Transformer design involves creating electrical devices that transfer energy between circuits through electromagnetic induction. Key components include the core, which provides a path for magnetic flux, and windings, which are coils of wire that generate and receive electrical energy. The design must consider factors like voltage levels, frequency, and efficiency to ensure optimal performance. In designing a transformer, engineers must also account for materials used in the core and windings, as these affect the device's efficiency and heat generation. Proper insulation is crucial to prevent electrical shorts and ensure safety. Overall, effective transformer design is essential for reliable power distribution in various applications.