Abstract
Problems relating to the achievement of protection for inter-turn insulation in multi-turn coils in PWM-based induction motors have currently aroused the interest of system designers and are being studied in great detail. However, such methods are impracticable to be carried out at every installation. A system designer should have prior knowledge of the transient overvoltages which are likely to occur in a proposed installation. For this, determination of transient overvoltage is essential. Present paper deals with the investigation of transient overvoltages in 5 HP synchronous motor caused by PWM-based inverter as well as the reduction of transient overvoltages at motor terminal by connecting appropriate RC suppressors. The simulation results show the effect of placing RC suppressor in the system to reduce the overvoltages at motor end. For this, a Simulink model is developed and implemented in MATLAB.
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Authors are grateful to MJCET, Jawaharlal Nehru Technological University Hyderabad and Shadan College of Engineering & Technology for providing opportunity to publish this paper.
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Sajid, M., Khan, A.A., Suryakalavathi, M., Singh, B.P. (2019). Effect of RC Surge Suppressor in Reduction of Over Voltages at Motor Terminal Caused by PWM-Based Inverter. In: Nath, V., Mandal, J. (eds) Nanoelectronics, Circuits and Communication Systems . Lecture Notes in Electrical Engineering, vol 511. Springer, Singapore. https://doi.org/10.1007/978-981-13-0776-8_19
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DOI: https://doi.org/10.1007/978-981-13-0776-8_19
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