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  •   Patrick O. Oseghale

  •   Nkwachukwu Chukwuchekwa

Abstract

Majority of SCADA (Supervisory Control and Data Acquisition) systems that is being deployed and implemented all over the world utilizes a much larger network that is complex and expensive. This paper provides and demonstrates a cheaper alternative. The developed system which may be used for domestic applications has the ability to monitor the supply voltage, speed, casing and stator temperature as well as to control the speed of the motor. It can transmit the data of these monitored parameters, wirelessly, between the base station (site) and mobile station (android phone) through Bluetooth. The mobile station serves as the display medium to enable the user to view these parameters and also have input keypads that the user can use to alter the speed. To achieve this, an embedded system was used which involves the programming of PIC microcontrollers using assembly language. Other discrete components such as resistor, capacitor, transistors etc. were also utilized. A variable frequency driver was designed to drive the induction motor and interface with the microcontroller. After the design, construction and testing, the results were satisfactory as the SCADA system could alter induction motor speeds, collate motor casing and stator temperature, supply voltage and speed in revolutions per minute (RPM) and transmit them to the android phone. Temperature range of 24ºC to 51ºC, motor speed of 747 to 2234 RPM, and supply voltage of 179 to 221V AC was measured.

Keywords: Android, Bluetooth, PIC, SCADA, Induction Motor.

References

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How to Cite
[1]
Oseghale, P. and Chukwuchekwa, N. 2019. Development of an Android Based SCADA System for Induction Motor Application. European Journal of Electrical Engineering and Computer Science. 3, 4 (Jul. 2019). DOI:https://doi.org/10.24018/ejece.2019.3.4.102.