SELF-BALANCED 33-LEVEL INVERTER WITH HYBRID DOUBLE AND HALF-MODE SWITCHED CAPACITOR

SELF-BALANCED 33-LEVEL INVERTER WITH HYBRID DOUBLE AND HALF-MODE SWITCHED CAPACITOR
Author(s):
JOBITHA JOHNY, RAHUL P RAJ
Keywords:
multilevel inverter, switched-capacitor, SHE modulation.
Abstract
In power electronics industrial applications, one of the major problems is to reduce the harmonic distortion, without losses to provide a high-quality output voltage shape is benefited and reduced capacitor voltage ripple accumulation. The 33-level inverters based on switched-capacitor (SC) are presented and it involves three SC units and a neutral-point-piloted (NPP) unit in this article. Here, using a bidirectional switch and 12 number of transistors, 3 pair of diodes and 4 pairs of capacitors are employed. All of switching components are controlled by PWM signals and all capacitors' voltages are self-balanced. The proposed multilevel inverter performed excellent result showing in the experimental result. Also achieved its maximum efficiency through it.
Article Details
Unique Paper ID: 161084 Publication Volume & Issue: Volume 10, Issue 2 Page(s): 473 - 477
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