Theoretical analysis of capacitive effect of roller bearings on repeated starts and stops of a machine operating under the 1 influence of shaft voltages

Journal of Tribology

Volumn 114, Issue 4, 1992, Pages 818-822

  Prashad, Har ^a  

^a Metallurgy Department   (India)

Author keywords

[No Author keywords available]

Indexed keywords

CAPACITANCE MEASUREMENT; ELECTRIC MACHINE THEORY; FILMS; LEAKAGE (FLUID); LUBRICANTS; SHAFTS (MACHINE COMPONENTS);

BEARING SURFACES; CAPACITIVE EFFECTS; SHAFT REVOLUTIONS; SHAFT VOLTAGES;

ROLLER BEARINGS;

EID: 0026940662     PISSN: 07424787     EISSN: 15288897     Source Type: Journal    
DOI: 10.1115/1.2920954     Document Type: Article

References (14)

1. Verma, S. P., and Gupta, Vikas, “Shaft Potential in Modern Turbogenerators with Particular Reference to Static Excitation,” Department of Electrical Engg., University of Saskatchewan, Saskatoon, Sask., Canada S7N 0W0, 980.
2. Anderson, S., “Passage of Electric Current Through Rolling Bearings,” The Ball Bearing Journal, No. 153, 1968, pp. 6-12.
3. Chu, P. S. Y., and Cameron, A., “Flow of Electric Current Through Lubricated Contacts,” ASLE Trans., Vol. 10, 1967, pp. 226-234.
4. Prashad, H., “Effects of Operating Parameters on the Threshold Voltages and Impedance Response on Non-Insulated Rolling Element Bearings under the Action of Electrical Currents,” Wear, Vol. 117, 1987, pp. 223-240.
5. Prashad, H., “Investigations of Corrugated Pattern on the Surfaces of Roller Bearings Operated under the Influence of Electrical Fields,” Lubrication Engineering, Vol. 44, No. 8, 1988, pp. 710-718.
6. Prashad, H., “Theoretical Evaluation of Impedance, Apacitance and Charge Accumulation of Roller Bearings Operated Under Electrical Fields,” Wear, Vol. 125, 1988, pp. 223-239.
7. Komatsuzaki, S., “Bearing Damage by Electrical Wear and Its Effects on Deterioration of Lubricating Grease,” Lubrication Engineering, Vol. 43, 1987, pp. 25-30.
8. Prashad, H., and Murthy, T. S. R., “Behaviour of Greases in Statically Bounded Conditions and When Used in Non-Insulated Anti-Friction Bearings under the Influence of Electrical Fields,” Journal of Lubrication Engineering, Vol. 44, No. 3, 1988, pp. 239-246.
9. Prashad, H., “The Effect of Current Leakage on Electro-adhesion Forces in Rolling Friction and Magnetic Flux Density Distribution on the Surfaces of Rolling Element Bearings,” ASME Journal of Tribology, Vol. 110, 1988, pp. 448-455.
10. Prashad, H., “Theoretical Analysis of the Effects of Instantaneous Charge Leakage of Roller Tracks of Roller Bearings Lubricated with High Resistivity Lubricants under the Influence of Electric Current,” ASME Journal of Tribology, Vol. 112, Jan. 1990, pp. 37-43.
11. Kaehne Von P., “Shaft Voltage and Bearing Current,” A survey of published work, Electrical Research Association, Report no. 5030, 1964.
12. Bradford, M., “Prediction of Bearing Wear due to Shaft Voltage in Electrical Machines,” ERA Technology, Ltd., 1984.
13. Cotton, H., Advanced Electrical Technology, A. H. Wheeler and Company.
14. Prashad, H., “Analysis of the Effects of an Electric Current on Contact Temperature, Contact Stresses and Slip Bands Initiation on Roller Tracks of Roller Bearings,” Wear, Vol. 131, 1989, pp. 1-14.