Siemens SIPROTEC 7SD80 - Additional Functions

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
; 3I
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
Tolera nce 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 | cosϕ | ≥ 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
DIFF3I0;
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