Schweitzer Engineering Laboratories SEL-700G Series, Инструкция по эксплуатации

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4.103
Date Code 20170814 Instruction Manual SEL-700G Relay
Protection and Logic Functions
Group Settings (SET Command)
Table 4.27 Available Ground Directional Elements
ORDER
Setting
Choices
Corresponding
Ground
Directional
Element (and
System
Grounding)
Corresponding
Internal Enables
(and System
Grounding)
Corresponding
Figures
Availability
Q
Negative-sequence
voltage-polarized
DIRQGE
Figure 4.74,
Figure 4.77 All models,
except
SEL-700GW
V
Zero-sequence
voltage-polarized
(with IG as operate
quantity)
DIRVE
Figure 4.75,
Figure 4.78
I
Channel
IN
current
polarized
DIRIE
Figure 2.18,
Figure 4.76,
Figure 4.79 Models with a
1 A or 5 A
nominal neutral
channel (
IN
)
U
a
a
U cannot be listed together with other choices in the ORDER setting. ORDER = U can only be
set on the X side.
Zero-sequence
voltage-polarized
(with IN as operate
quantity)
DIRNE
Figure 2.18,
Figure 4.76,
Figure 4.80 SEL-700G0,
SEL-700G0+,
SEL-700G1,
SEL-700G1+,
SEL-700GT+