GE L90 Instruction Manual page 268

5.6 GROUPED ELEMENTS 5 SETTINGS
• PHS DIST Z1 SHAPE: This setting selects the shape of the phase distance function between the mho and quadrilat-
eral characteristics. The selection is available on a per-zone basis. The two characteristics and their possible varia-
tions are shown in the following figures.
X
COMP LIMIT
DIR COMP LIMIT
DIR COMP LIMIT
DIR RCA
RCA
R
837720A1.CDR
Figure 5–56: DIRECTIONAL MHO DISTANCE CHARACTERISTIC
X
5
COMP LIMIT
RCA
R
REV REACH
RCA
837802A1.CDR
Figure 5–57: NON-DIRECTIONAL MHO DISTANCE CHARACTERISTIC
5-132 L90 Line Current Differential System GE Multilin