Author : Keerti Kulkarni and Vinay Janardhan Shetty

This paper describes power quality audit conducted at SDM College of Medical Sciences & Hospital, Dharwad, Karnataka, India. Voltage, current, THD(total harmonic distortion) and power were measured at various points in order to analyze the power quality. The main power quality problem found was unbalanced load, non zero neutral current, and THD with reference to IEEE-519 standards as applied for the hospital cases. The study serve as an awareness for the importance of power quality in sensitive equipment found at hospitals. Recommendations have been suggested in order to mitigate the power quality issues.

Keywords: Power quality, Total harmonic distortion, Unbalanced loads, neutral current, filters.

Article published in International Journal of Current  Engineering  and Technology, Vol.4,No.3 (June- 2014)