IJFANS International Journal of Food and Nutritional Sciences

ISSN PRINT 2319 1775 Online 2320-7876

ANDROID BASED SPEED CONTROL OF INDUCTION MOTOR USING CYCLOCONVERTER

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Y. Vijay Jawahar Paul,O.Mohan,N.Raju,S.Chandana

Abstract

The main objective of this paper is to design a model to control the speed of induction motor such as fan using android based smart phone. In this case, IOT can be used to remotely control the speed of an induction motor. The Android phone acts as a transmitter, while a WIFI module receiver connected to a PIC controller receives the signal. Each time, data is transmitted by the Android application (Blynk) in accordance with the written code, which is then carried out by the microcontroller to deliver the supply signal to the TRIAC through opto isolators. As a result, the received signal is used to control the power to a load linked in series with a TRIAC and to control the induction motor's speed. The host in this design is also given feedback. In order to display the speed to the user, a speed counter is attached to the induction motor's load. An android application (Blynk) is given control of the induction motor, and it displays the options for controlling the motor's speed. In this project, we use an AC-to-AC conversion, or cycloconverter, together with thyristors to control the speed of an induction motor in three steps. F, F/2, and F/3 are the three steps in question. Domestic appliances like washing machines and vacuum cleaners frequently employ single-phase induction motors. By employing a cycloconverter, we can get over the fundamental drawback of induction motors, which is that it is highly expensive to change their speed using other devices like VFDs (variable frequency drives). The PIC18F458 microcontroller is utilized in the functioning of an induction motor speed control to select the speed ranges (F, F/2, F/3, and F/4). We employed thyristors i.e., TRIACS for its functioning since it is quite challenging to change the frequency of the AC supply at a low cost with great accuracy. The three-phase induction motor can also use this by connecting this in each phase.

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