Siemens SIPROTEC 7SK80 - Display of Measured Values

Functions
2.18 Auxiliary Functions
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
256
2.18.3.1 Display of Measured Values
Table 2-17 Conversion formulae between secondary, primary and percentage measured values
Table 2-18 Legend for the conversion formulae
Measured
values
second-
ary
primary %
I
A
, I
B
, I
C
,
I
1
, I
2
I
sec
I
N
= 3 ·I
0
(calculated)
I
N sec
I
N
= measured
value from the I
N
input
I
N sec
I
Ns
(I
Ns
,
I
3I0real
,
I
3I0reactive
I
Ns sec.
I
N2
= measured
value from the
I
E2
input
I
N2 sec.
V
A
, V
B
, V
C
,
V
0
, V
1
, V
2
V
Ph-N sec.
V
A–B
, V
B–C
, V
C–A
V
Ph-Ph sec.
V
N
V
N sec.
V
x
V
x sec.
P, Q, S (P and Q
phase-segregat-
ed)
No secondary measured values
Power factor
(phase-segre-
gated)
cos ϕ cos ϕ cos ϕ · 100 in %
Frequency f in Hz f in Hz
Parameter Address Parameter Address
Vnom PRIMARY 202 Ignd-CT PRIM 217
Vnom SECONDARY 203 Ignd-CT SEC 218
CT PRIMARY 204 Ignd2-CT PRIM. 238
CT SECONDARY 205 Ignd2-CT SEC. 239
Vph / Vdelta 206 FullScaleVolt. 1101
VXnom PRIMARY 232 FullScaleCurr. 1102
VXnom SECONDARY 233