Thermal performance of stress grading systems for converter-fed motors

IEEE Electrical Insulation Magazine

Volumn 23, Issue 2, 2007, Pages 5-11

  Wheeler, J C G ^a   Gully, A M ^c   Baker, A E ^b   Perrot, F A ^b  

^a Electrical Insulation Association   (United Kingdom)

^b AREVA T&D   (France)

^c NONE

Author keywords

Converter fed motors; Endwindings; Finite element analysis; High temperature; Stress grading tape; Surface resistivity; Thermal aging

Indexed keywords

CONVERTER FED MOTORS; ENDWINDINGS; STRESS GRADING SYSTEM;

ELECTRIC WINDINGS; FINITE ELEMENT METHOD; STATORS; STRESSES; SURFACE RESISTANCE; THERMAL AGING; THERMAL EFFECTS;

ELECTRIC CONVERTERS;

EID: 34248640144     PISSN: 08837554     EISSN: None     Source Type: Journal    
DOI: 10.1109/MEI.2007.357804     Document Type: Article

References (8)

1. J. C. G. Wheeler, A. M. Gully, A. E. Baker, and F. A. Perrot, "Novel stress grading systems for converter-fed machines," Elect. Insulation Mag., vol. 23, pp. 27-33, Jan./Feb. 2007.
2. F. P. Espino-Cortez, E. A. Cherney, and S. Jayaram, "Effectiveness of stress-grading coating on form wound stator coil groundwall insulation under fast risetime pulse voltages," IEEE Trans. Energy Conversion vol. 20, pp. 844-851, 2005.
3. M. Li, E. Martensson, F. Sahlen, K. Johansson, H.-A. Eriksson, O. Koponen, and S. Paakonen, "Effects of repetitive pulse voltages on surface temperature increase at end corona protection region of high voltage motors," in 10th INSUCON Int. Insulation Conf., Birmingham, UK, May 2006, pp. 105-109.
4. J. C. G. Wheeler and F. A. Perrot, "Evaluation of a novel stress grading system for converter-fed machines above 1 kV," in Proc. 10th INSUCON Int. Insulation Conf., Birmingham, UK, May 2006, pp. 93-98.
5. J. C. G. Wheeler, A. Baker and A. M. Gully, "Stress-grading materials for use in electrical machines," in Proc. 9th INSUCON Int. Insulation Conf., Berlin, June 2002, pp. 209-213.
6. A. E. Baker, A. M. Gully, G. J. Malkin and J. C. G. Wheeler, "Insulation systems for inverter fed motors," in Proc. 9th INSUCON Int. Insulation Conf., Berlin, June 2002, pp. 143-147.
7. B. Marusic, "Efficiency evaluation of the semi-conducting stress-control systems," in Proc. 7th Int.Elect. Insulation Conf. Brighton, UK, June 1994, pp. 56-60.
8. A. E. Baker, A. M. Gully and J. C. G. Wheeler, "Finite-element modelling of non-linear stress-grading materials for machine endwindings," in Proc. IEE Conf. Power Electron., Mach. Drivers, 2002., pp. 265-268.