【摘要】 同步发电机的稳定运行是保障安全、可靠供电的前提。在诸多改善发电机稳定性的措施中 ,提高励磁的控制性能被公认为是最经济有效的措施之一。自并励励磁系统只采用一台励磁变压器 ,是自励系统中接线最简单 ,造价最低廉的一种。自动电压调节器 (AVR)的作用是 :由发电机电压互感器测量出的发电机电压与设定电压值进行比较 ,其偏差值进入AVR的放大部分进行运算 ,再经励磁机功率放大单元对发电机励磁回路进行调节。电力系统稳定器 (PSS)用来解决电力系统低频振荡问题。作者所要讨论的采用AVR PSS控制方式的励磁系统设计主要包括 :1、主回路的设计 2、AVR及PSS的参数设定 3、控制方式更多还原

【Abstract】 The stable working of synchronous generators is a premise to guarantee the power supply safely and reliabely.In many measures of improving generators’ stability,how to increase the control function of excitation is regarded as one of the most economic and efficient way.The self and shunt excitation system only have one excitation transformer,and it is the cheapest and the most simple one.The function of the auto voltage regulator(AVR) is:the remainder we get by comparing the datum with the voltage which is from the potential transformer were operated in the AVR’s enlarging unit,them regulating the excitation current by power enlarging unit according to it.The power system stabilizer(PSS) is used to resolve the problem of low frequent oscillation in power system.We discussing the design of excitation system which adopt the contral way of AVR-PSS include primarily∶1,the design of the main circuit.2,the parameter’s set to AVR and PSS.3,the way of control.更多还原