Impacts of Steel Grades and Stack Lengths on Energy Efficiency of Small Capacitor Start Motors

K.H. Tiedemann (Canada)

Keywords

Electric motors, energy efficiency, steel grades, stacklength.

Abstract

About 250,000 fractional horsepower motors are sold annually in Egypt, with about 90 percent of these being capacitor start motors. Many of these motors are relatively inefficient and use more electricity than necessary. This paper examines the economic feasibility of putting in place minimum energy performance standards for fractional horsepower motors in Egypt. The study uses economic and engineering methods to estimate the energy impacts, costs and benefits of minimum energy performance standards for fractional horsepower motors.

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