Siemens SIPROTEC 7SJ62, Руководство пользователя

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Technical Data
4.25 Additional Functions
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
532
4.25 Additional Functions
Operational Measured Values
Currents
I
A
;
I
B
;
I
C
Positive sequence component I
1
Negative sequence component
I
2
I
N
or 3 I 0
in A (kA) primary and in A secondary or in % I
N
Range
tolerance
1)
10 % to 200 % I
Nom
1 % of measured value, or 0.5 %
I
Nom
Voltages (phase-to-ground)
V
A-N
, V
B-N
, V
C-N
Voltages (phase-to-phase)
V
A-B
, V
B-C
, V
C-A
, V
SYN
V
GND
or V
0
Positive sequence componentV
1
Negative sequence componentV
2
in kV primary, in V secondary or in % V
N
Range
tolerance
1)
10 % to 120 % of V
Nom
1 % of measured value or 0.5 % V
Nom
S, apparent power in kVAr (MVAR or GVAR) primary and in % of S
Nom
Range
tolerance
1)
0 % to 120 % S
Nom
1 % of S
Nom
for V/V
Nom
and I / I
Nom
= 50 to 120 %
P, Active power with sign, total and phase-segregated in kW (MW or GW) primary and
in % S
Nom
Range
tolerance
1)
0 % to 120 % S
Nom
1 % of S
Nom
for V/V
Nom
and
I
/
I
Nom
= 50 to 120 % and | cos
ϕ
| = 0.707 to 1
with S
Nom
=
√
3 · V
Nom
· I
Nom
Q, reactive power with sign, total and phase-segregated in kVAr (MVAr or GVAr) primary
and in % S
Nom
Range
tolerance
1)
0 % to 120 % S
Nom
1 % of S
Nom
for V/V
Nom
and
I
/
I
Nom
= 50 to 120 % and | sin
ϕ
| = 0.707 to 1
with S
Nom
=
√
3· V
Nom
· I
Nom
cos
ϕ
, power factor total and phase-segregated
Range
tolerance
1)
–1 to +1
1 % for | cos
ϕ
|
≥
0.707
Frequencies f in Hz
Range
tolerance
1)
f
Nom
±
5 Hz
20 mHz
Temperature overload protection
Θ
/
Θ
Trip
in %.
Range
tolerance
1)
0 % to 400 %
5 % class accuracy acc. to IEC 60255-8
Temperature
restart inhibit
Θ
L
/
Θ
L Trip
in %.
Range
tolerance
1)
0 % to 400 %
5 % class accuracy acc. to IEC 60255-8
Restart threshold
Θ
Restart
/
Θ
R Trip
in %.
Inhibit time T
Reclose
in min
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