Induction Motor Drive Using Thyristor Based Cycloconverter for Variable Torque Load Application

Authors

  • Prasenjit M. Sontakke  M. Tech Scholar, Department of Electrical Engineering, Wainganga College of Engineering And Management, Nagpur, Maharashtra, India
  • Alok Ranjan  Assistant Professor, Department Of Electrical Engineering, Wainganga College Of Engineering And Management, Nagpur, Maharashtra, India

Keywords:

Cycloconverter, Induction Motor, Voltage Regulator, Supply Frequency

Abstract

We have designed this project to control the speed of a single phase induction motor by using cycloconvertor technique by thyristors. Induction motors in particular are very robust and therefore used in many domestic appliances such as washing machines, vacuum cleaners, water pumps, and used in industries as well. A.C. motors have the great advantages of being relatively inexpensive and very reliable. The induction motor is known as a constant-speed machine, the difficulty of varying its speed by a cost effective device is one of its main disadvantages. As the AC supply frequency cannot be changed, so this project uses a thyristor controlled cycloconverter which enables the control of speed in steps for an induction motor. A pair of slide switches is provided to select the desired speed range (F, F/2 and F/3) of operation of the induction motor. These switches are interfaced to the microcontroller. The status of the switches enables the microcontroller to deliver the pulses to trigger the thyristors in a dual bridge. Thus, the speed of the induction motor can be achieved in three steps i.e. (F, F/2 and F/3). This very concept can be further enhanced and implemented to control the speed of a three phase induction motor. It can also be coupled with firing angle control for any desired speed.

References

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International Journal of Scientific Research in Science and Technology

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Published

2017-06-30

Issue

Volume 3, Issue 4, May-June-2017

Section

Research Articles

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How to Cite

[1]
Prasenjit M. Sontakke, Alok Ranjan, " Induction Motor Drive Using Thyristor Based Cycloconverter for Variable Torque Load Application, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 3, Issue 4, pp.486-489, May-June-2017.