Transformer

Spiral Inductor Calculator

A transformer

Polarity of transformer

IB

Bind

B

Bind

I

I

Symbols of transformer

Dot Convention

With the reference direction for a current enters the dotted terminal of a coil, the reference polarity of the voltage that it induces in the other coil is positive at itsdotted terminal.

A Procedure for Determine Dot Markings

Practice for Determining Dot Markings

An Experimental Procedure for Determining Polarity Marks

Example 6.6

Derivation of L1 and M

Derivation of L2 and M

Energy Storage