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Title: What you should know about energy-efficient motors

Abstract

A higher initial cost for a high-efficiency motor is offset by reduced energy consumption. Features of the higher-efficiency motor are: reduced losses in the stator and rotor cores by adding more material and using materials with improved core loss properties; increased cross-section area of the stator and rotor conductors to reduce resistance; the rotor--stator air gap is designed to obtain the lowest current with the lowest stray load losses; the ventilating fan is designed for minimum windage losses; and the design of stator/rotor slot geometry is optimized. Speeds of 1200, 1800, and 3600 rpm and voltages of 200, 460/230, and 575 volts are available. Data on operating costs are tabulated and compared with standard motors.

Authors:
Publication Date:
OSTI Identifier:
6039767
Alternate Identifier(s):
OSTI ID: 6039767
Resource Type:
Journal Article
Journal Name:
Electr. Constr. Maint.; (United States)
Additional Journal Information:
Journal Volume: 78:2
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; ELECTRIC MOTORS; ENERGY EFFICIENCY; OPERATING COST; COMPARATIVE EVALUATIONS; ENERGY LOSSES; EXPERIMENTAL DATA; GRAPHS; OPERATION; PAYBACK PERIOD; POWER FACTOR; TABLES; COST; DATA; DATA FORMS; EFFICIENCY; INFORMATION; LOSSES; MOTORS; NUMERICAL DATA 320303* -- Energy Conservation, Consumption, & Utilization-- Industrial & Agricultural Processes-- Equipment & Processes

Citation Formats

Knisley, J.R. What you should know about energy-efficient motors. United States: N. p., 1979. Web.
Knisley, J.R. What you should know about energy-efficient motors. United States.
Knisley, J.R. Thu . "What you should know about energy-efficient motors". United States.
@article{osti_6039767,
title = {What you should know about energy-efficient motors},
author = {Knisley, J.R.},
abstractNote = {A higher initial cost for a high-efficiency motor is offset by reduced energy consumption. Features of the higher-efficiency motor are: reduced losses in the stator and rotor cores by adding more material and using materials with improved core loss properties; increased cross-section area of the stator and rotor conductors to reduce resistance; the rotor--stator air gap is designed to obtain the lowest current with the lowest stray load losses; the ventilating fan is designed for minimum windage losses; and the design of stator/rotor slot geometry is optimized. Speeds of 1200, 1800, and 3600 rpm and voltages of 200, 460/230, and 575 volts are available. Data on operating costs are tabulated and compared with standard motors.},
doi = {},
journal = {Electr. Constr. Maint.; (United States)},
number = ,
volume = 78:2,
place = {United States},
year = {1979},
month = {2}
}