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Technical Data
4.9 Auxiliary Functions
4.9
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 for Powers
Tolerance
Operating Measured Value for Power Factor
Tolerance
Meter Values for Energy
1)
Tolerance
Operating Measured Values for Frequency
Range
Tolerance
Operational measured values for synchronism check U
1)
at nominal frequency
Telegram
Capacity
Fault Logging
Capacity
260
I
; I
; I
; 3I
; I
; I
L1
L2
L3
0
1
2
in A primary and secondary and in % I
0.5 % 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 % U
0.5 % of measured value or 0.5 % of U
3U
0
in kV primary, in V secondary or in % 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 % U
0.5 % of measured value or 0.5 % of U
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
in the range from 50 to 120%
1 % of P
at I/I
and U/U
N
N
in the range from 50 to 120% and
ABS(cos ϕ) in the range from 0.7 to 1
1 % of Q
at I/I
and U/U
N
N
in the range from 50 to 120% and
ABS(cos ϕ) in the range 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
in kV primary
sy1
sy2
diff
f
; f
; f
in Hz;
sy1
sy2
diff
ϕ
in °
diff
200 records
8 faults with a total of max. 600 messages
C53000-G1176-C159-3, Release date 05.2009
N
N
/√3
N
N
/√3
N
N
; U
1
2
N
N
N
· I
N
N
N
N
N
and | cosϕ | ≥ 0.707
N
SIPROTEC, 7VK61, Manual
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