## Induction Machines

Electronics, Physics

An induction motor consists of an external stator and an internal rotor. Windings embedded in the stator is excited by a 3-phase AC supply to produce a rotating magnetic field.

## SPQ and Power Factor in AC Systems

Electronics, Physics

## DC Machines and Equivalent Circuits

Electronics, Physics

Separately Excited $$I_A \neq I_F$$ Separate supplies for field and armature $$T = K_T \cdot I_F \cdot I_A$$ $$I_F = \frac{V_F}{R_F}$$  E_