ABB Relion 670 series, Technical Manual

Page: 552 / 1432

Table 280: GUPPDUP (37) Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
Mode A, B, C
Arone
Pos Seq
AB
BC
CA
A
B
C
- - Pos Seq Selection of measured current and voltage
8.11.6 Monitored data
PID-3709-MONITOREDDATA v4
Table 281: GUPPDUP (37) Monitored data
Name Type Values (Range) Unit Description
P REAL - MW Active Power in MW
PPERCENT REAL - % Active power in % of SBase
Q REAL - MVAr Reactive power in MVAr
QPERCENT REAL - % Reactive power in % of SBase
8.11.7 Operation principle
SEMOD172136-4 v4
A simplified scheme showing the principle of the power protection function is shown in figure 290 .
The function has two stages with individual settings.
Chosen current
phasors
Chosen voltage
phasors
Complex
power
calculation
P
Derivation of
S( composant)
in Char angle
S( angle)
S( angle) <
Power1
t TRIP 1
PICKUP1
Q
P = POWRE
Q = POWIM
S( angle) <
Power2
TRIP2
PICKUP2
0
t
0
ANSI06000438-2-en.vsd
ANSI06000438 V2 EN-US
Figure 290: Simplified logic diagram of the power protection function
Section 8 1MRK 502 066-UUS B
Current protection
546
Technical manual