i need the answer quickly PRACTICE EXERCISE 11.3The transmission line shown in Figure 11.9 is 40 m long and has V,Z. = 30 + j60 2, and V = 5/-48° Vrms Z, = 0. If the line is matched to the load andZ = 0, calculate:15/0° V,rms(a) The input impedance Zn(b) The sending-end current In and voltage Vin(c) The propagation constant YAnswer: (a) 30 + j60 2, (b) 0.2236/-63.43° A, 7.5/0° Vms (c) 0.0101 +j0.02094 /m.inZgZ, = 30 + j60y= a + jßVinVLVg40 mFIGURE 11.9 For Practice Exercise 11.3.

Answered: Image /qna-images/answer/865f2895-1cfd-498b-b944-097f9a81ca3a.jpg

PRACTICE EXERCISE 11.3 = 15/0° The transmission line shown in Figure 11.9 is 40 m long and has V, Z, = 30 + j60 2, and V = 5/-48° Vms) Z, = 0. If the line is matched to the load Z, = 0, calculate: 8. %3D (a) The input impedance Zin (b) The sending-end current Iin and voltage Vin (c) The propagation constant y Answer: (a) 30 + j60 2, (b) 0.2236/-63.43° A, 7.5/0° Vrms (c) 0.0101 + j0.02094 /m. 'in + Zg Z, = 30 + j60 y= a +jß Vin VL Vg 40 m

PRACTICE EXERCISE 11.3 = 15/0° The transmission line shown in Figure 11.9 is 40 m long and has V, Z, = 30 + j60 2, and V = 5/-48° Vms) Z, = 0. If the line is matched to the load Z, = 0, calculate: 8. %3D (a) The input impedance Zin (b) The sending-end current Iin and voltage Vin (c) The propagation constant y Answer: (a) 30 + j60 2, (b) 0.2236/-63.43° A, 7.5/0° Vrms (c) 0.0101 + j0.02094 /m. 'in + Zg Z, = 30 + j60 y= a +jß Vin VL Vg 40 m

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 2.43P: A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads...

