Three single-phase transformers are connected to form a wye-delta bank. Once the voltage across each of the load resistors is known, the current flow through the phase of the load can be computed using the formula ____.
A) IP(Load) = R / EP(Load)
B) IP(Load) = 1.732 / EL(Load)
C) EP(Load) = IP(Load) / R
D) IP(Load) = EP(Load) / R

Question

Quizplus · Accepted Answer

The formula for computing the current flow through the phase of the load is IP(Load) = EP(Load) / R, where IP(Load) is the current flow through the phase of the load, EP(Load) is the voltage across the load resistor, and R is the resistance of the load. Therefore, choice D is the correct answer.

Three Single-Phase Transformers Are Connected to Form a Wye-Delta Bank