5-102 G650 Generator Protection & Control System GEK-113285A
5.5 CONTROL ELEMENTS 5 SETTINGS
• 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
Figure 5–25: ACCIDENTAL ENERGIZATION LOGIC SCHEME
INPUT COMMENT
ACCDNT ENRG 1 (2, 3) BLOCK Signal to block the accidental energization Element.(1, 2, 3)
ACCDNT ENRG 1 (2, 3) OFFLINE This input indicates that the protected generator is off-
line.for elements (1, 2, 3)
OUTPUT COMMENT
ACCDNT ENRG 1 (2, 3) ARMED This signal indicates that the element is ready for an
accidental energization detection.for elements (1, 2, 3)
ACCDNT ENRG 1 (2, 3) OP This output shows an accidental energization operation for
elements (1, 2, 3)
To Next Page
Loading...
