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24. DESIGN ANALYSIS OF A MICROCONTROLLER BASED CHANGE OVER SWITCH by Alexander Okandeji1, Akpovi Ominike, Olumide Odeyinka and Frank Onaifo Volume 57(June – July 2020 Issue)
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DESIGN ANALYSIS OF A MICROCONTROLLER BASED CHANGE OVER SWITCH

Alexander Okandeji1, Akpovi Ominike2, Olumide Odeyinka3 and Frank Onaifo4

Department of Electrical and Electronic Engineering, University of Lagos, Akoka, Lagos State, Nigeria

Department of Computer Science and Information Technology, Petroleum Training Institute, Warri, Delta State, Nigeria.

Department of Systems Engineering, University of Lagos, Akoka, Lagos State, Nigeria

Department of Electrical and Electronic Engineering, Olabisi Onabanjo University, Ogun State, Nigeria

Abstract

This paper investigates the design and implementation of a microcontroller-based single phase change-over system capable of controlling three power sources to solve the problems associated with manual mode of starting standby generators, change-over, and irregular power supply. In particular, this work considers the design and implementation of a microcontroller based 13KW, 230VAC change-over system for controlling three power sources. Results obtained showed that the proposed system eliminates the errors due to manual starting of generators, and eliminates unnecessary time delay in changeover of power supply. In addition, the system provides full automation for both the starting of the generator and the required changeover among the power sources (in this case, three sources), and also eliminates potential problems due to human inefficiency.

Keywords: single phase change-over system, microcontroller, change over, irregular power supply

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