ANSWERS TO QUESTIONS Q1. THROUGH Q21.
A conductor and a magnetic field.
Rotating armature and rotating field.
Output voltage is taken directly from the armature (not through brushes or slip rings).
To provide dc current for the rotating field.
Kilovolt-amperes (volt amperes).
Internal combustion engines, water force and electric motors.
One voltage (one output).
Placement of armature coils.
C is 1.414 times greater than A or B.
Each phase is displaced 120º from the other two.
Wye and Delta.
Three single-phase, delta-delta, step-down transformers.
Speed of rotation and number of poles.
Voltage regulation. As a percentage.
By varying the voltage applied to the field windings.
Output voltage, frequency, and phase relationships.