Minimization of Starting Torque and Inrush Current of Induction Motor by Different Starting Methods using MATLAB SIMULINK

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Article type :

Original Article

Author :

Suraj Grover | Mr. Mahesh Mankar

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Abstract :

Induction motors are considered nowadays the most commonly used electrical machines, which are mainly used as electrical induction motors and sometimes as generators. This is mainly due to the simplicity of composition, low price, light weight, high reliability, easy to command and control performance and not containing parts that could easily breakdown compared with DC machines and synchronous machines. Starting the IM is the most important and dangerous step, where the motor properties play a major role in the evaluation of all electrical motors, and these properties are defined by the following factors Starting torque. starting current. transient state. smoothness of the starting, simplicity and economics of starting. In this paper, three different methods of starting three phase Induction Motor are discussed and compared through curves of currents, torque, speed. These methods are Direct On Line, Auto Transformer, Star Delta, for a constant power load condition. Simulation is made in MATLAB SIMULINK and comparatively results are estimated to evaluate the best starting method for different range of induction motor rating. Suraj Grover | Mr. Mahesh Mankar "Minimization of Starting Torque and Inrush Current of Induction Motor by Different Starting Methods using MATLAB/SIMULINK" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: Paper URL:

Keyword :

Inductionmotor(IM), Directonline(DOL), Autotransformer(AT), Star-delta(Y-D), StartingTorque, InrushCurrent
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