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Function of HVDC damping modulation in large scale AC/DC power systems
Author(s): MAO Xiao-ming, ZHANG Yao
Pages: 25-
29
Year: 2007
Issue:
4
Journal: ELECTRIC POWER
Keyword: 交直流电力系统; 直流调制; 低频振荡;
Abstract: 采用一种暂态能量函数,剖析直流阻尼调制抑制低频振荡的机理.基于留数,指出制约直流调制效果的关键因素,对直流调制在交直流电力系统中的运行特性进行分析,认为采用广域信号可以提高直流调制对区间振荡的抑制效果.以我国第1个交直流混合电网--南方电网为背景,验证理论分析的正确性.在此基础上,对直流阻尼调制在大规模交直流电网中的作用进行总结.
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