A Two-Input Single-Output Boost Converter with Fault Tolerant Operation

Authors

  • K. Karishma Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India
  • A. Sivaprasad Department of Electrical & Electronics Engineering, Muthoot Institute of Technology and Science, Kochi, Kerala, India
  • Nithin Raj Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.3939

Keywords:

Non-isolated boost converter, multi-input single-output converter, low voltage DC application, renewable energy sources, fault tolerant operation

Abstract

The need for multi-input DC-DC converters is highly demanded in the context of the integration of different energy sources. When integrating several energy sources, such as batteries, solar PV arrays, fuel cells, etc., multi-input DC-DC converters preferred over multiple single-input DC-DC converters. The vast majority of MISO converters in use today only have one mode of operation, which is conventional operation using all sources. Very few MISO topologies have been presented with fault-tolerant capability. In this work, a non-isolated two-input single-output (MISO) boost converter is investigated for low-voltage DC (LVDC) applications with fault tolerant capability. The presented converter works in three modes, such as DC sources of equal values, DC sources of unequal values, and one of the DC sources that is faulty or out of order. The converter is simulated in a MATLAB/Simulink environment and experimentally validated using a scaled prototype. The outcomes demonstrate that the converter can integrate systems with two DC energy sources, accommodates DC sources of equal values, DC sources of unequal values, and works even when one of the DC sources is faulty or out of order. This work points out that the presented MISO converter would be an apt solution for integrating varying input voltage sources with fault-tolerant capability.

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Author Biographies

K. Karishma, Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

K. Karishma completed bachelor’s degree at Sree Narayana Institute of Technology in Adoor in Electrical and Electronics Engineering. Currently, she is pursuing a master’s degree in power systems and renewable energy at the in the Department of Electrical Engineering, Rajiv Gandhi Institute of Technology in Kottayam.

A. Sivaprasad, Department of Electrical & Electronics Engineering, Muthoot Institute of Technology and Science, Kochi, Kerala, India

A. Sivaprasad was born in Thrissur, India, in 1989. He received the B.Tech. degree in Electrical and Electronics Engineering from University of Calicut, Thenhippalam, India, in 2010, and the M. Tech. degree in Power Electronics from the Amrita Vishwa Vidyapeetham University, Coimbatore, India, in 2012, and Ph.D. degree in Electrical Engineering from National Institute of Technology Calicut, India in 2018.

He is currently working as an Assistant Professor with the department of Electrical and Electronics Engineering, Muthoot Institute of Technology and Science, Ernakulam, India. He received young researcher award by Institute of Scholars India in 2020. He is the recipient of best paper awards in ICATCHCOME 2022 and EPREC 2022 international conferences organized by KPRIET and NIT Jamshedpur respectively. His main research interests include multiple input DC–DC converters, high gain DC-DC converters, renewable energy integration, and distributed generation.

Nithin Raj, Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

Nithin Raj received his B. Tech degree in Electrical and Electronics Engineering from the College of Engineering Kidangoor, Affiliated with Cochin University of Science and Technology, Kerala India, in 2010. He received M. Tech degree in Electrical Drives from the Maulana Azad National Institute of Technology (MANIT), Bhopal, in 2013, followed by Ph.D. degree in Electrical Engineering (Power Electronics) from the National Institute of Technology (NIT) Calicut, Kozhikode, India, in 2018.

After a brief stint with NIT Calicut, as an ad-hoc faculty with the Department of Electrical Engineering, he joined L&T Technology Services, Bangalore in 2018; where he was associated with R&D of automotive power electronics and electric vehicles. In 2020, he started working as an Assistant Professor in the Department of Electrical and Electronics at Govt. Engineering College Wayanad. Currently, he is an Assistant Professor in Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam. His research interests include multilevel inverters, fault diagnostics in inverter systems, and applications of power electronics in electric vehicles. He is a Life Member ISTE and Senior Member of IEEE.

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Published

2024-07-16

How to Cite

Karishma, K., Sivaprasad, A., & Raj, N. (2024). A Two-Input Single-Output Boost Converter with Fault Tolerant Operation. Distributed Generation &Amp; Alternative Energy Journal, 39(03), 593–612. https://doi.org/10.13052/dgaej2156-3306.3939

Issue

2024: Vol 39 Iss 3

Section

Articles