International Scientific Journal of Engineering and Management

An International Scholarly || Multidisciplinary || Open Access || Indexing in all major Database & Metadata
ISSN: 2583-6129

Impact Factor: 6.674

AUTOMATIC POWER FACTOR CONTROLLER

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  • Create Date 2 May 2023
  • Last Updated 2 May 2023

AUTOMATIC POWER FACTOR CONTROLLER

O.S.Chavan2, Shirole Prasad1 Omkar Potdar 3, Pawar Dnyaneshwar  4  Lohakare Shivpratap 5

   2Professor, 1,3,4,5 Students, Department Electrical Engineering, Government Polytechnic Nanded, Maharashtra, India -------

***

 

Abstract - : The microcontroller using a relay driver. It displays time lag between the In this proposed system, two zero crossing detectors are used for detecting zero crowing of voltage and current. The project is designed to minimize penalty for industrial units using automatic power factor correction unit. The microcontroller used in this project belongs to Arduino family.

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 microcontroller. 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 current and voltage on an LCD. Furthermore, the project can be enhanced by using thyristor control switches instead of relay Control to avoid contact pitting often encountered by switching of capacitors due to high in rush Current.


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