Electric Motor Rotor Bar Pass Frequency and Arcing
150Hp electric motor with RBPF issue, 2FL and TWF frequency sidebands, and arcing between loose rotor bars and end rings. Shutdown planned to prevent overheating and burnout.
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A 150Hp electric motor having RBPF issue with 2FL frequency sidebands as seen on the spectrum and having also on the TWF equally 120Hz. Electrically induced arcing between loose rotor bars and end rings. Plan to have this motor shutdown to avoid elevated heating and burn-out.
Post Information
Category:
Vibration Case Study
Language:
English
Reading Time:
1 min
Tags
Original Authors
Jude Maquidato
Source:
https://www.lin...