Invertibility Conditions for the Admittance Matrices of Balanced Power Systems
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Publication:6355513
arXiv2012.04087MaRDI QIDQ6355513
Author name not available (Why is that?)
Publication date: 7 December 2020
Abstract: The admittance matrix encodes the network topology and electrical parameters of a power system in order to relate the current injection and voltage phasors. Since admittance matrices are central to many power engineering analyses, their characteristics are important subjects of theoretical studies. This paper focuses on the key characteristic of emph{invertibility}. Previous literature has presented an invertibility condition for admittance matrices. This paper first identifies and fixes a technical issue in the proof of this previously presented invertibility condition. This paper then extends this previous work by deriving new conditions that are applicable to a broader class of systems with lossless branches and transformers with off-nominal tap ratios.
Has companion code repository: https://github.com/djturizo/ybus-inv-check
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