Page 5-5
IL17569
Effective June, 2001
Table 5.2 Protection
Setting Group ____
Phase Overcurrent: Phase time overcurrent (51P) and instantaneous (50P-1 & 50P-2) protective device settings
Display Setting Description Setpoint Range/ Default Selected Refer to
Value Selection Setting Value Sec. #
51P PH Phase Time Overcurrent 5.5.2.1
TOC Curve Curve Settings 8.3
Shape: Select curve characteristic shape IT, I2T, I4T, FLAT, MOD, MOD
13.4
VERY, XTRM, IECA,
IECB, IECC
Reset: Select curve reset characteristics Inst, Calc, T Delay Calc
Direction: Directional control reserved (Fixed at Both) Both
for future use
51P PH TOC Phase Time Overcurrent Pickup 5.5.2.1
Setting and Time Multiplier Settings 8.3
Pickup: Select current pickup value 0.1 to 4.0 pu, or Disable 1.00
in per unit values (x I
nom) (0.01 increments)
Time Mult: Select Time Multiplier 0.05 to 10.0 1.00
(.01 increments)
50P-1 PH IOC 1 Phase Overcurrent 5.5.2.1
Element #1 Setting 8.3
Pickup: Select current pickup value 0.1 to 20.0 pu, or Disable 2.00
in per unit values (x I
nom) (0.01 increments)
Delay (c): Select delay time in cycles 0 to 9999 cycles 0
(1 cycle increments)
Direction: Directional control reserved (Fixed at Both) Both
for future use
50P-2 PH IOC 2 Phase Overcurrent 5.5.2.1
Element #2 Setting 8.3
Pickup: Select current pickup value 0.1 to 20.0 pu, or Disable 3.00
in per unit values (x I
nom) (0.01 increments)
Delay (c): Select delay time in cycles 0 to 9999 cycles 15
(1 cycle increments)
Direction: Directional control reserved (Fixed at Both) Both
for future use
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