Electrical Transformer units are basic devices of power transmission and distribution; where electrical energy is smoothly passed between circuits. These devices are primary and secondary coils based on the principles of electromagnetic induction. They make power cheaper to spread than electric current by transforming voltage peaks and minimizing the wastage of energy. Whether they be large utility-scale installations or small devices, they play a key role in ensuring safe and reliable supply of electricity by proper voltage regulation. Modern power electrical transformer units ensure the free flow and consumption of electric energy by various high-powered systems.