Design Topology of Sustainable Overload Protection of Transformer
Ahmed Rufai Salihu1, Chibuike Peter Ohanu2, Chinweike Chukwudebelu Okoli3
1Ahmed Rufai Salihu, Department of Electrical Engineering, University of Nigeria, Nsukka, Nigeria.
2Chibuike Peter Ohanu, Department of Electrical Engineering, University of Nigeria, Nsukka, Nigeria.
3Chinweike Chukwudebelu Okoli, Department of Electrical Engineering, University of Nigeria, Nsukka, Nigeria.
Manuscript received on 13 November 2022 | Revised Manuscript received on 24 November 2022 | Manuscript Accepted on 15 December 2022 | Manuscript published on 30 December 2022 | PP: 12-20 | Volume-12 Issue-1, December 2022 | Retrieval Number: 100.1/ijitee.A93571212122 | DOI: 10.35940/ijitee.A9357.1212122
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Abstract: Overload on transformer has been a principal cause of overheating in its windings, reduction of efficiency, lowering of lifespan and sometimes leads to burn. This can be attributed to a large quantity of current drawn by the loads in the circumstances. In this paper, a design topology capable of providing sustainable protection to transformer from overload is presented. The designed system detects current drawn when being loaded and able to protect the transformer by isolation while displaying the overload current immediately a load is placed resulting in drawing a higher amount of current than the rating of the transformer. This was verified using simulation and validated by experiment on a prototype design. The simulation and experimental results achieved show good correlation and exhibited the cogency of the design topology.
Keywords: Current sensor, New Topology, Overload, Over-Current, Transformer Protection.
Scope of the Article: Sustainable Structures