See similar textbooks

Similar questions

S.2) The serial impedance of the 300 km power transmission line is 23 + j75 ohm / phase and the shunt acceptance is j500 microS / phase. A power of 50 MW with a power factor of 0.88 under 220 kV interphase voltage from the end of the power transmission line being shot. Using these data of the energy transmission line, a) Characteristic impedance of the energy transmission line, b) Natural apparent power of the energy transmission line according to the 220 kV interphase operating voltage, c) The values of the line parameters A, B, C and D of the transmission line using hyperbolic functions, d) Calculate the maximum power that the power transmission line can transmit.
Viva Questions:1. What is the difference between Primary and Secondary constants? 2.Define Transmission line Input Impedance?
S.1) The serial impedance per phase of a three-phase 45 km energy transmission line is 2 + j4 / phase. A load with a power factor of cos2 = 0.8 forward is fed from the end of the line. Since the line voltage at the beginning and end of the line of the energy transmission line is wanted to be kept constant at 115 kV, a) Active and reactive powers drawn from the beginning and end of the line, b) Calculating the power consumed along the energy transmission line and the efficiency of the line. S.2) Line constants of an energy transmission line are given as A = D = 0.8746 + j0, B = 0 + j128.34, C = j0.0018316 S. At the beginning of the line, it is desired to write 1920 MW active power and 600 MVAr reactive power lines under 7650kV line voltage. According to this business, a) Calculate the line end magnitudes (U2, I2 and P2). b) What value does the end voltage take when the load fed from the end of the line is deactivated? S.3) The length of a phased energy transmission line with a…
A balanced load of 30 MW is supplied at 132 kV, 50 Hz and 0•85 p.f. lagging by means of a transmission line. The series impedance of a single conductor is (20 + j52) ohms and the total phases-neutral admittance is 315 microsiemens. Shunt leakage may be neglected. Using the nominal T approximation, calculate the line voltage at the sending end of the line. If the load is removed and the sending end voltage remains constant, find the percentage rise in voltage at the receiving end.
A balanced load of 30MW is supplied at 132 kV, 50Hz and 0.85 p.f. lagging by means of a transmission line. The series impedance of a single conductor is (20+j 52) ohms and the total phase-neutral admittance is 315 micro mho. Shunt leakage may be neglected. Using the nominal T and π approximation, calculate the line voltage at the sending end of the line. If the load is removed and the sending end voltage remains constant, find the percentage rise in the voltage at the receiving end.
(2) The Primary constants for a certain transmission line operating at 7.5 KHz PRIMARY CONSTANT VALUE R 2.6 ohms/Km L 2.4 mH/Km C 0.0078 ÂµF/Km G 0.11 Âµohms/Km The sending end of 50 Km length of such a line, an ideal generator having a voltage of 10V r.m.s is connected and the output end is terminated in a matched load. Determine a. The Characteristic impedance b. The Propagation constant c. Attenuation, phase constant and phase velocity.
A 500 KV ,300 km transmission line has following line parameters.X=0.36 ,Y=5.2*10^-6 s/km calculate characteristic impedence,Propagation constant,surge impedence loading.The transmission line mentiotioned above delivers 1200 MW load at unity pf and the load voltage is 500 KV,Determine the sending end vlotage and current
A short 3 phase transmission line, connected to a 33kV, 50 Hz generating station at the sending end is required to supply a load of 10Megawatts at 0.8 power factor lagging, 30kV at the receiving end. If the minimum transmission line efficiency is to be limited to 96%, estimate the per phase values of resistance and inductance of the line.
The impedance of the 500 km long transmission line is Z = 0.1 + j * 0.4 ohm / km. At the end of the line, 988.1 A current is drawn under 400 kV interphase voltage. The angle of the current is -68. It is 6 degrees. With the short transmission line equations, the amplitude value of the phase neutral value of the busbar voltage to which the generator at the beginning of the line is connected is given correctly. A) 231.34 B) 52.35 C) 400 D) 380.28 E) 388.57
A 3-ph, 60 Hz, 200 km long, 220 kV transmission line has per km per phase constants of resistance 0.033 Ω, inductive reactance 0.33 Ω, capacitive susceptance 3.3x10 -6 mho. The load at the receiving end of the line is 500 MW at 0.95 power factor leading and voltage has dropped to 209 kV. Using the PI model, calculate the voltage, current and power factor at the sending end. Please answer in typing format solution please only typing format Please I will like it please reply to
A HV transmission line having receiving end load is 300MVA, 50 Hz line from poin A to point B. Resistance 0.13 ohm/KM , for 160 KM Inductance XL= 0.4 ohm per kilometer Parallel admittance j318 × 10-6 Power Factor 0.8770, 0.8477 lagging, unity and 0.8770, 0.8477 leading Assume desired voltage at the receiving end of the transmission line is not less than 380kV., if the line is supplying rated voltage and apparent power at various power factors given Estimate : a. Sending end voltages b. Voltage regulation c. Efficiency of the transmission line d. Give a technical explanations on the results obtained
Question-2 ) The series impedance of a 200-mile, 60 Hz, three-phase transmission line is given as z = (0.21+j0.78) Ω/mil and the shunt admittance y=j5.42x10^-6 mho/mil. According to this;a) Calculate the propagation rate.b) Assuming that the end of the line is open circuit and the end of line voltage is 100 kV, calculate the incident voltage, reflected voltage, incident current, reflected reflected current.c) Calculate the amplitude values of the line head voltage and current.4-) Calculate the propagation speed of this 200-mile long line and enter it in the box below.5-) Assuming that the end of line of this 200-mile long line is open circuit and the end-of-line voltage is 100 kV, calculate the incident voltage value and enter it in the box below.6-) Assuming that the end of line of this 200-mile long line is open circuit and the end-of-line voltage is 100 kV, calculate the reflected voltage value and enter it in the box below.7-) Assuming that the end of the line is open circuit and…