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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) TELKOMNIKA (Telecommunication Computing Electronics and Control)
Yeison Alberto Garcés Gómez
Universidad Católica de Manizales
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Journal : International Journal of Electrical and Computer Engineering

 1 
Parameter estimation of three-phase linear induction motor by a DSP-based electric-drives system Nicolás Toro García; Yeison Alberto Garcés Gómez; Fredy Edimer Hoyos Velasco
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 1: February 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (971.922 KB) | DOI: 10.11591/ijece.v10i1.pp626-636

Abstract

This work describes a method to characterize a three-phase linear induction motor in order to determine the various parameters used in its per-phase equivalent circuit by a DSP-based electric-drives system. In LIM (Linear Induction Motor), the air gap is very large compared with the RIMs (Rotary Induction Motors). Further, the secondary part normally does not have slotted structure. It is just made of aluminum and steel plates. Therefore, the effective air gap is larger than the physical air gap. High air gap makes a larger leakage inductance. It leads to lower efficiency and lower power factor. DC resistance test will be done to determine the value of Rs. The primary Inductance Ls will be calculated by running the LIM at synchronous speed. The secondary parameters i.e. Llr and Rr′ will be calculated by blocked-mover test. The experiment for no load test is shown and include a DC motor coupled to the LIM under test. Two methods to calculate the secondary parameters are described.
Unit vector template generator applied to a new control algorithm for an UPQC with instantaneous power tensor formulation, a simulation case study Yeison Alberto Garcés Gómez; Nicolás Toro García; Fredy Edimer Hoyos
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 4: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (857.198 KB) | DOI: 10.11591/ijece.v10i4.pp3889-3897

Abstract

In this paper we present a new algorithm to generate the reference signals to control the series and parallel power inverters in an unified power quality conditioner “UPQC” to enhance power quality. The algorithm is based in the instantaneous power tensor formulation which it is obtained by the dyadic product between the instantaneous vectors of voltage and current in n-phase systems. The perfect harmonic cancelation algorithm “PHC” to estimate the current reference in a shunt active power filter was modified to make it hardy to voltage sags through unit vector template generation “UVGT” while from the same algorithm it extracts the voltage reference for series active power filter. The model was validated by mean of simulations in Matlab-Simulink®.
Co-Authors César Benavides Fredy E. Hoyos Velasco Fredy Edimer Hoyos Fredy Edimer Hoyos Fredy Edimer Hoyos Velasco John E. Candelo-Becerra Nicolás Toro García Nicolás Toro García Nicolás Toro García Sebastian Pacheco Vladimir Henao Céspedes