U
X
, U
en
Voltage at measuring input U
4
- V -
U
sy2
Voltage at measuring input U
4
kV V Rated operational voltage or
Rated operational voltage / √3
2)4)5)
S, P, Q Apparent, active and reactive power MVA,
MW,
MVAR
—
√3 · U
N
· Ι
N
nominal operating
quantities
1)2)
f Frequency Hz Hz Nominal Frequency
cos φ Power factor (abs) (abs) —
U
sy1
, U
sy2
, U
diff
Line voltage, busbar voltage and
voltage difference (for synchronism
check)
kV — —
f
sy1
, f
sy2
, f
diff
Line voltage, busbar frequency and
voltage difference (for synchronism
check)
Hz — —
φ
diff
Amount of phase angle difference
between line and busbar (for
synchronism check)
°
— —
1)
acc. to address 1104
2)
acc. to address 1103
3)
considering factor 221 I4/Iph CT
4)
acc. to address 212 Usy2 connection
5)
considering factor 215 Usy1/Usy2 ratio
he computation of the operational measured values is also executed during an existent system fault in inter-
vals of approx. 0.5s
Information List
No.
Information Type of
Informa-
tion
Comments
601 IL1 = MV I L1
602 IL2 = MV I L2
603 IL3 = MV I L3
610 3I0 = MV 3I0 (zero sequence)
619 I1 = MV I1 (positive sequence)
620 I2 = MV I2 (negative sequence)
621 UL1E= MV U L1-E
622 UL2E= MV U L2-E
623 UL3E= MV U L3-E
624 UL12= MV U L12
625 UL23= MV U L23
626 UL31= MV U L31
627 Uen = MV Uen
631 3U0 = MV 3U0 (zero sequence)
632 Usy2= MV Measured value Usy2
633 Ux = MV Ux (separate VT)
634 U1 = MV U1 (positive sequence)
635 U2 = MV U2 (negative sequence)
636 Udiff = MV Measured value U-diff (Usy1- Usy2)
637 Usy1= MV Measured value Usy1
2.9.3.2
Functions
2.9 Auxiliary Functions
166 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018