voltage transformer

Definitions

Cars & Driving

  • noun an assembly for increasing the voltage supplied to the air bag system to 12 volts in case of a drop in battery voltage

Electronics

  • A transformer utilized to provide an output voltage different than the input voltage. It is a step-down transformer when the output voltage is lower than the input voltage, or a step-up transformer when the output is higher than the input voltage. Used, for instance, as an instrument transformer. Also called potential transformer.
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