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In this paper, an innovative supervisory control strategy for application on HEV energy management has been presented. An implementation for a basic DC/DC converter has been discussed, where a configuration composed by a LV battery and an HV bus fed by a battery has been arranged. The Recovery mode, discussed at length in this paper as an innovative method to overcome high-voltage bus drops due to...
Virtual laboratories that animate scientific phenomena are becoming an increasingly popular method to teach students. Electrical engineering is considered difficult to understand as it demands a high level of imagination. This difficulty can be dealt with to a large extent by developing visual aids in the form of animations. Animations can help students to grasp the idea quickly and therefore can...
In order to increase energy independency and decrease harmful vehicle emissions, plug-in hybrid electric vehicles (PHEVs) have been suggested as viable replacements for conventional internal combustion (IC) vehicles. In the event that PHEVs do command a large market share, their interactions with the grid could either become a large asset or a large burden for the grid, depending on the interface...
In this paper, a battery charging system for Plug-in Hybrid Electric Vehicle (PHEV) and Electric Vehicle (EV), and operation algorithm of charging system is introduced. Also, the proposed charging system uses commercial electricity in order to charge the battery of parked PHEV, and 48V battery charging system with power factor controllable single phase converter for PHEV is investigated in this paper...
Requirements of the battery charger circuit for plug-in hybrid electric vehicle applications are defined and a PWM boost rectifier cascaded with a bidirectional DC/DC converter has been proposed in this paper. Operation of the circuit has been analyzed and its mathematical model has been derived to investigate the design consideration of the circuit parameters. Feedback controller requirements to...
A novel power electronics energy management system for hybrid electric and plug-in hybrid electric vehicles (PHEV) is designed using a bidirectional switched capacitor (SC) DC/DC Luo converter. The controller uses the voltage-lift technique and presents a low output ripple, high power density, high efficiency, high voltage gain, and simple structure. A detailed efficiency modeling and analysis is...
Multi-input power electronic converters have been gaining popularity in applications such as renewable energy sources and hybrid electric vehicles due to their reduced component count. In this paper, a new control method is introduced and successfully applied to a double-input buckboost converter to adjust the power supplied by each one of the sources. The control scheme is based on controlling the...
In the conventional motor drive system, as sixswitch inverter topology with DC battery for the 42V HEV, the current and torque ripples become high during start-up and low speed region. In this paper, to overcome these shortcomings, a novel PAM inverter is proposed, which consists of a two-switch buck-boost converter and a four-switch inverter. In addition, as the current and torque ripples are generated...
This paper presents a bi-directional DC to DC converter with a unique concept in control. The converter was designed for hybrid electric vehicles, so size becomes a pressing design parameter. For that reason a buck converter in DCM was used to realize the DC to DC converter. The DCM operation was used in order to shrink the magnetic components, as described in the paper. However, DCM converters are...
A special round robin (RR) algorithm has been developed to equalize nickel metal hydride (NiMH) battery packs using a new selective equalizer. This algorithm detects batteries either at a very low state of charge (SOC) or at an extremely high SOC. In this system, a set of electromechanical relays are connected in a matrix to route boost current to the weaker batteries. The relay switching is controlled...
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