NDLI: Minimising torque ripple of SRM by applying DB-DTFC

Content Provider	IET Digital Library
Author	Zhang, Wen Xu, Ai'de Han, Lele Wang, Shenghao
Abstract	Since the traditional direct torque control (DTC) of switched reluctance motors (SRMs) has the shortcomings of large torque ripple and non-constant switching frequency, this study proposes the deadbeat-direct torque and flux-linkage control (DB-DTFC) method for SRM. By analysing the basic principles of SRM, a discrete-time model is established to predict the future states of the SRM drive system. With DB-DTFC, the stator flux and torque can be manipulated during each pulse-width modulation cycle to minimise torque ripple during operation. As a result, the proposed DB-DTFC can minimise the torque ripple as well as apply space-vector modulation with a constant switching frequency. Finally, to verify its effectiveness, DB-DTFC was applied to the 15 kW three-phase 12/8-pole SRM test bench in real time and the results are compared with conventional DTC.
Starting Page	1883
Ending Page	1890
Page Count	8
ISSN	17518660
Volume Number	13
e-ISSN	17518679
Issue Number	Issue 11, Nov (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/13/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2018.5441
Journal	IET Electric Power Applications
Publisher Date	2019-04-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	15 KW Three-phase 12/8-pole SRM Test Bench Constant Switching Frequency Control of Electric Power System DB-DTFC Deadbeat-direct Torque Drive Machine Control Magnetic Flux Mechanical Variables Control Minimising Torque Ripple Reluctance Motor Drive Reluctance Motors SRM Drive System Stator Flux Stators Switched Reluctance Motors Synchronous Machine Torque Torque Control Traditional Direct Torque Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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