Instructional Literature
Page
66
Effective: May 2008
Instructions for the FP-6000 Protective Relay
For more information visit: www.eaton.com
IB02602004E
Table 12. Protection (continued).
Main V Protection:
Selects undervoltage (27M-1) and overvoltage (59M-1) device settings.
DISPLAY SETTING
DESCRIPTION
SETPOINT RANGE/
VALUE SELECTION
DEFAULT
SETTING
SELECTED
VALUE
REFER TO SEC. #
27M-1 Undervoltage
Main VT Undervoltage Settings
5.4.2.5
8.6.2
Phase:
Select the undervoltage phases
Any one, any two or all three
(1=any one, 2=any two, 3= all)
Any one
Threshold V:
Select magnitude of undervoltage required
10 to 150 Volts or disable
(1 Volt increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
1200
59M-1 Overvoltage
Main VT Overvoltage Settings
5.4.2.5
8.6.2
Phase:
Select the overvoltage phases
Any one, any two or all three
(1=any one, 2=any two, 3= all)
Any one
Threshold:
Select magnitude of overvoltage required
10 to 150 Volts or disable
(1 Volt increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
1200
Loss Potential
Loss Potential Settings
5.4.2.5
8.6.2
LOP Block
Select to set the LOP Block flag bit when loss of
potential is identified. LOPB will automatically
block the voltage restraint function of 51P2.
Disable or Enable
Enable
Alarm Delay
Select LOP alarm delay in cycles
0 to 9999 cycles or disable
(Increments of 1)
(10000=disable)
5
Aux V Protection:
Select undervoltage (27A-1) and overvoltge (59A-1) device settings.
DISPLAY SETTING
DESCRIPTION
SETPOINT RANGE/
VALUE SELECTION
DEFAULT
SETTING
SELECTED
VALUE
REFER TO SEC. #
27A-1 Undervoltage
Auxiliary VT Undervoltage Settings
5.4.2.5
8.6.2
Threshold:
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)
1200.00
59A-1 Overvoltage
Auxiliary VT Overvoltage Settings
5.4.2.5
8.6.2
Threshold:
Select magnitude of overvoltage required
10 to 250 Volts, disable (1 Volt
increments)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles (1 cycle
increments)
1200
Neutral V Protection:
Select neutral voltage device settings.
DISPLAY SETTING
DESCRIPTION
SETPOINT RANGE/
VALUE SELECTION
DEFAULT
SETTING
SELECTED
VALUE
REFER TO SEC. #
59N-1 OV Definition
Neutral Overvoltage Settings
5.4.2.5
8.6.2
Source:
Select if the operation is based on calculated or
measured voltgage
Calculated, measured
(0=calculated, 1=measured)
Calculated
Criterion:
Select if the threshold is based on fundamental
or rms
Phasor, RMS
(0=Phasor, 1=RMS)
Phasor
59N-1 OV Trip
Neutral Overvoltage Trip Settings
5.4.2.5
8.6.2
Threshold:
Select magnitude of overvoltage required
5 to 250 Volts
(Increments of 1)
(251=disable)
Disable
Delay (c):
Select delay time in cycles
0 to 9999 cycles
1 cycle increments)
1200
