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Technical Data
4.22 Additional Functions
4.22
Additional Functions
Operational measured values
Currents
; I
; I
I
A
B
C
Positive Sequence Component I
Negative Sequence Component I
I
or 3I0
N
Range
Tolerance
Phase-to-ground voltages
V
, V
, V
A-N
B-N
Phase-to-phase voltages
V
, V
, V
A-B
B-C
C-A
V
, V
, V
N
ph-gnd
Positive sequence component V
Negative sequence component V
Range
Tolerance
S, apparent power
Range
Tolerance
P, active power
Range
Tolerance
Q, reactive power
Range
Tolerance
cos ϕ, power factor
Range
Tolerance
Angle ϕ
; ϕ
A
B
Range
Tolerance
Frequency f
Range
Tolerance
Temperature overload protection
Θ /Θ
Trip
Range
Tolerance
Currents of sensitive ground fault detection
(total, active, and reactive current)
, I
; I
I
Ns
Ns real
Ns reactive
408
1
2
1)
C-N
or V
x
0
1
2
1)
1)
1)
1)
2)
1)
; ϕ
,
C
1)
1)
1)
in A (kA) primary and in A secondary or in % of I
10 % to 150 % I
Nom
1.5 % of measured value or 1 % I
and from 151 % to 200 % I
in kV primary, in V secondary or in % of V
10 % to 120 % of V
Nom
1.5 % of measured value, or 0.5 % of V
in kVAr (MVAR or GVAR) primary and in % of S
0 % to 120 % S
Nom
1.5 % of S
Nom
For V/V
and I/I
= 50 to 120%
Nom
Nom
with sign, total and phase-segregated in kW (MW or GW)
primary and in % S
Nom
0 % to 120 % S
Nom
2 % of S
Nom
= 50 to 120% and | cos ϕ | = 0.707 to 1
For V/V
and I/I
N
Nom
With S
=√3 · V
· I
Nom
Nom
Nom
with sign, total and phase-segregated in kVAr (MVAr or GVAr)
primary and in % S
Nom
0 % to 120 % S
Nom
2 % of S
Nom
= 50 to 120% and | sin ϕ | = 0.707 to 1
For V/V
and I/I
Nom
Nom
With S
=√3 · V
· I
Nom
Nom
Nom
total and phase-segregated
–1 to +1
2 % for | cos ϕ | ≥ 0.707
in degrees ( ° )
0 to 180°
0,5°
in Hz
± 5 Hz
f
Nom
20 mHz
in %.
0 % to 400 %
5% class accuracy per IEC 60255-8
in A (kA) primary and in mA secondary
E50417-G1140-C344-A5, Release date 11.2012
Nom
Nom
3 % of measured value
Nom
Nom
Nom
Nom
SIPROTEC, 7SK80, Manual
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