Abstract
Results of investigating bearing currents in high power induction motors are presented in the paper. The tests have been carried out in specialized industrial laboratory, where it is possible to achieve direct start of high-power induction motors supplied from 1000 V network. The bearing damages due to bearing currents are demonstrated. It has been proven that when motor operates within definite range of temperature and rotational speed, impulses of bearing currents dangerous to the bearings appear. The presented research results describe damage hazard to durability of motor and load bearing units.
| Translated title of the contribution | Prądy łożyskowe w silnikach indukcyjnych dużej mocy |
|---|---|
| Original language | English |
| Pages (from-to) | 62-65 |
| Number of pages | 4 |
| Journal | Przeglad Elektrotechniczny |
| Volume | 89 |
| Issue number | 9 |
| Publication status | Published - Sept 2013 |
Keywords
- Bearing current
- Bearing failure
- Induction motor
- Shaft voltage
ASJC Scopus subject areas
- Electrical and Electronic Engineering
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