Experience with variable-frequency drives and motor bearing reliability

IEEE Transactions on Industry Applications

Volumn 37, Issue 5, 2001, Pages 1438-1446

  Bell, Sidney ^b   Cookson, Timothy J ^a,c   Cope, Steven A ^c   Epperly, Richard A ^a,c   Fischer, Annika ^c   Schlegel, David W ^a,d   Skibinski, Gary L ^d  

^a IEEE

^b EI Dupont de Nemours and Company Inc ^*  (United States)

^c DUPONT COMPANY   (United States)

^d Allen Bradley Company   (United States)

Author keywords

Adjustable speed drive; Bearing; Bearing failure; Discharge; Electrical discharge machining; Faraday cage; Inverter; Shaft voltage; Shielding

Indexed keywords

BEARINGS (MACHINE PARTS); ELECTRIC DISCHARGE MACHINING; ELECTRIC DRIVES; ELECTRIC POTENTIAL; ELECTRIC SHIELDING; SHAFTS (MACHINE COMPONENTS); VIBRATIONS (MECHANICAL);

VARIABLE FREQUENCY DRIVES (VFD);

ELECTRIC MOTORS;

EID: 0035439139     PISSN: 00939994     EISSN: None     Source Type: Journal    
DOI: 10.1109/28.952519     Document Type: Article

References (15)

1. The effects of PWM voltage source inverters on the mechanical performance of rolling bearings
2. Shaft currents in electric machines
3. IGBT drive technology demands new motor and cable considerations
4. Effect of PWM inverters on AC motor bearing currents and shaft voltages
5. Bearing currents and their relationship to PWM drives
6. System electrical parameters and their effects on bearing currents
7. An evaluation of the electrostatic shielded induction motor: A solution for rotor shaft voltage buildup and bearing current
8. Characteristics of shaft voltage and bearing currents
9. Motors and Generators
10. Leakage current reduction for a high-frequency carrier inverter feeding an induction motor
11. Modeling and damping of high-frequency leakage currents in PWM inverter-fed AC motor drive systems
12. The additional phenomena which appear in induction motors fed from PWM inverters
13. Will your motor insulation survive a new adjustable frequency drive?