基于Matlab/Simulink的低功率汽轮发电机组系统仿真研究

针对一种低功率汽轮发电机组进行仿真研究，建立了汽轮机、发电机、冷凝器等设备以及水和水蒸汽热力计算的数学模型，建模以单通道、一维集总参数模型为基础，仿真模型的建立基于Matlab7．0／Simulink6．0。针对汽轮机甩负荷、冷凝器常见故障以及外部蒸汽机动性变化时汽发电机组的准稳态特性进行了仿真计算。计算结果表明，所得到的结论基本符合理论分析及现有的科技资料。论文的目的是希望建立一个能够描述低功率汽轮发电机组基本热力特性的仿真模型，展开系统的准稳态及动态特性等基础性研究工作，为热力系统的定量化设计提供分析手段。

Simulation of Low-power Turbo-generator Set Based on Matlab/Simulink

This paper studies on a simulation for the Low-power turbo-generator set and on the basis of the single dimension and lump parameter, the steam turbine model, condenser model, water and steam calculation model are set up. The simulation model is established based on Matlab7.0/Simulink6.0. Simulation calculation is carried out based on the following conditions such as load throw off, failure of condenser and the quasi-stable state characteristics of low-power turbo-generator set when the steam parameters outside changed. The calculation results show that the conclusion approaches to the theoretical analysis and the existing data. The aim is to build a simulation model which can describe the basic characteristics of low-power turbo-generator set, and research the dynamic and quasi-stable state characteristics, and provide an analyzing method for the quantification design of thermodynamic system.