节点文献

互联电网仿真系统的改进研究

Research on Improvement of Interconnected Power Grids Simulation

【作者】 叶立兆

【导师】 李卫东;

【作者基本信息】 大连理工大学 , 电力系统及其自动化, 2007, 硕士

【摘要】 本文阐述了互联电网的概念,介绍了互联电网的频率控制以及互联电网控制性能的评价标准:A标准和CPS标准,介绍了他们的具体应用及计算方法。对CPS标准进行了深入的分析和研究,也探讨了CPS标准对各控制区域的要求。北美电力可靠性委员会于1997年推出了新的控制性能评价标准CPS1和CPS2用于取代原有的A系列标准,并于1998年实行了该控制性能评价标准。我国华东和福建电网于2001年开始试用CPS标准作为评价办法。目前我国电网仍广泛采用由A系列标准为蓝本而修改得到的标准,因电网在管理体制、AGC控制模式、电网结构、设备与通信自动化水平等方面有别于北美电网,将CPS标准在我国直接或简单修改后套用存在诸多问题。无论是为了深入剖析CPS标准,还是从研究一种适用于我国的新标准来看,都需要一个真实、可靠、高效的仿真的平台,本文详细分析了专门供评价体系研究的一个仿真系统。介绍了国内外各种主要的电力系统仿真软件。不同的仿真软件,都有各自不同的适用对象和应用范围。基于本文仿真系统的研究宗旨,文中详细介绍了MATLAB软件及其内部仿真程序simulink。分析了基于simulink的仿真系统中的各个模块,如原动机模块、调速器模块、联络线模块等等,阐述了建立这些模块的方法,以及各个模块在仿真系统中的作用。根据实际的互联电网的情况,详细讨论分析了发电机组与母线之间的联结方式,再进行网络等值变换,建立了相应联结情况的仿真模型,使得整个仿真更加准确地反映真实的互联电网情况,为进一步的研究提供了更加可靠的基础平台。

【Abstract】 This paper expounds the conception of interconnected power grids, introduces thefrequency control and control performance standards: A standards and CPS standards.Andalso,this paper introduces their applications and compute methods.The CPS standards areresearched deeply,the demands of CPS standards to control areas are also studied.The North America Electric Reliable Council (NERC) designed control performancestandards CPS1 and CPS2 to replace Criteria A1 and A2 in 1997. Control areas are expectedto be in compliance with CPS standards since 1998. The standards are tried firstly in EastChina Power Grid and FuJian province in 2001. We still adopt modified Criteria A serieswidely. Since the grids condition are distinct in many aspects such as managing system, AGCcontrol mode, grids structure and so on, there are something matter with putting the CPS onthe Chinese grids without profound understanding. For going deep into CPS and studying ona suitable performance standard in our country, an efficient tool is badly in need.The paper introduces some main kinds of power system simulation soft. Different softhave different application areas.Based on the research tenet of the paper, the MATLAB andSIMULINK in it are introduced detailed.The paper analysis all the models in the simulation system based on SIMULINK, such asgenerator, governor,tie-line,and so on. The methods to build these models and the function ofthese models in the system are also expounded.According to the actual condition of interconnected power grids, this paper analysiscoupling mode between generator and generatrix, then makes equivalent transform,makesrevelant models,makes the entire simulation system more exactly reflect the actual situationof interconnected power grids,provides a more reliable platform for further research.

【关键词】 仿真互联电网MATLAB联络线
【Key words】 SimulationInterconnected Power GridsMATLABTie-line
  • 【分类号】TP391.9
  • 【被引频次】3
  • 【下载频次】159
节点文献中: 

本文链接的文献网络图示:

本文的引文网络