Figure 40 is a general sizing chart for
synchronous and induction motors.
Leading power factor motors are slightly less
efficient than unity power factor motors, but they
do double duty. Their application depends on the
necessity for power factor correction.
Induction motors require from 0.3 to 0.6
reactive magnetizing kVA per HP of operating
load. 0.8 leading power factor synchronous
motors will deliver from 0.4 to 0.6 corrective
magnetizing kVA per HP depending on the
mechanical load carried. Equal amounts of
connected HP in induction motors and 0.8 leading
power factor synchronous motors will result in
APPLICATIONS
approximate unity power factor.