หม้อแปลงไฟฟ้า The basic purpose of step down transformers, as the very name indicates, is to reduce electrical voltage. This kind of transformer steps down the voltage as applied to by the user. For instance, a step down transformer becomes necessary when you wish to use a product needing 110v where the main supply is 220v. As a rule, a step-down transformer is a transformer whose secondary voltage is less than its primary voltage.
In other words, a step down transformer converts electrical voltage from a higher level or phase configuration to a lower level. They include many features such as electrical isolation, power distribution, and control and instrumentation applications.Step down transformers are designed on the principle of magnetic induction between coils to convert voltage and/or current levels. Transformers Transformers
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