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step-down transformer

/ˈstep daʊn trænsˈfɔːrmər/

翻译: 一种将交流电源电压从较高电平降低到较低电平的电气设备,常用于电源和电力系统中。

1 个条目

phrase

/ˈstep daʊn trænsˈfɔːrmər/C1formaltechnical
  • zh一种将交流电源电压从较高电平降低到较低电平的电气设备,常用于电源和电力系统中。

An electrical device that reduces the voltage of an alternating current (AC) power supply from a higher level to a lower level, commonly used in power adapters and electrical systems.

  1. Voltage reduction deviceB2formal

    An electrical device that converts high-voltage electricity from a power source into lower-voltage electricity suitable for use in homes or equipment.

    zh降压变压器

    • The step-down transformer reduces the 240V supply to 12V for the garden lights.
    • Electricians installed a step-down transformer to safely power the low-voltage system.
    • Without a step-down transformer, the device would be damaged by the high voltage.