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4 Technical Data
4.22
Auxiliary Functions
Measured Values
Operational measured values for currents
Tolerance
Operational measured values for voltages
Tolerance
Operational measured values for voltages
Tolerance
Operational measured values for voltages
Tolerance
Operational measured values of impedances
Operational measured values for power
Tolerance
Operating measured value for power factor
Tolerance
Counter values for energy
1)
Tolerance
Operating measured values for frequency
Range
Tolerance
Operational measured values for synchro check
Long-term mean value
Minimum and maximum values
484
I
; I
; I
; 3I
; I
; I
; I
; I
L1
L2
L3
0
1
2
Y
P
in A primary and secondary and in % I
1 % of measured value, or 0.5 % of I
U
, U
, U
; U
L1-E
L2-E
L3-E
X
in kV primary, in V secondary or in % of U
0.5 % of measured value, or 0.5 % of U
3U
0
in kV primary, in V secondary or in % of U
0.5 % of measured value, or 0.5 % of U
U
, U
, U
, U
, U
L1–L2
L2–L3
L3-L1
X
in kV primary, in V secondary or in % of U
0.5 % of measured value, or 0.5 % of U
R
, R
, R
, R
L1-L2
L2-L3
L3-L1
L1-E
X
, X
, X
, X
, X
L1-L2
L2-L3
L3-L1
L1-E
in Ω primary and secondary
S; P; Q (apparent, active and reactive power)
in MVA; MW; Mvar primary and % S
(operational nominal power) = √3 · U
1 % of S
at I/I
and U/U
N
N
N
1 % of P
at I/I
and U/U
N
N
N
from 0.7 to 1
1 % of Q
at I/I
and U/U
N
N
N
from 0.7 to 1
cos ϕ
0,02
Wp, Wq (real and reactive energy)
In kWh (MWh or GWh) and
In kVARh (MVARh or GVARh)
5 % for I > 0.5 I
, U > 0.5 U
N
f in Hz and % f
N
94 % to 106 % of f
N
10 mHz and 0.2 %
U
, U
, U
line
sync
diff
f
, f
, f
in Hz;
line
sync
diff
ϕ
in °
diff
I
dmd; I
dmd; I
dmd; I
L1
L2
L3
1d
Pdmd; Pdmd Forw, Pdmd Rev;
Qdmd; Qdmd Forw; Qdmd Rev;
Sdmd
In primary values
I
; I
; I
; I
; I
d; I
d; I
L1
L2
L3
1
L1
L2
L3
U
; U
; U
; U
;
L1-E
L2-E
L3-E
1
U
; U
; U
;3U
;
L1-L2
L2-L3
L3-L1
0
P Forw; P Rev; Q Forw; Q Rev; S; Pd; Qd; Sd;
cos ϕ Pos; cos ϕ Neg; f
In primary values
N
N
/√3
N
N
/√3
N
N
; U
; U
1
2
1Ko
N
N
, R
, R
,
L2-E
L3-E
, X
L2-E
L3-E
N
· I
N
N
from 50 to 120%
from 50 to 120% and ABS (cosϕ)
from 50 to 120% and ABS (cosϕ)
and | cosϕ | ≥ 0.707
N
md;
d; I
d;
1
C53000-G1176-C155-3
7SA522 Manual
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