5 Mounting
Maschinenfabrik Reinhausen GmbH 2019
32
6107891/02 EN
ECOTAP
®
VPD
®
5.1.2 Attaching the ECOTAP® VPD® I
NOTICE
Damage to the on-load tap-changer and transformer!
The on-load tap-changer must be fully immersed in insulating fluid. Ener-
gized parts of the on-load tap-changer coming into contact with air may re-
sult in voltage flashovers that cause serious damage to the on-load tap-
changer and transformer.
► Use in hermetic transformers with a gas cushion is only permitted if there
is sufficient distance between the gas cushion and the on-load tap-
changer and connection contacts.
► The distance to the gas cushion must ensure that the on-load tap-
changer is fully immersed in insulating fluid in every operating situation.
Mount the on-load tap-changer vertically with the sealing module on the
transformer side wall.
Do not paint the inner surface of the transformer side wall which will later
make contact with the sealing module o-ring. Only one coating of primer is
permitted.
1. Make an opening for the sealing module and holes for the fixing screws
on the transformer side wall. The measurements and position can be
found in the dimensional drawing in the appendix.
Figure 12: View of the transformer side wall with opening for sealing module