MR ETOS IM - Maintenance Monitoring

7 Operation
Maschinenfabrik Reinhausen GmbH 2019 2355163667/06 EN ETOS
®
IM
7.19.2 Displaying the name plate
You can display the name plate data for the transformer, on-load tap-
changer, and motor-drive unit.
Figure180: Name plate
To display the name plate data, proceed as follows:
1. Select the Information entry in the primary navigation.
2. Select Name plate from the selection list.
ð The name plate data is displayed.
7.20 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.