Figure Q1 shows a transformer core that has the primary winding (Np) of 500 second winding (N,) of 250 turns. The absolute permeability (uo) is 47× Ignore the leakage flux. Draw the equivalent electrical circuit of Figure Q1. Core Primary Winding Secondary Winding 20 cm N,=500 turns 40 cm N 250 turns 40 cm 20 cm 20 cm 20 cm Depth of Core=30 cm Leakage Flux Main Flux Figure Q1: Transformer core AAAAAAAA

Figure Q1 shows a transformer core that has the primary winding (Np) of 500 second winding (N,) of 250 turns. The absolute permeability (uo) is 47× Ignore the leakage flux. Draw the equivalent electrical circuit of Figure Q1. Core Primary Winding Secondary Winding 20 cm N,=500 turns 40 cm N 250 turns 40 cm 20 cm 20 cm 20 cm Depth of Core=30 cm Leakage Flux Main Flux Figure Q1: Transformer core AAAAAAAA

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Consider the following ideal transformer circuit in figure 1.
A core type transformer operates on 415 / 230 volt, 55 Hz supply. If the cross-sectional area of the core is 30 cm? and maximum flux density is 1.2 Wb/m2 , then the number of turns in primary winding will be?
A 1100/170V, 50 HZ, 1-phase transformer with cross sectional area of the core is 30 cm? and maximum flux density is 1.5 wb/m2. The number of turns required on the LT side will be
1. A 100 kVA, 3300/400 V, 50 Hz single phase transformer has 110 turns on the secondary. Determine: i. The number of turns on the primary. ii. The maximum value of the flux in the core. iii. The approximate value of primary and secondary full load currents.
4. The portion of the flux that goes through one of the transformer coils but not the other one is called. A) Average flux B) Mutual flux D) Leakage flux C) Total flux 5. The fundamental component of the magnetization current ------- the voltage applied to the core by ------ 90°: A) Lags, 45° B) Leads, 45°. D). Leads, 90°. C) Lags, 90°. 6. The ----- are resistive heating losses in the core of the transformer. A) Hysteresis losses. B) Copper losses. C) Leakage flux losses. D) Eddy current losses. 7. The total rotational losses of an induction motor are a combination of: A) Friction losses B) Windage losses. C) Core losses. D) Stray losses. 8. Induction motors are now the preferred A) absence of brushes. choice for industrial motors due to B) Small size. C) Less control requirements. D) rugged construction. 9. For an induction motor, if the synchronous speed is 1800 r/m, and the rotor speed 180rad/sec, then the slip will be: A) 5.5 % C) 6% B) 4.5% D) 4% 10. The lower the speed of an…
A 5750 V/ 260 V, 50HZ single-phase transformer is to have an approximate e.m.f. per turn of 35 V and operate with a maximum value of flux density of 1 T. Calculate (a) the number of primary turns (b) number of secondary turns (c) maximum value of flux and (d) the cross-sectional area of the core. Number of turns in Primary Number of turns in Secondary maximum value of flux Area of cross section
The voltage per winding of the 220V/12V, 50 Hz single phase core transformer is 1V. If the maximum flux density in the core is 1.5 T, which of the following is the cross-sectional area of the core in cm2 ?
A 3.5 kV / 120V, 50 Hz, single phase transformer is to have an approximate e.m.f per turn of 33V and operate with a maximum flux density of 1.35T. Determine, (a) The number of primary and secondary turns. (b) The cross sectional area of the core.
A 3-phase, 50 Hz, oil cooled core type transformer has the following dimensions: distance between core centres 0.4 m, height of window 0.48 m, dia of circumscribing circle 0.28 m. The flux density in the core is 3.00 Wb/m² and the current density in the conductors is 5.0 N/mm². Estimate the KVA rating. Assume a window space factor of 0.4 and a core area factor= 0.56 the core is 2 stepped.
A single-phase 626 V/ 1932 V, 54 Hz transformer has a maximum core flux density of 2 Tesla and an effective core cross-sectional area of 39 cm² Determine the number of primary turns.