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In order to configure super capacitor based energy storages in hybrid electric vehicles, the required peak power and the total amount of energy are estimated by using our strategies of energy source control and management during typical test cycles. The configuration of the super capacitor based energy storage for a dedicated vehicle has been verified with respect to the voltage variation, maximum...
Using two off-the-shelf IGBT converters, bi-directional series resonant converters are configured to achieve high efficiency for the application of super capacitor based energy storages as peak power unit. The proposed control principle and modulation method decouple the sampling and switching frequencies. As a result, the size of resonant circuit is maximally reduced by increasing the switching frequency...
In this paper, the research and test platform for hybrid electric vehicle has been presented, which comprises power supply system, super capacitor based energy storage, traction system and the simulated load of vehicle. The strategies of energy sources control and management have been tested and verified in the standard speed cycle. The results show that the current of the power supply system (e.g...
In this paper, the method of identifying voltage difference of super capacitors and the principle of voltage balancing are presented. They are evaluated, according to the tolerance of the capacitance difference, the nature of self-discharging feature and the feasibility of the real implementation. The results show, much energy can be available if lower voltage difference of super capacitors is kept...
Since a number of years, the educational point of view is changing from a more theoretical approach towards a problem solving and/or project oriented education. In this framework, a seminar has been introduced in the second year of the five-year curriculum of electromechanical engineering at the Vrije Universiteit Brussel. Without any broad pre-knowledge, small groups of students have to build an...
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