PPT Slide
Section 11.2: Three-Phase Connections cont.
Balanced-Wye Voltage and Current Magnitude Relationships
|Il|= line current magnitude = phase current magnitude = |Iph|
|Vll| = Ö3|Vln| (= Ö3|Vph|)
Three-Phase Apparent Power
|S3ph| = 3|Sph| = 3|Vph||Iph| = 3|Vln||Il| = 3(|Vll|/Ö3)|Il|= Ö3|Vll||Il|