Abstract

Compared to conventional inverter (square wave) multi-level inverter offers quality power owing to different voltage levels utilization in average and high voltage. Besides it also reduces Total Harmonic Distortion in the distributed system and dv/dt across power switches. This advantage is transcendently appropriate for cascaded diode connected converter that can be worked to create more number of levels using asymmetrical voltage source because of their integrated arrangement. However, this benefit no longer exist because it requires many dc links (batteries or rectifiers) which is costlier. Substitute method of implementing single low voltage floating DC link is to recompense voltage distortion using Neutral-Point-Clamped (NPC) converter. This NPC output and controlled floating single DC-link voltage along with controlled PWM strategy reduces the THD. This improves the bandwidth and make simpler the current control scheme. These motivated the study and analyze the performance of a Diode Clamp based three phase nine level multilevel inverterusingnovel PWM approaches in MATLAB 2014b and PROTEUS for hardware development. Thus low power prototype is developed and its performance is shown.

Details

Title
Analysis of Three Phase Nine Level Diode Clamped Multi Level Inverter
Author
Nagarajan, L 1 ; Rosaline, A Anne 2 ; Baladhandapani, R 3 ; A Nazar Ali 4 ; Stonier, Albert Alexander 5 

 Assistant Professor, Department of Electrical and Electronics Engineering, K. Ramakrishnan College of Technology, Trichy, Tamilnadu, India. 
 Associate Professor, Department of Mathematics, SRM TRP Engineering College, Trichy, Tamilnadu, India. 
 Assistant Professor, Department Electrical and Electronics Engineering, PSNA College of Engineering & Technology, Dindugal, Tamilnadu, India. 
 Associate Professor, Electrical and Electronics Engineering, Rajalakshmi Engineering College, Chennai, Tamilnadu, India 
 Associate Professor, Department of Electrical and Electronics Engineering, Kongu Engineering College, Perundurai, Tamilnadu, India. 
Publication year
2021
Publication date
Feb 2021
Publisher
IOP Publishing
ISSN
17578981
e-ISSN
1757899X
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2513046660
Copyright
© 2021. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.