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2 PRODUCT DESCRIPTION
2.4.2.6 FREQUENCY RATE OF CHANGE
df/dt trend
df/dt pickup level
df/dt level accuracy
Overvoltage supv.
95% settling time for df/dt
Operate time:
at 2 x pickup
at 3 x pickup
at 5 x pickup
Frequency Rate min.
Frequency Rate max.
Frequency Rate delay
Snapshot Events
GEK-113328A
increasing, decreasing, bi-directional
0.10 to 10.00 Hz/s in steps of 0.01
80 mHz/s or 3.5%, whichever is greater
0.00 to 110.00 % in steps of 0.01
< 24 cycles
12 cycles
8 cycles
6 cycles
20.00 to 80.00 Hz in steps of 0.01
20.00 to 80.00 Hz in steps of 0.01
0.00 to 60.00 s in steps of 0.01
Selectable by setting
G650 Generator Protection & Control System
2.4 TECHNICAL SPECIFICATIONS
2
2-19
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