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Small or zero impedance branches are a frequent cause of power flow calculation divergence or invalid convergence. This paper presents an approach, by which buses connected by short lines are merged into a single equivalent bus, and the nonlinear system of power flow equations is solved without these lines. After the solution of nonlinear systems of power flow equations is found, power flows through...
Load flow is the most used calculations in power system operation planning. Renewable resources have caused that system operator has to do power flow analysis and/or contingency analysis as fast as possible in order to predict next step in power system control. LU Decomposition of Jacobian matrix remains the most computationally expensive task during Newton–Raphson iterative method. Computational...
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