Date Code 990430 Overcurrent, Voltage, Synchronism Check, and Frequency Elements 3-25
SEL-351P Manual Técnico
Elements subsection, substituting residual ground current I
G
(I
G
= 3I
0
= I
A
+ I
B
+ I
C
) for
maximum phase current I
P
and substituting like settings and Relay Word bits.
Figure SECTION 3: .18: Residual Ground Time-Overcurrent Element 51G1T (with
Directional Control Option)
Figure SECTION 3: .19: Residual Ground Time-Overcurrent Element 51G2T (with
Directional Control Option)
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