Hi Sreid,
Your right in that me describing this as an induction charging unit is just another name for a transformer, when charging submersible units in a marine environment this is the term given to the form of charging.
Look at the dimensions you'll see that the construction is essentially...
Dear All
I'm designing an induction charging unit for use in the marine environment and would appreciate some advice.
Its construction is that of a secondary core docking within a primary (much like your electric toothbrush).
Sizes are approx. Primary : ext. diameter 250mm...