FIVE-LEVEL INVERTER TOPOLOGIES FOR RENEWABLE POWER GENERATION
Author(s):
S.KARTHICK, N.SELVAKUMAR, K.SANJEEVIKUMAR, T.RAJKUMAR
Keywords:
Multilevel inverters, Total harmonic distortion, power electronics.
Abstract
In this paper, a new multi-level inverter topology is developed and applied for injecting the real power of the renewable power into the grid to reduce the switching power loss, harmonic distortion caused by the switching operation of power electronic devices. Here this multi-level inverter configures with input dc capacitors, a dual-buck converter, a full-bridge inverter, and a filter. The input to the dual-buck converter is dc capacitor voltage sources. The power electronic switches of the full-bridge inverter are switched in low frequency synchronous with the utility voltage to convert the output voltage of the dual-buck converter to a multi-level ac voltage. The output current of the multi-level inverter is controlled to generate a sinusoidal current in phase with the utility voltage to inject into the grid. The five-level inverter topologies are developed to verify the performance of the developed renewable power generation system and however the THD of both five-level and nine-level inverter topologies are analyzed. The simulation results show that the developed renewable power generation system reaches the expected performance
Article Details
Unique Paper ID: 144160

Publication Volume & Issue: Volume 3, Issue 7

Page(s): 176 - 181
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