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Investigation of under frequency load shedding on an isolated system
Author(s): 
Pages: 29-33,52
Year: Issue:  3
Journal: Relay

Abstract: 对某一实际系统形成孤岛后的频率、电压动态和低频减载方案进行了时域仿真研究.研究了低频减载方案的设计,分析了传统的低频减载方案和两种新的半适应与自适应低频减载方案.利用PSS/E建立了该实际系统模型及上述各种低频减载模型.仿真研究了有功功率缺额扰动时的频率、电压动态特性和各种减载方案的性能,分析了影响各方案性能的主要因素,提出了改进策略.仿真研究表明该系统成为孤岛后维持频率和电压稳定的能力很低,设计...
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