发电机励磁系统参数对系统动态电压恢复的影响分析  

Analysis on Influence on System Dynamic Voltage Recovery by Parameters of Generator Excitation System

作　　者：李晓明[1] 黄大为[1] 于娜[1] 

机构地区：[1]东北电力大学电气工程学院,吉林吉林132012

出　　处：《广东电力》2015年第10期42-46,共5页Guangdong Electric Power

基　　金：国家自然科学基金资助项目(51307019)

摘　　要：分析建立了适用于电力系统动态稳定分析的发电机及其励磁系统的理论模型,在此基础上研究了发电机励磁系统中励磁调节器放大倍数和励磁电压顶值对发电机动态无功输出的影响和作用机理。通过PSD-BPA软件对2013年广东电网实际运行方式下存在的故障进行仿真分析,验证了调节发电机励磁系统相关参数能够增加故障后发电机的动态无功输出,改善母线电压恢复效果,提升系统动态电压稳定性。Theoretical model of generator and its excitation system for power system dynamic stability analysis was analyzed and established. Influence and effect mechanism on generator dynamic reactive power output by enlargement factor of exci- tation adjuster and top value of excitation voltage was studied. PSD-BPA software was used for simulation analysis on faults in practical operation of Guangdong power grid in 2013 which verified that relevant parameters of excitation system of adjus- ting generator could increase dynamic reactive power output of the generator after faults, improve voltage recovery effect of the busbar and promote system dynamic voltage stability.

关 键 词：发电机及其励磁系统 动态电压稳定 动态无功电源 励磁系统参数 电压恢复 

分 类 号：TM712[电气工程—电力系统及自动化]