Over all Vibration Levels in mm/s Vibration levels in mm/sec taken on 160 KVA Alternator assembly Location Over all Vibration Levels in mm/s Horizontal Direction Sept 2006 Dec 2007 Dec 2008 Alternator DE 16.3 18.4 16.7 Alternator NDE 6.14 11.50 7.91
Vibration spectrum taken on Alternator DE in horizontal direction
Vibration spectrum taken on alternator DE in horizontal direction Zoomed view 2250 rpm 3000 rpm 1500 rpm 750 rpm
Vibration spectrum taken on Alternator NDE in horizontal direction
Vibration spectrum taken on Alternator NDE in horizontal direction Zoomed view 3000 rpm 6825 rpm 1500 rpm 750 rpm 2250 rpm
Vibration spectrum taken on alternator DE in horizontal direction Zoomed view 3000 rpm 2250 rpm 5250 rpm 1500 rpm 750 rpm