GE 845 Instruction Manual page 349

CHAPTER 4: SETPOINTS
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
TD MULTIPLIER
Range: 0.05 to 600.00 in steps of 0.01
Default: 1.00
This setting provides a selection for the Time Dial Multiplier which modifies the operating
times for the selected inverse curve. When the curve is set to "Definite Time", T(s) = TD
multiplier. For example, setting the TD multiplier to 20 results in a time delay of 20
seconds to operate when above the Volts/Hz pickup setting.
T RESET
Range: 0.00 to 6000.00 in steps of 0.01
Default: 1.00
Enter the time that the Volts per Hertz value must remain below the pickup level before
the element resets.
BLOCK
Range: Off, FlexLogic Operand
Default: Off
The Volts per Hertz can be blocked by any asserted FlexLogic operand.
OUTPUT RELAY X
For details see Common
EVENTS
Range: Enabled, Disabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Self-reset
Setpoints.
PROTECTION
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