摘要
采用分区与集总参数结合的方式对蒸汽发生器进行机理分析,建立了一个三输入二输出的动态机理模型,将其转化为基于状态空间的非线性动态模型并做出仿真分析,提供了一个较为完整的建模方式以及模型的处理办法。结果表明:所建立的模型具有结构全面、完整、精确的特点,与理论分析一致,有利于蒸汽发生器水位控制的进一步研究。
A three-input two-output dynamic model was established for a steam generator, based on mechanism analysis of the generator using the method of partition combined with lumped parameters. The mechanism model was then transformed into a nonlinear dynamic one based on state space, with which numerical simulations were conducted, thus to provide a relatively complete way of model building and treatment. Results show that the model developed has a complete structure, with high accuracy, agreeing well with theoretical analysis, which is helpful for further study on water level control of steam generators.
作者
魏志伟
王明春
张雨飞
王馥郁
耿健
Wei Zhiwei;Wang Mingchun;Zhang Yufei;Wang Fuyu;Geng Jian(School of Energy and Environment,Southeast University,Nanjing 210096,China)
出处
《发电设备》
2018年第4期261-267,共7页
Power Equipment
关键词
蒸汽发生器
机理模型
非线性
动态分析
steam generator
mechanism model
nonlinearity
dynamic analysis
