对两起电网直流故障事件的分析,发现火电燃煤机组一次调频动态响应特性普遍不佳,电网大频差与中小频差特性完全不同。在对电网大频差模型辨识的基础上,优化机组一次调频控制策略,实施大频差试验,分析梳理试验结果,评估机组各工况点风险,对火电燃煤机组大频差一次调频性能进行全面客观评价,借此在确保机组安全运行前提下,有效提升一次调频性能,最终达到网源双赢的目的。

关键词: 燃煤发电机组, 大频差, 一次调频, 模型辨识, 控制策略, 优化, 风险评估

Abstract: Through the analysis on two DC power transmission line faults, it is discovered that the characteristics of the dynamic response of coal-fired power plants to primary frequency regulation are generally poor, and the dynamic characteristics of large frequency deviation are completely different from those of small or medium frequency deviation of the power grid. Based on the identification of large frequency deviation model, the primary frequency regulation strategy is optimized, and the experiments of large frequency deviation are conducted with the results being analyzed to estimate the risks of the loading conditions and evaluate the performance of the primary frequency regulation with large frequency deviation for coal-fired power plants so as to effectively improve the primary frequency regulation performance on the premise of ensuring the unit safe operation, which benefits both the power grid and the generating units.

Key words: coal-fired power generation unit, large frequency deviation, primary frequency regulation, model identification, control strategy, optimization, risk evaluation

中图分类号:

TM621

归一数, 沈丛奇, 陈欢乐, 程际云, 王念龙, 唐龙胜, 刘刚, 陈元良. 火电燃煤机组大频差一次调频性能研究与优化实施[J]. 中国电力, 2017, 50(4): 106-112.

GUI Yishu, SHEN Congqi, CHEN Huanle, CHENG Jiyun, WANG Nianlong, TANG Longsheng, LIU Gang, CHEN Yuanliang. Research and Optimization on Primary Frequency Regulation Characteristics with Large Frequency Deviation for Coal-Fired Power Plants[J]. Electric Power, 2017, 50(4): 106-112.

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https://www.electricpower.com.cn/CN/Y2017/V50/I4/106

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火电燃煤机组大频差一次调频性能研究与优化实施

Research and Optimization on Primary Frequency Regulation Characteristics with Large Frequency Deviation for Coal-Fired Power Plants

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火电燃煤机组大频差一次调频性能研究与优化实施

Research and Optimization on Primary Frequency Regulation Characteristics with Large Frequency Deviation for Coal-Fired Power Plants

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