Engineering
Advanced

Electrical Power (3-phase)

Real power in a balanced three-phase system.

Formula

P=3 VIcos⁡ϕP = \sqrt{3}\,V I \cos\phi

Variables

VLine voltage
ILine current
\cos\phiPower factor

Example

Industrial power systems

Did You Know?

Electrical power delivered equals voltage times current, the basic budget for sizing any circuit.

electrical