6.11.3
Directional underpower protection GUPPDUP (37)
6.11.3.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Directional underpower protection
GUPPDUP
P <
2
SYMBOL-LL V2 EN
37
6.11.3.2
Setting guidelines
GlobalBaseSel
: Selects the global base value group used by the function to define (
IBase
),
(
VBase
) and (
SBase
).
Operation
: With the parameter
Operation
the function can be set
Enabled
/
Disabled
.
Mode
: The voltage and current used for the power measurement. The setting possibilities
For reverse power applications
PosSeq
or
Arone
modes are strongly recommended.
Table 12:
Complex power calculation
Set value
Mode
Formula used for complex power calculation
A, B, C
*
*
*
A
A
B
B
C
C
S V
I
V
I
V
I
=
×
+
×
+
×
EQUATION2055-ANSI V1 EN
(Equation 70)
Arone
*
*
AB
A
BC
C
S V
I
V
I
=
×
-
×
EQUATION2056-ANSI V1 EN
(Equation 71)
PosSeq
*
3
PosSeq
PosSeq
S
V
I
= ×
×
EQUATION2057-ANSI V1 EN
(Equation 72)
AB
*
*
(
)
AB
A
B
S V
I
I
=
×
-
EQUATION2058-ANSI V1 EN
(Equation 73)
BC
*
*
(
)
BC
B
C
S V
I
I
=
×
-
EQUATION2059-ANSI V1 EN
(Equation 74)
Table continues on next page
1MRK 511 286-UUS A
Section 6
Current protection
145
Application manual
Summary of Contents for REC650 ANSI
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Page 66: ...Section 3 1MRK 511 286 UUS A REC650 setting examples 60 Application manual...
Page 71: ...IED IED ANSI05000460 V2 EN 1MRK 511 286 UUS A Section 4 Analog inputs 65 Application manual...
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