Pag. 60 di 152
8.4 3P-b 3W
Balanced three Phase without neutral 3 wires
1
1
I
1
3
2
I
3
U
12
3
2
Voltage inputs
Current inputs
I
12
I
23
I
31
8.4.1 Available Reading:
1 Frequency:
Voltage frequency
23
V
:
f
2 RMS
amplitude:
Phase-phase Voltages:
12
U
Phase Current:
3
I
3
Total harmonic distortion (in percentage):
Phase to phase Voltages THD:
12
U
THD
Phase Current THD:
3
I
THD
4
Power (on short period):
3 Phase Active Power:
Σ
P
Total reactive Power:
Σ
Q
Total apparent Power:
Σ
S
5 Power
Factor:
Total Power Factor:
Σ
λ
6 Energies:
Active Energy (import):
+
a
E
Active Energy (export):
−
a
E
Inductive reactive Energy with import Active Power:
+
ind
r
E
Capacitive reactive Energy with import Active Power :
+
cap
r
E
Inductive reactive Energy with export Active Power:
−
ind
r
E
Capacitive reactive Energy with export Active Power:
−
cap
r
E
Apparent Energy with import Active Power:
+
s
E
Apparent Energy with export Active Power:
−
s
E
