9 Visualization
Maschinenfabrik Reinhausen GmbH 2020 2114453918/14 EN ETOS
®
TD
9.22.11 Monitoring the gas volume of the Buchholz relay (transformer)
When you record the gas volume of the Buchholz relay of the transformer,
you can set 2 limit values for the gas volume. If the measured gas volume is
greater than the limit value > or >>, the device triggers an event message.
> >>
Transformer gas volume
0.3l 0.4l
Figure143: Limit values for the gas volume of the Buchholz relay of the transformer
1. Go to Settings > Parameters > Active part > Buchholz relay.
2. Select the desired parameter.
3. Set the desired parameter.
4. Press the Accept button to save the modified parameter.
9.22.12 Monitoring the oil pressure (transformer)
When you record the oil pressure of the transformer, you can use the pres-
sure relief device (PRD) to set 2 limit values for the gas volume. If the mea-
sured oil pressure is greater than the limit value > or >>, the device triggers
an event message.
> >>
Transformer oil press.
15kPa 20kPa
Figure144: Limit values for the oil pressure of the transformer