Design and implementation of symmetric and asymmetric structure for multilevel inverter

Author(s):  
Kishor Thakre ◽  
Kanungo Barada Mohanty ◽  
Ashwini Ku. Nayak ◽  
Rabi Narayan Mishra
2017 ◽  
Vol 16 (1) ◽  
pp. 37-46
Author(s):  
Mahir Mahdee ◽  
Chowdhury Mohammad Samir ◽  
Sunzidur Rahman ◽  
Md. Shabuj Hossain ◽  
Ahmed Mortuza Saleque ◽  
...  

This paper presents a relatively new concept for the design and implementation of a grid-tie inverter for photo voltaic (PV) systems. The proposed method will eliminate the uses of battery pack hence overall cost of any PV project will be significantly reduced. As the output of any PV array varies with the variation of solar irradiance hence a boost converter with PID regulated variable duty cycle has been used to keep a constant input to the inverter. Multilevel inverter topology has been proposed for utility grid connectivity. The proposed design is simulated in MATLAB/Simulink and a prototype is also implemented to verify the simulation results. The controllers are implemented in Arduino microcontroller board.


Electronics ◽  
2020 ◽  
Vol 9 (3) ◽  
pp. 504
Author(s):  
Rajan Kadel ◽  
Krishna Paudel ◽  
Deepani B. Guruge ◽  
Sharly J. Halder

Error Correction Schemes (ECSs) significantly contribute to enhancing reliability and energy efficiency of Wireless Sensor Networks (WSNs). This review paper offers an overview of the different types of ECS used in communication systems and a synopsis of the standards for WSN. We also discuss channels and network models for WSN as they are crucial for efficient ECS design and implementation. The literature review conducted on the proposed energy consumption and efficiency models for WSN indicates that existing research work has not considered Single Hop Asymmetric Structure (SHAS) with high performing Error Correcting Codes (ECCs). We present a review on proposed ECS for WSN based on three criteria: Forward Error Correction (FEC), adaptive error correction techniques, and other techniques. Based on our review work, we found that there are limited works on ECS design on a realistic network model i.e., a modified multi-hop WSN model. Finally, we offer future research challenges and opportunities on ECS design and implementation for WSN.


Author(s):  
Amruta Pattnaik ◽  
Shawet Mittal ◽  
Vinay Gupta ◽  
Basudev Prasad ◽  
Akash Kumar Bhoi

Author(s):  
G. Vijaykrishna ◽  
Y. Kusumalatha

This paper examines how a Reversing voltage multilevel inverter (RVMLI) strategy is enforced to develop multilevel inverter fulfilment. This approach has been used SPWM-PD technique to regulate the electrical inverter. It desires numerous less range of carrier signals to deliver gate pulses of switches. Increasing within the levels during this strategy aid in reduction of output voltage harmonics expeditiously and improves power quality at output of the electrical inverter. It wants a lowered quantity of total switches, which is in a position to decreases of switching losses in this process. The Three-phase reversing voltage multilevel inverter of 7- level and 9- level is accomplished for R-load and R-L load and Three Phase Induction Motor. A reversing voltage multilevel inverter of 7- level and 9- level simulation is intended and developed. Mat lab/Simulink outcome is awarded to validate the proposed scheme.


Author(s):  
Chittathuru Dhanamjayulu ◽  
Gopal Arunkumar ◽  
Balakrishnan Jaganatha Pandian ◽  
Sanjeevikumar Padmanaban

2015 ◽  
Vol 13 (9) ◽  
pp. 2851-2858 ◽  
Author(s):  
R. A. Vargas ◽  
A. Figueroa ◽  
S. E. DeLeon ◽  
J. Aguayo ◽  
L. Hernandez ◽  
...  

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