GE 845 Instruction Manual page 321

Transformer protection relay
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CHAPTER 4: SETPOINTS
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CURVES
Range: Definite Time, FlexCurve A, FlexCurve B, FlexCurve C, FlexCurve D.
Default: Definite Time
PICKUP DELAY
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 1.000 s
The NEUTRAL OV 1 PICKUP DELAY setting applies only if the NEUTRAL OV 1 CURVE setting
is "Definite time".
DROPOUT DELAY
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 1.000 s
BLOCK
Range: Off, Any operand from the list of FlexLogic operands
Default: Off
RELAYS
Range: Do Not Operate, Operate
Default: Do Not Operate
EVENTS
Range: Enabled, Disabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Self-reset
PROTECTION
4–217

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