DOIONLINE

DOIONLINE NO - IJIEEE-IRAJ-DOI-2242

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International Journal of Industrial Electronics and Electrical Engineering (IJIEEE)-IJIEEE
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Volume Issue
Issue
Volume-3, Issue-6  ( Jun, 2015 )
Paper Title
18W Non-Isolated Closed-Loop Flyback Converter
Author Name
G. Medha, Sanjana Vijayshankar, Navneet Kumar Diwakar, B. Venkatesh
Affilition
Department of Electrical and Electronics, B.M.S. College of Engineering, Bangalore, India Deputy Engineer, Bharat Electronics Ltd. Assistant Professor, B.M.S. College of Engineering
Pages
111-114
Abstract
This paper brings to the fore an implementation of a closed-loop flyback converter that steps down one DC level to another efficiently. An open-loop implementation is often used in applications where regulation is not an absolute necessity. The complexity of the circuit is also less in an open-loop implementation. However, many applications demand a constant output even when the load conditions and the input voltage are not constant. In these situations, adopting a closed- loop configuration becomes advantageous. For the implementation of closed loop system, a PWM IC is used. This paper presents design of open-loop and closed-loop systems for a flyback converter followed by hardware results of various tests performed. Keywords—Flyback, Snubber, Open-loop, Bode, pulse width modulation(PWM), Regulation
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