Journal ArticleDOI
An Auxiliary-Supply-Assisted Harmonic Reduction Scheme for 12-Pulse Diode Rectifiers
Shoji Fukuda,M. Ohta,Y. Iwaji +2 more
TLDR
In this paper, a 12-pulse diode rectifier with a single-phase square wave auxiliary voltage supply is proposed to reduce the harmonics in the input currents of the rectifier.Abstract:
Diode rectifiers have been widely used for an ac-to-dc converter. A big problem is that they include large harmonic components in the input currents. A 12-pulse configuration is useful for reducing them, but it still includes the (12 mplusmnl)th (m: integer) harmonics in the input currents. In order to further reduce the input current harmonics a single-phase square wave auxiliary voltage supply is inserted in the middle dc bus. It reduces harmonics especially the 11th and 13th and the harmonic characteristic becomes almost equivalent to a 24-pulse rectifier. Theoretical analysis of the combined 12-pulse diode rectifier with the auxiliary supply is presented, and a control method of the auxiliary supply is proposed. The reduction in the input current harmonics is verified by simulation and experimental results. The auxiliary supply is also applied to a 12-pulse thyristor rectifier.read more
Citations
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Proceedings ArticleDOI
Optimum design of an EV/PHEV charging station with DC bus and storage system
Sanzhong Bai,Du Yu,Srdjan Lukic +2 more
TL;DR: In this paper, the optimal design of a fast charging station for PHEVs and EVs is proposed to minimize the strain on the power grid while supplying the vehicles with the required power.
Journal ArticleDOI
Unified Active Filter and Energy Storage System for an MW Electric Vehicle Charging Station
Sanzhong Bai,Srdjan Lukic +1 more
TL;DR: In this article, the authors proposed a dc-side filter based on virtual resistor injection to further reduce the dc ripple, ac-side harmonics, and filter VA ratings, and demonstrated that with the proposed topology and control, the filter stage can be used as a DC-side energy storage system.
Journal ArticleDOI
New Method to Achieve AC Harmonic Elimination and Energy Storage Integration for 12-Pulse Diode Rectifiers
Sanzhong Bai,Srdjan Lukic +1 more
TL;DR: A novel method is outlined to profile the rectifier output current to be triangular which results in low ac-side harmonics and lower VA rating of the dc filter, simple integration of dc energy storage, and effective ac harmonic control even when the initial rectifier current is discontinuous.
Journal ArticleDOI
A Family of Autoconnected Transformers for 12- and 18-Pulse Converters—Generalization for Delta and Wye Topologies
TL;DR: In this article, a mathematical analysis based on phasor diagrams is proposed to unify all delta and wye step-up or step-down autotransformer connections for 12- and 18-pulse ac-dc converters.
Journal ArticleDOI
Evaluation on the Autoconfigured Multipulse AC/DC Rectifiers and Their Application in More Electric Aircrafts
TL;DR: An overview of the recent advances and trends on the MPR technology, mainly the autoconfigured transformer-based MPRs, and its application in more electric aircrafts is performed.
References
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TL;DR: In this paper, the authors present a power electronics handbook, Power Electronics handbook (PECH) for the purpose of power electronics, including power electronics and power electronics specifications.
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TL;DR: This paper deals with general pure active filters for power conditioning, and specific hybridactive filters for harmonic filtering of three-phase diode rectifiers.
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Power Electronic Converter Harmonics: Multipulse Methods for Clean Power
TL;DR: In this paper, Paice brings new circuit schematics and easy-to-follow methods for practical system analysis using actual field test results, and provides an invaluable guide to multiple converters, power sources, and IEEE Industry Standard 519.
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