| 大型燃煤发电机组煤质实时校正方法 |
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| 引用本文： | 杨婷婷,曾德良,王玮,刘继伟,刘吉臻.大型燃煤发电机组煤质实时校正方法[J].电站系统工程,2010,26(5). |
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| 作者姓名： | 杨婷婷 曾德良 王玮 刘继伟 刘吉臻 |
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| 作者单位： | 华北电力大学 |
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| 基金项目： | 国家863计划资助项目 |
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| 摘 要： | 大型火电机组目前面临着煤质多变的问题,煤质的大范围实时变化会影响锅炉燃烧控制系统的稳定性和经济性。提出了一种实时的煤质校正方法,通过定义煤质做功能力系数来构造煤质校正系数,引入燃料控制系统,实时修正入炉燃料测量值,改善控制系统动态品质。方法采用负荷、燃料量和发电煤耗等参数进行实时计算,简单易行,便于组态。通过数据验证和控制仿真验证了煤质校正的准确性和有效性。
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| 关 键 词： | 发电机组 煤质校正 煤质做功能力系数 |
Real-time Coal Quality Correction Method for Large Coal-fired Power Unit |
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| YANG Ting-ting,ZENG De-liang,WANG Wei,LIU Ji-wei,LIU Ji-zhen.Real-time Coal Quality Correction Method for Large Coal-fired Power Unit[J].Power System Engineering,2010,26(5). |
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| Authors: | YANG Ting-ting ZENG De-liang WANG Wei LIU Ji-wei LIU Ji-zhen |
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| Affiliation: | YANG Ting-ting,ZENG De-liang,WANG Wei,LIU Ji-wei,LIU Ji-zhen |
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| Abstract: | Now coal quality varies often in large coal-fired power unit and real-time change of coal quality in large range affects stability and economy of boiler combustion control system.A new real-time coal quality correction method is proposed in this paper.Power capability coefficient of coal is defined and based on it coal quality correction coefficient is induced.By introducing coal quality correction coefficient to fuel control system,fuel quantity is real-time corrected and dynamic performance is improved.Th... |
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| Keywords: | power unit coal quality correction power capability coefficient of coal |
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