
Table of contents
Converter cabinet units
8 Operating Instructions, 03/2012, A5E03263466A
4 Electrical installation ................................................................................................................................ 61
4.1 Chapter content........................................................................................................................... 61
4.2 Checklist for electrical installation ............................................................................................... 62
4.3 Insulation test .............................................................................................................................. 68
4.4 Important safety precautions....................................................................................................... 70
4.5 Introduction to EMC .................................................................................................................... 71
4.6 EMC compliant design ................................................................................................................ 73
4.7 Electrical connection of units that are connected in parallel....................................................... 75
4.7.1 Connecting the PE busbars ........................................................................................................ 76
4.7.2 Establishing the DC link connections.......................................................................................... 77
4.7.3 Connecting the power supply and signal cables......................................................................... 78
4.7.4 Connecting the DRIVE-CLiQ topology........................................................................................ 78
4.8 Power connections...................................................................................................................... 78
4.8.1 Cable lugs ................................................................................................................................... 79
4.8.2 Connection cross-sections, cable lengths................................................................................... 80
4.8.3 Connecting the motor and power cables ....................................................................................81
4.8.4 Adjusting the fan voltage (-T1-T10) ............................................................................................ 84
4.8.5 Adapting the internal power supply (-T10, version A only) ......................................................... 86
4.8.6 Removing the connection clip to the interference suppression capacitor for operation on
an ungrounded line supply (IT system)....................................................................................... 87
4.9 External Supply of the Auxiliary Supply from a Secure Line....................................................... 92
4.9.1 230 V AC auxiliary supply ........................................................................................................... 93
4.9.2 24 V DC auxiliary supply............................................................................................................. 93
4.10 Signal connections ...................................................................................................................... 93
4.10.1 Control Unit CU320-2 DP............................................................................................................ 93
4.10.2 Customer terminal module TM31 (-A60) (option G60) ............................................................. 107
4.11 Other connections ..................................................................................................................... 115
4.11.1 Clean Power version with integrated Line Harmonics Filter compact (Option L01) ................. 116
4.11.2 dV/dt filter compact plus Voltage Peak Limiter (option L07)..................................................... 119
4.11.3 dv/dt filter plus Voltage Peak Limiter (option L10) .................................................................... 122
4.11.4 Main Contactor (Option L13)..................................................................................................... 126
4.11.5 Sinusoidal Filter (Option L15).................................................................................................... 126
4.11.6 Connection for External Auxiliary Equipment (Option L19) ...................................................... 129
4.11.7 Operation in the IT system (option L21).................................................................................... 131
4.11.8 Main switch incl. fuses or circuit breaker (option L26) .............................................................. 132
4.11.9 EMERGENCY OFF pushbutton installed in the cabinet door (option L45) .............................. 134
4.11.10 Cabinet illumination with service socket (option L50)............................................................... 135
4.11.11 Cabinet anti-condensation heating (option L55) ....................................................................... 135
4.11.12 EMERGENCY OFF category 0; 230 V AC or 24 V DC (option L57) ........................................ 136
4.11.13 EMERGENCY STOP category 1; 230 V AC (option L59) ........................................................ 138
4.11.14 EMERGENCY STOP category 1; 24 V DC (option L60) .......................................................... 139
4.11.15 25 kW Braking Unit (Option L61); 50 kW Braking Unit (Option L62) ........................................ 140
4.11.15.1 Commissioning..................................................................................................................... 143
4.11.15.2 Diagnosis and duty cycles ................................................................................................... 145
4.11.15.3 Threshold switch .................................................................................................................. 146
4.11.16 Thermistor Motor Protection Unit (Option L83/L84).................................................................. 150
4.11.17 PT100 Evaluation Unit (Option L86) ......................................................................................... 151