FN.Q5 – A Transformer has primary windings as Np = 720 and secondary windings as Ns = 144. Its secondaryvoltage is Vs = 42V and output power of the transformer is PN= 2750W.The value of loses powers are Pcu = 52,5W and Pre = 39W. The resistance of loads are RLI = 1,660 andR12 = 1,950. (Pcu and PFE will be considered to be approximately the same in different load values.) Determinethe following values in the circuit:PrimarywindingSecondarywindingN, turnsNg turnsMagneticFlux,PrimarycurrentISLSecondary4 currentPrimaryvoltageISL1(ISL2SecondaryvoltageRL1R12TransformerCore(a) the primary voltage VP,(b) the secondary load current Isı, if the transformer is rated at RLI and R12,(c) the primary load current IpL,(d) the load resistance R13 when the transformer is fully loaded by third in parallel,(e) efficiency n (fully loaded)

(a) In the question following data is given Np=720 Ns=144 Vs=42 volt Vp can be found by following…

FN.Q5 – A Transformer has primary windings as Np = 720 and secondary windings as Ns = 144. Its secondary voltage is Vs = 42V and output power of the transformer is Py= 2750W. The value of loses powers are Pcu = 52,5W and PrE = 39W. The resistance of loads are RL = 1,660 and RL2 = 1,950. (Pcu and PFE will be considered to be approximately the same in different load values.) Determine the following values in the circuit:

FN.Q5 – A Transformer has primary windings as Np = 720 and secondary windings as Ns = 144. Its secondary voltage is Vs = 42V and output power of the transformer is Py= 2750W. The value of loses powers are Pcu = 52,5W and PrE = 39W. The resistance of loads are RL = 1,660 and RL2 = 1,950. (Pcu and PFE will be considered to be approximately the same in different load values.) Determine the following values in the circuit:

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.28MCQ

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