Siemens SICAM MMU 7KG9663 Produktinformation Seite 70

Measurands
Reactive power Q
+ inductive, - capacitive
Apparent power S
Power factor PF
Active power factor cos ϕ
Phase angle ϕ
Frequency f
Active energy WP demand
Active energy WP supply
Reactive energy WQ inductive a, b, c, Σ
Reactive energy WQ capacitive a, b, c, Σ
Apparent energy WS
1)
Tolerance limits referred to the rated value under
reference conditions (see Chapter 18.4)
2)
Mean value of all conductor circuits
3)
Measurement from 2 % of the rated apparent
power value onwards in the selected measuring
range (see reference conditions Chapter 18.4)
4)
The accuracy of the frequency measurement dif-
fers according to device type and voltage and
ranges between 10 mHz and 40 mHz. The
SICAM MMU 7KG9663 device manual provides
detailed information.
26
3)
3)
3)
SICAM MMU 7KG9663, Product Information
Circuit
a, b, c, Σ
a, b, c, Σ
a, b, c, Σ
a, b, c, Σ
a, b, c, Σ
a-N
a, b, c, Σ
a, b, c, Σ
a, b, c, Σ
E50417-B1050-C514-A2, Edition 04.2013
Tolerance
1)
limits
±0.5 %
±0.5 %
±1 %
±1 %
±2°
4)
see
±0.5 %
±0.5 %
±0.5 %
±0.5 %
±0.5 %