Uncertainty analysis of measuring system for instantaneous power research

• Autorzy: Dzwonkowski A. , Swędrowski L.
• Języki publikacji: PL

Abstrakty

EN

The electrical power drawn by an induction motor is distorted in case of appearance of a certain type of failures. Under spectral analysis of the instantaneous power one obtains the components which are connected with definite types of damage. An analysis of the amplitudes and frequencies of the components allows to recognize the type of fault. The paper presents a metrological analysis of the measurement system used for diagnosis of induction motor bearings, based on the analysis of the instantaneous power. This system was implemented as a set of devices with dedicated software installed on a PC. A number of measurements for uncertainty estimation was carried out. The results of the measurements are presented in the paper. The results of the aforementioned analysis helped to determine the measurement uncertainty which can be expected during bearing diagnostic measurements, by the method relying on measurement and analysis of the instantaneous power of an induction machine.

Słowa kluczowe

EN

measuring system; metrological analysis; power measurements; measurement uncertainty; induction motor diagnostics

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2012
• Tom: Vol. 19, nr 3
• Strony: 573--582
• Opis fizyczny: Bibliogr. 11 poz., rys., tab.

Twórcy

autor

Dzwonkowski A.

autor

Swędrowski L.

• Gdansk University of Technology, Faculty of Electrical and Control Engineering, ul. Narutowicza 11/12, 80-233 Gdansk, Poland,

Bibliografia

• [1] Bellini, A., Immovilli, F., Rubini, R., Tassoni, C. (2008). Diagnosis of bearing faults of induction machines by vibration or current signals: A critical comparison. IEEE Industry Applications Society Annual Meeting, 5-9, 1-8.
• [2] Swędrowski, L. (2010) Current measurements and analysis for induction motor diagnostics. Metrol. Meas. Syst., 17(1), 87-94.
• [3] Dzwonkowski, A., Swędrowski, L. (2010). Motor Bearing Diagnostics Performed by Means of Laser Vibrometer. In Proc. Conference SDEMPED 2011, 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, Bologna, Italy, 1-5 [pdf].
• [4] Swędrowski, L. (2010). Diagnostics of induction motor bearings - possibility of measurements. In Proc. Eighth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies CM 2010. BINDT. 1-10 [pdf].
• [5] Swędrowski, L., Rusek, J. (2009). Model and laboratory simulation of a induction motor for diagnostic purposes. Metrol. Meas. Syst., 16(4), 607-618.
• [6] Bellini, A., Immovilli, F., Rubini, R., Tassoni, C. (2008), Diagnosis of bearing faults in induction machines by vibration or current signals: A critical comparison. Conf. Rec. IEEE IAS Annu. Meeting, Edmonton, AB, Canada, 1-8.
• [7] Schoen, R.R., Habetler, T.G., Kamran, F., Bartheld, R.G. (1995) Motor bearing damage detection using stator current monitoring. IEEE Trans. Ind. Appl., 31(6), 1274-1279.
• [8] Thomson, W.T., Fenger, M. (2001). Current signature analysis to detect induction motor faults. Industry Applications Magazine, IEEE, 7(4), 26-34.
• [9] Evaluation of measurement data. (2009). An introduction to the “Guide to the expression of uncertainty in measurement” and related documents, JCGM 104.
• [10] Evaluation of measurement data. (2008). Guide to the expression of uncertainty in measurement, JCGM 100, GUM 1995 with minor corrections, First edition.
• [11] Birch, K. (2001) Measurement Good Practice Guide, Estimating Uncertainties in Testing, An Intermediate Guide to Estimating and Reporting, Uncertainty of Measurement in Testing. British Measurement and Testing Association, 36, ISSN 1368-6550.