ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
9th Edition
ISBN: 9781260540666
Author: Hayt
Publisher: MCG CUSTOM
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Chapter 13, Problem 30E
To determine
Draw the T equivalent circuit for the given circuit.
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Homework:
For the linear transformer in Fig. 13.26(a), find the II equivalent
network.
2 H
a
10 H
4 H
bo
(a)
ll
Section 13.4 Linear Transformers
13.29 In the circuit of Fig. 13.98, find the value of the
coupling coefficient k that will make the 10-N
resistor dissipate 320 W. For this value of k, find the
energy stored in the coupled coils at t = 1.5 s.
k
10 Q
165 cos 10³t V
30 mH
50 mH
20 2
ll
For the following question, you must draw a transformer circuit. A 480/2400-V rms 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
Chapter 13 Solutions
ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
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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- 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 secondaryarrow_forwardAn ideal transformer is rated 12 kVA, 3600/120V, 60 Hz. Find the transformation ratio if the 120V is the secondary voltage. a = Find the current rating of the secondary if the 120V is the secondary voltage. units Is rating Find the current rating of the primary if the 120V is the secondary voltage. Ip rating unitsarrow_forwardQ.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_forward
- 13.29 In the circuit of Fig. 13.98, find the value of the coupling coefficient k that will make the 10-N resistor dissipate 320 W. For this value of k, find the energy stored in the coupled coils at t = 1.5 s. k 10 Ω 165 cos 10³t v (+ 30 mH 50 mH 20 Ω llarrow_forwardA 2,400/480-V rms step-down ideal transformer delivers 50 kW to a resistive load. Calculate:(a) the turns ratio(b) the primary current(c) the secondary currentarrow_forwardRefer to Fig. 13.43. If the two-winding transformer is a 60-VA,120V/10V transformer, what is the power rating of the autotransformer? 4 A V, = 12 V 0.2 A 4 A 4.2 A 252 V + 0.2 A 240 v V, 3||E v., 12 V 240 V = 240 V (a) (b) Figure 13.43 For Example 13.10.arrow_forward
- An ideal transformer having a turn ratio of 5:1 has a primary voltage of 1 kV and a load of 2.5 kW; calculate the value of the secondary current. 13.5 A O 12.5 A 15.5 A O 14.5 Aarrow_forward39. Select values for a and h in the circuit of Fig. 13.65 so that the ideal source supplies 1000 W, half of which is delivered to the 100-2 load. 25 N 1:a 1:b 100 N 100 V rms b = 0.8944, a = 5 elll ell ell ellarrow_forward.. The primary resistance of a 440/1 10-V transformer is 0.5 Q and the secondary resistance is 0.04 n. When 440 V is applied to the primary and secondary is left open-circuited, 200 W is drawn from the supply. Find the secondary current which will give maximum efficiency and cakulate this efficiency for a load having unity power factor. [53 A ; 93.58%]arrow_forward
- 21) 21. Find V₁ (jo) and V₂(jo) in terms of I, (jo) and 1₂(jw) for each circuit of Fig. 13.49. + V₁ www R₁ L₁ M FIGURE 13.49 (a) mm 1/3 R₂ + V₂ O + V₁ R₁ мет M (b) www R₂ L2 V₂ +arrow_forward18. For the circuit of Fig. 13.47, find the currents i(t), i2(1), and i3(t) if f = 60 Hz. %3D 50 4 H ell 3 H 2 sin 31 V ( 10 H 12 0 I3 elearrow_forwardFor the linear transformer in Fig. 13.26(a), find the equivalentnetwork.arrow_forward
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