Sel 411L - Table 3.98 Quadrilateral Phase Distance Element Settings; Table 3.99 Quadrilateral Phase Distance Elements Relay Word Bits

P.3.195
Date Code 20151029 Protection Manual SEL-411L Relay
Protection Functions
Quadrilateral Phase Distance Elements
Table 3.99 shows the Relay Word bits for quadrilateral phase distance
elements.
Table 3.98 Quadrilateral Phase Distance Element Settings
Name Description Range
Default
(5A)
E21XP Enable quadrilateral phase distance Zones N, 1–5 3
XP1 Zone 1 reactance (ohms, s) OFF, (0.25–320)/I
NOM
a
a
I
NOM
= 1 or 5 A.
OFF
RP1 Zone 1 resistance (ohms, s) (0.25–250)/I
NOM
12.48
b
b
Hidden if XPm = OFF.
XP2 Zone 2 reactance (ohms, s) OFF, (0.25–320)/I
NOM
OFF
RP2 Zone 2 resistance (ohms, s) (0.25–250)/I
NOM
18.72
b
XP3 Zone 3 reactance (ohms, s) OFF, (0.25–320)/I
NOM
OFF
RP3 Zone 3 resistance (ohms, s) (0.25–250)/I
NOM
3.64
b
XP4 Zone 4 reactance (ohms, s) OFF, (0.25–320)/I
NOM
OFF
RP4 Zone 4 resistance (ohms, s) (0.25–250)/I
NOM
31.20
b
XP5 Zone 5 reactance (ohms, s) OFF, (0.25–320)/I
NOM
OFF
RP5 Zone 5 resistance (ohms, s) (0.25–250)/I
NOM
50.00
b
TANGP Phase nonhomogeneous correction
angle (deg)
–40.0 to +40.0 –7.0
DIR3
c
c
Common setting for the mho and quadrilateral elements.
Zone/Level 3 directional control F or R R
DIR4
c
Zone/Level 4 directional control F or R F
DIR5
c
Zone/Level 5 directional control F or R F
Table 3.99 Quadrilateral Phase Distance Elements Relay Word Bits
Relay Word Bit Description
XAB1 Zone 1 quad A-B phase element
XBC1 Zone 1 quad B-C phase element
XCA1 Zone 1 quad C-A phase element
XAB2 Zone 2 quad A-B phase element
XBC2 Zone 2 quad B-C phase element
XCA2 Zone 2 quad C-A phase element
XAB3 Zone 3 quad A-B phase element
XBC3 Zone 3 quad B-C phase element
XCA3 Zone 3 quad C-A phase element
XAB4 Zone 4 quad A-B phase element
XBC4 Zone 4 quad B-C phase element
XCA4 Zone 4 quad C-A phase element
XAB5 Zone 5 quad A-B phase element
XBC5 Zone 5 quad B-C phase element
XCA5 Zone 5 quad C-A phase element
NOTE: The resistive reach of the
quadrilateral phase distance element
setting RPn is reduced to RPPn
based on the ratio of I2/I1 using the
following equation if 32QE is not
asserted:
RPPn 0.25
I2
I1
----- 0.75+


R=