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Which of the following ration of IR used to determine the value PI of Large Power Transformer?
IR at 10 min to IR at 1 min
IR at 60 sec to IR at 15 sec
IR at 1 min to IR at 10 min
IR at 15 sec to IR at 60 sec
IR at 10 min to IR at 1 min
Quick Summary: Practice and solve "Which of the following ration of IR used to determine the value PI of Large Power Transformer?..." for Electrical - Economics for Engineers. The correct answer is Option A: IR at 10 min to IR at 1 min. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **