A single‐stage‐based integrated power electronic converter has been proposed for plug‐in electric vehicles (PEVs). The proposed converter achieves all modes of vehicle operation, i.e. plug‐in charging, propulsion and regenerative braking modes with wide voltage conversion ratio (M) [M < 1 as well as M > 1] in each mode. Therefore, a wide variation of battery voltage can be charged from the universal input voltage (90–260 V) and allowing more flexible control for capturing regenerative braking energy and dc‐link voltage. The proposed converter has least components compared to those existing converters which have stepping up and stepping down capability in all modes. Moreover, a single switch operates in pulse width modulation in each mode of converter operation hence control system design becomes simpler and easy to implement. To correctly select the power stage switches, a loss analysis of the proposed converter has been investigated in ac/dc and dc/dc stages. Both simulation and experimental results are presented to validate the operation of the converter.
Single‐stage ZETA‐SEPIC‐based multifunctional integrated converter for plug‐in electric vehicles
IET Electrical Systems in Transportation ; 8 , 2 ; 101-111
2018-06-01
11 pages
Article (Journal)
Electronic Resource
English
AC‐DC stages , loss analysis , vehicle operation modes , plug‐in electric vehicles , DC‐DC stages , propulsion modes , electric propulsion , stepping up capability , stepping down capability , pulse width modulation , AC‐DC power convertors , electric vehicle charging , single‐stage‐based integrated power electronic converter , control system design , control system synthesis , DC‐DC power convertors , single‐stage ZETA‐SEPIC‐based multifunctional integrated converter , plug‐in charging , battery powered vehicles , regenerative braking modes , regenerative braking
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