CHAPTER 7: MONITORING FUNCTIONS
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 7–21
Path: Setpoints > Monitoring > Functions > Power Factor 1(X)
FUNCTION
Range: Disabled, Alarm, Latched Alarm, Configurable
Default: Disabled
SIGNAL INPUT
Range: Power 1, Power 2
Default: Power 1
This setting provides the selection for the power input. (850-D only)
SWITCH-IN
Range: -0.01 to -0.99, 1, 0.99 to 0.01 (for 8 Series Enervista Setup software: 0.01 Lead, 0.02
Lead, …, 0.98 Lead, 0.99 Lead, 1, 0.99 Lag, 0.98 Lag, …, 0.02 Lag, 0.01 Lag)
Default: 0.08 Lag
The setting sets the Power Factor Switch-In level. The negative value is used to denote
the lead power factor, and the positive value is used for the lag power factor.
SWITCH-OUT
Range: -0.01 to -0.99, 1, 0.99 to 0.01 (for 8 Series Enervista Setup software: 0.01 Lead, 0.02
Lead, …, 0.98 Lead, 0.99 Lead, 1, 0.99 Lag, 0.98 Lag, …, 0.02 Lag, 0.01 Lag)
Default: 1.00
The setting sets the Power Factor Switch-Out level. The negative value is used to denote
the lead power factor, and the positive value is used for the lag power factor.
FAST PATH:
SWITCH-IN and SWITCH-OUT are mutually exclusive settings. See the application
examples above which show no common zone in which both SWITCH-IN and SWITCH-OUT
are asserted.
DELAY
Range: 0.000 to 6000.000 s in steps of 0.001 s
Default: 50.000 s
The setting provides the definite Switch-In and Switch-Out time delay. Instantaneous
operation is selected by the time delay setting of 0.000 s.
MINIMUM VOLTAGE
Range: 0.00 to 1.25 x VT in steps of 0.01 x VT
Default: 0.30 x VT
The setting sets the minimum voltage for Power Factor element operation specified per
times VT.
BLOCK
Range: Off, Any FlexLogic operand
Default: Off
OUTPUT RELAY X
For details see Common Setpoints
.
EVENTS
Range: Enabled, Disabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Self-reset
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