American Journal of Electrical and Electronic Engineering
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American Journal of Electrical and Electronic Engineering. 2020, 8(1), 35-42
DOI: 10.12691/ajeee-8-1-5
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Design and Construction of 1.5 Kva Modified Sine Wave Mosfets Driver Inverter

Oyeleye M. O.1, and Ayoola S. A.1

1Department of Electrical and Electronics Engineering Federal University of Technology Akure, Ondo State Nigeria

Pub. Date: March 01, 2020

Cite this paper:
Oyeleye M. O. and Ayoola S. A.. Design and Construction of 1.5 Kva Modified Sine Wave Mosfets Driver Inverter. American Journal of Electrical and Electronic Engineering. 2020; 8(1):35-42. doi: 10.12691/ajeee-8-1-5


The need for power increases every day and problems encountered with the use of generating sets characterized with noise pollution, environmental pollution and the need for regular servicing call for the need for a system that eliminate all of the aforementioned problems. This research focus on design and construction of 1.5 kVA modified sine wave MOSFETs driver inverter to power critical loads in offices and homes. In order to achieve the focus of this research, load survey of the critical loads was done and other necessary components of the inverter were sized based on the designed loads using the appropriate equations. The load was classified into two categories namely: load A (694A) and B (593A) which were non inductive and inductive respectively. The inverter was designed to power the loads A and B (1287A) at the same time. The inverter powered critical loads A and B between 90.4 % and 91.7% efficiency respectively when it is individually connected. Also, the inverter powered the critical load A and B at the same time with efficiency of 84%. The inverter is in operation for over twelve months to date. The result showed that as the load increases, the voltage output decreases and so also the efficiency decreases. The designed inverter is suitable for all connected loads. The designed inverter can be used as a backup in case of main utility power failure for homes and offices. Higher power output could be further researched into.

inverter MOSFETs critical load inductive load battery efficiency

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