The Inherent Structure Theory of Network for power quality issues
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The Inherent Structure Theory of Network is a valuable tool to solve power quality problems. In fact, in the frame of this theory, the direct or inverse sequence impedance matrix at the fundamental frequency or the harmonic impedance matrices can be formulated in terms of their eigenvalues and eigenvectors; these expansions are useful to create a framework in which the power system response to power quality disturbances can be better understood. In this paper, after briefly outlining the theoretical background, the above theory is applied to solve some power quality problems, evidencing when the proposed tool can be more useful and what are the benefits deriving from its application. Numerical applications on a test system are presented and discussed to give evidence of the significance and potentiality of this new tool.
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