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A waveform-subtraction based single-stage ripple-suppression converter family for multiple waveform generation

journal contribution
posted on 2020-03-01, 00:00 authored by Guidong Zhang, Jie Chen, Samson YuSamson Yu, Dongyuan Qiu, Bo Zhang, Herbert Iu, Tyrone Fernando, Yun Zhang
This paper proposes a family of single-stage converters consisting of three different converters, each of which is able to produce a variety of waveforms through the waveform-subtraction technique. We brand this converter family as Waveform-subtraction based Single-stage Converter, or WSSC. By using only a single-stage converter, the proposed waveform generation technique is able to realize DC-DC/AC conversions and suppress input current ripple, meeting the needs of modernized power grid with renewable energy sources. At the same time, converters in this WSSC family are capable of generating a range of shapes, such as triangular, rectangular and sawtooth waveforms, with simple structures, demonstrating its suitability of being applied in the electrochemical industry, e.g., in the electroplating process. Furthermore, the proposed family converters also realize substantially better input current ripple suppression compared to other conventional converters. In order to prove the validity and efficacy of the proposed WSSC and the theory underpinning it, in this study, extensive simulations and analyses are conducted to verify the theoretical foundation of the proposed WSSC strategy, and the prototype of a converter from the proposed converter family is built and tested in our laboratory, which validates the functionality of the WSSC.

History

Journal

IEEE transactions on industrial electronics

Volume

67

Issue

3

Pagination

1890 - 1898

Publisher

Institute of Electrical and Electronics Engineers

Location

Piscataway, N.J.

ISSN

0278-0046

eISSN

1557-9948

Language

eng

Publication classification

C Journal article; C1.1 Refereed article in a scholarly journal

Copyright notice

2019, IEEE