Xfrm Info Flashcards
0
Q
Types of cores
A
Air - wound around cylindrical or rectangular cardboard form
Iron -
Steel - laminated sheets of metal
Hollow core - primary and secondary on opposite sides
Shell core - e and i sections butted together, winding wrapped around the middle
1
Q
Types of transformer
A
Gas oil seal Conservator/expansion tank Automatic gas pressure Open tank Sealed tank Dry transformer
2
Q
Hystereis loss
A
Energy required to rotate or move the walls of the magnetic domains over a full cycle
3
Q
Induction eddy current
A
Due to the currents generated within a real conductor subjected to a varying magnetic field
4
Q
Transformer noise
A
Iron core of a transformer expanding and contracting due to magnetic field changing constantly
