Schweitzer Engineering Laboratories SEL-351A - Page 386

SET.2
of 26
SEL-351A-1 Settings Sheets
Relay Settings (Serial Port Command SET and Front Panel)
SEL-351A-1 Relay Instruction Manual Date Code 20080213
Date________________
(Make settings Z0SMAG and Z0SANG when global setting PTCONN = DELTA.)
Zero-sequence source impedance magnitude (delta-connected
voltages)
(0.10–510.00 Ω secondary {5 A nom.})
(0.50–2550.00 Ω secondary {1 A nom.})
Z0SMAG =
Zero-sequence source impedance angle (delta-connected
voltages)
(0.00–90.00 degrees)
Z0SANG =
Line length (0.10–999.00, unitless)
LL =
Instantaneous Overcurrent Enable Settings
Phase element levels (N, 1–6) (see Figure 3.1, Figure 3.2,
Figure 3.3, and Figure 3.7)
E50P =
Neutral-ground element levels—channel IN (N, 1–6)
(see Figure 3.8 and Figure 3.9)
E50N =
Residual-ground element levels (N, 1–6) (see Figure 3.10 and
Figure 3.11)
E50G =
Negative-sequence element levels (N, 1–6) (see Figure 3.12 and
Figure 3.13)
E50Q =
Time-Overcurrent Enable Settings
Phase elements (N, 1, 2) (see Table 3.1, Figure 3.14,
Figure 3.15, Figure 3.16, and Figure 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 3.21)
E51Q =
Other Enable Settings
Switch-onto-fault (Y, N) (see Figure 5.3) ESOTF =
Voltage elements (Y, N) (see Figure 3.22, Figure 3.23,
Figure 3.24, Figure 3.25, and Figure 3.26)
EVOLT =
Fault location (Y, N) (see Fault Location on page 12.5)
EFLOC =
Frequency elements (N, 1–3) (see Figure 3.32)
E81 =
Reclosures (N, 1–4, C1–C4) (see Reclosing Relay on page 6.12)
E79 =
SEL
OGIC
®
Control Equation Variable Timers (N, 1–16)
(see Figure 7.23 and Figure 7.24)
ESV =
Demand Metering (THM = Thermal, ROL = Rolling) (see
Figure 8.11)
EDEM =
Courtesy of NationalSwitchgear.com