Schweitzer Engineering Laboratories SEL-351 - Page 393

SETTINGS SHEET Page 13 of 24
FOR THE SEL-351 RELAY Date
RELAY SETTINGS (SERIAL PORT COMMAND SET AND FRONT PANEL)
Date Code 20001006
Power Elements (Available in Firmware Versions 2 and 4; see Figure 3.34)
(Number of power element settings dependent on preceding enable setting EPWR = 1 - 4)
Per Phase Power Element Pickup
(OFF, 2.00-13000.00 VA secondary per phase {5 A nom})
(OFF, 0.40-2600.00 VA secondary per phase {1 A nom})
PWR1P =
Pwr Ele. Type (+WATTS, -WATTS, +VARS, -VARS) PWR1T =
Pwr Ele. Time Delay (0.00-16000.00 cyc.) PWR1D =
Per Phase Power Element Pickup
(OFF, 2.00-13000.00 VA secondary per phase {5 A nom})
(OFF, 0.40-2600.00 VA secondary per phase {1 A nom})
PWR2P =
Pwr Ele. Type (+WATTS, -WATTS, +VARS, -VARS) PWR2T =
Pwr Ele. Time Delay (0.00-16000.00 cyc.) PWR2D =
Per Phase Power Element Pickup
(OFF, 2.00-13000.00 VA secondary per phase {5 A nom})
(OFF, 0.40-2600.00 VA secondary per phase {1 A nom})
PWR3P =
Pwr Ele. Type (+WATTS, -WATTS, +VARS, -VARS) PWR3T =
Pwr Ele. Time Delay (0.00-16000.00 cyc.) PWR3D =
Per Phase Power Element Pickup
(OFF, 2.00-13000.00 VA secondary per phase {5 A nom})
(OFF, 0.40-2600.00 VA secondary per phase {1 A nom})
PWR4P =
Pwr Ele. Type (+WATTS, -WATTS, +VARS, -VARS) PWR4T =
Pwr Ele. Time Delay (0.00-16000.00 cyc.) PWR4D =
Voltage Sag/Swell/Interrupt (Available in Firmware Versions 3 and 4; see Figures 3.31,
3.32, 3.33)
(Make the following settings if preceding enable setting ESSI=Y)
%V1 Phase Voltage Interruption Pickup (0.00-90.00) VINT =
%V1 Phase Voltage Sag Pickup (10.00-90.00; cannot be set less than VINT) VSAG =
%V1 Phase Voltage Swell Pickup (110.00-180.00) VSWELL =
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