负荷模型对电力系统混合仿真误差的影响  

Impact of load model on the error of power system hybrid simulation

作　　者：杨俊新[1] 马进[1] 

机构地区：[1]华北电力大学电气与电子工程学院,北京102206

出　　处：《华北电力大学学报（自然科学版）》2010年第2期38-42,共5页Journal of North China Electric Power University：Natural Science Edition

摘　　要：电力系统仿真的准确度直接关系到系统的安全经济运行,其中负荷模型对仿真结果有显著的影响。大型电力系统仿真软件PSS/E所具有的高度模块化的结构,以及其模型库中所提供的丰富的设备模型,特别是其自带的二次开发语言IPLAN使得它能够完成各种各样的仿真任务。基于PSS/E,用接地时变导纳的动态等值方法对系统进行混合仿真,即注入实测数据代替某部分电网,发现采用不同的负荷模型对混合仿真误差有很大的影响,最后分析了原因。Power system simulation accuracy is directly related to the security and economic of system operation. As an element of the simulation, load model affects the result greatly. Large - scale power system simulation software PSS/E （Power System Simulator for Engineering） has a highly modular structure, as well as many equipment models provided by model library, in particular, its own language of the second development IPLAN make it to complete a variety of simulation tasks. In this paper, based on PSS/E, use the dynamic equivalent method - grounded time - varing admittance to implement hybrid simulation, that is, with the injected measured data in place of part of the power grid. It＇ s found that different load models have a great impact on the hybrid simulation error, and finally ana- lyzed the reason.

关 键 词：PSS/E 变导纳 电力系统混合仿真 负荷模型 

分 类 号：TM714[电气工程—电力系统及自动化]