Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

Page: 171 / 706

4.27
Date Code 20070117
Instruction Manual SEL-351-5, -6, -7 Relay
Loss-of-Potential, Load Encroachment, and Directional Element Logic
Directional Control for Neutral Ground and Residual Ground Overcurrent Elements
q From Figure 4.7 ; w from Figure 4.8 ; e from Figure 9.11 ; r from Figure 4.1 ;
t from Figure 4.9 ; y from Figure 4.10 ; u from Figure 4.11 ; i from Figure 4.12 ,
Figure 4.13 , or Figure 4.14 ;
o
to Figure 4.17 .
Figure 4.15 Routing of Directional Elements to Residual Ground Overcurrent
Elements
q
From Figure 4.7 ;
w
from Figure 4.8 ;
e
from Figure 9.11 ;
r
from Figure 4.1 ;
t
from Figure 4.9 ;
y
from Figure 4.10 ;
u
from Figure 4.11 ;
i
from Figure 4.12 ,
Figure 4.13 , or Figure 4.14 ;
o
to Figure 4.18 .
Figure 4.16 Routing of Direction Elements to Neutral Ground Overcurrent
Elements
LOP
Relay
Word
Bits
q 32VE
w 32NE
F32QG
R32QG
e 3V0
q 32IE
Relay
Word
Bits
32GF
(Forward)
32GR
(Reverse)
Relay
Word
Bits
Setting
ELOP = Y
r
i
o
t
F32V
R32V
y
Loss-of-Potential
F32I
R32I
ORDER = P
F32N
R32N
u
LOP
Relay
Word
Bits
q 32VE
w 32NE
F32QG
R32QG
e 3V0
q 32IE
Relay
Word
Bits
32NF
(Forward)
32NR
(Reverse)
Relay
Word
Bits
Setting
ELOP = Y
r
o
t
F32V
R32V
y
Loss-of-Potential
F32I
R32I
u
F32N
R32N
i