Analysis of Unbalanced Voltage and its Effects on the Stator Currents of an Induction Motor using the Phase Angle of Complex Voltage Unbalance Factor (CVUF) as an Indicator
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Published:
Feb 18, 2013
Keywords:
motor induction motor unbalanced voltage stator currents phase angle of complex voltage unbalance factor
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Abstract
An analysis of the steady-state currents of an induction motor supplied by unbalanced threephase
voltages is presented. The index of voltage unbalance used in this paper is the complex voltage
unbalance factor (CVUF) that consists of the magnitude and phase angle. In addition to formulation
and discussion of the motor operating characteristics under voltage unbalance, special emphasis is
placed on the effect of the phase angle of CVUF on the motor currents. It is found that the phase
angle of the CVUF is an important factor that determines the variation of currents and the level of
current unbalance.
voltages is presented. The index of voltage unbalance used in this paper is the complex voltage
unbalance factor (CVUF) that consists of the magnitude and phase angle. In addition to formulation
and discussion of the motor operating characteristics under voltage unbalance, special emphasis is
placed on the effect of the phase angle of CVUF on the motor currents. It is found that the phase
angle of the CVUF is an important factor that determines the variation of currents and the level of
current unbalance.
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How to Cite
Sa-ngiamsak, T., & Prisuwanna, P. (2013). Analysis of Unbalanced Voltage and its Effects on the Stator Currents of an Induction Motor using the Phase Angle of Complex Voltage Unbalance Factor (CVUF) as an Indicator. Engineering and Applied Science Research, 33(2), 141–154. Retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/5987
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ORIGINAL RESEARCH
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