Abstract:

The Brushless Doubly Fed Machine (BDFM) shows economic promise as a variable speed drive or generator in various fields of Engineering like Industrial Automation, Wind Turbines, etc. The optimization of the machine and model based control strategies both rely on machine models and the experimental verification of these models. To date, dynamic measurement of rotor quantities have not been possible. In our paper, we have presented a novel technique to measure the dynamic rotor bar current of BDFM in real time using a Rogowski Coil, a transducer which detects the change in current and recently developed Bluetooth Wireless Technology to transmit the data from the moving rotor to a computer or any Bluetooth enabled device. The simulation results are also included in our paper and the implementation is at the verge of completion.

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