山东电网励磁系统模型参数确认试验的分析

励磁系统在电力系统的规划与控制领域有着非常重要的作用, 精确的模型结构与参数是选择有效控制手段和整个电力系统仿真准确性的基础, 励磁系统模型参数确认试验是励磁系统建模的一个重要环节。在介绍励磁系统模型参数确认现场试验方案的基础上, 对发电机空载特性、时间常数、AVR 比例增益、励磁机空负载特性以及无功补偿度等参数进行了简单的理论分析, 得出了各参数的计算公式。

Analysis of Excitation System Model Parameters Validation Test of Shandong Power Grid

Excitation system plays a very important role in electric power system planning and control.Precise model and parameters are the foundation of effective control measure selection and accurate simulation of entire power system.Validation test of model parameters is a vital link of excitation system modeling.On the basis of on-situ model parameter validation test plan introduction,simple theoretical analyses of generator idle load character,time constant,AVR proportional gain,exciter idle load character,and reactive power compensation,etc.,are performed,and formulas for each parameter are derived.