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World Journal of Engineering Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

ISSN 2454-695X

Impact Factor : 7.029

ICV : 79.45

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Abstract

POWER FACTOR IMPROVEMENT IN ELECTRODE-LESS FLUORESCENT LAMP USING FUZZY LOGIC CONTROLLER

D. Vinoth, P. Jothimani, *C. Rajkumar, G. Naveen Kumar

ABSTRACT

This paper deals with the power factor of Electrode- less Fluorescent Lamp (EFLs) by using fuzzy logic controller. The output voltage of the cuk converter contains voltage ripples and steady state error. To overcome the voltage ripples and steady state error, the closed loop system of Fuzzy Logic Controller (FLC) and Single Ended Primary Inductor Converter (SEPIC) are used. By using FLC, the power factor and the efficiency are slightly get increased when compared to Proportional Integral (PI). The SEPIC is used to reduce the voltage ripples. PI controllers are not much efficient and require more time to implement due to their robustness. These controllers are suitable for single input value only not suitable for changing values. The FLC is proposed to improve the efficiency and more number of inputs can be used. Finally, a step-by-step design methodology is proposed and stimulated through MATLAB/SIMULINK for improving the power factor and efficiency by reducing the voltage ripples.

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