Alstom Reason RPV311 - Recommended Sources of Trigger

RPV311
Chapter 4 – Configuration
RPV311-TM-EN-6
101
o Click on the threshold to which is desired to add the previously selected threshold and then
select the threshold to be added.
D Selecting the RECEIVE ETHERNET CROSS-TRIGGER or SEND ETHERNET CROSS-TRIGGER check box enables
these features. It allows the start of the recording of an exceeded threshold by Ethernet cross-trigger.
Note:
The maximum number of RA333 that can be connected to the RPV311 is 4.
The RA333 module has to be connected to the RPV311 processing module before its initianilzaton.
Otherwise a log message will tell the user to reboot the device.
12.1 RECOMMENDED SOURCES OF TRIGGER
In order to register the beginning of the fault’s traveling wave it is important to use instantaneous protections
trips (or starts) as digital input for trigger, for example: 50, 21Z1, 67I, 87 etc. Also we recommend the
following thresholds:
Threshold
Limit
Phase Overcurrent
1,2 pu
Neutral Overcurrent
0,2 pu
Current Negative Sequence
0,15 pu
Phase Undervoltage
0,85 pu
Neutral Overvoltage
0,10 pu
The limits values can be adjusted depending on the needs of each installation using real events as basis