Maintenance
Disassembly and assembly of the GCB equipments
G51--500EN01
9/10
02--2011
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relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is
strictly prohibited.
GRID
Equipments removal
Procedure
Reinstall the TC, VT’s, capacitors and surge arrestors on the supports
respecting the location marks during the disassembly, using the bolts (A--B---
C--E--F) to refer disassemble procedure and proceed as follows :
D
Reinstall the supports equipped on the top of GCB enclosure.
D
Prepare the electrical contact surfaces (see module “Connection with elec-
trical surfaces preparation”).
D
Reinstall the grounding braid of the VT to the enclosure
D
Reconnect the terminals and check the elementary diagram
(VS......EDD01D).
D
Tightening torque application (see module “Tightening torques”).
ATTENTION :
Respect the specific tightening torque on the VT’s as hereaf-
ter
.
J
:
-- Primary (braide) HM10--20 =
1.5 daNm
-- Primary (braide grounding to the GCB enclosure)
HM8--12 =
0.8 daNm
-- Secondary M6--12 =
0.3 daNm
.
NOTE :
The lenght of the braides shall be respected as initial location
HM8--12
M6--12
x1
x5
Secondary
terminals
Primary
terminal
.
J
H1
H2
HM10--20
1.5daNm
0.3daNm
0.8 daNm
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