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2014 (Vol. 7, Issue: 10)
Article Information:

Fault Analysis on VSI Fed Induction Motor Drive with Fault Tolerant Strategy

S. Nagarajan and S. Rama Reddy
Corresponding Author:  S. Nagarajan 

Key words:  Fault analysis, fault tolerant, FFT spectrum, induction motor, leg swap, open circuit, short circuit
Vol. 7 , (10): 2004-2016
Submitted Accepted Published
June 19, 2013 July 16, 2013 March 15, 2014
Abstract:

The aim of this study is to design and implement a fault tolerant inverter for induction motor drive. The operations of the induction motor drives are so crucial in some applications that any fault in the drive could result in serious loss to the industry in terms of capital, process and materials not to mention the wastage due to idle labor time. Hence, it is essentials that an induction motor drive should basically be fault tolerant. This study investigates some of the possible faults in the inverter circuits by performing fault analysis on the current waveforms using harmonic spectrum. A fault tolerant system is proposed which can operate even after occurrence of the fault in runtime. A new SIMULINK model for leg swap module is proposed. The simulation studies are done using MATLAB simulation tool and the results are presented. The hardware setup is configured, tested and the experimental results are compared with the simulation results.
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  Cite this Reference:
S. Nagarajan and S. Rama Reddy, 2014. Fault Analysis on VSI Fed Induction Motor Drive with Fault Tolerant Strategy .  Research Journal of Applied Sciences, Engineering and Technology, 7(10): 2004-2016.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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