MR TAPCON - Maintenance (Optional)

8 Operation
Maschinenfabrik Reinhausen GmbH 2020226 3587317/21 ENTAPCON
®
8.22 Maintenance (optional)
The device monitors the following maintenance:
Maintenance Description
OLTC maintenance The on-load tap-changer must be maintained in accordance
with the MR standards.
OLTC replacement The on-load tap-changer must be replaced with a new on-
load tap-changer.
DSI replacement The diverter switch insert must be replaced with a new di-
verter switch insert.
Contact wear The main switching contacts or transition contacts of the on-
load tap-changer must be exchanged or replaced.
Oil change and
cleaning
The oil must be changed and the diverter switch insert, oil
compartment, and oil conservator must be cleaned.
Selector mainte-
nance
The on-load tap-changer selector must be maintained in ac-
cordance with the MR standards.
Oil sample An oil sample must be taken and analyzed; the limit values
specified by MR for added insulating oil must be observed.
Oil filter unit The oil filter of the oil filter unit must be replaced.
OLTC operator inter-
val
Maintenance interval for the on-load tap-changer; the interval
depends on the number of tap-change operations or on time,
and the operator can specify it.
Transformer opera-
tor interval
Time-dependent maintenance interval for the transformer,
which the operator can specify.
Table80: Maintenance tasks