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This paper presents design guideline of portable emergency power supply with multi input and output requirements. The available structures which satisfy design considerations are proposed and analyzed. Based on the chosen structure, suitable topology and controller of each part applied to charge a battery in a wide range of input condition. In addition, system operation algorithm is proposed according...
We modeled electrical tractor''s system and driving parts using model-based design (MBD) and an automotive simulation model (ASM). Conventionally, researchers have used empirical approaches or have analyzed partial aspects of the system in order to develop an electrical tractor. Studies applying MBD to the parts and entire system of the electrical tractor, as is the case in the present study, have...
In this study, a 1.5 [kW] on-board battery charger for neighborhood electric vehicles was developed. The developed charger has a built-in power factor correction circuit and a resonant phase shift full-bridge (PSFB) for power conversion. Although an additional snubber is not used, the switching noise generated in the switch and the diode is reduced, owing to the built-in resonant-type PSFB converter,...
This paper studies battery charging methods utilizing the already available power electronics systems in plug-in hybrid electric vehicles (PHEVs) without an additional charger for charging the battery of PHEVs. Because inverter switch control and motor coils, which are used as the energy storage device for boosting, make the system the boost converter, it is possible to operate the existing system...
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...
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