ABB Relion 650 Series Technical Manual page 137

1MRK 506 326-UUS B
5.5.6 Monitored data
Table 41:
Name
Aph_R
Aph_X
Bph_R
Bph_X
Cph_R
Cph_X
A_Dir
B_Dir
C_Dir
5.5.7 Operation principle
The evaluation of the directionality takes place in directional element ZDNRDIR for the
quadrilateral and mho characteristic distance protections ZQDPDIS and ZMOPDIS. Equation
and equation
fault and phase-to-phase fault respectively.
-
AngDir
EQUATION1618 V1 EN-US
-
AngDir
EQUATION1620 V1 EN-US
Where:
AngDir
AngNegRes
V1A
V1AM
IA
Table continues on next page
Line distance protection REL650
Technical manual
ZDNRDIR (21D) Monitored data
Type Values (Range)
REAL
REAL
REAL
REAL
REAL
REAL
INTEGER
INTEGER
INTEGER
24 are used to classify that the fault is in the forward direction for phase-to-ground
× +
0.85 V A 1 0.15
<
Ang
IA
× +
0.85 V AB 1 0.15
<
Ang
IAB
Setting for the lower boundary of the forward directional characteristic, by
default set to 15 (= -15 degrees)
Setting for the upper boundary of the forward directional characteristic, by
default set to 115 degrees, see figure
quadrilateral characteristics.
Positive sequence phase voltage in phase A
Positive sequence memorized phase voltage in phase A
Phase current in phase A
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Unit
- Ohm
- Ohm
- Ohm
- Ohm
- Ohm
- Ohm
0=No direction -
1=Forward
2=Reverse
0=No direction -
1=Forward
2=Reverse
0=No direction -
1=Forward
2=Reverse
×
V AM 1
<
AngNeg Re s
×
V ABM 1
<
AngNeg Re
74 for mho characteristics and figure
Impedance protection
Description
Resistance in phase A
Reactance in phase A
Resistance in phase B
Reactance in phase B
Resistance in phase C
Reactance in phase C
Direction in phase A
Direction in phase B
Direction in phase C
s
75 for
Section 5
PID-1615-MONITOREDDATA v9
SEMOD154817-5 v3
23
(Equation 23)
(Equation 24)
131