Revised Sequence Components Power System Models for Unbalanced Power System Studies

M. Abdel-Akher, K.M. Nor, and A.H.A. Rashid (Malaysia)

Keywords

Power system modeling, symmetrical components, phase coordinates, threephase powerflow methods

Abstract

1 The objective of this paper is to present a revised sequence decoupled power system models for analyzing unbalanced power systems based on symmetrical networks. In these models, the three sequence networks are fully decoupled with a three-phase coordinates features such as transformer phase shifts and transmission line coupling. The proposed models have been utilized to develop unbalanced power-flow program for analyzing both balanced and unbalanced networks. The power flow solution is identical to results obtained from a full phase coordinate three-phase power-flow program.

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