Siemens SIPROTEC 4 7VK61 - Auxiliary Functions

Auxiliary Functions
Measured values
Operational measured values for currents
Ι
L1
; Ι
L2
; Ι
L3
; 3Ι
0
; Ι
1
; Ι
2
; Ι
Y
; Ι
P;
Ι
EE;
in A primary and secondary and in % Ι
Nperation
Tolerance
0.5 % of measured value or 0.5 % o Ι
N
Operational measured values for voltages U
L1-E
, U
L2-E
, U
L3-E
; 3U
0
, U
0
, U
1
, U
2
, U
1Ko
, U
sy2
(phase-to-earth
connection)
in kV primary, in V secondary or in % of U
NOperation
/√3
Tolerance 0.5 % of measured value, or 0.5 % of U
N
Operational measured values for voltages U
x
, U
en
in V secondary
Tolerance 0.5 % of measured value, or 0.5 % of U
N
Operational measured values for voltages U
L1-L2
, U
L2-L3
, U
L3-L1
, U
sy2
(LL-Anschluss)
in kV primary, in V secondary or in % of U
NBetrieb
Tolerance 0.5 % of measured value or 0.5 % of U
N
Operational measured values for power S; P; Q (apparent, active and reactive power)
in MVA; MW; Mvar primary and %
N
(operational nominal power) = √3 · U
N
· Ι
N
Tolerance
1 % of S
N
atΙ/Ι
N
and U/U
N
in range 50 to 120 %
1 % of P
N
at Ι/Ι
N
and U/U
N
in range 50 to 120 % and ABS(cos ϕ) in
range 0.7 to 1
1 % of Q
N
at Ι/Ι
N
and U/U
N
in range 50 to 120 % and ABS(cos ϕ) in
range 0.7 to 1
Operating measured value for power factor cos φ
Tolerance 0.02
Counter values for energy W
p
+, W
q
+; W
p
-; W
q
- (real and reactive energy)
in kWh (MWh or GWh) or
in kVARh (MVARh or GVARh)
Tolerance
1)
5 % for Ι > 0,5 Ι
N
, U > 0,5 U
N
and | cosφ | ≥ 0,707
Operating measured values for frequency f in Hz and % f
N
Range 94 % to 106 % of f
N
10 mHz or 0.02 % of f
N
Operational measured values for synchro check U
sy1
; U
sy2
; U
diff
in kV primär
f
sy1
; f
sy2
; f
diff
in Hz;
φ
diff
in °
1)
at Nominal Frequency
Operational Indication Buffer
Capacity
200 records
Fault Logging
Capacity
8 faults with a total of max. 600 messages and up to 100 binary signal traces (marks)
4.9
Technical Data
4.9 Auxiliary Functions
254 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018