Working Principle of a Booster Transformer

Mohanish Mehra31 Jul, 2026Technology

Booster transformers, also known as step-up transformers, are power devices designed for installation in residential and industrial electrical circuits. Their primary function is to increase voltage levels. Read on to understand the working principle and applications of booster transformers in detail. To understand step-up transformers (booster transformers), it is important to know their operating principle. These devices are commonly used in power plants and electrical transmission systems.