SETTINGS SHEET Page 2 of 24
FOR THE SEL-351 RELAY Date
RELAY SETTINGS (SERIAL PORT COMMAND SET AND FRONT PANEL)
Date Code 20001006
Time-Overcurrent Enable Settings
Phase elements (N, 1, 2) (see Table 3.1, Figures 3.14, 3.15, 3.16, and 3.17) E51P =
Neutral ground elements - channel IN (Y, N) (see Figure 3.18) E51N=
Residual ground elements (Y, N) (see Figure 3.19) E51G=
Negative-sequence elements (Y, N) (see Figure 3.20) E51Q=
Other Enable Settings
Directional control (Y, AUTO, N) (see Directional Control Settings in
Section 4)
E32=
Load encroachment (Y, N) (see Figure 4.2) ELOAD=
Switch-onto-fault (Y, N) (see Figure 5.3) ESOTF=
Voltage elements (Y, N) (see Figures 3.21, 3.22, 3.23, 3.24, and 3.25) EVOLT=
Synchronism check (Y, N) (see Figures 3.26 and 3.27) E25=
Fault location (Y, N) (see Table 12.2 and Fault Location in Section 12) EFLOC=
Loss-of-potential (Y, Y1, N) (see Figure 4.1) ELOP=
Communications-assisted trip scheme (N, DCB, POTT, DCUB1, DCUB2)
(see Communications-Assisted Trip Logic - General Overview in Section 5)
ECOMM=
Frequency elements (N, 1 - 6) (see Figure 3.30) E81=
Reclosures (N, 1- 4) (see Reclosing Relay in Section 6) E79=
SELOGIC
®
Control Equation Variable Timers (N, 1 - 16)
(see Figures 7.25 and 7.26)
ESV=
Demand Metering (THM = Thermal, ROL = Rolling) (see Figure 8.11) EDEM=
Power element levels (N, 1 - 4)
(only available in Firmware Versions 2 and 4)
EPWR=
Voltage Sag/Swell/Interruption (Y, N)
(only available in Firmware Versions 3 and 4)
ESSI=
Phase Inst./Def.-Time Overcurrent Elements (See Figures 3.1, 3.2, and 3.3)
(Number of phase element pickup settings dependent on preceding enable setting E50P = 1 - 6)
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P1P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P2P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P3P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P4P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P5P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50P6P =
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