answer is a. R=22.5 ohms, X = 30 ohmsb. Vs = 747.11<34.82 Vrms How do I solve in steps? 14.20 A load consists of a resistance connected in parallel with a capacitive reactance is taking 20 kVA a40.8 power factor and fed from a source through a transmission line that has anQ as shown in Figure 14-33. The rms voltage across the load is 600°V rms. Findimpedance of 8 + j10a.The values of the load resistance and reactance.b. The supply voltage, V.8+j10 NVs-jXFIGURE 14-33: Circuit schematic for problem 14.20.

power dissipated in load resistor = Voltage across load2resistance. reactive power supplied by…

ww a totu r o .20 A load consists of a resistance connected in parallel with a capacitive reactance is taking 20 kVA a 0.8 power factor and fed from a source through a transmission line that has an impedance of 8+ i10 N as shown in Figure 14-33. The rms voltage across the load is 600Z0° V rms. Find а. The values of the load resistance and reactance. b. The supply voltage, V- S' 8 + j10 N Vs +. jX FIGURE 14-33: Circuit schematic for problem 14.20.

ww a totu r o .20 A load consists of a resistance connected in parallel with a capacitive reactance is taking 20 kVA a 0.8 power factor and fed from a source through a transmission line that has an impedance of 8+ i10 N as shown in Figure 14-33. The rms voltage across the load is 600Z0° V rms. Find а. The values of the load resistance and reactance. b. The supply voltage, V- S' 8 + j10 N Vs +. jX FIGURE 14-33: Circuit schematic for problem 14.20.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

See similar textbooks

Similar questions

The line with symmetrical spacing then the equilateral spacing (Deq) for the three-phase inductance calculation is D12=D23=D31=D. Select one: True False
ZL impedance for maximum average power transfer in the circuit shown in Figure 2and find the value of the maximum average power transferred to the ZL? (Can you write the steps in detail in sentences?)
If a load is symmetric with 50 ohm of series impedance and 13 ohms of mutual impedance, what are the sequence impedances? a. z11 = z22 = 63 ohm, z33 = 89 ohm, else 0 b. z11 = z22 = 33 ohm, Z00 = 76 ohm, else 0 c. z11 = z22 = 50 ohm, Z00 =89 ohm, else 0
Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?
Consider a load impedance of Z=jwL connected to a voltage and V let the current drawn be I. (a) Develop an expression for the reactive power Q in terms of ,L, and I, from complex power considerations. (b) Let the instantaneous current be i(t)=2Icos(t+). Obtain an expression for the instantaneous power p(t) into L, and then express it in terms of Q. (c) Comment on the average real power P supplied to the inductor and the instantaneous power supplied.
(a) Transform v(t)=75cos(377t15) to phasor form. Comment on whether =377 appears in your answer. (b) Transform V=5010 to instantaneous form. Assume that =377. (c) Add the two sinusoidal functions a(t) and b(t) of the same frequency given as follows: a(t)=A2cos(t+) and b(t)=B2cos(t+). Use phasor methods and obtain the resultant c(t). Does the resultant have the same frequency?
A 13.8-kV, single-phase generator supplies power to a load through a step-up transformer, a transmisson line, and a step-down transformer as in the figure above. Assume the transformers are ideal. The load’s impedance is Zload = 200 L 36.870, and the transmission line’s impedance is Zline = 70 L 600 What are the transmision losses in Watts?
A load is said to have a leading power factor. Is it capacitive or inductive? Is the reactive power positive or negative? Repeat for a load with lagging power factor.
Athreephase,50Hz,4poleslipringinductionmotorrunsat1455rpmonfull load.Therotorresistanceperphaseonstandstillis0.2ohm.Itisrequiredto reducethespeedby10%byinsertingtheseriesresistanceintherotorcircuit. Determinetherotorresistanceperphaserequired.
A star connected load with real impedance ZL= 1-j1 Ohm per phase is connected to the secondary of a three-phase Ynyn0 connected transformer. The equivalent impedance per reduced phase of the transformer to the primary is Zeq1= 1+j5 Ohm. The nominal primary voltage is V1Ln= 5920 V and the conversion ratio is a= 10. what is the amplitude of the actual voltage falling on one phase of the specified load? (simplified equivalent circuit will be used).
. Determine the capacitance value that, when placed in parallel with this load, would produce a unity power factor. Assume that the source is 230 V at 60 Hz. The Q shown is a positive Inductive reactive power, which would have to be “offset” by the same value of Reactive Capacitance Power.
Between i1 = -30cos(ωt + 50°) and v1 = 24sin(ωt - 10°), calculate the phase angle. Sketch and state which sinusoid is leading.