A transformer can have zero voltage regulation at

Question

Quizplus · Accepted Answer

Voltage regulation of a transformer can be zero or even negative when the load is at a leading power factor. This happens because the voltage drop across the transformer's impedance due to the reactive component of the load current can be compensated by the voltage rise due to the leading current, effectively making the secondary voltage equal to or greater than the primary voltage under load conditions.

A Transformer Can Have Zero Voltage Regulation at