A High-Efficiency High Step-Up Interleaved Converter with a Voltage Multiplier for Electric Vehicle Power Management Applications

- Journal title : Journal of Power Electronics
- Volume 16, Issue 2, 2016, pp.414-424
- Publisher : The Korean Institute of Power Electronics
- DOI : 10.6113/JPE.2016.16.2.414

Title & Authors

A High-Efficiency High Step-Up Interleaved Converter with a Voltage Multiplier for Electric Vehicle Power Management Applications

Tseng, Kuo-Ching; Chen, Chun-Tse; Cheng, Chun-An;

Tseng, Kuo-Ching; Chen, Chun-Tse; Cheng, Chun-An;

Abstract

This paper proposes a novel high-efficiency high-step-up interleaved converter with a voltage multiplier, which is suitable for electric vehicle power management applications. The proposed interleaved converter is capable of achieving high step-up conversion by employing a voltage-multiplier circuit. The proposed converter lowers the input-current ripple, which can extend the input source`s lifetime, and reduces the voltage stress on the main switches. Hence, large voltage spikes across the main switches are alleviated and the efficiency is improved. Finally, a prototype circuit with an input voltage of 24 V, an output voltage of 380 V, and an output rated power of 1 kW is implemented and tested to demonstrate the functionality of the proposed converter. Moreover, satisfying experimental results are obtained and discussed in this paper. The measured full-load efficiency is 95.2%, and the highest measured efficiency of the proposed converter is 96.3%.

Keywords

High step-up conversion;Interleaved boost converter;

Language

English

Cited by

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