Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 13, Problem 34E
(a)
To determine
Draw the equivalent
(b)
To determine
Verify the obtained equivalent
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For the following question, you must draw a transformer circuit. A 480/2400-Vrms step-up ideal transformer delivers 50kW to a resistive load. Calculate:
a) the turns ratiob) primary currentc) secondary currentd) apparent power in the primary and in secondary
2- When the frequency of the voltage across of a (50HZ) power transformer increased by 10% of
the rated value, the no-load current:
a) Increased.
b) Decreased.
c) Remains the same.
3- The self-inductance of an iron-cored coil is a function of:
a) The geometry of the coil only.
b) The current passing through it only.
c) The frequency of the applied voltage only.
d) All of the above factors.
4- The most effective factor on the value of the percentage impedance drop of a transformer is:
a) The geometry of the coil
2- When the frequency of the voltage across of a (50HZ) power transformer increased by 10% of
the rated value, the no-load current:
a) Increased.
b) Decreased.
c) Remains the same.
3- The self-inductance of an iron-cored coil is a function of:
a) The geometry of the coil only.
b) The current passing through it only.
c) The frequency of the applied voltage only.
d) All of the above factors.
Chapter 13 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 13.1 - Assuming M = 10 H, coil L2 is open-circuited, and...Ch. 13.1 - For the circuit of Fig. 13.9, write appropriate...Ch. 13.1 - For the circuit of Fig. 13.11, write an...Ch. 13.2 - Let is = 2 cos 10t A in the circuit of Fig. 13.14,...Ch. 13.3 - Element values for a certain linear transformer...Ch. 13.3 - (a) If the two networks shown in Fig. 13.20 are...Ch. 13.3 - If the networks in Fig. 13.23 are equivalent,...Ch. 13.4 - Prob. 8PCh. 13.4 - Let N1 = 1000 turns and N2 = 5000 turns in the...Ch. 13 - Prob. 1E
Ch. 13 - With respect to Fig. 13.36, assume L1 = 500 mH, L2...Ch. 13 - The circuit in Fig. 13.36 has a sinusoidal input...Ch. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - The circuit in Fig. 13.38 has a sinusoidal input...Ch. 13 - The physical construction of three pairs of...Ch. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Calculate v1 and v2 if i1 = 5 sin 40t mA and i2 =...Ch. 13 - Prob. 11ECh. 13 - For the circuit of Fig. 13.41, calculate I1, I2,...Ch. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - In the circuit of Fig. 13.43, M is reduced by an...Ch. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Note that there is no mutual coupling between the...Ch. 13 - Prob. 21ECh. 13 - (a) Find Zin(j) for the network of Fig 13.50. (b)...Ch. 13 - For the coupled coils of Fig. 13.51, L1 = L2 = 10...Ch. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Consider the circuit represented in Fig. 13.53....Ch. 13 - Compute v1, v2, and the average power delivered to...Ch. 13 - Assume the following values for the circuit...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Prob. 32ECh. 13 - Prob. 33ECh. 13 - Prob. 34ECh. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - FIGURE 13.60 For the circuit of Fig. 13.60, redraw...Ch. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Calculate the average power delivered to the 400 m...Ch. 13 - Prob. 42ECh. 13 - Calculate the average power delivered to each...Ch. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - A transformer whose nameplate reads 2300/230 V, 25...Ch. 13 - Prob. 52ECh. 13 - As the lead singer in the local rock band, you...Ch. 13 - Obtain an expression for V2/Vs in the circuit of...Ch. 13 - Prob. 55E
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- Q.1. A power suppply having 220 V AC input and two fixed outputs as 10 V DC and 20 V DC is requested from you. For this purpose, a transformer with 220 V AC input / 15 V AC output, some capacitors, some silicon diodes, and zener diodes are presented.a) Design your power supply and point out DC voltage outputs b) Explain the operation of the network and all the components used in the design .c) Calculate and plot input and output signals of the network.Hint: For design, remember clipper, clamper, rectifier,voltage multiplier and zener circuitsarrow_forwardThis question is open for business. This shows a circuit that includes an ideal transformer of turns ratio a : 1. Let v,(t) = 2000cos (21t) V, R₁ = 35N, R₂ = 85N, C₁ = 3µF, L₁= 50mH and a = 5. Compute the primary coil time- dependent voltage v₁ (t) (that is, the voltage of node 1) and the primary current i₁(t) = p. An ideal transformer circuit. + R HVS Report the peak value of V₁ Report the phase of V₁: L₁ m LVS Node 1 Report the peak value of primary current I₁: report the phase of the primary current I₁: V rad R₂ mA radarrow_forwardProblem #1 For the circuit below containing an ideal transformer, find the following; a) The turns ratio of the ideal transformer. b) The load impedance reflected to the primary side of the transformer (Zin) c) The current phasor I₂ d) The voltage phasors V₂ 0.25 Ω ww +2500/0° V Homework #8 j2 Ω V₁ 10:1 Ideal Copyright ©2015 Pearson Education, All Rights Reserved 10.2375 Ω www - 1₂ j0.05 Ω3 Zloadarrow_forward
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