6.
6.1
Introduction ........................................................................................................................................37
6.2
6.3
Winding insulation ..............................................................................................................................37
6.3.1
6.3.2
6.3.3
6.4
6.5
Bearing currents .................................................................................................................................38
6.5.1
6.6
Cabling, grounding and EMC .............................................................................................................38
6.7
Load and speed limitations .................................................................................................................39
6.7.1
6.7.2
6.7.3
6.7.4
6.8
Rating plates ......................................................................................................................................39
6.8.1
6.8.2
6.9
6.9.1
7.
Maintenance .................................................................................................................................................41
7.1
General inspection .............................................................................................................................41
7.1.1
7.2
Lubrication .........................................................................................................................................41
7.2.1
7.2.2
7.2.3
7.2.4
8.
After Sales support ......................................................................................................................................45
8.1
Spare parts ........................................................................................................................................45
8.2
8.3
Bearings .............................................................................................................................................45
8.4
Gaskets and sealing ...........................................................................................................................45
9.
Environmental requirements .......................................................................................................................45
10.
Troubleshooting ............................................................................................................................................46
11.
Figures ..........................................................................................................................................................49
28 - EN ABB Motors and Generators | 3GZF500730-70 rev. C RU-EN 01-2016
Phase to phase voltages .....................................................................................................37
Phase to ground voltages ....................................................................................................37
General ...............................................................................................................................39
Short time overloads ...........................................................................................................39
Standby motors ...................................................................................................................41
Lubricants ...........................................................................................................................44