International Journal of Energy and Sustainable Development
Articles Information
International Journal of Energy and Sustainable Development, Vol.3, No.2, Jun. 2018, Pub. Date: Aug. 31, 2018
Analysis of the Effects of Voltage Unbalance on Three-Phase Induction Motors
Pages: 29-37 Views: 1406 Downloads: 1019
Authors
[01] Marcio Zamboti Fortes, Electrical Engineering Department, Fluminense Federal University, Niterói, Brazil.
[02] Leandro Braz de Sousa, Electrical Engineering Department, Fluminense Federal University, Niterói, Brazil.
[03] Guilherme Moreira Quintanilha, Electrical Engineering Department, Fluminense Federal University, Niterói, Brazil.
[04] Carlos Edilson Santana, Electrical Engineering Department, Fluminense Federal University, Niterói, Brazil.
[05] Henrique de Oliveira Henriques, Electrical Engineering Department, Fluminense Federal University, Niterói, Brazil.
Abstract
The 3-phase induction motors are widely used in mechanical load drive in residential, commercial and especially industrial facilities, where the motor is subject to have a number of malfunctions generated by the power supply. Thus, it becomes crucial to conduct studies that monitor their performance, monitoring the negative impacts generated. This article aims mainly at showing the 3-phase induction motor behavior when subjected to the effects of unbalance on the power supply voltage. It was developed the system architecture for four different experiments in order to make measurements using a power analyzer. For all the experiments a ramp time is adjusted through a soft starter drive (SS) and after that the motor is split. As soon it gets to permanent regime the motor receives power through adjustments of the dynamometer brake voltage and soon after that an unbalance voltage is forced among the phases with the help of a rheostat, in order to analyze the effect on the power factor as well as on the harmonics.
Keywords
Induction Motors, Voltage Unbalance, Power Quality
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