Motor Data 890 RPM vertical motor Stator slots = 84, Rotor Bars = 68

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Presentation transcript:

Motor Data 890 RPM vertical motor Stator slots = 84, Rotor Bars = 68 Bearings / Fault Frequencies

Velocity Overall History. No changes thru 12/21/12

Spike Energy Trend. No change 12/31/12 12/31/12

Acceleration Trend. Slight increase on 12/31/12? 12/31/12

1A waterfall

1H1 waterfall

1H2 waterfall

2A waterfall

2H1 waterfall

2H2 waterfall

3H1 waterfall

3H2 waterfall

1A compare (log scale). RPM=890.8, 890.4. <=2*LF SSPF <=6*LF 2*lf SB <=7x <=3.17 = bpor <=1x <=4.00 2*lf SB 2*lf SB 2*lf SB <=4*LF 2*lf SB 2*lf SB RBPF <=2*bpfi+1 <=3*bpfi-1 RPM=890.4 <=bpfi-1V <=bpfi <=3*bpfi <=bpfi+1 <=2*bpfi-1 <=3*bpfi+1 <=5*bpfi-1 <=5*bpfi/6LF <=6*bpfi+1 <=2*bpfi <=4*bpfi <=4*bpfi+1 <=6*bpfi <=7*bpfi+1 <=2*LF <=7*bpfi <=9*bpfic SSPF <=9*bpfi+1x <=8*bpfi-1x <=11*bpfi+1 <=8*bpfi <=12*bpfi-1 <=12*bpfi <=12*bpfi+1 <=11*bpfi <=13*bpfi+1 2*lf SB <=9*bpfi-1x <=11*bpfi-1 <=13*bpfi-1 <=13*bpfi <=14*bpfi <=10*bpfi-1 <=10*bpfi <=18*bpfi <=18*bpfi+1 <=3.17 = bpor <=15*bpfi-1 <=14*bpfi-1 <=15*bpfi <=15*bpfi+1 <=16*bpfi+1 2*lf SB <=17*bpfi <=16*bpfi <=17*bpfi-1 <=19*bpfi

1H1 compare (log scale)

1H2 compare (log scale)

2A compare (log scale)

2H1 compare (log scale). Non-sync ~ 1.5 on

2H2 compare (log scale)

3H1 compare (log scale)

3H2 compare (log scale)

Look closely for BPIR 12/13/12…No BPIR series in sight Look closely for BPIR 12/13/12…No BPIR series in sight. However tiny BPOR has been present/growing slightly since installation

Waterfall with frequency trend of [minor] BPOR evolution

BPOR evolution 2/28/11

BPOR evolution 5/23/11

BPOR evolution 8/16/11

BPOR evolution 11/7/11

BPOR evolution 12/14/2011

BPOR evolution 1/30/12

BPOR evolution 4/24/12

BPOR evolution 10/9/12

BPOR evolution 12/31/12