NDLI: Direct torque and flux control of switched reluctance motor with enhanced torque per ampere ratio and torque ripple reduction

Content Provider	IET Digital Library
Author	Reddy, P. Krishna Ronanki, Deepak Parthiban, P.
Abstract	A smooth torque control of switched reluctance motor (SRM) is essential to avoid speed fluctuations causing stability problems in vehicular applications. This can be accomplished by an appropriate motor design and/or use of direct control of torque in SRM. It is reported that high RMS current is required to minimise the torque ripple in the conventional direct torque and flux control (DTFC), thereby reducing the torque per ampere ratio. To overcome this issue, a new DTFC technique with improved torque per ampere ratio while minimising torque ripple in an SRM traction drive is presented. Results demonstrated that the proposed DTFC technique reduces torque ripple with enhanced torque per ampere. Finally, the performance of the proposed scheme is compared with conventional DTFC of a four-phase (8/6) SRM to show the improvement in the traction drive.
Starting Page	477
Ending Page	478
Page Count	2
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 8, Apr (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.8241
Journal	Electronics Letters
Publisher Date	2019-03-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Ampere Ratio Angular Velocity Control Control of Electric Power System Direct Control Drive DTFC Technique Flux Control Mechanical Variables Control Motor Design Reluctance Motors Rotation Control Sensorless Machine Control Smooth Torque Control Speed Fluctuations SRM Stability Problem Switched Reluctance Motor Synchronous Machine Torque Torque Control Torque Ripple Reduction Traction Drive Vehicular Application Velocity
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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