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64 Electrical installation
Connecting the generator cables
Connection diagram
￭
Connection procedure
￭
WARNING!
See and obey the safety instructions of the converter. If you ignore them, injury or
death, or damage to the equipment can occur.
WARNING!
Apply grease to stripped aluminum conductors before attaching them to non-coated
aluminum cable lugs. Obey the grease manufacturer's instructions.
Aluminum-aluminum contact can cause oxidation in the contact surfaces.
1.
Open the door of the generator cable connection cubicle.
2.
Remove the shroud that protects the generator cable connection busbars and cable
entries.
3.
Ensure that foreign objects (screws, etc.) cannot fall inside the converter module.
Ensure that the cover on top of the converter modules is installed.
WARNING!
Foreign objects inside the converter module can cause eg, short-circuit. Injury
or death, or damage to the equipment can occur.
4.
When shielded cable is used:
•
Lead the cables into the inside of the cubicle. Ground a shielded cable 360° at the
lead-through with an EMC cable gland (to be supplied by the customer).
•
Connect the cables as follows:
•
Cut the cables to suitable length. Strip the cables and conductors. Fasten the
cable lugs to the conductor ends.
•
Twist the cable shields into bundles and connect to the cabinet PE (ground)
busbar. Connect any separate ground conductors or cables to the cabinet PE
(ground) busbar.
•
Connect the phase conductors to terminals U2, V2 and W2. See the connection
diagram above. Tighten the phase conductors and PE to 120 N·m (89 lbf·ft)
torque.
When single-core cables without metal shield are used:
PE
U2
V2
W2
G
U1
V1
3~
W1
PE
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