Siemens Siprotec 7UM611, Manual

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4 Technical Data
338
7UM61 Manual
C53000-G1176-C127-3
4.24 Auxiliary Functions
Operational Measured Values
Operational Measured Values for Currents I
L1
, I
L2
, I
L3
in A (kA) primary and in A secondary or in % of I
N
3
I
0
in A (kA) primary and in A secondary
Range 10 % to 200 % I
N
Tolerance 0.2 % of measured value, or
±
10 mA
±
1 digit
Operational Measured Values for Currents I
Ns
Range 0 mA to 1600 mA
Tolerance 0.2 % of measured value, or
±
10 mA
±
1 digit
Positive sequence I
1
in A (kA) primary and in A
secondary or in %
I
N
Negative sequence I
2
in A (kA) primary and in A
secondary or in % I
N
Operational Measured Values for Voltages
(Phase–Ground) U
L1
, U
L2
, U
L3
in kV primary, in V secondary or in % of U
N
U
L1–L2
, U
L2–L3
, U
L3–L1
in kV primary, in V secondary or in % of U
N
U
E
or 3U
0
in kV primary, in V secondary or in % of U
N
Positive sequence component U1 and negative
sequence component U
2
in kV primary, in V secondary or in % of U
N
Range 10 % to 120 % of U
N
Tolerance 0.2 % of measured value, or
±
0.2 mA
±
1 digit
Operating Measured Values for Impedanc-
es R, X
in
Ω
primary and secondary
Tolerance 1 %
Operational Measured Values for Powers S, apparent power
in kVAr (MVAr or GVAr) primary and in % of S
N
P, active power (with sign)
in kVAr (MVAr or GVAr) primary and in % of S
N
Q, reactive power (with sign)
in kVAr (MVAr or GVAr) primary and in % of S
N
Range 0 % to 120 % S
N
Tolerance 1 %
±
0,25 % S
N
with SN =
√
3 · U
N
· I
N
Operating Measured Value for Power
Factor cos
ϕ
Range -1 to +1
Tolerance 1 %
±
1 Digit
Power Angle
ϕ
Range –90
°
to +90
°
Tolerance 0.1
°
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