min
min
exp max
0.8RLd V
P
V
= × ×
æ ö
ç ÷
è ø
GUID-AF9BD6F2-E64B-424D-B361-49448A1CF690-ANSI V1 EN-US (Equation 167)
Where,
Pexpmax
is the maximum exporting active power
Vmin
is the minimum voltage for which
Pexpmax
occurs
0.8
is the security factor to ensure that the setting of
RLd
can be lesser than the calculated
minimal resistive load
ANSI11000304 V1 EN-US
Figure 167: Characteristics of load encroachment in R-X plane
8.9.3.3 Under voltage seal-in
GUID-946B8F59-8609-4F93-B346-AE053F1C2F9C v2
Settings involved in under voltage seal-in are:
OpMode27pickup: Under voltage seal-in feature is enabled using this setting and can
be selected as Disabled or Z2pick up or Z3pick up. If the under voltage seal-in has to be
1MRK 502 071-UUS A Section 8
Impedance protection
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 339
Application manual
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