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Title: Comparison of standards for determining efficiency of three phase induction motors

Abstract

The paper describes a set of experiments and discusses their results for determining the efficiency of low voltage, three phase squirrel cage induction motors. The measured efficiency of an induction motor directly connected to the grid, strongly depends on the method used to evaluate the results and the standard according to which the measurements are performed. Different standards as IEEE 112 and IEC 32 are mentioned and their similarities sand differences are discussed. The main discrepancies between the various standards is the way in which the values for the stray load losses are obtained at different load levels. A short description of the measurement setup is given and measurement results for motors of several manufacturers accounting for different standards are proposed. The results clearly demonstrate the necessity to handle the efficiency data given by the manufacturer with a lot of care.

Authors:
; ;
Publication Date:
Research Org.:
Katholieke Univ. Leuven, Heverlee (BE)
OSTI Identifier:
20001181
Resource Type:
Journal Article
Journal Name:
IEEE Transactions on Energy Conversion (Institute of Electrical and Electronics Engineers)
Additional Journal Information:
Journal Volume: 14; Journal Issue: 3; Other Information: PBD: Sep 1999; Journal ID: ISSN 0018-9383
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; ELECTRIC MOTORS; ENERGY EFFICIENCY; ACCURACY; STANDARDS; ENERGY LOSSES

Citation Formats

Renier, B., Hameyer, K., and Belmans, R. Comparison of standards for determining efficiency of three phase induction motors. United States: N. p., 1999. Web. doi:10.1109/60.790906.
Renier, B., Hameyer, K., & Belmans, R. Comparison of standards for determining efficiency of three phase induction motors. United States. doi:10.1109/60.790906.
Renier, B., Hameyer, K., and Belmans, R. Wed . "Comparison of standards for determining efficiency of three phase induction motors". United States. doi:10.1109/60.790906.
@article{osti_20001181,
title = {Comparison of standards for determining efficiency of three phase induction motors},
author = {Renier, B. and Hameyer, K. and Belmans, R.},
abstractNote = {The paper describes a set of experiments and discusses their results for determining the efficiency of low voltage, three phase squirrel cage induction motors. The measured efficiency of an induction motor directly connected to the grid, strongly depends on the method used to evaluate the results and the standard according to which the measurements are performed. Different standards as IEEE 112 and IEC 32 are mentioned and their similarities sand differences are discussed. The main discrepancies between the various standards is the way in which the values for the stray load losses are obtained at different load levels. A short description of the measurement setup is given and measurement results for motors of several manufacturers accounting for different standards are proposed. The results clearly demonstrate the necessity to handle the efficiency data given by the manufacturer with a lot of care.},
doi = {10.1109/60.790906},
journal = {IEEE Transactions on Energy Conversion (Institute of Electrical and Electronics Engineers)},
issn = {0018-9383},
number = 3,
volume = 14,
place = {United States},
year = {1999},
month = {9}
}