Automatic Power Factor Compensation for Industrial Power Use to Minimize Penalty

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Automatic Power Factor Compensation for Industrial Power Use to Minimize Penalty

Automatic Power Factor Compensation for  Industrial Power Use to Minimize Penalty

Prof. Payal Burande1,
Sachin Dahikar2, Saurav Jamnik3, Chaitali Khairnar4, Prasad Patil5

Dr. D Y Patil Institute of Engineering and Technology, Ambi, Pune.

 

ABSTRACT
This project is designed to minimize penalty for industrial units using automatic power factor correction unit. The  micro  controller  used  in this project  belongs  to 8051  family. In this proposed system, two zero crossing detectors are used for detecting  zero  crossing  of voltage and current.  The  time  lag  between the zero-voltage pulse and zero- current pulse is duly generated by suitable operational amplifier circuits in comparator mode is fed to two interrupt pins of a micro-controller. The program takes over to actuate appropriate number of relays from its output to bring shunt capacitors into load circuit to get the  power  factor till it reaches near  unity. The capacitor bank and relays are interfaced to the  micro-controller using a relay driver. It displays time lag between the  current  and  voltage on LCD.

 

Keywords :- PF controller, Inductive, Microcontroller, Load, Relay, PF Correction.