Abstract
Due to low-cost and high-reliability, induction motors have discovered significant applications for variable speed applications. The vector control method is used to achieve better dynamic response and use of induction motor for a wide range of speed variations. However, it uses shaft encoder for rotor speed estimation that suffers from added cost, measurement noise, and maintenance associated with them. To overcome these shortfalls, speed is estimated with the help of measured voltages and currents in sensorless vector-controlled drive. The rotor speed estimation method is based on a direct synthesis of induction motor state equations. Simulation of the drive is carried out using PSIM software. In order to validate the method, laboratory prototype is developed using DSP TMS320C2811 for 10 H.P. and 15 H.P. squirrel cage induction motor.
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Appendix
Appendix
Parameter of 10 HP Induction motor:
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R s = 0.7215 Ω, R r = 0.4357 Ω, L ls = 0.003351 H, L lr = 0.003351 H, L m = 0.1694 H, L s = 0.172751 H, L r = 0.172751 H, Moment of Inertia (MI) = 0.0980 J.
Parameter of 15 HP Induction motor:
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R s = 0.4748 Ω, R r = 0.1900 Ω, L ls = 0.0028745 H, L lr = 0.0028745 H, L m = 0.06838 H,
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L s = 0.0712545 H, L r = 0.0712545 H, Moment of Inertia (MI) = 0.229 J.
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Jadeja, R., Yadav, A.K., Trivedi, T., Chauhan, S.K., Patel, V. (2017). Hardware Implementation of DSP-Based Sensorless Vector-Controlled Induction Motor Drive. In: Dash, S., Vijayakumar, K., Panigrahi, B., Das, S. (eds) Artificial Intelligence and Evolutionary Computations in Engineering Systems. Advances in Intelligent Systems and Computing, vol 517. Springer, Singapore. https://doi.org/10.1007/978-981-10-3174-8_68
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DOI: https://doi.org/10.1007/978-981-10-3174-8_68
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