Set value for
parameter
“Mode”
Formula used for complex, three-
phase power calculation
Formula used for voltage and
current magnitude calculation
Comment
1
L1, L2, L3
*
*
*
1
1
2
2
3
3
=
×
+
×
+
×
L
L
L
L
L
L
S
U
I
U
I
U
I
EQUATION1385 V1 EN-US
(Equation 56)
1
2
3
1
2
3
(
) / 3
(
) / 3
=
+
+
=
+
+
L
L
L
L
L
L
U
U
U
U
I
I
I
I
EQUATION1386 V1 EN-US
(Equation 57)
Used when
three phase-
to-earth
voltages are
available
2
Arone
*
*
1 2
1
2 3
3
=
×
-
×
L L
L
L L
L
S
U
I
U
I
EQUATION1387 V1 EN-US
(Equation 58)
1 2
2 3
1
3
(
) / 2
(
) / 2
=
+
=
+
L L
L L
L
L
U
U
U
I
I
I
EQUATION1388 V1 EN-US
(Equation 59)
Used when
two phase-
to-phase
voltages are
available
3
PosSeq
*
3
= ×
×
PosSeq
PosSeq
S
U
I
EQUATION1389 V1 EN-US
(Equation 60)
3
=
×
=
PosSeq
PosSeq
U
U
I
I
EQUATION1390 V1 EN-US
(Equation 61)
Used when
only
symmetrical
three phase
power shall
be measured
4
L1L2
*
*
1 2
1
2
(
)
=
×
-
L L
L
L
S
U
I
I
EQUATION1391 V1 EN-US
(Equation 62)
1 2
1
2
(
) / 2
=
=
+
L L
L
L
U
U
I
I
I
EQUATION1392 V1 EN-US
(Equation 63)
Used when
only U
L1L2
phase-to-
phase
voltage is
available
5
L2L3
*
*
2 3
2
3
(
)
=
×
-
L L
L
L
S
U
I
I
EQUATION1393 V1 EN-US
(Equation 64)
2 3
2
3
(
) / 2
=
=
+
L L
L
L
U
U
I
I
I
EQUATION1394 V1 EN-US
(Equation 65)
Used when
only U
L2L3
phase-to-
phase
voltage is
available
6
L3L1
*
*
3 1
3
1
(
)
=
×
-
L L
L
L
S
U
I
I
EQUATION1395 V1 EN-US
(Equation 66)
3 1
3
1
(
) / 2
=
=
+
L L
L
L
U
U
I
I
I
EQUATION1396 V1 EN-US
(Equation 67)
Used when
only U
L3L1
phase-to-
phase
voltage is
available
7
L1
*
1
1
3
= ×
×
L
L
S
U
I
EQUATION1397 V1 EN-US
(Equation 68)
1
1
3
=
×
=
L
L
U
U
I
I
EQUATION1398 V1 EN-US
(Equation 69)
Used when
only U
L1
phase-to-
earth voltage
is available
Table continues on next page
1MRK 506 382-UEN A
Section 14
Monitoring
Line distance protection REL650 2.2 IEC
557
Technical manual
Summary of Contents for RELION 650 SERIES
Page 1: ...RELION 650 SERIES Line distance protection REL650 Version 2 2 Technical manual ...
Page 2: ......
Page 46: ...40 ...
Page 56: ...50 ...
Page 164: ...158 ...
Page 264: ...258 ...
Page 304: ...298 ...
Page 320: ...314 ...
Page 338: ...332 ...
Page 438: ...432 ...
Page 468: ...462 ...
Page 534: ...528 ...
Page 646: ...640 ...
Page 660: ...654 ...
Page 676: ...670 ...
Page 800: ...794 ...
Page 836: ...830 ...
Page 890: ...884 ...
Page 894: ...888 ...
Page 940: ...934 ...
Page 941: ...935 ...