ABB ACS880-207LC Hardware Manual page 7

Igbt supply units
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Contents of this chapter ..........................................................................
Safety ...............................................................................................
Start-up procedure ................................................................................
Contents of this chapter ..........................................................................
Maintenance intervals ............................................................................
Maintenance timers and counters ..............................................................
Cabinet .............................................................................................
Cleaning the interior of the cabinet .........................................................
Power connections ...............................................................................
Retightening the power connections .......................................................
Fuses ...............................................................................................
Replacing the supply unit AC fuses ........................................................
Replacing the supply unit DC fuses ........................................................
Fans ................................................................................................
Replacing the heat exchanger fan in the filter cubicle ...................................
Replacing the fan in the incoming cubicle .................................................
Replacing the fan in the auxiliary control cubicle .........................................
Supply modules ...................................................................................
Replacing the supply module ................................................................
Removing the module .....................................................................
Reinstalling the module ...................................................................
LCL filters ..........................................................................................
Replacing the capacitors of the LCL filter ..................................................
Charging resistors ................................................................................
Replacing the charging resistors ............................................................
Capacitors of the DC circuit .....................................................................
Reforming the capacitors .....................................................................
Replacing the capacitors .....................................................................
Control panel ......................................................................................
Cleaning the control panel ...................................................................
Replacing the control panel battery .........................................................
Memory unit .......................................................................................
Replacing the memory unit ..................................................................
LEDs ................................................................................................
Contents of this chapter ..........................................................................
Ratings .............................................................................................
Definitions ......................................................................................
Derating .........................................................................................
Ambient temperature derating ...........................................................
Altitude derating ............................................................................
Coolant temperature derating ............................................................
Antifreeze content derating ...............................................................
Switching frequency derating ............................................................
Type equivalence table ..........................................................................
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