International journal of electronic and electrical engineering systems
Volume 1, Numéro 3, Pages 1-6
2018-09-30
Constraints Reduced On The Pem Fuel Cell In Hybrid Electric Vehicle Application By Using Multilevel Inverters
Authors : Abdellaoui Hassina . Ghedamsi Kaci . Mecharek Amar .
Abstract
Fuel cell/Ultracapacitor (FC/UC) hybrid power source forms a promising architecture to satisfy the energy requirements for electrical vehicles. When the main power source is a fuel cell, the objective is to increase its utilization by improving their performance and ensure continuous operation during the failure of any semiconductors. The fluctuating load can cause unstable operation as well as low efficiency. Multilevel inverters offer the best solution for improving the power quality of the traction motor (load) with fewer harmonics and ensuring continuity of operation in the event of a switch failure. In this paper, the load constraints on the FC are reduced by using multilevel inverters. The objective is to enhance the power quality of traction motor without any additional device and ensure continuity of operation in the event of a fault in semiconductors. We analyze the opportunities of using a seven-level inverter in an electric powered vehicle. The results obtained show the effectiveness by using multilevel inverters in improving the power quality, enhancing the fuel cell performance and ensure a long lifetime of hybrid electric vehicle (HEV) systems.
Keywords
Fuel Cell, Hybrid Electric Vehicle, Multilevel Inverter.
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