CD Automation CD3000 E-3PH - CD3000 E Sizing; Sizing Calculations for Load Connections

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
11
4 CD3000E Sizing
4.1.1 Star wiring with resistive load
V
P
I
731,
=
V = Nominal voltage phase to phase
I = Nominal current of the load
P = Nominal power of the load
4.1.2 Star wiring with inductive load
φ cos, V
P
I
731
=
V = Nominal voltage phase to phase
I = Nominal current of the load
P = Nominal power of the load
4.1.3 Delta wiring with resistive load
V
P
I
731,
=
V = Nominal voltage phase to phase
I = Nominal current of the load
P = Nominal power of the load
4.1.4 Delta wiring with inductive load
φ cos, V
P
I
731
=
V = Nominal voltage phase to phase
I = Nominal current of the load
P = Nominal power of the load
4.1.5 Open Delta wiring with resistive load
V
P
I
3
=
V = Nominal voltage phase to phase
I = Nominal current of the load
P = Nominal power of the load