IB02602004E
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Instructional Literature
Effective: May 2008
Page
63
Instructions for the FP-6000 Protective Relay
Table 12. Protection.
Setting Group ______
Phase Overcurrent :
Phase time overcurrent (51P-1 & 51P-2) and instantaneous (50P-1 & 50P-2) protective device settings
.
DISPLAY SETTING
DESCRIPTION
SETPOINT RANGE/
VALUE SELECTION
DEFAULT
SETTING
SELECTED
VALUE
REFER TO SEC. #
51P-1 PH TOC Curve
Phase Time Overcurrent Curve Element #1 Set-
tings
5.4.2.1
8.3
13.4
Shape:
Select curve characteristic shape
IT, I2T, I4T, FLAT, MOD, VERY, XTRM,
IECA, IECB, IECC
MOD
Reset:
Select curve reset characteristics
Inst, Calc, T Delay
Calc
Direction:
Select direction
Forward, Reverse, Both
Both
51P-1 PH TOC Setting
Phase Time Overcurrent Pickup and Time Multi-
plier Element #1 Settings
5.4.2.1
8.3
Pickup:
Select current pickup value in per unit values
(x I
nom
)
0.02 to 4.0
pu
or Disable
(0.01 increments)
1.00
Time Mult:
Select Time Multiplier
0.05 to 10.0
(.01 increments)
1.00
Vrestraint
Reserved for later use
60 to 150 Volts or Disable
(Increments of 1)
(151=disable)
Disable
51P-2 PH TOC Curve
Phase Time Overcurrent Curve Element #2 Set-
tings
5.4.2.1
8.3
13.4
Shape:
Select curve characteristic shape
IT, I2T, I4T, FLAT, MOD,
VERY, XTRM, IECA, IECB, IECC
MOD
Reset:
Select curve reset characteristics
Inst, Calc, T Delay
Calc
Direction:
Select direction
Forward, Reverse, Both
Both
51P-2 PH TOC Setting
Pickup
Phase Time Overcurrent Pickup and Time Multi-
plier Element #2 Settings
5.4.2.1
8.3
Pickup:
Select current pickup value in per unit values
(x I
nom
)
0.02 to 4.0
pu
or Disable
(0.01 increments)
1.00
Time Mult:
Select Time Multiplier
0.05 to 10.0
(.01 increments)
2.00
Vrestraint
Select the maximum secondary voltgage
restraint level
60 to 150 Volts or Disable
(Increments of 1)
(151=disable)
Disable
50P-1 PH IOC 1
Phase Overcurrent Element #1 Setting
5.4.2.1
8.3
Pickup:
Select current pickup value in per unit values
(x I
nom
)
0.1 to 20.0
pu
or Disable
(0.01 increments)
2.00
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
0
Direction:
Select direction
Forward, Reverse, Both
Both
50P-2 PH IOC 2
Phase Overcurrent Element #2 Setting
5.4.2.1
8.3
Pickup:
Select current pickup value in per unit values
(x I
nom
)
0.1 to 20.0
pu
or Disable
(0.01 increments)
3.00
Delay (c):
Select delay time in cycles
0 to 9999 cycles
(1 cycle increments)
15
Direction:
Select direction
Forward, Reverse, Both
Both