Python-based Tool for Inertial Power Flow Studies
Módulo de Software en Lenguaje Python para Estudios de Flujo de Potencia Inercial
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SISTEMAS ELÉCTRICOS DE POTENCIA
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Python-based Tool for Inertial Power Flow Studies. (2023). Revista Técnica "energía", 19(2), PP. 1-9. https://doi.org/10.37116/revistaenergia.v19.n2.2023.556
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Python-based Tool for Inertial Power Flow Studies. (2023). Revista Técnica "energía", 19(2), PP. 1-9. https://doi.org/10.37116/revistaenergia.v19.n2.2023.556
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Nelson Granda
Christian Mancero
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In this work, the mathematical formulation of the "Inertial Power Flow" is presented, which allows finding a new equilibrium point in a power system that is subjected to a disturbance, starting from a given initial condition. The solution method is based on the modification of the Newton-Raphson algorithm for the solution of the power flow problem, incorporating the equations that characterize the action of the generator control systems (speed governor and voltage regulator), and the voltage and frequency dependent load modeling equations. In this way, the frequency deviation of the system, the redistribution of power flows in the network (Distributed Slack), as well as the changes in nodal voltages can be calculated. The software tool is developed in Python language and applied to the IEEE New England system. The results using the software tool are compared with those obtained from the DIgSILENT Power Factory program, where the relative errors are calculated in order to validate the developed tool.
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