Schweitzer Engineering Laboratories SEL-311C - Figure 3.18 Out-Of-Step Logic

3.25
Date Code 20060320 Instruction Manual SEL-311C Relay
Distance, Out-of-Step, Overcurrent, Voltage, Synchronism Check, and Frequency Elements
Out-of-Step Characteristics
q From Figure 3.17; w to Figure 3.4; e to Figure 3.5; r to Figure 3.6.
Figure 3.18 Out-of-Step Logic
OOSB4 = Y
(Setting)
OOSB3 = Y
(Setting)
OOSB2 = Y
(Setting)
OOSB1 = Y
(Setting)
EOOST = O
(Setting)
q X5ABC
EOOST = I
(Setting)
EOOST = N
(Setting)
X6ABC
UBOSB
OSBD
0
OSTD
0
2 sec
0
0
1/4
CYC
OSB
OSTI
OST
OSTO
OSB1 w
OSB2 e
OSB3 r
OSB4 r
Relay
Word
Bits
Reset
q