- Mustapha T. A.*, Adeoti A. J., Ahmed K., Jimoh A. A., Ibrahim R. I., Owolabi O. & Abdulkareem U.
- Department of Electrical/Electronic Engineering, Kwara State Polytechnic, P.M.B 1375, Ilorin, Kwara State, Nigeria
- DOI: 10.5281/zenodo.21451947
This study presents the design, construction, and
comparative performance evaluation of a 4 kVA hybrid ferrite-based transformer
inverter for improved power supply applications. The system integrates solar
photovoltaic (PV) energy, battery storage, and utility grid supply within a
unified energy management framework to ensure continuous and reliable power
delivery for residential and small-scale commercial loads.
A high-frequency ferrite-core transformer operating at
50 kHz was implemented to reduce size, weight, and magnetic losses while
improving power density and efficiency. The inverter employs Pulse Width
Modulation (PWM) and Sinusoidal Pulse Width Modulation (SPWM) techniques to
generate a regulated 230 V, 50 Hz AC output. Experimental testing was conducted
under load conditions ranging from 330 W to 3,500 W.
Results
showed stable output voltage between 223 V and 230 V, frequency stability
between 49.7 Hz and 50.0 Hz, and efficiency ranging from 88.2% to 89.1%.
Comparative analysis demonstrated that the ferrite-based inverter outperformed
a conventional iron-core inverter in efficiency, voltage regulation, thermal
performance, and size reduction. The findings confirm that ferrite-based hybrid
inverter technology offers a more efficient and reliable solution for modern
power supply systems.
