Two parallel converters with small interconverter inductor for elevator drive system

Author

Wu Wenlong ; Wang Fei ; Wang Yong ; Gao Qiang

Author_Institution

Shanghai Jiaotong Univ., Shanghai, China

fYear

2015

fDate

1-5 June 2015

Firstpage

334

Lastpage

336

Abstract

This paper presents a two parallel converters hardware configuration for elevator drive system with individual DC-Links to reach more modular design. And a new circulating current suppressing strategy is proposed to reduce the Inter-Converter inductor as low as possible. With the new hardware configuration, first, the zero-sequence circulating current and the cross current paths are analyzed. Then, based on the analysis, the control algorithms consisting of two main loops in d, q, and zero axes are proposed. The hardware design and circulating current suppressing strategy are verified by the experimental. Therefore, the Inter-Converter inductor can be reduced very low.

Keywords

electric current control; invertors; lifts; permanent magnet motors; rectifying circuits; synchronous motor drives; circulating current suppressing strategy; elevator drive system; modular design; parallel converter; small interconverter inductor; zero sequence circulating current; Digital signal processing; Elevators; Hardware; Inductors; Inverters; Motor drives; Switches; Circulating Current; Modular; Parallel; Suppressing;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and ECCE Asia (ICPE-ECCE Asia), 2015 9th International Conference on

Conference_Location

Seoul

Type

conf

DOI

10.1109/ICPE.2015.7167806

Filename

7167806