Title :
Modeling and simulation of rolling element bearings in inverter-fed AC motors
Author :
Cay, Z. ; Henze, O. ; Weiland, T.
Author_Institution :
Inst. fuer Theor. Elektromagn. Felder, Tech. Univ. Darmstadt, Darmstadt
Abstract :
This study analyzes electroquasistatic field behaviors of motor bearings in 2D in the time harmonic and transient case. It also develops an equivalent circuit model of motor bearings using numerical simulation results without considering the electrical breakdown of the lubricant film. Having subcircuit models of bearings, it is possible to couple bearings to system simulations containing motors, PWM inverters, cables.
Keywords :
AC motors; PWM invertors; equivalent circuits; numerical analysis; rolling bearings; transient analysis; 2D simulation; PWM inverters; electroquasistatic field behaviors; equivalent circuit model; inverter-fed AC motors; lubricant film; motor bearings; numerical simulation; rolling element bearings; time harmonic case; transient case; AC motors; Circuit simulation; Coupling circuits; Electric breakdown; Equivalent circuits; Harmonic analysis; Lubricants; Numerical simulation; Rolling bearings; Transient analysis; Bearing current; electroquasistatic simulation; inverter-fed motor;
Conference_Titel :
Power Electronics, Electrical Drives, Automation and Motion, 2008. SPEEDAM 2008. International Symposium on
Conference_Location :
Ischia
Print_ISBN :
978-1-4244-1663-9
Electronic_ISBN :
978-1-4244-1664-6
DOI :
10.1109/SPEEDHAM.2008.4581152
