A DC-link modulation scheme with phase-shifted current control for harmonic cancellations in multidrive applications

Yang, Yongheng, Davari, Pooya, Zare, Firuz and Blaabjerg, Frede (2016) A DC-link modulation scheme with phase-shifted current control for harmonic cancellations in multidrive applications. IEEE Transactions On Power Electronics, 31 3: 1837-1840. doi:10.1109/TPEL.2015.2472641


Author Yang, Yongheng
Davari, Pooya
Zare, Firuz
Blaabjerg, Frede
Title A DC-link modulation scheme with phase-shifted current control for harmonic cancellations in multidrive applications
Journal name IEEE Transactions On Power Electronics   Check publisher's open access policy
ISSN 0885-8993
1941-0107
Publication date 2016-03-01
Sub-type Article (original research)
DOI 10.1109/TPEL.2015.2472641
Open Access Status Not yet assessed
Volume 31
Issue 3
Start page 1837
End page 1840
Total pages 4
Place of publication New York, NY, United States
Publisher Institute of Electrical and Electronics Engineers
Language eng
Abstract This letter proposes a harmonic mitigation strategy to cancel out current harmonics induced by the front-end rectifiers in multidrive systems, which consist of diode rectifiers, silicon-controlled rectifiers (SCR), and boost converters in the dc-link. The proposed strategy is a combination of a new dc-link modulation scheme with a phase-shifted current control enabled by the SCR. The dc-link current modulation scheme is implemented by adding and subtracting specific modulation levels, which makes the total currents drawn from the grid "multilevel," resulting in an improved current quality. Simulations and experiments have validated the effectiveness of the proposed harmonic mitigation solution for multidrive systems.
Keyword Adjustable speed drives
Dc-link modulation
Diode rectifier
Harmonics
Phase-shifted currents
Silicon-controlled rectifier (SCR)
Three-phase multiple drive systems
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Information Technology and Electrical Engineering Publications
 
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Created: Wed, 10 May 2017, 10:47:11 EST by Firuz Zare on behalf of Learning and Research Services (UQ Library)