MR TRAFOGUARD ISM, Operating Instructions Manual

Page: 97 / 224

6 Functions and settings
Maschinenfabrik Reinhausen GmbH 2016 97 5163667/00 EN TRAFOGUARD® ISM®
To set the primary transformer current, proceed as follows:
1.
Go to Settings > Parameters > Transformer data > Primary trans-
former current .
2. Enter primary transformer current.
3. Press the Accept button to save the modified parameter.
Setting the secondary transformer current
You can use this parameter to set the secondary transformer current. You
can select the following options:
▪
0.2 A
▪ 1 A
▪ 5 A
To set the secondary transformer current, proceed as follows:
1.
Go to Settings > Parameters > Transformer data > Secondary trans-
former current .
2. Select secondary transformer current.
3. Press the Accept button to save the modified parameter.
Setting circuit for current transformer/voltage transformer and
phase angle correction
To configure the circuit for the current transformer and voltage transformer,
you must set the following parameters:
Parameter Measuring module
UI 1 UI 3
Voltage-transformer circuit Yes Only with 1
channel
Current-transformer circuit Yes Only with 1
channel
Phase angle correction Yes Only with 1
channel
UI measuring channels No Yes
Measurement mode No Only with 3
channels
Table 13: Setting configuration of current transformer and voltage transformer
Note the following examples of common transformer circuits:
6.3.4
6.3.5