7.4.3
Function block
OOSPPAM
I3P*
U3P*
BLOCK
BLKGEN
BLKMOT
EXTZONE1
TRIP
TRIPZ1
TRIPZ2
START
GENMODE
MOTMODE
R
X
IEC16000501-1-en.vsd
IEC16000501 V1 EN
Figure 75:
OOSPPAM function block
7.4.4
Signals
Table 70:
OOSPPAM Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Group connection for three-phase current input
U3P
GROUP
SIGNAL
-
Group connection for three-phase voltage input
BLOCK
BOOLEAN
0
Block of function
BLKGEN
BOOLEAN
0
Block operation in generating direction
BLKMOT
BOOLEAN
0
Block operation in motor direction
EXTZ1
BOOLEAN
0
Extension of zone1 reach to zone2 settings
Table 71:
OOSPPAM Output signals
Name
Type
Description
TRIP
BOOLEAN
Common trip, issued when either zone 1 or zone 2
give trip
TRIPZ1
BOOLEAN
Zone 1 trip
TRIPZ2
BOOLEAN
Zone 2 trip
START
BOOLEAN
Set when measured impedance enters lens
characteristic
GENMODE
BOOLEAN
Generator rotates faster than the system during
pole slip
MOTMODE
BOOLEAN
Generator rotates slower than the system during
pole slip
R
REAL
Real part of measured positive-sequence
impedance % of UBase/(sqrt(3)*IBase)
X
REAL
Imaginary part of measured positive-seq
impedance % of UBase/(sqrt(3)*IBase)
1MRK 502 048-UEN A
Section 7
Impedance protection
161
Technical manual
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