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Electronics 2018, 7(8), 134; https://doi.org/10.3390/electronics7080134

Series Active Filter Design Based on Asymmetric Hybrid Modular Multilevel Converter for Traction System

1
School of Electronics, Information & Electrical Engineering (SEIEE), Smart Grid Research & Development Centre, Shanghai Jiao Tong University, Shanghai 200240, China
2
Changzhou Power Supply Company, Changzhou 213176, Jiangsu, China
*
Author to whom correspondence should be addressed.
Received: 30 June 2018 / Revised: 25 July 2018 / Accepted: 30 July 2018 / Published: 1 August 2018
(This article belongs to the Special Issue Applications of Power Electronics)
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Abstract

This paper presents a comparative analysis of a new topology based on an asymmetric hybrid modular multilevel converter (AHMMC) with recently proposed multilevel converter topologies. The analysis is based on various parameters for medium voltage-high power electric traction system. Among recently proposed topologies, few converters have been analysed through simulation results. In addition, the study investigates AHMMC converter which is a cascade arrangement of H-bridge with five-level cascaded converter module (FCCM) in more detail. The key features of the proposed AHMMC includes: reduced switch losses by minimizing the switching frequency as well as the components count, and improved power factor with minimum harmonic distortion. Extensive simulation results and low voltage laboratory prototype validates the working principle of the proposed converter topology. Furthermore, the paper concludes with the comparison factors evaluation of the discussed converter topologies for medium voltage traction applications. View Full-Text
Keywords: hybrid converter; multi-level converter (MLC); series active filter; power factor correction (PFC) hybrid converter; multi-level converter (MLC); series active filter; power factor correction (PFC)
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Ali, M.; Khan, M.M.; Xu, J.; Faiz, M.T.; Ali, Y.; Hashmi, K.; Tang, H. Series Active Filter Design Based on Asymmetric Hybrid Modular Multilevel Converter for Traction System. Electronics 2018, 7, 134.

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