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Journal of Experimental & Applied Mechanics

Experimental and Simulated Analysis of Hybrid Auxiliary Energy Storage System for Electric Vehicles

  1. Ravikant K. Nanwatkar
  2. Deshpande Sourabh
  3. Deepesh Phirke
  4. Yadnyesh Patil

Abstract

Electric mobility contributing to greater extent to balance the energy and power demands, energy storage unitsas well as environment safety for current automobile sector. Electric vehicle has major efficient features of zerocombustion, longer charging and discharging cycle which plays a vital role to replace the ongoing increase in price ofpetroleum fuels and its harmful effect son environment with their degrading store. Many non-conventional energysources like solar, tidal, wind etc. Can be used to generate energy and store it in suitable types of batteries to run thesevehicles. The Different types of batteries like lead acid, lithium ion, nickel bromide are used as an energy storage devicesfor these electric vehicles. But with many advantages these batteries has some structural and thermal issues if notdesigned or connected properly. These issues are capacity loss, cell balancing, thermal runaway, reduction in battery lifeetc. therefore much focus need to give on proper battery connections considering its working parameters. Possible typesof connections for batteries are active, passive and semi active as per their connections in series and parallel type.These connections depends on increasing the voltage and capacity of the battery. For series combinations appositeterminals of batteries are connected to each other, in which current remains constant and battery voltage is summed up toincrease for maintaining the same capacity or ampere hour (Ah) rating of batteries. Whereas in parallel connections sameterminals of the batteries are connected to each other in which voltage remained constant and battery current is summedup to rise. This is needed when we need to double the battery capacity or ampere hours (Ah) rating according to yoursystem needs while maintain the same level of voltages. Each connections has its significance for battery performance.The present work focused on various design parameters of electric vehicle i.e. Comparative analysis of both series andparallel connection of batteries through its circuit connection, active and passive cell balancing of battery cells. Thisanalysis will be carried out in Experimental with simulation study using by analysing the behaviour of it on batteryperformance characteristics such as state of charge, voltage and current variation as per load cycle.

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