GE 889 Instruction Manual page 263

CHAPTER 4: SETPOINTS
889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
ALARM OUTPUT RELAY
Range: Do Not Operate, Operate
Default: Do Not Operate
Any assignable output relay can be selected to operate upon generator unbalance
operation. The operation of these general relays is programmed by the user. Each relay
can be selected to become either energized or de-energized when operated, and to
operate as latched, self-resetting or pulsed.
BLOCK
Range: Off, Any FlexLogic operand
Default: Off
EVENT
Range: Enabled, Disabled
Default: Enabled
TARGET
Range: Self-reset, Latched, DIsabled
Default: Self-reset
Figure 4-45: Generator Unbalance Inverse TIme Curves
PROTECTION
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