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2018 | OriginalPaper | Chapter

A Controller Based on Electric-Charger Balance Theory for Front-End Converters

Authors : Yisheng Yuan, Xianglong Mei, Pan Zhou, Jiyun Tian

Published in: Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017

Publisher: Springer Singapore

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Abstract

Aiming at the problem that between the second harmonic current i2nd and dynamic response characteristic of the middle bus voltage ub of the two stage inverter, the charge balancing controller integrated with the traditional double-loop controller is proposed. The traditional controller operates as load stable to suppress the secondary harmonic current i2nd, but the load switched by the new controller. Based on the traditional double-loop controller, the design of the voltage-loop controller that meeting requirements of i2nd is expounded, containing the influence of cross frequency ωc on Δub and the final dynamic response time ts of ub. The working principle of the electric-charge-balancing controller and some other key design issue are described. A prototype of 450 W is built to verify the correctness of the theoretical analysis and the feasibility of the new converter.

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Metadata
Title
A Controller Based on Electric-Charger Balance Theory for Front-End Converters
Authors
Yisheng Yuan
Xianglong Mei
Pan Zhou
Jiyun Tian
Copyright Year
2018
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-10-7986-3_48

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