Siemens 7KG85 Series, Product Information, Page: 72 / 88

28 SICAM P850/P855 7KG85xx, Product Information
E50417-B1050-C482-A3, Edition 03.2013
1)
Tolerance limits apply to the entire rated operating
range.
2)
Measurement from 2 % of the rated apparent
power value onwards in the selected measuring
range (see reference conditions Chapter 19.4)
3)
The accuracy of the frequency measurement dif-
fers according to device type and voltage and
ranges between 10 mHz and 40 mHz. The
SICAM P850/P855 device manual provides
detailed information.
Recording in SICAM P855
The device manual provides a detailed description of
recording measurands and events.
Active energy WP supply a, b, c,
Σ
±0.5 %
Reactive energy WQ ind. a, b, c,
Σ
±0.5 %
Reactive energy WQ cap. a, b, c,
Σ
±0.5 %
Apparent energy WS a, b, c,
Σ
±0.5 %
THD voltage THD V
ph
a-N, b-N, c-N ±0.5 %
THD current THD I
ph
a, b, c ±0.5 %
Harmonics voltage
H_x V
ph
a-N, b-N, c-N
±5 % V
m
at
V
m
≥
3 % V
rat.;
±0.15 % V
rated
V
m
< 3 % V
rated
Harmonics current
H_x I
ph
a, b, c
±5 % I
m
at
I
m
≥
10 % I
rated;
±0.5 % I
rated
at
I
m
< 10 % I
rated
Measurands Circuit Tolerance
limits
1)