Technical Data
4.9 Auxiliary Functions
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
260
4.9
Auxiliary Functions
Measured Values
1)
at nominal frequency
Telegram
Fault Logging
Operational Measured Values for Currents
I
L1
;
I
L2
;
I
L3
; 3
I
0
;
I
1
;
I
2
in A primary and secondary and in %
I
N
Tolerance
0.5 % of measured value, or 0.5 % of
I
N
Operational measured values for voltages
U
L1-E
, U
L2-E
, U
L3-E
; U
X
in kV primary, in V secondary or in % U
N
/
√
3
Tolerance
0.5 % of measured value or 0.5 % of U
N
Operational measured values for voltages
3U
0
in kV primary, in V secondary or in % U
N
/
√
3
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
X
, U
1
; U
2
in kV primary, in V secondary or in % U
N
Tolerance
0.5 % of measured value or 0.5 % of U
N
Operational Measured Values for Powers
S; P; Q (apparent, active and reactive power)
in MVA; MW; Mvar primary and % S
N
(operational nominal power) =
√
3 · U
N
·
I
N
Tolerance
1 % of S
N
at
I
/
I
N
and U/U
N
in the range from 50 to 120%
1 % of P
N
at
I
/
I
N
and U/U
N
in the range from 50 to 120% and
ABS(cos
ϕ
) in the range from 0.7 to 1
1 % of Q
N
at
I
/
I
N
and U/U
N
in the range from 50 to 120% and
ABS(cos
ϕ
) in the range from 0.7 to 1
Operating Measured Value for Power Factor
cos
ϕ
Tolerance
0,02
Meter Values for Energy
Wp, Wq (real and reactive energy)
in kWh (MWh or GWh) and
in kVARh (MVARh or GVARh)
Tolerance
5 % for
I
> 0.5
I
N
, U > 0.5 U
N
and | cos
ϕ
|
≥
0.707
Operating Measured Values for Frequency
f in Hz and % f
N
Range
94 % to 106 % of f
N
Tolerance
10 mHz and 0.2 %
Operational measured values for synchronism check
U
sy1
; U
sy2
; U
diff
in kV primary
f
sy1
; f
sy2
; f
diff
in Hz;
ϕ
diff
in °
Capacity
200 records
Capacity
8 faults with a total of max. 600 messages
Summary of Contents for Siprotec 7VK61
Page 8: ...Preface SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 8 ...
Page 14: ...Contents SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 14 ...
Page 316: ...Literature SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 316 ...
Page 328: ...Glossary SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 328 ...