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Analysis of typical control strategy for supercritical power generation units
Author(s): 
Pages: 82-85
Year: Issue:  3
Journal: ELECTRIC POWER

Keyword:  超临界机组直流炉协调控制系统一次调频控制策略;
Abstract: 对超临界机组典型系统的控制策略进行分析,重点介绍超临界机组在协调控制策略上的改进之处,即选择合适的锅炉和汽轮机之间功率平衡信号、合理采用并行前馈控制技术、应用锅炉动态加速指令信号、引入非线性元件、引入汽轮机压力校正及实发功率修正系数.分别对给水、汽温调节及一次调频的控制策略进行介绍,认为在超临界机组控制系统设计中,只要统筹兼顾各子系统间的配合,采用改进的技术,就能满足超临界机组控制中负荷适应性与运行稳定性的要求.
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