PRACTICE PROBLEM 12.9 The unbalanced A-load of Fig. 12 24 is supplied by balanced voltages of 200 V in the positrve sequence. Find the Ime currents. Take V as reference. 100 Answer: 18.05/-41.06 . 29.15/20.2", 31.87/74.27 A. 160 Figure 1224 Unbalanced A-load, for Practice Prob. 12.9.

Q: 12. For the circuit below, R=2kQ XL=6k2 + E =20V20° AC Xc=3k2. Z. a. Find the Thevenin equivalent…

A: In this question we will find thevenin equivalent , maximum power etc...

Q: A 400 V of 50 Hz is supplying a three-phase load of 150kW that is located 150 m away from the…

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Q: Distribution Systems rses / Electrical Engineering / Power Distribution Systems / General / M…

A: In a power system, there are two systems called single phase system and three phase system. In three…

Q: 12. 120v + Vi b) a -12ov rideal

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Q: I4 15.38 ohms 20 V Iz IB B. ww- 46.14 ohms 30.76 ohms 35V 40V Is I2 7.69 ohms 30v 5V Using KCL and…

A: The given circuit is shown below. By using KCL and KVL we need to determine I1, I2, I3, I4, I5, I6,…

Q: Problem 3 A climate control system, a motor load, and a lightning circuit of a small warehouse…

A: Step 1: Given data and solution to part a,b Step 2: Solution to part c

Q: 4. A balanced Y-connected 400V voltage source is where Z, = 20-j40 and Z2 = 3+ j45 Ohms a connected.…

A: In this question we will find source current in per unit....

Q: C/Choose the correct answer: 1-A balanced load in the thrce-phase system is mean a) the phase…

A: In this question we need to choose a correct option.

Q: 1. A single phase distributor AB has a total impedance of (0-1 + j0-2) ohm. At the far end B, a…

A: ∴ I1 = 100L - 53.13° A     I2  = 80 L - 36.86° A                        - for laggingRAB = 0.1 +…

Q: is a convenient way of representing a three-phase balanced system.

A: a three-phase system is represented using the simple diagram for simplicity.

Q: Given the circuit fed by 3 phases 380V phase to phase voltage, with 50HZ. a) Draw the power triangle…

A: In this question, 2 parallel loads are given. Draw the power triangle. We know Power P= S cos(V^I)…

Q: Line Voltages at the terminal P2- The of abalanced Y connected load is Each phase of the load…

A: Per phase load 10∠ 30 ohm Per phase voltage Vph= 120∠0V Determine the Active power , reactive power…

Q: P 12.3-4 An unbalanced Y-Y circuit is shown in Figure P 12.3-4. Find the average power delivered to…

A: The unbalanced Y-Y circuit is shown below,

Q: 1. A balanced-A load consisting of pure resistances of 15 N per phase is in parallel with a balanced…

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Q: B R m R m R R Fixed-attenuator pad R₁

A: Given:   To find: Value of RL , if V0Vi=12,

Q: Determine the current I, in the network in Figure below. V oilot srt nev ntv, O 12 v 2 2 kN V2 V3 VA…

A: The equivalent circuit with assumed currents direction in each resistor is shown below: The “6 V”…

Q: 2. Find the value of reactive power in the system which draws a 10-A current having a power factor…

A: It is given that: I=10 Acosϕ=0.8 laggingV=250 V

Q: 3. A balanced load with an impedance of 52445° in each arm is delta connected ba three phase Y…

A: Balance load with an impedance Z=52<45 ohm Delta load line to line voltage 208V Phase current?…

Q: Draw a single-line positive-sequence network of this simple power system. Use the nominal-n circuit…

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Q: 6. a) A balanced wye-connected load absorbs a total power of 5 kW at a leading power factor of 0.6…

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Q: A factory has the following load with power factor of 0.9 lagging in each phase. Red phase 40 A,…

A: Given IR=40 AIY=50 AIB=60 AV=400 V Taking VRN as reference VRN=4003VRN=230.9 V VRN=230.9∠0°…

Q: 12.75 Use voltage division twice to find V in the circuit shown in Fig. 12-31. Ans. 81.2/6.04 V -j20…

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Q: Q2/ A three-phase balanced delta connected load of (4+j8) connected across 400V, balanced delta…

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Q: In the circuit shown, convert to current-source conductive circuit and using node analysis determine…

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Q: P 12.3-7 A balanced Y-Y circuit is shown in Figure P 12.3-7. Find the average power delivered to the…

A: It is given that:

Q: below, z, = 2 + j2 Q, z, = 4 - j3 N, z, = 6 + j8 N, j12 Q. Calculate (a) the total 3. For the…

A: The solution is given below

Q: 4. Given 1. three single-phase loads with the same impedance and each requires 208V voltage supply…

A: It has been given that Three single-phase loads require a supply of 208V and have the same…

Q: Example :- FindI for the following cct. network :- 12.50 102 300 12 V 150 200

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Q: Example 12.58. Two 3-phase alternators A and B supply a sub-station through lines 1 and 2. The…

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Q: b) Figure Q2(b) shows three-phase balanced system in star- delta connection. Given three- phase…

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Q: A 230 V, 50 Hz power source is connected to the some loads, where: • Load-1: R = 4.5 Q and in series…

A: 3 loads are connected with 230V 50Hz supply.  Complex power S= VI* Where I* is conjugate of the…

Q: . Using Superposition theorem, solve for current I 12V O2A I

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Q: For the circuit in the figure below, the reactance of each impendence is specified according to the…

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Q: A single phase distībutor AB has a total impedance of (0-1+j0-2) ohm. At the far end B, a curent of…

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Q: In the figure below, a one diagram of a small 480-V industrial distribution system. the power system…

A: The given diagram is shown below,

Q: 2) A Y- connected load with an impedance of 12-j15 2 per phase in connected to a balanced…

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Q: a. Find the current ic for the circuit in Fig. 12. b. Sketch the Vc and ic curves and phasor…

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Q: Given the circuit fed by 50HZ voltage source Vs, knowing that Z1 is an inductive load with 0.8 power…

A: Given circuit shown  frequency f=50 HzZ1 is inductive load Z2 is capacitive load

Q: Determine the approximate value of Vps of the given circuit below. VDD 20V 2.1kQ Q1 V. V = - 4.5V…

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Q: A balanced abe-sequence Y-connected source with V = 100/10° V is connected to a A-connected balanced…

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Q: 1- Determine YT and ZT 2- Sketch the admittance diagram. 3- Find E and IL.

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Q: Problem 2 For the system shown in Figure 12.5: a) Find Is. b) Find the average power delivered to…

A: Step 1: Given circuit and solution to part a Step 2: Solution to part b,c,d and e

Q: 1) A 240V/60Hz single-phase voltage source supplies 2 loads in parallel. The first draws 6 kW and 4…

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Q: Figure Q2(b) shows three-phase balanced system in star- delta connection. Given three- phase voltage…

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Q: Fundamentals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir Example Find the current I, in…

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Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.