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电网技术  2007 

多机系统调速侧电力系统稳定器GPSS的设计

, PP. 54-58

Keywords: 电力系统,低频振荡,电力系统稳定器,调速侧电力系统稳定器,调速系统控制

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Abstract:

低频振荡是一种不利于电力系统安全和稳定运行的现象,而电力系统稳定器(PSS)可以有效抑制低频振荡。由于励磁系统和电力系统运行方式及工况之间的密切关系,致使电力系统中PSS的协调设计和安装地点的选择成了PSS能否用于电力系统的关键。作者设计了一种调速侧电力系统稳定器,其设计原理和传统的PSS一样简单,且具有较好的鲁棒性,同时还具有多机解耦特性,给本机带来阻尼的同时不会给其它机组带来负阻尼,避免了参数协调和安装地点的选择。最后利用算例仿真验证了调速侧电力系统稳定器不仅可以抑制低频振荡,还可以提高电力系统暂态稳定性。

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