AN ECONOMIC SINGLE PHASE TO THREE PHASE POWER CONVERTER WITH ACTIVE INPUT CURRENT SHAPING

AN ECONOMIC SINGLE PHASE TO THREE PHASE POWER CONVERTER WITH ACTIVE INPUT CURRENT SHAPING
Author(s):
N. Tejaram, Dr. G.V. Marutheswar
Keywords:
Front-end rectifier, Split-Capacitor, DC-Link voltage, Two-leg Inverter, Three-phase motor
Abstract
This paper presents a converter topology for driving a three-phase motor load from a single-phase supply. It consists of a rectifier and an inverter circuit. The front-end rectifier is to provide a DC link voltage through a split capacitor. The two-leg inverter converts this Dc link voltage into 3 phase supply. This converter can run a three-phase Induction motor which is much more efficient compared to a single-phase motor. In this paper, two closed-loop controllers are employed to achieve balanced output voltage. Among those two closed-loop controllers, one is for maintaining the DC link voltage constant and, the other is for inverter output. Therefore, the single-phase to three-phase converter brings the controllable output voltage as in a six-switch standard three-phase inverter. The front-end rectifier has the capability of active input current shaping. The designed converter model is simulated by using MATLAB Simulink software. The Performance of the designed converter employing various controllers like PI and Fuzzy Logic is assessed.
Article Details
Unique Paper ID: 150884 Publication Volume & Issue: Volume 7, Issue 10 Page(s): 244 - 251
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