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324
Disturbance recorder
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Undertrig status at time of trig
Overtrig status at time of trig
Instantaneous phase voltage at
time of trig
Instantaneous phase current at
time of trig
Phase voltage and phase current
before trig (prefault)
Phase voltage and phase current
after trig (fault)
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Signal name
Type of contact (trig level)
Trig operation
Signal status at time of trig
Trig status at time of trig
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The parameters specific for the disturbance recording function are set via the local HMI
or PST (Parameter Setting Tool). Refer to the Technical reference manual for setting
parameters and path in local HMI.
The list of parameters in the "Technical reference manual", explains the meaning of the
abbreviations used in connection with setting ranges.
Remember that values of parameters set elsewhere in the menu tree are linked to the
information on a recording. Such parameters are, for example, station and object iden-
tifiers, CT and PT ratios.
The sequence number of the recordings is a specific parameter for the disturbance re-
corder and is used to identify the different recordings. By combining the date and the
sequence number for a recording, the recording can be uniquely identified.
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