Table of Contents
Advertisement
1MRK 505 288-UEN A
Technical manual
Analog signals
Binary signals
IEC09000337 V2 EN
Figure 160:
Disturbance report functions and related function blocks
The whole disturbance report can contain information for a number of recordings,
each with the data coming from all the parts mentioned above. The event list function
is working continuously, independent of disturbance triggering, recording time, and
so on. All information in the disturbance report is stored in non-volatile flash
memories. This implies that no information is lost in case of loss of auxiliary power.
Each report will get an identification number in the interval from 0-999.
Up to 100 disturbance reports can be stored. If a new disturbance is to be recorded
when the memory is full, the oldest disturbance report is overwritten by the new one.
The total recording capacity for the disturbance recorder is depending of sampling
frequency, number of analog and binary channels and recording time. In a 50 Hz
system it is possible to record 100 where the maximum recording time is 3.4 seconds.
The memory limit does not affect the rest of the disturbance report (Event list, Event
recorder, Indications and Trip value recorder).
The maximum number of recordings depend on each recordings total
recording time. Long recording time will reduce the number of
recordings to less than 100.
The IED flash disk should NOT be used to store any user files. This
might cause disturbance recordings to be deleted due to lack of disk
space.
A1-4RADR
Disturbance Report
A4RADR
Trip value rec
B1-6RBDR
Disturbance
recorder
B6RBDR
Event list
Event recorder
Indications
Section 12
Monitoring
DRPRDRE
IEC09000337-2-en.vsd
369
Advertisement
Table of Contents
