Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

Page: 404 / 706

SET.2
of 34
SEL-351-5, -6, -7 Relay Instruction Manual
Date Code 20070117
Date________________
Zero-sequence line impedance magnitude
(0.05–255.00
Ω
secondary {150 V voltage inputs; 5 A nom.})
(0.25–1275.00
Ω
secondary
{150 V voltage inputs; 1 A nom.})
(0.10–510.00
Ω
secondary {300 V voltage inputs; 5 A nom.})
(0.50–2550.00
Ω
secondary
{300 V voltage inputs; 1 A nom.})
Z0MAG =
Zero-sequence line impedance angle (5.00–90.00 degrees) Z0ANG =
(Make settings Z0SMAG and Z0SANG when global settings PTCONN = DELTA and VSCONN = VS.)
Zero-sequence source impedance magnitude (delta-connected
voltages)
(0.05–255.00
Ω
secondary {150 V voltage inputs; 5 A nom.})
(0.25–1275.00
Ω
secondary
{150 V voltage inputs; 1 A nom.})
(0.10–510.00
Ω
secondary {300 V voltage inputs; 5 A nom.})
(0.50–2550.00
Ω
secondary
{300 V voltage inputs; 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/Definite-Time 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 3.20 ) E51Q =
Other Enable Settings
(When VNOM = OFF, and the relay has a 0.2 or 0.05 A nominal neutral rating, and global setting VSCONN = VS, setting
E32 can only be set to “N.”)
Directional control (Y, AUTO, N) (see Directional Control
Settings on page 4.38 )
E32 =
(When VNOM = OFF, setting ELOAD can only be set to “N.”)
Load encroachment (Y, N) (see Figure 4.2 ) ELOAD =