Answer to Question 1
A wound rotor is made of coils in which current is supplied through slip rings and brushes to form an electromagnet; a squirrel cage rotor is made of laminated segments and its magnetic field is created by induction.
Answer to Question 2
The exciter can be mounted externally and supply current through slip rings or the exciter can be a rotating armature type exciter that is mounted on the same shaft as the main rotor field and supplies current to the main rotor through rectifying diodes
Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
Difference between Asian (left) and African (right) elephant ears.
Eastern gray squirrel drey
Black (melanistic) eastern gray squirrel, Ottawa, Ontario
A two-week-old red squirrel
Sheridan Motors is a car dealership that would like to investigate if there is a difference in ...