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6.4.6
Using single-stranded cables.................................................................................................71
6.4.7
Minimum air clearances.........................................................................................................72
6.4.8
Internal equipotential bonding................................................................................................72
6.4.9
Finishing connection work......................................................................................................73
6.5
Connecting the auxiliary circuits.............................................................................................73
6.5.1
Selecting cables.....................................................................................................................73
6.5.2
Introducing cables into the auxiliary terminal box and routing them......................................74
6.5.3
Connecting temperature monitoring for the stator winding....................................................74
6.5.4
Internal equipotential bonding in the auxiliary terminal box...................................................75
6.5.5
Terminating the connection work (auxiliary circuit)................................................................76
6.6
Converter operation...............................................................................................................76
6.6.1
Operation on a converter with a low pulse frequency............................................................77
6.6.2
Converter operation on a grounded network..........................................................................77
7
Start-up.......................................................................................................................................................79
7.1
Safety instructions for commissioning....................................................................................79
7.2
Checks to be carried out prior to commissioning ..................................................................80
7.3
Greasing the roller bearings prior to commissioning..............................................................81
7.4
Setting the converter pulse frequency....................................................................................82
7.5
Test run..................................................................................................................................82
7.6
Measure the insulation resistance and polarization index for the commissioning..................84
7.7
Switching on the machine......................................................................................................84
7.8
Set values for temperature monitoring of the bearing thermometer.......................................85
7.9
Setting values for temperature monitoring (slot thermometer)...............................................85
7.10
Switching off the machine......................................................................................................85
7.11
Avoidance of condensation or formation of condensation within the machine.......................85
8
Operation....................................................................................................................................................87
8.1
Safety instructions for operation.............................................................................................87
8.2
Switching on the machine......................................................................................................89
8.3
Stoppages..............................................................................................................................90
8.3.1
Prolonged outage periods......................................................................................................90
8.3.2
Avoidance of frost and corrosion damage in the cooling system...........................................91
8.3.3
Avoidance of condensation or formation of condensation within the machine.......................91
8.3.4
Avoidance of damage to roller bearings during stoppages....................................................91
8.3.5
Measuring the insulation resistance after an extended non-operational period.....................92
8.4
Switching off the machine......................................................................................................92
8.5
Switching on again after an emergency switching-off............................................................92
8.6
Decommissioning the machine..............................................................................................92
8.7
Re-commissioning the machine.............................................................................................93
8.8
Faults.....................................................................................................................................93
8.8.1
Inspections in the event of faults............................................................................................93
8.8.2
Electrical faults water-cooled machines.................................................................................93
SIMOTICS HT Series HT-direct 1FW4...1......A
Operating Instructions 11/2018
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