In the circuit of Fig. 11.40, determine the average power absorbed by the 40-Ω resistor.

Q: 2 In the circuit of Fig. 11.71, device A receives 2 kW at 0.8 pf lagging, device B receives 3 kVA at…

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Q: 1. A relay coil is connected to a 210-V, 50-Hz supply. If it has a resistance of 30 2 and an…

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Q: A 540 V, 50 Hz, 3-phase circuit takes 47 A at a lagging power factor of 0.87. A synchronous motor is…

A: In this question,  Find the Volt-ampere rating of the synchronous motor.  If it's supplied the power…

Q: Obtain the complex power delivered by the source in the circuit of Fig. 11.75. 3Ω j4Ω wwwm 10/30° Α…

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Q: 10 kW induction motor initially operating on a power factor of 0.5 lagging. If power factor is…

A: Given active power rating for induction motor. Active power, P=10 kW Initial power factor, cosφ1=0.5…

Q: Assignment #2: For the following circuit, if the voltage source is (10sin 60t V), find the average…

A: Different types of power is described below.  Active Power(P): The power which is deployed and…

Q: Example 11.57. If the effective value of the voltage of a complex waveform is 130 V, determine the…

A: Given, Effective (rms) value of voltage, V=130 V. RMS value of harmonic content, Vh=0.20×130=26 V.…

Q: IW22 Obtain the complex power delivered to the 10-kſ2 resistor in Fig. 11.77 below. 500 2 L -j3 kQ…

A: In this question , we will find power delivered in 10 kilo ohm resistor..

Q: 115. Using nodal analysis, find the current through 82 resistor in the circuit shown in Fig. 11. 202…

A: This is a basic problem of nodal analysis. The detailed solution is given in the next step

Q: Assignment #2: For the following circuit, if the voltage source is (10sin 60t V), find the average…

A: ELECTRICAL NETWORK: When addressing a circuit problem or constructing a balanced circuit, the word…

Q: A plant has a load of 290 kilowatt with an average power factor of 70 % lagging. The owner request…

A: The solution is given below

Q: 11.35 Determine the complex power for the following cases: (a) P = 269 W, Q = 150 VAR (capacitive)…

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Q: 11.21 Assuming that the load impedance is to be purely resistive, what load should be connected to…

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Q: Complete Solution: A plant has a load of 290 kilowatt with an average power factor of 70 % lagging.…

A: The solution is given below.

Q: If the apparent power of an ac circuit is 220.35 kVA, then the magnitude of the active power at 0.92…

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Q: Fig. 11.1 shows a circuit that switches on a warning lamp when the temperature in an oven falls…

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: The network of Fig. 11. Check its operation and plot the waveform of the voltage ystem for the…

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Q: An equipment that draws 5.7 kW at 0.86 power factor lag.  How much reactive power in kVAr is…

A: In this question we will find KVAr absorbed by equipment..

Q: A fesistance of 5.02 has a current i = 5.0 x 10°1(A)in the interval 0 > 1> 2 ms. Obtain the…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: EXAMPLE 11.7 Switch S, in Fig. 11.51 has been closed for a long time. At 1 = 0 s, S, is opened at…

A: Inductors and capacitors are energy storing elements. Inductor prevent the change in current. It…

Q: Please answer in typing format

A: Step 1:By applying mesh analysis,.Mesh analysis is the combination of KVL and Ohm's law. KVL states…

Q: A 150 HP three-phase motor operates at 13.8 kV with a power factor of 0.8 lagging. The magnitude of…

A: We need to find out magnitude of current for given Power and voltage .

Q: A generator is supplying a load of 500 kW at a power factor of 0.8 lagging. If the power factor is…

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Q: Q₂0 For the value wave input. vin +3V circuit operational amplifier shown in fig. 11.62, determine…

A: The given Circuit is a practical integrator which means output is integral of its input.

Q: 16. (a) What load impedance Z₁ will draw the maximum average power from the source shown in Fig.…

A: Kirchoff's Law (KCL and KVL) and Ohm's law is very important to analyze electrical circuits. As per…

Q: A 2-pole, 50 Hz, 11 kV 100 MW alternator has a moment of inertia of 10,000 kg.m². The value of…

A: Given, An alternator has Number of pole, P = 2 Frequency, f = 50 Hz Power rating, S = 100 MW Moment…

Q: thermistor warning lamp R Fig. 11.1 Explain, with reference to the components in the circuit and…

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Q: 11.36 Find the complex power for the following cases: (a) P = 4 kW, pf = 0.86 (lagging) (b) S=2 kVA,…

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Q: 7. Calculate the value of the resistor(R) that must be connected in parallel with a 9µF capacitor(C)…

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Q: Calculate the average power absorbed by each of the five elements in the circuit of Fig. 11.6. 40/0°…

A: Given: Circuit diagram:

Q: 11.85 A regular household system of a single-phase three- wire circuit allows the operation of both…

A: The household circuit model is shown below,

Q: The power factor of a certain load is improved to 0.92 lagging with the addition of a 30 KVAR bank…

A: Need to find power factor before correction

Q: The load of an industrial plant consists of 600kVA at a power factor of 0.75 lag. One large motor is…

A: In this question , we will find new load in kVA if motor is to be added in parallel to load....

Q: 3. Find the reactive power delivered by the current source, and the power factor of the circuit if…

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Q: O A Library office is fitted with four units of 20W Compact Fluorescent Lamp (CFL) downlights and…

A: First calculate active and reactive powers of the individual loads.  Total active power is sum of…

Q: 330 k 470 k2 33 ka 12 mV 47 k2 47 kN V2 18 mV FIG. 11.52

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Q: A generator is supplying a load of 700 kW at a power factor of 0.9 lagging. If the power factor is…

A: We have been given a generator which is supplying a load of 700 KW with, Cosϕ = 0.9 Lagging   and we…

Q: For the op amp circuit in Fig. 11.41, V, = 2/30° V. Find the average power absorbed by the 20-ΚΩ…

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Q: 33. The network in Fig. 11.98 employs a DMM with an internal resistance of 10 MS in the voltmeter…

A: The given circuit is shown below.

Q: Assignment #2: For the following circuit, if the voltage source is (10sin 60t V), find the average…

A: ELECTRICAL NETWORK: When addressing a circuit problem or constructing a balanced circuit, the word…

Q: 1. Calculate the RMS value of the current waveform and determine the average power absorbed by a…

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Q: 1. Given that v(t) = 120 cos(377t + 45°) V and i(t) = 10 cos(377t - 10%) A find the instantaneous…

A: We need to find out the power for given current and voltage .

Synchronous Motor

The synchronous motor is an AC electric type motor where at a steady-state the shaft rotation is synchronized with the supply current variable-frequency. To an integral number of AC cycles, the rotation period is exactly equal. The stator of the motor in the synchronous motor contains multi-phase AC electromagnets due to which a magnetic field is created that rotates in time with the oscillation of the line current. The rotor contains a permanent magnet and the rotor rotates in synchronization with the stator field at the same rate and provides the second synchronized magnetic field which is rotating in nature as a result. When the synchronous motor is supplied with independently excited multi-phase AC electromagnets on both the rotor and the stator, it is termed as a doubly-fed machine. The most widely used AC-type motors are the synchronous AC motor and the induction AC motors.