10.5 A delta connected resistive load is connected across a balanced three- phase supply of 400 V as shown in Fig. P-10.5. Find the symmetrical components of line currents and delta currents. |A A- C B- Ic IB 15 Ως C a Z 2002 Ω 250 Ω b Fig. P-10.5 Phase sequence ABC ms are connected in star Reno2 Z /27 22:08
Q: 14 V Μ Μ 6Ω Μ 5Ω Μ 3 Ω Μ Find the equivalent resistance seen by the source. [10.818 Ω ] ΤΩ
A: Given circuit:
Q: 4 described A DT- system difference of nation. the following by y[n] - 12yin-1] + 2y[n-2] − y {n-1]…
A:
Q: A LED which bright one color when forward and another color on reverse is called Dimensional LED O…
A: Answer:option-4 Multicolored LED.
Q: For an RLC circuit, if the complex power S for the whole circuit is S=10260°VA, then: P=8.66 W, Q=5…
A: Given, For an RLC circuit Complex power, S=10∠60° VA
Q: For the following circuit if the secondary voltage of the transformer is 20V max, the output voltage…
A: given here a electrical circuit and asked to find the output voltage.
Q: The Fourier transform of a continuous-time function x(t) is X (f) = * x(t) e-j 2nft dt -00 Choose A…
A: For the above given time domain signal we need to plot time domain and frequency domain analysis and…
Q: The transfer function of a position control system is given by: Determine: a) Tp C(s) 1500 R(s) 2s²…
A: By using the given standard transfer function we have to calculate the values of time domain…
Q: Explain what is modulation?
A: Here We have to write what is modulation. General the need for modulation is given below: 1. We…
Q: Weight of the coal is 2 g and after heating the coal sample, the weight of the coal is 1.82 g. What…
A: Given, Initial weight of coal = 2 g Weight of the coal after heating = 1.82 g
Q: Let x[n] = { 1.0, 3.0, 4.0, x[-1]=1.0, x [0] = 1.25, 2.25, 1.4). Calculate the DTFT X (eja).
A: Given here discrete signal xn and asked to find the DTFT Xejw. let xn be discrete sequence then…
Q: The LED usually turns ON in the O Not Forward and not reverse O Forward Biased Reverse Biased
A: The objective is to determine the biasing of the LED.
Q: Please look for Vo
A:
Q: The figure shown is an example of summing amplifier circuit. With the given values of R1, R2, R3 and…
A: In this question we will find input voltage v2 for given summing amplifier....
Q: Q2: B: system, the output signal to quantization ratio is to be hold to a minimu of 25 dB. If the…
A: Signal power is given by, S.P=Am22 Noise power is given by, Noise power = △22
Q: Convolve the following continuous-time signals, assuming that Th=1 sec, and T=1.5 sec Plot the…
A:
Q: 2. Both parts of the type strand in the figure below are steel-concrete. Part 1 has parameters l1 =…
A:
Q: Find the bilateral Laplace transform of the signal x(t) = sin(at) u (t)
A:
Q: The message signal given in the figure below is used in both FM and PM. Given that the maximum…
A: We need to find out ratio phase constant and frequency constant .
Q: 5. Determine the mesh current i, and iy in the following circuit. 2 Ω 9 Ω 12 V www 4 Ω 12 Ω 12 www 3…
A: This question belongs to circuit theory. It is based on the concept of mesh analysis in the circuit…
Q: Q5 Find the average output voltage of the full wave rectifier if the input signal = 24 sinwt and…
A: Types of converter DC-DC Converter (Chopper) DC-AC converter (Inverter) AC -DC Converter…
Q: In a transistor
A:
Q: Q4) A Wheatstone bridge strain gage, shown in figure 1, with a gage factor (F) of two is used to…
A: Given data, Gauge factor(F) = 2, strain ε = 200×10-3 Input voltage of the bridge Vs =5V Gauge…
Q: A DM system is designed to operate at 3 times the Nyquist rate for the signal with a 3 kHz…
A: By using the concept of delta modulation we need to calculate amplitude of the modulating signal and…
Q: The message signal given in the figure below is used in both FM and PM. Given that the maximum…
A: We need to find out constant ratio for PM and FM
Q: find the fourier transform X(t)=3 Sin (10TT fet) Plot the signal of X(+) in the tim domain and…
A:
Q: 5. Calculate all unknowns for the following circuit. + V₁ - W R₁-201 20 V Ry R₁-25 12 www R₂ ISAV,…
A:
Q: Michael is designing a motor driver for a wheeled mobile robot.
