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Pulse Width Modulation Technique Based FPGA Implementation of Ac Motor Speed Control


Sundaram A, Kibru Mesfin Germamo, Bekalu Lakie Yideg
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In this paper a pulse width modulation is used to regulate the current sent to the motor. Unlike SCR method which switch at line frequency, PWM controls produce smoother current at higher switching frequencies, typically between 1 kHz to 20 kHz. This consists of a large reservoir capacitor and a H-bridge arrangement of switching elements e.g. thyristors, MOSFET, solid state relays or transistors. This technique is used to control the power to inertial electrical devices, made practical by modern electronic power switches. The advantage of hardware parallelism, FPGAs exceed the computing power of digital signal processors (DSPs) by breaking the paradigm of sequential execution. FPGA technology offers flexibility and rapid prototyping capabilities in the face of increased time-to-market concerns. It enables to test an idea or concept and verify it in hardware without going through the long fabrication process. The cost of making incremental changes to FPGA designs is negligible. The validity of the proposed controller is confirmed through the simulation results. To implement it in the laboratory various parameters like rotor flux, rotor current and operating points, rotor parameter tuning are to be estimated. The proposed speed control system can be useful for the variable speed drive systems.

Sundaram A, Kibru Mesfin Germamo, Bekalu Lakie Yideg

FPGA Implementation, PWM, SCR, AC Motor Control

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Publication Details

Published in : Volume 3 | Issue 2 | March-April - 2017
Date of Publication Print ISSN Online ISSN
2017-04-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
249-253 IJSRSET173227   Technoscience Academy

Cite This Article

Sundaram A, Kibru Mesfin Germamo, Bekalu Lakie Yideg, "Pulse Width Modulation Technique Based FPGA Implementation of Ac Motor Speed Control", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 2, pp.249-253, March-April-2017.
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