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

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Presentation on theme: "Motor Data 890 RPM vertical motor Stator slots = 84, Rotor Bars = 68"— Presentation transcript:

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

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

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

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

5 1A waterfall

6 1H1 waterfall

7 1H2 waterfall

8 2A waterfall

9 2H1 waterfall

10 2H2 waterfall

11 3H1 waterfall

12 3H2 waterfall

13 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

14 1H1 compare (log scale)

15 1H2 compare (log scale)

16 2A compare (log scale)

17 2H1 compare (log scale). Non-sync ~ 1.5 on

18 2H2 compare (log scale)

19 3H1 compare (log scale)

20 3H2 compare (log scale)

21 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

22 Waterfall with frequency trend of [minor] BPOR evolution

23 BPOR evolution 2/28/11

24 BPOR evolution 5/23/11

25 BPOR evolution 8/16/11

26 BPOR evolution 11/7/11

27 BPOR evolution 12/14/2011

28 BPOR evolution 1/30/12

29 BPOR evolution 4/24/12

30 BPOR evolution 10/9/12

31 BPOR evolution 12/31/12


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