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This motor has a speed of 890 RPM and features 84 stator slots and 68 rotor bars. It has no changes through 12/21/12 and a slight increase in acceleration on 12/31/12. The motor's history includes waterfall plots and BPOR evolution.
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Motor Data • 890 RPM vertical motor • Stator slots = 84, Rotor Bars = 68 • Bearings / Fault Frequencies
Spike Energy Trend. No change 12/31/12 12/31/12
1A compare (log scale). RPM=890.8, 890.4. RPM=890.8 SSPF <=2*LF 2*lf SB <=6*LF <=7x <=3.17 = bpor <=1x 2*lf SB <=4.00 2*lf SB 2*lf SB 2*lf SB <=4*LF 2*lf SB RBPF RPM=890.4 <=3*bpfi-1 <=2*bpfi+1 <=3*bpfi <=bpfi <=bpfi-1V <=5*bpfi/6LF <=3*bpfi+1 <=5*bpfi-1 <=bpfi+1 <=2*bpfi-1 <=6*bpfi+1 <=6*bpfi <=7*bpfi+1 <=4*bpfi+1 <=2*bpfi <=4*bpfi SSPF <=9*bpfic <=7*bpfi <=2*LF <=9*bpfi+1x <=11*bpfi+1 <=12*bpfi+1 <=12*bpfi-1 <=12*bpfi <=13*bpfi+1 <=8*bpfi-1x 2*lf SB <=8*bpfi <=11*bpfi <=14*bpfi <=13*bpfi-1 <=9*bpfi-1x <=11*bpfi-1 <=13*bpfi <=10*bpfi-1 <=18*bpfi+1 <=18*bpfi <=10*bpfi <=15*bpfi-1 <=3.17 = bpor <=16*bpfi+1 <=15*bpfi <=15*bpfi+1 <=14*bpfi-1 <=17*bpfi <=19*bpfi <=17*bpfi-1 2*lf SB <=16*bpfi
Look closely for BPIR 12/13/12…No BPIR series in sight. However tiny BPOR has been present/growing slightly since installation