Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 12, Problem 38E
Find the reading of the wattmeter connected in the circuit of Fig. 12.38.
FIGURE 12.38
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Chapter 12 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 12.1 - Let and . Find (a) Vad; (b) Vbc; (c) Vcd.Ch. 12.2 - Prob. 2PCh. 12.2 - Modify Fig. 12.9 by adding a 1.5 resistance to...Ch. 12.3 - A balanced three-phase three-wire system has a...Ch. 12.3 - A balanced three-phase three-wire system has a...Ch. 12.3 - Three balanced Y-connected loads are installed on...Ch. 12.4 - Each phase of a balanced three-phase -connected...Ch. 12.4 - Prob. 8PCh. 12.5 - Determine the wattmeter reading in Fig. 12.24,...Ch. 12.5 - Prob. 10P
Ch. 12 - Prob. 1ECh. 12 - Prob. 2ECh. 12 - Prob. 3ECh. 12 - Describe what is meant by a polyphase source,...Ch. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - Prob. 9ECh. 12 - Prob. 10ECh. 12 - The single-phase three-wire system of Fig. 12.31...Ch. 12 - Prob. 12ECh. 12 - Referring to the balanced load represented in Fig....Ch. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Consider a simple positive phase sequence,...Ch. 12 - Assume the system shown in Fig. 12.34 is balanced,...Ch. 12 - Repeat Exercise 17 with Rw = 10 , and verify your...Ch. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - Prob. 22ECh. 12 - A three-phase system is constructed from a...Ch. 12 - Prob. 24ECh. 12 - Each load in the circuit of Fig. 12.34 is composed...Ch. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - A three-phase load is to be powered by a...Ch. 12 - For the two situations described in Exercise 28,...Ch. 12 - Prob. 30ECh. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Repeat Exercise 32 if Rw = 1 . Verify your...Ch. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - A wattmeter is connected into the circuit of Fig....Ch. 12 - Find the reading of the wattmeter connected in the...Ch. 12 - (a) Find both wattmeter readings in Fig. 12.39 if...Ch. 12 - Circuit values for Fig. 12.40 are , , , , . Find...Ch. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - (a) Is the load represented in Fig. 12.41...Ch. 12 - Prob. 44E
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- A balanced 3-phase a-b-c system with line-to-line voltage Vab = 20800 V supplies to a balanced connected load of 3 kW with a power factor of 0.8 (lag) through ideal conductors. Find the line currents. Draw the phasor diagram.arrow_forwardIn a balanced three phase system, load 1 draws 60 kW and 80 leading kVAr whereas load 2 draws 160 kW and 120 lagging kVAr. If line voltage supply is 1 kV, find the line current supplied by the generator. Both loads are 3-∅ loads.Single line text.arrow_forwardTwo wattmeters are used to measure the total power drawn by a balaced delta connected load. If the wattmeters read 1200 W and 800 W respectively, and the line to line voltage is 208 V, solve for the impedance per phase of the load.arrow_forward
- A balanced three-phase ∆- connected source has a line voltage 120 V. It is connected to a load via a three-wiretransmission line. The per-phase impedance of the ∆-connected load is 30 + j120 Ω. The impedance of each wireof the transmission line is 2 + j4 Ω.How much power is dissipated by the load? How much power is dissipated in transmission line? Power factor of load?arrow_forwardThe following diagram shows a three-wire single-phase circuit of a house. Consider that the refrigerator consumes 8.5 A, with an inductive angle of 45°. TV and kitchen loads are 200W and 8kW respectively. Calculate: a) Current line 1, line 2 and neutral. b) Total power of the circuit....arrow_forwardAn acb sequence balanced three-phase Y-connected source supplies power to a balanced, three-phase Δ-connected load with an impedance of 15 + 6i Ω/ϕ. The source voltage in the b-phase is 240∠−45∘ V. The line impedance is 1 + 1i Ω/ϕ. Use the single phase equivalent circuit for the a-phase to find the current in ampere in the a-phase of the load. Express your answer using polar notation, only provide the polar angle in degrees.arrow_forward
- The input power to a 3-phase load is measured as 17kW. If the line voltage and power factor of the load are 400 V and 0.5, then the value of line current is given byarrow_forwardA balanced delta connected load of 14+j16 ohm per phase is connected at the end of three phase line. The line impedance is 4+j6 per phase . The line is supplied from athree source with a line to line voltage of 207.85 Vrms. Tnaking phase voltage Va as reference determine the following: a) I in phase a b) Total complex power supplied from the source c) Magnitude of the line to line voltage at the load terminal.arrow_forwardThe input power to a 3-phase load is measured as 11kw. If the line current and power factor of the load are 32 A and 0.7, then the value of line voltage is given by,?arrow_forward
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