MCset 4 - 24 kV - engineering site - Schneider Electric

2 - 07897542EN indice: D0
Contents
Access to the interior of the cubicle 33
AD4 - RD4 cubicle 33
CL4 cubicle (bus-section) 34
CL4 cubicle (bus-section) with upstream CT’s 35
GL4 cubicle (bus-riser) 36
TT4 cubicle 37
DI4 cubicle 38
AD4 cubicle incoming from the top (RHC) 39
Installation instructions 40
Preparation of the cubicle to the positioning 40
Adjusting cubicles on standard civil engineering works 4
Fastening to the floor on standard civil engineering works 4
Fastening to the floor on earthquake resistant civil
engineering works 42
Verify correct positioning 42
Assembly tunnel 43
Cubicle coupling 47
Connection of earthing busbar 54
End panels assembling 55
Fitting the main busbars 60
250A main busbars 6
2000 / 2500A main busbars 62
Fitting joint covers 63
Positioning the joint covers 65
Connection of the LV cables 66
LV cable connections 66
Closing the top entry LV cable steel sheet. 67
Earthing circuit equipotential connection and
MV cable earthing 68
Starting conditions 68
Equipotential connection of the switchboard’s earth to
the substation earth 68
Connection of MV cables 69
One single core or three-core cable per phase 69
to 4 single core cables per phase 70
Three-core cable per phase 70
Anchoring supports for MV cables 7
Earthing of MV cable shields 72
Earthing of MV cable shields (DI4) 72
Final operations 73
Fitting fuses in DI4 cubicle 74
Schneider Electric