Abstract
In recent days induction motors are commonly used an industrial application due to the simple construction and robust cost. In this work three phase induction motor is used for monitoring the mechanical faults under various load conditions. The mechanical fault includes the bearing faults; there are two kinds of fault conditions are monitored with healthy and faulty bearing at different load conditions. The Lab VIEW and DAC system is used for monitoring the real time signals like line current and vibrations present in the healthy and faulty bearing conditions at different frequency levels of 3-phase induction motor drive system. In this experimental setup IGBT based PWM inverter drive system is connected to 3- phase induction motor. The various experimental results are verified with 5Hz and 25Hz.
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