High static gain modified SEPIC converter with improved load regulation

Author

Thyaghese, Geethu ; Bhaskar, Kavitha

Author_Institution

Electr. & Electron. Eng., Jyothi Eng. Coll., Cheruthuruthy, India

fYear

2015

fDate

19-20 March 2015

Firstpage

1

Lastpage

5

Abstract

A high static gain dc-dc converter based on the modified SEPIC converter is presented in this scheme. The preferred topology presents low switch voltage with high efficiency for low input and high output voltage applications. The configuration of this converter with magnetic coupling and output diode voltage clamping is presented and analyzed. The magnetic coupling allows to elevate the static gain maintaining a reduced switch voltage. In order to reduce the problem of overvoltage at the output diode, inclusion of a secondary voltage multiplier is made mandatory. This voltage multiplier increases the static gain of the converter and also acts as a non-dissipative clamping circuit for the output diode. The simulation is done using MATLAB/SIMULINK and results are investigated in order to validate the performance of the converter.

Keywords

DC-DC power convertors; load regulation; voltage multipliers; SEPIC converter; high static gain dc-dc converter; load regulation; magnetic coupling; nondissipative clamping circuit; output diode voltage clamping; reduced switch voltage; secondary voltage multiplier; Capacitors; Couplings; Inductance; Inductors; Switches; Topology; Voltage control; SEPIC converter; magnetic coupling; static gain; voltage multiplier;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuit, Power and Computing Technologies (ICCPCT), 2015 International Conference on

Conference_Location

Nagercoil

Type

conf

DOI

10.1109/ICCPCT.2015.7159338

Filename

7159338