For an iron core transformer shown in Figure, the net cross sectional area of the core is 100cm2. If the primary winding is connected to a 230V, 50 Hz supply, determine (i) the turns ratio of the transformer (ii) the maximum value of flux density in the core (iii)the induced voltage in the secondary winding (iv)the primary and secondary current The induced voltage in the primary winding Ep = 4.440m f Np Np= 75 turns Ns = 200 turns %3D 230V, SOHZ R 10KO Click Save and Submit to saue and submit. Click Save All Ansuers to save all answers ellee

For an iron core transformer shown in Figure, the net cross sectional area of the core is 100cm2. If the primary winding is connected to a 230V, 50 Hz supply, determine (i) the turns ratio of the transformer (ii) the maximum value of flux density in the core (iii)the induced voltage in the secondary winding (iv)the primary and secondary current The induced voltage in the primary winding Ep = 4.440m f Np Np= 75 turns Ns = 200 turns %3D 230V, SOHZ R 10KO Click Save and Submit to saue and submit. Click Save All Ansuers to save all answers ellee

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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Similar questions

The transformer of Problem 3.16 is supplying a rated load of 50 kVA at a rated secondary voltage of 240 V and at 0.8 posr factor lagging. Neglect the transformer exciting current. (a) Determine the input terminal voltage of the transformer on the high-voltage side. (b) Sketch the corresponding phasor diagram. (c) If the transformer is used as a step-down transformer at the load end of a feeder whose impedance is 0.5+j2.0, find the voltage VS and the power factor at the sending end of the feeder.
For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power input of 65 kW and a current of 30 A. Compute the values for GcandBm in siemens referred to the high-voltage winding. Compute the efficiency of the transformer for a load of 10 MW at 0.8 p.f. lagging at rated voltage.
Consider an ideal transformer with N1=3000andN2=1000 turns. Let winding 1 be connected to a source whose voltage is e1(t)=100(1| t |)volts for 1t1ande1(t)=0 for | t |1 second. A2- farad capacitor is connected across winding 2. Sketch e1(t),e2(t),i1(t),andi2(t) versus time t.
A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when operated at rated load, 0.8 power factor lagging. This transformer is to be utilized as a 1440/1200-V step-down autotransformer in a power distribution system. (a) Find the permissible kVA rating of the autotransformer if the winding currents and voltages are not to exceed the ratings as a two-winding transformer. Assume an ideal transformer. (b) Determine the efficiency of the autotransformer with the kVA loading of part (a) and 0.8 power factor leading.
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