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

question 18

Multiple Choice

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

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