WordNet
step-up transformer
n. a transformer that increases voltage
Usage examples of "step-up transformer".
He hauled one huge step-up transformer before him, adjusted a complex array of coils and dials.
There was a sharp, whirring sound, and crackling sparks shot from the step-up transformer.
The trickle of power flowed into superconductor cables, becoming a stream of electricity that was boosted with a step-up transformer into a raging torrent of power that was converted into safe and harmless microwaves to beam down to Earth.