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Nonlinear control strategy for improving the transient stability of sending ends multi-feed HVDC system
Pages: 7-12
Year: Issue:  15
Journal: Relay

Abstract: 为改善送端多直流落点系统暂态稳定性,提出了一种高压直流输电(HVDC)与发电机励磁协调的非线性控制策略.通过建立送端多直流落点系统非线性微分代数方程模型,将结构保持模型下的能量函数与广义拟Hamil ton理论结合,同时兼顾发电机励磁与HVDC控制的协同作用,设计出一种HVDC与发电机励磁的综合控制规律.该方法从能量的角度出发,充分考虑电力系统的强非线性特性,而且得到的控制器结构简单,易于工程实现...
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