GE D90 Plus - Page 532

522 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
DISTURBANCE RECORDER CHAPTER 10: DIGITAL FAULT RECORDER
Figure 453: Trigger and re-trigger sequence
The number of disturbance records also is user-configurable. The length of disturbance
records stored by the D90
Plus
is a function of the number of records and the number of
configured channels. The D90
Plus
automatically calculates the record length based on user
settings. The table shows the record length for some representative configurations.
Table 38: Disturbance records stored by the D90
Plus
Records Digital channels Analog channels Record length
1 32 64 2393 cycles
5 32 64 1025 cycles
10 32 64 598 cycles
1 32 32 4520 cycles
10 32 32 1129 cycles
20 32 32 616 cycles
2 32 16 6100 cycles
5 32 16 3486 cycles
10 32 16 2033 cycles
20 32 16 1108 cycles
5 32 8 5811 cycles
10 32 8 3389 cycles
20 32 8 1848 cycles
30 32 8 1270 cycles
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