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4.119
Date Code 20170814
Instruction Manual
SEL-700G Relay
Protection and Logic Functions
Group Settings (SET Command)
Figure 4.87
Positive-Sequence Voltage-Polarized Directional Element for
Phase Overcurrent Elements
q
To Figure 4.94
w
From Figure 4.74
e
To Figure 4.88
50PDIRP • 3
50PDIR
|I
A
—I
B
|
|I
B
—I
C
|
|I
C
—I
A
|
LOP
DIRQE
ZLOAD
VPOLV
Setting [fixed at (phase channel nominal rating) • (0.1)
when load encroachment is enabled]
FDIRP
(Forward)
RDIRP
(Reverse)
[90° + Z1ANG]
>
∠
Z
1
>
[—90° + Z1ANG]
Z1ANG
X
1
(90°)
(270°)
(0°)
(180°)
R
1
Forward
Reverse
Loss-of-Potential
Neg.-Seq. Dir.
Element Has Priority
Load Condition
Pos.-Seq. Polarizing Voltage Present
Relay
Word
Bits
Relay
Word
Bits
1
2
3
1
NOTE:
This element uses positive-
sequence memory voltage as the
polarization voltage.
Содержание SEL-700G Series
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