Schweitzer Engineering Laboratories SEL-351 - Page 385

SETTINGS SHEET Page 5 of 24
FOR THE SEL-351 RELAY Date
RELAY SETTINGS (SERIAL PORT COMMAND SET AND FRONT PANEL)
Date Code 20001006
Phase Time-Overcurrent Element (See Figure 3.14)
(Make the following settings if preceding enable setting E51P = 1 or 2)
Pickup (OFF, 0.50 - 16.00 A {5 A nom.}, 0.10 - 3.20 A {1 A nom.}) 51PP =
Curve (U1 - U5, C1 - C5; see Figures 9.1 through 9.10) 51PC =
Time-Dial (0.50 - 15.00 for curves U1-U5, 0.05 - 1.00 for curves C1-C5) 51PTD =
Electromechanical Reset (Y, N) 51PRS =
A-Phase Time-Overcurrent Element (See Figure 3.15)
(Make the following settings if preceding enable setting E51P = 2)
Pickup (OFF, 0.50 - 16.00 A {5 A nom.}, 0.10 - 3.20 A {1 A nom.}) 51AP =
Curve (U1 - U5, C1 - C5; see Figures 9.1 through 9.10) 51AC =
Time-Dial (0.50 - 15.00 for curves U1-U5, 0.05 - 1.00 for curves C1-C5) 51ATD =
Electromechanical Reset (Y, N) 51ARS =
B-Phase Time-Overcurrent Element (See Figure 3.16)
(Make the following settings if preceding enable setting E51P = 2)
Pickup (OFF, 0.50 - 16.00 A {5 A nom.}, 0.10 - 3.20 A {1 A nom.}) 51BP =
Curve (U1 - U5, C1 - C5; see Figures 9.1 through 9.10) 51BC =
Time-Dial (0.50 - 15.00 for curves U1-U5, 0.05 - 1.00 for curves C1-C5) 51BTD =
Electromechanical Reset (Y, N) 51BRS =
C-Phase Time-Overcurrent Element (See Figure 3.17)
(Make the following settings if preceding enable setting E51P = 2)
Pickup (OFF, 0.50 - 16.00 A {5 A nom.}, 0.10 - 3.20 A {1 A nom.}) 51CP =
Curve (U1 - U5, C1 - C5; see Figures 9.1 through 9.10) 51CC =
Time-Dial (0.50 - 15.00 for curves U1-U5, 0.05 - 1.00 for curves C1-C5) 51CTD =
Electromechanical Reset (Y, N) 51CRS =
Neutral Ground Time-Overcurrent Element - Channel IN (See Figure 3.18)
(Make the following settings if preceding enable setting E51N = Y)
Pickup (OFF, 0.500 - 16.000 A {5 A nom.}, 0.100 - 3.200 A {1 A nom.},
0.005 - 0.160 A {0.05 A nom.})
51NP =
Curve (U1 - U5, C1 - C5; see Figures 9.1 through 9.10) 51NC =
Time-Dial (0.50 - 15.00 for curves U1-U5, 0.05 - 1.00 for curves C1-C5) 51NTD =
Electromechanical Reset (Y, N) 51NRS =
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