GE L60 Instruction Manual page 287

Line phase comparison system, ur series
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5 SETTINGS
5.5 GROUPED ELEMENTS
Figure 5–70: GROUND DISTANCE ZONE 2 OP SCHEME
For ground distance zone 2, there is a provision to start the zone timer with the other distance zones or loop pickup
flags to avoid prolonging ground distance zone 2 operation if the fault evolves from one type to another or migrates
from zone 3 or 4 to zone 2. The desired zones should be assigned in the trip output element to accomplish this
NOTE
functionality.
5
Figure 5–71: GROUND DISTANCE ZONES 3 AND HIGHER OP SCHEME
GE Multilin
L60 Line Phase Comparison System
5-149

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