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classification of transformers ?
Based on the design of transformers that is the manner in which the primary and secondary coils are provided around the laminated steel core.
1. Core-Type Transformer
2. Shell-Type Transformer
In core-type construction, primary and secondary windings will be placed around the core. In other words the core is like a hollow square around the centre. The shell-core is the most efficient type and quite popular. The E and I shaped sections are butted to form laminations.
Based on the turns in a transformer they are classified as
1. step-up transformer
2. step-down transformer.
Step-up transformer has more turns in secondary coil than primary coil and the p.d leaving sec coil is greater than primary coil. In step down transformer, the fewer turns in secondary coil than primary coil generates p.d less in secondary coil than primary coil
Thanks & Regards,
Vasantha Sivaraj,
askIITians faculty.
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