Survivability-Based Protection for 3φ Induction Motor Drives
Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)
This paper develops a survivability-based protection for three phase induction motor drive (3φ IMDs) systems against severe dynamic events. The developed protection is based on defining a survivability index ΓIMD, which is formulated in terms of the change in power created by a dynamic event experienced by a 3φ IMD. The determination of ΓIMD provides an accurate tool to detect, identify, and respond to unsurvivable dynamic events. The efficacy and validity of the survivability-based protection for 3φ IMDs are verified through simulation and experimental tests. These tests are conducted for 10hp 3φ IMD under various types of dynamic events. Test results demonstrate the effectiveness of the survivability-based protection in responding to unsurvivable dynamic events to prevent damage to different components in a 3φ IMD.
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