Technical Data
4.18 Additional Functions
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
328
4.18
Additional Functions
Operational Measured Values
Operational Log
Operational Measured Values for Currents
I
A
;
I
B
;
I
C
; 3
I
0
;
I
1
;
I
2
;
I
Y
in A primary and secondary and in %
I
NOperation
Tolerance
1.5 % of measured value, or 1 % of
I
N
Phase angles of currents
f(
I
A
-
I
B
); f(
I
B
-
I
C
); f(
I
C
-
I
A
) in °
Tolerance
1° at rated current
Operational measured values for voltages
V
A-N
, V
B-N
, V
C-N
; 3V
0
, V
0
, V
1
, V
2
, V
1Ko
in kV primary, in V secondary or in % V
NOp
/v3
Tolerance
1.5 % of measured value, or 0.5 % of IV
Nom
Operational measured values for voltages
V
EN
; in V secondary
Tolerance
1.5 % of measured value, or 0.5 % of V
N
Operational measured values for voltages
V
A-B
, V
B-C
, V
C-A
in kV primary, in V secondary or in % V
NOp
Tolerance
1.5 % of measured value, or 0.5 % of V
N
Phase angle of voltages
f(V
A
-V
B
); f(V
B
-V
C
); f(V
C
-V
A
) in °
Tolerance
1 ° at nominal voltage
Phase angle for voltages and currents
f(V
A
-
I
A
); f(V
B
-
I
B
); f(V
C
-
I
C
) in °
Tolerance
1° at nominal voltage and nominal current
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 · V
N
·
I
N
Tolerance for S
1.5 % of S
N
at
I
/
I
N
and V/V
N
in range 50 % to 120 %
Tolerance for P
2 % of P
N
at
I
/
I
N
and V/V
N
in range 50 % to 120 % and ABS(cos
ϕ
)
in range
≥
0.7
Tolerance for Q
2 % of Q
N
at
I
/
I
N
and V/V
N
in range 50 % to 120 % and ABS(cos
ϕ
) in range
≥
0.7
Operating Measured Value for Power Factor
cos
ϕ
Tolerance
0.02
Counter values for energy
W
p
+, W
q
+; W
p
-; W
q
- (active and reactive energy)
In kWh (MWh or GWh) and
in kVARh (MVARh or GVARh)
Tolerance at nominal frequency
5 % for
I
> 0.5
I
N
, V > 0.5 V
N
and | cos
ϕ
|
≥
0.707
Operating measured values for frequency
f in Hz and % f
N
Range
10 Hz to 75 Hz
Tolerance
20 MHz in range f
N
±
10 % at nominal values
Measured values of the differential protection
I
DIFF3
I
0;
in %
I
Noperation
I
STAB3IO
in
I
/
I
NO
(in grounded systems only)
Thermal Measured Values
Θ
A
/
Θ
TRIP
;
Θ
B
/
Θ
TRIP
;
Θ
C
/
Θ
TRIP
;
Θ
/
Θ
TRIP
related to tripping temperature rise
Remote measured values for currents
I
A
;
I
B
;
I
C
of the remote end in A primary
ϕ
(
I
A
);
ϕ
(
I
B
);
ϕ
(
I
C
), (remote versus local) in °
Remote measured values for voltages
V
A
; V
B
; V
C
of the remote end in kV primary
ϕ
(V
A
);
ϕ
(V
B
);
ϕ
(V
C
), (remote versus local) in °
Capacity
200 records