How a stepdown transformer is used …
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Posted by Tamanna Sharma 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
For jointing two metallic joints through welding process, high temperature is required. The temperature is proprtional to the square of the current through the circuit.
The higher the current, the higher the temperature.
When the secondary of the transformer has less number of turns in comparison to the number of turns in the primary, it is called a step down transformer.
The secondary voltage of step down transformer is less than the primary and the current of the secondary is more than the primary current. Principally, the power of the primary and secondary is equal.
This larger secondary current is very useful in welding process. That is why step down transformer is used for welding
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