Pag. 57 di 152
8.3 3P-b
4W
Balanced Three phase with neutral
N
1
3
N
1
2
3
I
1
U
1N
I
1N
I
3N
I
2N
2
Current inputs
Voltage inputs
8.3.1 Available Reading:
1 Frequency:
Voltage frequency
N
V
1
:
f
2 RMS
Amplitude:
Star Voltage:
N
U
1
Phase Current:
1
I
3
Total harmonic Distortion (in percentage):
Star Voltage THD:
N
U
THD
1
Phase Current THD:
1
I
THD
4
Power (on the short period):
Phase Active Power:
1
P
3 Phase Active Power:
Σ
P
Phase Reactive Power:
1
Q
3 Phase Reactive Power:
Σ
Q
Phase apparent Powers:
1
S
3 Phase Apparent Power:
Σ
S
5 Power
Factor:
Phase Power Factor:
1
λ
3 Phase 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
