NDLI: Torque ripple minimisation of switched reluctance motor using sense coils

Content Provider	IET Digital Library
Author	Reddy, Battu Prakash Vemula, Janaki Ramaiah Keerthipati, Sivakumar
Abstract	Switched reluctance motor (SRM) offers several advantages compared to conventional motors such as low cost, rugged design and good high-speed performance. Torque ripple and the associated acoustic noise and vibrations have been a challenge for its application in low and medium power applications. The torque ripple is due to double salient structure and non-linear magnetic characteristics of the machine. This study presents a sense coil system to measure instantaneous inductance that represents the non-linearity and saturation effects. The current profile is generated from the measured inductance to minimise the torque ripple and reduce the copper losses. The speed of motor is derived from the measured inductance thereby eliminating need for an external sensor. The effect of temperature and asymmetries in machine construction are compensated due to the dynamic nature of inductance measurement. The proposed method is implemented on a SoC FPGA to control the speed of SRM with reduced torque ripple.
Starting Page	614
Ending Page	621
Page Count	8
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 4, Apr (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0787
Journal	IET Electric Power Applications
Publisher Date	2019-12-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Angular Velocity Control Associated Acoustic Noise Coils Control of Electric Power System Conventional Motors Field Programmable Gate Array High-speed Performance Inductance Measurement Instantaneous Inductance Logic And Switching Circuit Logic Circuit Low Power Application Machine Control Magnetic Flux Measured Inductance Mechanical Variables Control Medium Power Application Reduced Torque Ripple Reluctance Motors Rotation Control Saturation Effect Sense Coil System Sense Coils SoC FPGA Speed Control SRM Switched Reluctance Motor Synchronous Machine Torque Control Torque Ripple Minimisation Velocity Vibrations
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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