Technical description
3 Supporting functions
3.2 Disturbance recorder
VM59.EN001
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109
Running virtual comtrade files with VAMP relays
Virtual comtrade files can be run with VAMP relays with the
v.10.74 software or a later version. Relay behaviour can be
analysed by playing the recorder data over and over again in
the relay memory.
Steps of opening the VAMPSET setting tool.
1.
Go to “Disturbance record” and select Open… (A).
2.
Select the comtrade file from you hard disc or equivalent.
VAMPSET is now ready to read the recording.
3.
The virtual measurement has to be enabled (B) in order to
send record data to the relay (C).
4.
Sending the file to the relay‟s memory takes a few seconds.
Initiate playback of the file by pressing the Go! button (D).
The “Change to control mode” button takes you back to the
virtual measurement.
Note! The sample rate of the comtrade file has to be 32/cycle (625 s when 50
Hz is used). The channel names have to correspond to the channel
names in Vamp relays: IL1, IL2, IL3, Io1 and Uo.