Manual for Induction Motors and Generators
4 -
6.1
General ..................................................................................................................... 53
6.2
6.3
Number of starts....................................................................................................... 53
6.4
Supervision............................................................................................................... 54
6.4.1
Bearings................................................................................................... 54
6.4.2
Vibrations................................................................................................ 54
6.4.3
Temperatures........................................................................................... 54
6.4.4
Heat exchanger........................................................................................ 55
6.4.5
Slip ring unit............................................................................................ 55
6.5
Follow-up ................................................................................................................. 55
6.6
Shut down................................................................................................................. 55
7.1
Preventive maintenance ........................................................................................... 56
7.2
Safety precautions .................................................................................................... 56
7.3
Maintenance program............................................................................................... 57
7.3.1
7.3.1.1
7.3.1.2
7.3.1.3
7.3.1.4
7.3.1.5
7.3.1.6
7.3.1.7
7.4
7.4.1
7.4.2
Vibration and noise ................................................................................. 65
7.4.3
Vibrations................................................................................................ 66
7.4.3.1
7.4.3.2
7.4.3.3
7.5
7.5.1
Sleeve bearings........................................................................................ 69
7.5.1.1
7.5.1.2
7.5.2
7.5.2.1
7.5.2.2
7.5.2.3
7.5.2.4
7.5.2.5
7.5.3
Rolling bearings ...................................................................................... 72
7.5.3.1
7.5.3.2
7.5.3.3
7.5.3.4
7.5.3.5
7.5.3.6
Stator and rotor ................................................................. 61
Auxiliaries ........................................................................ 61
Slip ring unit ..................................................................... 62
Cooling system ................................................................. 63
Evaluation......................................................................... 67
Oil level ............................................................................ 69
Oil qualities ...................................................................... 70
Bearing plate..................................................................... 72
Re-greasing....................................................................... 73
Bearing grease .................................................................. 74
3BFP 000 050 R0101 REV E