In three-phase transformer connections, the primary leads are labeled with the letter _____ and the secondary leads are labeled with the letter _____.
A) X; H
B) H; X
C) L; X
D) X; L

Question

Quizplus · Accepted Answer

In three-phase transformer connections, the primary leads are typically labeled with the letter "H" (e.g., H1, H2, H3), and the secondary leads are labeled with the letter "X" (e.g., X1, X2, X3).

In Three-Phase Transformer Connections, the Primary Leads Are Labeled with the Letter