雙低壓變壓器
此類變壓器一、二次側均為低壓，一般用于海洋鉆井平臺或船舶上，作為鉆井變，推進變
或者照明變使用。對于用電安全要求較高的場合，此類變壓器可作為隔離變壓器使用。

Dual low voltage transformer
This kind of transformer, whose primary and secondary side are both low voltage, is
usually used as drilling transformer, propulsion transformer or lighting transformer on
offshore drilling platform or vessel. It can also be used as isolation transformer for the
place with a high requirement of safety