Installation
66 REVISION 02 * INSTALLATION SIMOSEC * 832-6063.0
16.4 Final work
Visual inspection of
switchgear
Ö Check data on the rating plates according to the circuit diagrams.
Ö Clean the switchgear thoroughly. Remove all foreign matter. Clean all insulation with
a lint-free cloth
Ö Close all covers/doors
Ö Check safety/warning labels provided at the switchgear.
Checking the accessories 16.5 Testing the switchgear electrically
Checking the grounding Check the following at the panels:
• All grounding connections are properly made
• Proper operation of all discharge switches
Fuse switch panel: Movable grounding contacts (option) touching on all
three phases in GROUNDED position
Checking
high voltage connections
Ö Check that cables have been properly terminated and connections are insulated.
Ö Check correct phase sequence of cables.
Ö Check correct installation and grounding of cable ground shields.
Ö Check covers of capacitive test sockets
Ö Check grounding connections including bus connections in switchgear and
connections to system ground.
Ö Check that insulating caps are properly installed and undamaged.
Ö Check insulation for damage.
Ö Check tightening torque of bolted joints.
Ö Check that cable clamps are properly installed for all high voltage cables.
Checking
low voltage connections
Ö Check low voltage wiring for correct installation.
Ö Check tightness of terminal screws.
Ö Check secondary wiring of transformers.
Ö Check that any current transformer that is not connected to a permanent load device
has the secondary terminals connected with a short-circuiting jumper.
Fig. 53: Movable grounding contact in fuse switch
panel (option)
a
Discharge switch in OPEN
position
s
Discharge switch in
GROUNDED position
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