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Multiphasing of dc-dc converters is used as a method to downsize boost chopper circuits. This paper presents frequency characteristics of controller components as well as of the power circuit by analyzing the system using statespace averaging method in the case of applying average current mode control for multi-phase transformer linked boost chopper circuit. Furthermore, by using the analyzed frequency...
The boost converter system for the Electric Vehicle (EV) and the Hybrid Electric Vehicle (HEV) requires a compact and light weight performance. The transformer-linked three phase boost chopper circuit is a means to obtain this requirement. In our circuit, the size of the smoothing capacitor and each phase inductor are reduced by a third as compared with a single-phase boost chopper circuit. The purpose...
This paper presents a digital control technique for the interleaved boost chopper circuit with the coupled inductor that achieves the miniaturization of boost chopper circuit. The digital re-design method is selected as design technique. In this control technique, the continuous-time controller is first designed to make the controlled system stable. Next, that controller is converted into discrete-time...
In recent years, the boost converter system with compact and light weight performance have been required in the Hybrid Electric Vehicle and Electric Vehicle applications. To obtain the miniaturization performance for the passive circuit component, such as the inductor and the smoothing capacitor, the multi-phase method boost chopper circuit with the coupled inductor have been proposed and discussed...
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