Display Of Measurands - Siemens SICAM MMU 7KG9663 Device Manual

4.2

Display of Measurands

Table 4-4 Measurands
Measurands
Voltage V
ph-ph
(delta)
Acc. to parameterization
Voltage V
ph-N
(star)
Acc. to parameterization
Voltage harmonics HV
ph
Voltage unbalance V
unbal
Angle between the phase-
ground voltages a-b
ϕab
Angle between the phase-
ground voltages a-c
ϕac
Current I
Acc. to parameterization
Current harmonics HI
ph
Current unbalance I
unbal
Active power P
+ demand, - supply
Reactive power Q
+ inductive, - capacitive
Apparent power S
3)
Power factor PF
Active power factor cos ϕ
3)
Phase angle ϕ
Frequency f
Active energy WP demand
SICAM MMU 7KG9663, Device Manual
E50417-H1040-C514-A3, Edition 01.2016
Unit
V AC 110 V
AC 190 V
AC 400 V
AC 690 V
V AC 63.5 V
AC 110 V
AC 230 V
AC 400 V
V 2nd to 21st Harmonics
% -
Degree -
Degree -
A AC 1 A
AC 5 A
A 2nd to 21st Harmonics
% -
W -
var -
VA -
- -
3)
- -
Degree -
Hz 50 Hz and 60 Hz
Wh -
Rated Value
(max. AC 600 V for UL)
(max. AC 347 V for UL)
4 Measurands and Characteristics
4.2 Display of Measurands
Operat. Measurem. Uncertainty
acc. to acc. to
1)
IEC 61557-12 IEC 60688
±0.2 % ±0.1 %
±0.2 % ±0.1 %
±0.5 % ±0.5 %
±0.2 % ±0.2 %
±2° ±1°
±2° ±1°
±0.2 % ±0.1 %
±1 % ±1 %
±0.2 % ±0.2 %
±0.5 % ±0.2 %
0,2S acc. to
IEC 62053-21
±0.5 % ±0.2 %
±0.5 % ±0.2 %
±1 % ±0.5 %
±1 % ±0.5 %
±2° ±1°
See Table 4-5 See Table 4-5
±0.5 % ±0.5 %
2)
35