Static and dynamic rotor eccentricity on-line detection and discrimination in synchronous generators by no-load E.M.F. space vector loci analysis

SPEEDAM 2008 - International Symposium on Power Electronics, Electrical Drives, Automation and Motion

Volumn , Issue , 2008, Pages 1259-1264

  Bruzzese, C ^a   Giordani, A ^a   Santini, E ^a  

^a SAPIENZA UNIVERSITY OF ROME   (Italy)

Author keywords

Finite element analisys; Matrix of inductances; Rotor air gap eccentricity fault; Synchronous generators

Indexed keywords

ELECTRIC LOAD SHEDDING; INDUSTRIAL ENGINEERING; NORMAL DISTRIBUTION; POWER ELECTRONICS; SHIPS; SPOT WELDING; STATIC ANALYSIS; SYNCHRONOUS GENERATORS; SYNCHRONOUS MACHINERY; THREE DIMENSIONAL; THREE DIMENSIONAL COMPUTER GRAPHICS; VECTORS;

AIR GAPS; DIFFERENT EFFECTS; ELECTRICAL DRIVES; EXTERNAL-; FEM ANALYSIS; FINITE ELEMENT ANALISYS; HYDRO-GENERATORS; INTERNATIONAL SYMPOSIUM; LOCI ANALYSIS; MATRIX OF INDUCTANCES; MONITORING TECHNIQUES; NON-INVASIVE MONITORING; ON-LINE DETECTION; OVALITY; ROTOR AIR-GAP ECCENTRICITY FAULT; ROTOR ECCENTRICITY; SPACE VECTORS; STATIC AND DYNAMIC; STATIC ECCENTRICITIES; WAVEFORMS;

ELECTRIC GENERATORS;

EID: 51849128234     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/SPEEDHAM.2008.4581180     Document Type: Conference Paper

References (10)

1. P. J. Tavner, and J. Penman, Condition Monitoring of Electrical Machines. Letchworth, England: Research Press Limited, 1987.
2. H. A.Tolyat and S. Nandi, "Condition Monitoring and fault diagnosis of electrical machines", in Proc. IEEE-IAS 1999 Annual Meeting, Phoenix, AZ, Oct. 3-7, 1999, pp. 197-204.
3. W. T. Thomson, A. Barbour, "On line current monitoring and application of a finite element method to predict the level of static airgap eccentricity in three-phase induction motors", IEEE Transaction on Energy Conversion, Vol.13, No. 4, Dec. 1998.
4. P. Talas and P. Toom, "Dynamic measurement and analysis of air gap variations in large hydroelectric generators", IEEE Transactions on Power Apparatus and System, Vol. PAS-102, No.9, September 1983.
5. G. B. Pollock and J. F. Lyles, "Vertical hydraulic generators experience with dynamic air gap monitoring", IEEE Transaction on Energy Conversion, Vol. 7, No. 4, December 1992.
6. H. A. Toliyat, N. A. Al-Nuaim, "Simulation and Detection of Dynamic Air-Gap Eccentricity in Salient-Pole Synchronous Machines", IEEE trans. IAS, vol. 35, no. 1, Jan/Febr 1999.
7. P. J. Tavner, B. G. Gaydon and D. M. Ward, "Monitoring Generators and Large Motors," IEE Proceedings, vol. 133, pt. B, no. 3, pp. 169-180, May 1986.
8. J. Faiz, I. Tabatabaei, "Extension of Winding Function Theory for Nonuniform Air Gap in Electric Machinery", IEEE transactions on magnetics, vol. 38, no. 6, November 2002.
9. N. A. Al-Nuaim, H. A. Toliyat, "A Novel Method for Modeling Dynamic Air-Gap Eccentricity in Synchronous Machines Based on Modified Winding Function Theory", Dept. of Electrical Engineering Texas A&M University.
10. C. Bruzzese, A. Giordani, A. Rossi, and E. Santini, "Synchronous Generator Eccentricities Modeling by Improved MWFA and Fault Signature Evaluation in No-Load E.M.F.s and Current Spectra," submitted for review to SPEEDAM 2008 Symposium, Ischia, Italy, 18-20 June, 2008.