Topology comparison for 6.6kW On board charger: Performance, efficiency, and selection guideline

This paper compares various topologies for 6.6kW on-board charger (OBC) to find out suitable topology. In general, OBC consists of 2-stage; power factor correction (PFC) stage and DC-DC converter stage. Conventional boost PFC, interleaved boost PFC, and semi bridgeless PFC are considered as PFC circ...

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Main Authors: Keun-Wan Koo, Dong-Hee Kim, Dong-Gyun Woo, Byoung-Kuk Lee
Format: Conference Proceeding
Language:English
Subjects:
Feathers
Inductors
Rectifiers
Switches
Topology
Transformer cores
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Dong-Hee Kim
Dong-Gyun Woo
Byoung-Kuk Lee
description This paper compares various topologies for 6.6kW on-board charger (OBC) to find out suitable topology. In general, OBC consists of 2-stage; power factor correction (PFC) stage and DC-DC converter stage. Conventional boost PFC, interleaved boost PFC, and semi bridgeless PFC are considered as PFC circuit, and full-bridge converter, phase shift full-bridge converter, and series resonant converter are taken into account for DC-DC converter circuit. The design process of each topology is presented. Then, loss analysis is implemented in order to calculate the efficiency of each topology for PFC circuit and DC-DC converter circuit. In addition, the volume of magnetic components and number of semi-conductor elements are considered. Based on these results, topology selection guideline according to the system specification of 6.6kW OBC is proposed.
doi_str_mv 10.1109/VPPC.2012.6422583
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subjects Feathers
Inductors
Rectifiers
Switches
Topology
Transformer cores
title Topology comparison for 6.6kW On board charger: Performance, efficiency, and selection guideline
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