Estimación de Estado Armónico en un Sistema de Distribución Radial con Generación Distribuida
(Harmonic State Estimation on a Radial Distribution System with Distributed Generation)
Diego Ferreyra (firstname.lastname@example.org), Carina Sarmiento (email@example.com), Claudio Reineri (firstname.lastname@example.org)
Universidad Tecnológica Nacional (UTN), Regional San Francisco
This paper appears in: Revista IEEE América Latina
Publication Date: Feb. 2013
Volume: 11, Issue: 1
In the present work, a state estimation technique is
applied to calculate the amplitudes and phase angles of the
harmonic currents injected at the buses of a power distribution
system. To this effect, the model of a 50-Hz 13.2-kV 4-bus radial
system is used. The grid (source) and a generator are connected at
opposite ends of the system, following a configuration known as
distributed generation, which is becoming quite usual nowadays.
In this particular implementation, the nodal harmonic voltages
are presented as the state variables instead of the harmonic
currents. This follows the same structure as a traditional
fundamental frequency state estimation. As a further step, the
injected harmonic currents are calculated from the corresponding
injected powers and nodal voltages.
Harmonic distortion, State estimation, Power distribution, Power system harmonics
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