A:
Q: Write true or false
A:
Q: Two impedances, A and B, are connected in parallel across a 120 V AC supply. The total current and…
A: Given the supply voltage= 120V AC Current adjusted to = 20A and power factor is lagging. To know…
Q: Calculate i(t) for 1>0 in the network of Fig. 16.51. using mesh 2e" w(1) V
A: Convert the circuit into s domain before applying mesh analysis. We have to use super mesh concept…
Q: What is... The transfer function of a position control system is given by: Determine: a) Tp C(s)…
A:
Q: Voltage (V) 2.0 3.5 5.5 7.5 9.0 11.0 Current 0.20 0.34 0.50 0.70 0.88 1.16
A: Given data, Voltage current table is given as, Value of direct measurement R=10 Ω
Q: -at Example:- Find The F.I of x= e UGL Then plat. @ The ret time domain exponetiol signal @…
A:
Q: قول 2- On what dependent the frequency of the antenna of AM-TX? Why? ماموت شالونه على إشارة…
A: AM-TX Antenna: To send the strongest signal possible to the aerial antenna, the ground-based antenna…
Q: 3- What is the meaning of "square-law" detection?
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: HW 1: Find the trigonometric Fourier of the triangular waveform shown over the interval (-1, 1).…
A: The Given triangular waveform is To find the trigonometric Fourier series.
Q: The message signal given in the figure below is used in both FM and PM. Given that the maximum…
A: We need to find out the ratio of Kp and Kf .
Q: A resistor R is connected in parallel with a 10 ohm inductive reactance. The combination is then…
A: Given data, Resistance is R Inductive reactance XL=10 Ω Capacitive reactance Xc=4 Ω Frequency f = 60…
Q: Q5: Determine the COP of a refrigerator which removes heat from the food compartment at a rate of…
A: Determine the COP of refrigerator with the given values. Option D(1.38 ) is correct.
Q: 9. Kirchhoff's voltage law states that the sum of the voltage drops across a resistor, R, an…
A: The Given Equation is Ld2qdt2+Rdqdt+1Cq=Et were Et=100 sin60t The Given values are L=120, R=1 and…
Q: Z.Three resistors are connected in series namely 3, b, and 9 ohms respectively. If the supply…
A:
Q: 5. What is the function of the prefilter in a PTM modulation circui completely removes frequencies…
A: PTM is nothing but pulse time modulation in which the timing of the pulse varied with respect to the…
Q: The emitter follower transistor configuration is used as a input stages because the emitter follower…
A: Emitter follower configuration : Due to its high input impedance characteristics and low output…
Q: to a closed teep Control system determine the value of k & a so that, the 7. age peak oversus UN't…
A: standard second order systemωn2s2+2ξωns+ωn2Ts(settling time)=4ξωnpeak overshoot=e-ξπ1-ξ2
Q: For the circuit shown below indicate when the diode is conducting & show direction of the current,…
A:
Q: For the circuit shown below, determine VoDC. What is the peak inverse voltage for each diode? Write…
A: For the given circuit calculation of V0DC. And peak inverse voltage for each diode. It is a…
Q: HW 2: Find the trigonometric Fourier of symmetric square wave shown. x(t) -T/2 -1 T/2
A: In this question, We need to determine the Trigonometric series series. We know Trigonometric…
Q: 6Volt S: Find the value of the current through the resistance R4 using the Thevenin's theorem method…
A:
Q: what are the circuit that used to convert PWM to PPM? 3:43 ✔
A: What are the circuit that used to convert PWM to PPM. PWM : Pulse width modulation in which pulse…
Q: 3. Calculate instruments' readings. Assume e(t)=200√2 sin(wt), R=20, XL1-40, XL2-30, XM=20. A Bo ca…
A:
Step by step
Solved in 3 steps with 3 images
- Q3/ for the power system shown in figure. Find the optimal network condition of switches S1, S2 to obtain maximum steady state power transfer. If a 3-phase short circuit occurs in one of the two circuit of transmission line at point F, and the shunt impedance of the short circuit is jo.1 pu. Determine the maximum time when a short circuit can still be cleared. So=0.8+j0.3 Xd= 0.2, XL1=XL2= 0.6, Xt1=0.12, Xr2= 0.1, L1 V= 1.0 T1 L2 F T2 XL= 0.1 Xc= 0.1. S1 S2 SL= 0.6+j0.31. a) Find the average power dissipated in the line shown.2. b) Find the capacitive reactance that when connected in parallelwith the load will make the load look purely resistive.3. c) What is the equivalent impedance of the load in (b)?4. d) Find the average power dissipated in the line when the capacitivereactance is connected across the load.5. e) Express the power loss in (d) as a percentage of the power lossfound in (a).A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (30+j40) per phase, and the other is -connected with an impedance of (60j45) per phase. The line is energized at the sending end from a 60-Hz, three-phase, balanced voltage source of 1203V (rms. line-to-line). Determine (a) the current, real power. and reactive power delivered by the sending-end source: (b) the line-to-line voltage at the load: (C) the current per phase in each load: and (d) the total three-phase real and reactive powers absorbed by each load and by the line. Check that the total three- phase complex power delivered by the source equals the total three-phase power absorbed by the line and loads.
