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1. Transformers
2. Construction Transformers are based on the mutual induction principle
A basic transformer consists of 2 laminated windings based around a steel core
3. Transformer Construction
4. Transformer Calculation To calculate the size of transformers and number of turns required to achieve the output, we can use the following formula:
5. Transformer Calculation To calculate the size of transformers and number of turns required to achieve the output, we can use the following formula: N = Number of turns
V = Voltage
I = Current
P = Primary
S = Secondary
6. Example Calculation A single phase step down transformer has 796 turns on its primary side and 365 turns on the secondary winding.
If the primary voltage is 240v calculate the secondary voltage
If the primary current is 10A, calculate the secondary current
7. Solution