Answer to Question #204408 in Electrical Engineering for Mck

Question #204408

A single phase 100 VA, 120/24 V transformer has the following results from the open-circuit and short-circuit tests.


Open circuit. Short Circuit


Voltage 120V 6V


Current. 0.1A 4.9A


Power 4.5W 16W


(a) Determine the circuit parameters (Rc, Xm, Req, Xeq) referred to the Higho Voltage side.


(b) Determine the efficiency of the transformer at full load with 0.8 power factora lagging.


1
Expert's answer
2021-06-09T07:06:02-0400

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