By using test signal method, the sub-synchronous electrical damping characteristics of a generator and the impacts of the designed SEDC on the generators electrical damping are analyzed.
采用测试信号法，通过计算发电机组的次同步电气阻尼特性，分析所设计的SEDC对发电机组次同步振荡的抑制效果。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The main research work includes analysis based on frequency domain sub-average energy interception method of damping identification method, and were tested and compared to the analysis;
本文的主要研究工作包括基于频域分析的分段截取平均能量法阻尼识别方法的研究，并进行了试验验证和比对分析；
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