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IB02602004E
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Instructional Literature
Effective: May 2008
Page
71
Instructions for the FP-6000 Protective Relay
Table 12. Protection (continued).
Alarms:
(continued).
DISPLAY SETTING
DESCRIPTION
SETPOINT RANGE/
VALUE SELECTION
DEFAULT
SETTING
SELECTED
VALUE
REFER TO SEC. #
59N-2 OV Definition
Neutral Overvoltage Settings
5.4.2.12
5.4.2.5
8.6.2
Source:
Select if overvoltage operation is based on cal-
culated or measured voltage
Calculated, measured
Calculated
Criterion:
Select if the threshold is based on fundamental
or rms
Phasor, RMS
Phasor
59N-2 OV Alarm
Neutral Overvoltage Alarm Settings
5.4.2.12
5.4.2.5
8.6.2
Threshold:
Select the magnitude of overvoltage required
5 to 250 Volts, disable
(Increments of 1)
(251=disable)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
1200
59A-2 OV Alarm
Auxiliary VT Overvoltage Alarm Setting
5.4.2.12
5.4.2.5
8.6.2
Threshold V:
Select the magnitude of overvoltage required
10 to 150 Volts, disable
(1 Volt increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
0
27A-2 UV Alarm
Auxiliary VT Undervoltage Alarm Setting
5.4.2.12
5.4.2.5
8.6.2
Threshold V:
Select magnitude of undervoltage required
10 to 250 Volts, disable
(1 Volt increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
0
32-3 Power Definition
Power Protection Settings 3
5.4.2.12
5.4.2.6
Direction:
Select the direction of the power
Forward, reverse, both
Reverse
Criterion:
Select if the threshold is based on over or under
power
Over, Under
Over
32-3 Power Alarm
Power Alarm Settings
5.4.2.12
5.4.2.6
Threshold:
Select the magnitude of the power required
0.02 to 4.0
pu
* or disable
(Increments of 1)
(401=off)
Disable
Delay (c):
Select the delay time in cycles
0 to 65535 cycles
1 cycle increments)
10
81U-2 UF Alarm
Underfrequency Alarm Settings
5.4.2.12
5.4.2.7
8.8
Threshold:
Select threshold based on power system fre-
quency
45 to 65 Hz, disable
(0.01 increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
0
81O-2 OF Alarm
Overfrequency Alarm Settings
5.4.2.12
5.4.2.7
8.8
Threshold:
Select threshold based on power system fre-
quency
45 to 65 Hz, disable
(0.01 increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
0
* 1pu = 3 x CT secondary rating x VT secondary rating for wye; the square root of 3 x VT secondary rating x CT secondary rating for delta