Dm. Brethauer et al., THE IMPACT OF EFFICIENCY ON THE ECONOMICS OF NEW MOTOR PURCHASE, MOTOR REPAIR, AND MOTOR REPLACEMENT, IEEE transactions on industry applications, 30(6), 1994, pp. 1525-1537
Electric motors consume a large percentage of the electrical power gen
erated in a modern industrial society. As the cost of energy increases
and energy resources become scarce, it is essential that the impact o
f efficiency by factored into economic decisions concerning new motor
purchase, motor repair, and motor replacement. Cash flow analysis tech
niques are applied to these decisions and simplified guidelines are pr
esented to help users justify the purchase of premium efficiency motor
s.