The wave character of commutator wear in electrical machines

Wear

Volumn 253, Issue 9-10, 2002, Pages 935-945

  Wilk, Andrzej ^a   Moson, Ireneusz ^a  

^a GDANSK UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Brush; Commutator; Sliding contact; Surface waviness; Wear

Indexed keywords

ELECTRIC COMMUTATORS; ELECTRIC MOTORS; MACHINE WINDINGS; ROTATING MACHINERY; ROTORS; SPECTRUM ANALYSIS; VACUUM;

COMMUTATOR BARS;

WEAR OF MATERIALS;

ELECTRICAL MACHINE; RESEARCH; SLIDING CONTACT; WEAR;

EID: 0036849637     PISSN: 00431648     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0043-1648(02)00235-1     Document Type: Article

References (21)

1. What role for contact spots and dislocations in friction and wear?
2. Wear mechanism in graphite-copper electrical sliding contact
3. The sparking and wear of high current density electrical brushes
4. The influence of thermal expansion on the friction and wear process
5. Electrically and frictionally derived mound temperatures in carbon graphite brushes
6. Thermal stability in graphite contacts
7. Measurement and prediction of brush interface temperature at sliding electrical contacts
8. Thermoelastic evolution of contact area and mound temperatures in carbon graphite electrical contact
9. How the brush contact influences the process of commutation
10. Relation between brush contact voltage and no-spark zone of DC machine
11. The spark generation of universal motors
12. Reductions in wear rate of carbon samples sliding against wavy copper surfaces
13. Wear rate reductions in carbon brushes conducting current and sliding against wavy copper surfaces
14. Effects of micro (rocking) vibrations and surface waviness on wear and wear debris
15. Chaos in current distribution in the sliding contact of electric machines
16. An investigation of current distribution in the intercontact space in the sliding contact of a single-phase converter-fed ac commutator motor
17. Connexion between abrasion and diffusion voltage in the oxide layer of a carbon sliding contact
18. Electron spectroscopy analysis of contact surface in the wear of carbon brushes against copper commutators