[ 30 Jun 2021 | vol. 14 | no. 2 | pp. 31-40 ]

About Authors:

Ghulam Mustafa Shoro1, Irfan Ahmed Halepoto2, Muhammad Arsalan Jalees Abro3, Fahad Iqbal4 and Munwar Ali Bhand5
-1Department of Electronic Engineering, FET, University of Sindh, Jamshoro, Pakistan
-2Department of Electronic Engineering, Mehran University of Engineering & Technology, Jamshoro, Pakistan
-3PhD Student, Department of Electronics Engineering, Institute of Information Technology, Mehran UET, Jamshoro, Pakistan
-4Department of Computer System Engineering, Dawood University of Engineering & Technology, Karachi, Karachi


With the ever-growing urbanization and commercialization, the country like Pakistan is facing gigantic energy crises specially in form electricity shortage and large load scheduling which results in large power outages. These outages affect the efficiency of the loads and appliances which ultimatively damage the loads or appliances when the outages are frequent. The Automatic Transfer Switch (ATS) is one of the potential solutions to resolve this issue. It effectively provides the continuous supply of electricity to the load by switching from one source to another. The aim of this research is to design and create a prototype model of ATS which would allow the supply of electricity to the load without any disruptions. The supply is switched by ATS from direct supply to the power generated using different sources such as generator or batteries (Solar- charged or Standby). This switching is achieved through the interfacing and different components like electromagnetic contactors, relays, microcontrollers, voltage sensing circuits etc.
The proposed ATS system provides a safe and efficient method of switching supply from the power lines to a generator directly without the use of a separate medium. In switching made, the load is isolated from the power lines which keeps it secure from fluctuations and power surge. The proposed technique allows the load to be kept under workable operating conditions at all means which in return becomes an economical factor. The applications of ATS are more effective in commercial application (i.e., industries, production lines, businesses and shops) as these industries rely upon the rate of production and there is no margin for a delay and they are equipped with more sensitive equipment as compare to domestic applications.


Automatic Transfer Switch, Power Distribution, Backup Power Source, Direct Switching, Power Efficiency


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