4 Technical Data
574
7SD5 Manual
C53000-G1176-C169-1
4.24 Additional Functions
Measured Values
Operational measured values for currents
I
L1
;
I
L2
;
I
L3
; 3
I
0
;
I
1
;
I
2
;
I
Y
;
I
P;
I
EE
in A primary and secondary and in %
I
N
Tolerance
0.5 % of measured value or 0.5 % of
I
N
Phase angles of currents
ϕ
(
I
L1
-
I
L2
);
ϕ
(
I
L2
-
I
L3
);
ϕ
(
I
L3
-
I
L1
) in
°
Tolerance
1
°
at nominal current
Operational measured values for voltages
U
L1-E
, U
L2-E
, U
L3-E
; 3U
0
; U
0
; U
1
; U
2
; U
1Ko
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
EN
; U
X
in V secondary
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
in kV primary, in V secondary or in % U
N
Tolerance
0.5 % of measured value or 0.5 % of U
N
Phase angle of voltages
ϕ
(U
L1
-U
L2
);
ϕ
(U
L2
-U
L3
);
ϕ
(U
L3
-U
L1
) in
°
Tolerance
1
°
at nominal voltage
Phase angle for voltages and currents
ϕ
(U
L1
-
I
L1
);
ϕ
(U
L2
-
I
L2
);
ϕ
(U
L3
-
I
L3
) in
°
Tolerance
1
°
at nominal voltage and nominal current
Operational measured values of impedances
R
L1-L2
, R
L2-L3
, R
L3-L1
, R
L1-E
, R
L2-E
, R
L3-E
,
X
L1-L2
, X
L2-L3
, X
L3-L1
, X
L1-E
, X
L2-E
, X
L3-E
in
Ω
primary and secondary
Operational measured values for power
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 for S
Tolerance for P
Tolerance for Q
1 % of S
N
at
I
/
I
N
and U/U
N
in range 50 to 120 %
1 % of S
N
at
I
/
I
N
and U/U
N
in the range from 50 to 120 % and
ABS(cos
ϕ
) in the range
≥
0,7
1 % of S
N
at
I
/
I
N
and U/U
N
in the range from 50 to 120 % and
ABS(cos
ϕ
) in the 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
, U > 0.5 U
N
and | cos
ϕ
|
≥
0.707
Operational 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
DIFFL1
;
I
DIFFL2
;
I
DIFFL3
;
I
RESTL1
;
I
RESTL2
;
I
RESTL3
;
I
CL1
;
I
CL2
;
I
CL3
;
I
DIFF3
I
0
in %
I
NOperation
Thermal measured values
Θ
L1/
Θ
TRIP
;
Θ
L2
/
Θ
TRIP
;
Θ
L3
/
Θ
TRIP
;
Θ
/
Θ
TRIP
related to tripping temperature rise
Operational measured values of synchro check
U
line
; U
sync
; U
diff
in kV primary
f
line
, f
sync
, f
diff
in Hz;
ϕ
diff
in
°
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Содержание siprotec 7SD5
Страница 2: ...2 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 4: ...4 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 18: ...Contents 18 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 34: ...1 Introduction 34 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 444: ...2 Functions 444 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 580: ...4 Technical Data 580 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 682: ...Literature 682 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 698: ...Index 698 7SD5 Manual C53000 G1176 C169 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...