Abstract
The chapter deals with broken rotor bar fault. Diagnosis is done both using steady-state signal as well as starting current transients. Concordia is formed in Park plane using steady-state current and analyzed. The Concordia-based assessment is done in Park Plane using starting current transients. Then radars are formed in Park plane wherefrom the faults are differentiated compared with those of normal motor. Then harmonics generated due to rotor broken bar has been assessed using Hilbert and wavelet transforms. The main contribution in this chapter is the application of new fault diagnostic concept based on radar assessment and envelope analysis to extract low-frequency oscillation using Hilbert and wavelet transforms.
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References
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Karmakar, S., Chattopadhyay, S., Mitra, M., Sengupta, S. (2016). Broken Rotor Bar. In: Induction Motor Fault Diagnosis . Power Systems. Springer, Singapore. https://doi.org/10.1007/978-981-10-0624-1_4
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DOI: https://doi.org/10.1007/978-981-10-0624-1_4
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