The reduction of computer time in small-signal stability analysis in power systems : with clustering technique

전력계통의 미소신호 안정도 해석에서 계산시간 단축에 관한 연구 : 크러스터링 기법에 대하여

This paper represents how to reduce the computer time in small signal stability analysis by selecting the dominant oscillation modes with frequency of 0.5 to 1.2 Hz using the clustering technique. Clustering technique links the buses which are expected to be similar with zero-impedance lines and the voltage variations of these buses are regarded to be identical. The computer time was reduced remarkably with this technique and the effect of clustering will be powerful in the analysis of large-scale power systems.