|3/2015 - 17|
Noise and Vibration Monitoring for Premium Efficiency IE 3 Three-Phase Induction MotorsNISTOR, C. G. , SCUTARU, G. , CAMPEANU, R. , CERNAT, M.
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acoustic noise, energy efficiency, induction motors, noise measurement, vibration measurement
induction(21), noise(16), machines(16), motor(15), vibration(11), phase(9), optimization(9), motors(8), drives(8), power(7)
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About this article
Date of Publication: 2015-08-31
Volume 15, Issue 3, Year 2015, On page(s): 117 - 122
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2015.03017
Web of Science Accession Number: 000360171500017
SCOPUS ID: 84940752492
The paper presents the original SV-100 platform that enables low-cost and very high accuracy determinations of noise and vibration levels. The aim of the proposed platform is to achieve an effective integration of the two topics of this analysis: vibrations and noises. To the best of our knowledge, no low price, dedicated compact platform with embedded measuring instruments exists. For proving the practical utility of the proposed platform, two induction motors of 7.5 kW and 11 kW, respectively, in single-layer winding, at 1000 rpm, with IE3 premium efficiency were analyzed. This analysis is required because, according to IEC60034-30 standard, the IE3 efficiency standard has become mandatory for induction motors of rated power greater than 7.5 kW. Therefore, in order to improve the motor operating efficiency, the power losses caused by noises and vibrations have to be reduced. Several variants of supply were studied, i.e., by the three-phase 50 Hz network and by a three-phase inverter at 40, 50 and 60 Hz, respectively. The experimental determinations of noises are presented comparatively, by using a Bruel&Kjaer sonometer and by using the new platform SV-100. The results are compared with the IEC60034 standard.
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Stefan cel Mare University of Suceava, Romania
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