Siemens SIPROTEC 7SC805, Руководство пользователя, Страница: 117 / 158

Technical Data
4.2 Additional Functions
SIPROTEC, 7SC805, Manual
C53000-G1140-C380-1, Release date 05.2014
117
Operational Measured Values For Commissioning
1)
for nominal frequency
2)
Display of cos

starting from
I
/
I
Nom
and V/V
Nom
greater than 10 %
Time Allocation
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
Nom
Range
Tolerance
1)
10 % to 150 %
I
Nom
1.5 % of measured value or 1 %
I
Nom
and from 151 % to 200 %
I
Nom
3 % of measured value
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
delta
, V
ph-gnd
, V
x
or V
0
positive sequence component V
1
negative sequence component V
2
in kV primary, in V secondary or in % V
Norm
Range
Tolerance
1)
10 % to 120 % of V
Nom
1.5 % of measured value or 0.5 % V
Nom
S, apparent power in kVAr (MVUAR or GVAR) primary and in % of S
Nom
Range
Tolerance
1)
0 % to 120 % S
Nom
1.5 % 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
2 % of S
Nom
for V/V
Nom
and
I
/
I
Nom
= 50 to 120 % and | cos

| = 0.707 to 1
with S
Nom
=

3 · V
Nom
·
I
Nom
Q, reactive power with sign, total and phase-segregated in kVAr (MVUAr or GVAr)
primary and in % S
Nom
Range
Tolerance
1)
0 % to 120 % S
Nom
2 % of S
Nom
for V/V
Nom
and
I
/
I
Nom
= 50 to 120 % and | sin

| = 0.707 to 1
with S
Nom
=

3· V
Nom
·
I
Nom
cos

, power factor
2)
total and phase-segregated
Range
Tolerance
1)
–1 to +1
2 % for | cos

|

0.707
Angle

A
;

B
;

C
, in degrees ( ° )
Range
Tolerance
1)
0 to 180°
0.5°
Frequency f in Hz
Range
Tolerance
1)
f
Nom

5 Hz
20 mHz
Resolution for operational indications 1 ms
Maximum time deviation (internal clock) 0,01 %
Buffer battery Lithium battery type CR2032, 3 V, 230 mAh
indication „Fail Battery“ if the battery is not charged sufficiently