Fimer MVCS, Hardware Manual

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Contents of this chapter
This chapter contains general instructions for earthing and cabling the medium voltage compact skid (MVCS). Obey
all instructions contained in the applicable documentation (such as other hardware manuals) and the local
regulations.
WARNING!
Only an authorized electrician is allowed to install the cabling to the MVCS. Obey the Safety instructions and the
local safety regulations. If ignored, physical injury or death may follow, or damage to the equipment may occur.
WARNING!
Do not do any electrical installation work during a thunderstorm.
WARNING!
Make sure that all external cable entries are fully sealed to prevent entry of foreign elements, such as animals,
insects, and dust.
Routing the cables
When you route the cables:
• Install the AC power cables and the control cables on separate routes.
• Use metallic screen cables for control cables.
• Do not put extra cables through the MVCS without permission. For more information, see drawing “MVCS Inter-
connection cables and electrical Layout”.
LV busbar interconnection
Before energizing the MVCS, check the tightening torque of the mentioned bolts (M12). Final tightening torque = 60
Nm.
To access to the busbars, it is needed to remove the upper cover of the interconnection enclosure.
When it is finished, reinstall the upper cover and tighten correctly all the bolts (M6 – 16,8 Nm).
6
Electrical installation
6 - Electrical installation