Auxiliary Functions
Measured values
Operational measured values for currents
Ι
L1
;
Ι
L2
;
Ι
L3
; 3
Ι
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
at
Ι
/
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
Содержание SIPROTEC 4 7VK61
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