4.6 Maximum values of the last 31
days and twelve months
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4.6. Maximum values of the last 31 days
and twelve months
Some maximum and minimum values of the last 31 days and
the last twelve months are stored in the non-volatile memory of
the relay. Corresponding time stamps are stored for the last 31
days. The registered values are listed in the following table.
Phase current (fundamental frequency value)
The value can be a one cycle value or an average according
parameter "Timebase".
Parameters of the day and month registers
20 ms
200 ms
1 s
1 min
demand
Parameter to select the type of the
registered values.
Collect min & max of one cycle values
*)
Collect min & max of 200 ms average
values
Collect min & max of 1 s average values
Collect min & max of 1 minute average
values
Collect min & max of demand values (see
chapter 4.4)
Reset the 31 day registers
Reset the 12 month registers
*) This is the fundamental frequency rms value of one cycle updated every
20 ms.
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