zigzag power transformer

例句：

1. 1. The zigzag power transformer is used to convert alternating current into direct current.
   蛇形变压器用于将交流电转换为直流电。
2. 2. The zigzag power transformer is a critical component in the electrical grid.
   蛇形变压器是电网中的关键组件。
3. 3. The zigzag power transformer is designed to withstand high voltage and low frequency surges.
   蛇形变压器设计用来承受高电压和低频率的浪涌。