Optimal Power Flow in Grid Connected EV Charging System Using High Gain Sheppard-Taylor Converter

Abstract

The prominence of Brushless Direct Current (BLDC) motor in operation of electric vehicles is significantly enormous in recent days as it owns beneficial factors like lower switching stress, higher voltage gain, optimum conversion efficiency and simple structure. Because of its advantageous features, it is preferred as suitable option for Electric Vehicle (EV) applications. The proposed approach concentrates on process of coupling electric vehicles like electric train with Photovoltaic (PV) and grid. The Interleaved Sheppard-Taylor converter is active in this system for improvising PV output in wider range to compensate grid voltage. A 3Φ Voltage Source Inverter (VSI) is implemented to feed converter output to electric vehicle, whereas 1Φ VSI assists in providing converter output to grid. For regulating switching behavior of inverter, Proportional Integral (PI)controller with hybrid Firefly assisted Artificial Bee Colony (FF-ABC) Algorithm is employed in this paper. The inverter, connected with grid allows current to flow in bidirectional mode to satisfy power demand of vehicle. The proposed PV fed grid tied electric car topology is compared with alternative interleaved topologies to demonstrate that suggested converter achieves excellent voltage gain and conversion efficiency. The entire system is validated in Matlab Simulink and system meets required power quality standard.

Keywords:

• electric train
• BLDC motor
• Interleaved Sheppard–Taylor converter
• single phase grid PI controller

Disclosure Statement

No potential conflict of interest was reported by the authors.

Additional information

Notes on contributors

A. Somasundaram

A. Somasundaram received his B.E Degree in Electrical and Electronics Engineering in 2008 from Anna University, Chennai. He also obtained M.E Degree in Power Electronics and Drives with distinction in 2013 from Anna University, Chennai. He is currently pursuing research in Power Electronics under the faculty of Electrical Engineering, Anna University, Chennai. He is a member of the Institute of Electrical / Electronic Engineering (IEEE). His area of interest are Power Electronics and Drives, Renewable Energy. Email: [email protected]

A. Ravi

A. Ravi received M.E Degree in Power Electronics and Drives in 2005 from Anna University, Chennai, India and the Ph.D degree in Electrical Engineering with specialization in Power Electronics (2014) from Anna University, Chennai, India. He is teaching Power Electronics and control system for the under graduate and post graduate students for more than 10 years. He has published a number of papers in international journals and presented papers in national and international conferences. He is a life member of ISTE and IE (I). His areas of interests are Solar Energy and Power Electronic Converters. Email: [email protected]