水力系统模型的仿真比较研究
首发时间:2009-03-13
摘要:本文介绍了不同复杂程度的水力系统模型,对水机电系统进行整体建模,通过对单机带负荷系统进行了负荷扰动仿真,分析比较了两种水击模型和两种水轮机模型间的区别;对单机无穷大系统进行了短路故障大扰动仿真,比较了水击模型、水轮机模型及水力系统模型对电力系统动态特性影响的区别。
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Simulation and Comparation of Hydraulic System Model
Abstract:Hydraulic system models of various complexity have been introduced in this paper, basing on these models, the united model of hydraulic-mechanical-electric system is established. Then, through the load disturbance simulation of the single machine with rated load system, comparations between two water hammer model and two hydro turbine model have been made ; the difference of the effects of water hammer model, the hydro turbine model and the hydraulic system model on power system dynamic characteristic is also compared and analyzed after the simulation in OMIB system for short-circuit fault.
Keywords: model simulation large disturbance dynamic characteristic
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