- A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase 60-Hz,208-V source, (a) Calculate the line current, the total real and reactive power absorbed by the load, the load power factor, and the apparent load power, (b) Sketch a phasor diagram showing the line currents, the line-to-line source voltages, and the -load currents. Use Vab as the reference.1. Given the circuit below, the phase voltages are given by Van = 20040° Vrms. The source impedance is 5 + j7 per phase and the wire impedance is 8 +j10 per phase. Let the load impedance be Zy = 50 ohms. Find: Van Vin Ven a. II, and Ic b. c. VAN, VBN, and VCN, and VAB, VBC, and VCA Z₂ Z₂ Z₂ Zw Zw Zw B C le NAC Power and Power Factor 1. Two loads are connected in parallel across a 13,200-volt line. Load A draws 200kW at 0.6 p.f. (lagging), load B takes 200kVA at 0.8 p.f. (lagging). Find the reactive, apparent and true power and the line current.
- Problem 2 The circuit diagram of a certain load is presented below. Determine the following: a. The power factor of the load. b. If the load is connected across a 400 Vrms source, determine the real and reactive power consumed by the load. c. From (b), determine the value of the capacitor to be placed in parallel with the load in order to improve the power factor of the load to 95% lagging. From (b), A synchronous motor is installed in parallel with the load to correct the pf. The motor is rated 5 hp operating at 60% efficiency. Assuming that the motor is running at rated power. Determine the apparent power and power factor of the motor in order to improve the load's pf to 95% lagging. 202 500 µF HI + VL -20 mH 5Ω >0.5VL m 15 mHThere is an installation with two equal triphasic loads of 300 kVA each and a power factor of 0.9 lagging. When connecting a pure reactive element in parallel, the reactive power at the entrance of the installation is 150 kVARS, with a lagging power factor. We can say that: a) A bank of reactors was connected and the fp deteriorated. b) A capacitor bank was connected and the pf deteriorated. c) A bank of reactors was connected and the fp improved. d) A capacitor bank was connected and the pf improved. e) None of the above2) Figure shows three loads connected in parallel across a 1000-V (rms), 60-Hz single-phase source. Load 1: Inductive load, ... kVA, 0.28 p.f. lagging Load 2: Capacitive load, ... kW, 40 kvar Load 3: Resistive load, 15 kW Determine the total (a) kW, (b) kvar, (c) kva, and (d) supply power factor. (Please determine the power values within the specified limits: Load 1 apparent power: 100-150 kVA, Load 2 active power: 5-20 kW. By considering the power values you determined yourself, solve the question.) Load Load DE 1 2 Load 3
- A residential four-wire system supplies power at220 V rms to the following single-phase appliances:On the first phase, there are ten 75-W bulbs. On thesecond phase, there is a 750-W vacuum cleaner with apower factor of 0.87. On the third phase, there are ten40-W fluorescent lamps with power factor of 0.64.Finda. The current in the netural wire.b. The real, reactive, and apparent power for eachphase.A single-phase a.c. distrībutor AB is fed from end A and has a total impedance of (0-2+j03) ohm. Atthe far end, the voltage V = 240 V and the current is 100 A at a p.f. of 0-8 lagging. At the mid-point M, a current of 100 A is tapped at a p.f of 06 lagging with reference to the voltage Vy at the mid-point. Calculate the supply voltage V, and phase angle between V, and Vg- [292 V, 2-6°)An 11kV, three phase transmission line has a resistance of 2 ohm and reactance of 4 ohm per phase. The efficiency of the line when supplying a load of 4MW at 0.8 lagging power factor is nearly .. Select one: O a. 97.8 % O b. 90.6 % OC.95.4 % O d.99.2 %