NDLI: Hybrid converter topology for reducing torque ripple of BLDC motor

Content Provider	IET Digital Library
Author	Viswanathan, Vaiyapuri Jeevananthan, Seenithangom
Abstract	This study investigates the torque ripple performance of brushless DC (BLDC) motor drive system by integrating both modified single-ended primary inductor converter (SEPIC) and silicon carbide metal–oxide–semiconductor field-effect transistor based three-level neutral-point-clamped (NPC) inverter. In BLDC motor, the high commutation torque ripple is an important origin of vibration, speed ripple and prevents the use of the BLDC motor drive system in high-performance and high-precision applications. For torque ripple reduction, the modified SEPIC converter is employed at the entrance of the three-level NPC inverter, which regulates the DC-link voltage according to the motor speed. Moreover, the three-level NPC inverter is employed as a second-stage converter to suppress current ripple for further torque ripple reduction. Finally, the performance of the proposed hybrid converter topology is verified by simulation and laboratory experimental results.
Starting Page	1572
Ending Page	1587
Page Count	16
ISSN	17554535
Volume Number	10
e-ISSN	17554543
Issue Number	Issue 12, Oct (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/10/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0905
Journal	IET Power Electronics
Publisher Date	2017-06-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BLDC Motor Drive System Brushless DC Motor Brushless DC Motor Drive System Commutation Current Ripple Suppression D.C. Machines DC Motor Drive DC-link Voltage Drive High Commutation Torque Ripple Hybrid Converter Topology Insulated Gate Field Effect Transistors Invertors Metal-oxide-semiconductor Field-effect Transistor Modified SEPIC Converter Modified Single-ended Primary Inductor Converter MOSFET NPC Inverter Power Converter Power Inductors Second-stage Converter SiC Silicon Compound Three-level Neutral-point-clamped Inverter Torque Ripple Reduction Transformer And Reactors Wide Band Gap SemiConductor
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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Approach for torque ripple reduction for brushless DC motor based on three-level neutral-point-clamped inverter with DC–DC converter

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