Date Code 990430
Loss-of-Potential, Load Encroachment, and Directional Element Logic
4-11
SEL-351P Manual Técnico
See the beginning of following subsection
Directional Control Settings
for discussion of the
operation of level direction settings DIR1 through DIR4 when the directional control enable
setting E32 is set to E32 = N.
In some applications, level direction settings DIR1 through DIR4 are not flexible enough in
assigning the desired direction for certain overcurrent elements. Subsection
Directional Control
Provided by Torque Control Settings
at the end of this section describes how to avoid this
limitation for special cases.
Figure SECTION 4: .5:
Internal Enables (32QE and 32QGE) Logic for Negative-
Sequence Voltage-Polarized Directional Elements
Содержание SEL-351P
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