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Renewable Energy Powered Plugged-In Hybrid Vehicle Charging System for Sustainable Transportation

Devaraj, Elangovan; Joseph, Peter K.; Karuppa Raj Rajagopal, Thundil; Sundaram, Senthilarasu

Authors

Elangovan Devaraj

Peter K. Joseph

Thundil Karuppa Raj Rajagopal



Abstract

Energy transformation by power electronic converters is not feasible without the efficient use of renewable energy. The article tries to extend the use of renewable energy to PHEV battery charging. In PHEV, the battery is one of the major sources of stored energy. The converter used for charging these batteries is of crucial concern. The paper addresses various challenges in designing a DC to DC converter for battery charging in DC bus. An optimized converter is designed to work with renewable energy sources to accomplish a high boost ratio, low input current ripple, low output voltage ripple, high power efficiency, and high power density. A combination of two interleaved boost converters is effectively used with the overlap time switching to achieve a high voltage boost ratio in forming the DC bus. Transformer isolation is used to increase reliability and boost ratio further. The secondary side employs a series-connected voltage doubler. The converter boosts an input voltage of 24 V to a range of 300–400 V. Simulation results have been obtained for a 300 W system. Simulation results are validated by a prototype implementation for a 250 W system. The converter is studied and analyzed for steady-state and transient state characteristics and the power efficiency obtained is 92.9%.

Journal Article Type Article
Acceptance Date Apr 7, 2020
Online Publication Date Apr 15, 2020
Publication Date 2020
Deposit Date Feb 2, 2022
Publicly Available Date Feb 2, 2022
Journal Energies
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 13
Issue 8
Article Number 1944
DOI https://doi.org/10.3390/en13081944
Keywords renewable energy; PHEV; interleaved converter; overlap time; switching technique; small transformer ratio; cascaded voltage doubler rectifier
Public URL http://researchrepository.napier.ac.uk/Output/2840021

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