Rockwell Automation 6000 PowerFlex Medium Voltage Variable Frequency Drive Commissioning Manual - Manual (Page 19)

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Table 4 - Functional Assessment Checklist
Bypass Cabinet (if supplied) Isolation Transformer Cabinet Power Module Cabinet Low Voltage Control Cabinet
Front
Electrical Door Interlock
– Verify proper operation of auxiliary contacts
with an ohmmeter
Isolation switch auxiliary contacts
– Verify proper operation with an ohmmeter
Isolation switches
– Verify proper operation
– Outer jaws must securely contact the center
stab in the closed position
Secondary Wiring and Low Voltage Fuses
– Check all connections per Electrical Drawings
Door Grounding Straps
Transformer Secondary Cables
– Verify cables are properly fed through the
glanding plate and are undamaged
Voltage Sensing Board cables
– Verify the primary and secondary connections
to the board are secure
Door Interlock Limit Switches
– Test auxiliary switch contacts wired back to
terminal blocks in LV panel with ohmmeter
Temperature Sensing Wires (3 places)
– Verify wires are intact and properly inserted
Bottom-mounted Auxiliary Fan power from
Isolation Transformer Auxiliary Winding
– Check connections
Door Grounding Straps
Transformer Temperature Protection Relay
– Tug test on all cable connections
Auxiliary Cooling Fans (3)
– Check electrical connection
HECS (2)
– Check plug connectors
Door Interlock Limit Switches (2)
– Test switch contacts wired back to terminal
blocks in LV panel with ohmmeter
Power Modules fiber optic cables
– Check all connections
Power Modules Fuses
– Test each fuse with multimeter
Door Grounding Straps
Control Unit
– Check connection of all fiber optic cables
– Check connection of HMI interface board
– HMI
Low Voltage wires
– Tug test all wires on door, panel, and relays
and terminal blocks
Circuit Breakers and Contactors
– Verify operation
Vertical Ground Bus
– Check connections from all attached
components
Low Voltage Door
– Verify operation of all operator interface
devices
AC/DC Power Supplies
– Check connections
Door Grounding Straps
Rear
Surge Arrestors
– Check braided copper connections
Voltage Sensing Relay Cables
– Perform tug test
Line and Load side power cables
– Verify phasing and torque
Top Ground Bus
– Verify braided connections
Transformer Secondary Cables
– Verify cables are properly fed through the
glanding plate are undamaged
Tap Changer
– Verify connection
Top Mounted Cooling Fans
– Check electrical connection
Fan Housings
– Assembly must be affixed properly to
structure
Auxiliary Cooling Fans (3)
– Check electrical connection
Top Mounted Cooling Fans
– Check electrical connection
UPS
– Check connection