GE Multilin G650 Manual page 245

5.5 CONTROL ELEMENTS
• Ph Undervoltage pickup: This setting specifies the voltage level required to arm the accidental energization element.
All of the line-to-line voltages must drop below the 'Ph Undervoltage pickup' level in order to detect the undervoltage
condition.
• Snapshot events: The snapshot event setting enables or disables the snapshot event generation for this element.
Table 5–99: 50/27 ACCDNT ENRG ELEMENT INPUTS
Table 5–100: 50/27 ACCDNT ENRG ELEMENT OUTPUTS
5
5-102
INPUT
ACCDNT ENRG 1 (2, 3) BLOCK
ACCDNT ENRG 1 (2, 3) OFFLINE
OUTPUT
ACCDNT ENRG 1 (2, 3) ARMED
ACCDNT ENRG 1 (2, 3) OP
Figure 5–25: ACCIDENTAL ENERGIZATION LOGIC SCHEME
G650 Generator Protection & Control System
COMMENT
Signal to block the accidental energization Element.(1, 2, 3)
This input indicates that the protected generator is off-
line.for elements (1, 2, 3)
COMMENT
This signal indicates that the element is ready for an
accidental energization detection.for elements (1, 2, 3)
This output shows an accidental energization operation for
elements (1, 2, 3)
5 SETTINGS
GEK-113285A