I Q.2 Consider a two bus power system, where these buses are connected through two parallel transmission lines. The impedance of each line is j0.20 pu. Each line in the power system has a line charging capacitive susceptance of y pu. The elements of YBUS are: Y11 =-j9.96, Y12 = Y21 =j10, and Y22 = -j9.96. Determine the value of y.

I Q.2 Consider a two bus power system, where these buses are connected through two parallel transmission lines. The impedance of each line is j0.20 pu. Each line in the power system has a line charging capacitive susceptance of y pu. The elements of YBUS are: Y11 =-j9.96, Y12 = Y21 =j10, and Y22 = -j9.96. Determine the value of y.

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 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

See similar textbooks

Similar questions

Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in Figure 2.27. (a) Obtain expressions for P12 and Q12. (b) Determine the maximum power transfer and the condition for it to
A small manufacturing plant is located 2 km down a transmission line, which has a series reactance of 0.5/km. The line resistance is negligible. The line voltage at the plant is 4800V(rms). and the plant consumes 120kW at 0.85 power factor lagging. Determine the voltage and power factor at the sending end of the transmission line by using (a) a complex power approach and (b) a circuit analysis approach.
Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of the load impedance Z=ZZ, find expressions for P and Q, from complex power considerations. (b) Express p(t) in terms of P and Q, by choosing i(t)=2Icost. (c) For the case of Z=R+jL+1/jC, interpret the result of part (b) in terms of P,QL, and Qc. In particular, if 2LC=1, when the inductive and capacitive reactances cancel, comment on what happens.
In the Transmission Line Simulator, the Transmission Line is composed of which parameter/s? O A. The Shunt Conductance Only O B. The Series Impedance and Shunt Capacitance O C. The Shunt Capacitance Only O D. The Series Impedance Only
The VSWR on an 50-Ohm transmission line is 5. The distance between successive voltageminima is 80 cm while the distance from the load to the first minimum is 30 cm. What are thereflection coefficient and load impedance
7. In the circuit below write the loop equations and set up (not solve) the matrix equation for the load current. Wiso 150 75 28 100
1. The load flow data for the sample power system are given below. The voltage magnitude at bus 2 is to be maintained at 1.04 p.y.Determine the set of load flow equations at the end of first iteration by using N-R method. Impedance for sample system Bus Code Impedances 0.08 + j0.24 0.02 + j0.06 0.06 + j0.18 line charging admittance 1-2 0.0 1-3 0.0 2-3 0.0 Schedule of generation and loads: Bus Code Assured Voltages Generation Load MW MVAR MW MVAR 1.06 + j0 0.5 1.0 +j0.0 1 2 0.2 0.0 0.0 0.0 1.0 +j0.0 0.6 0.25
consider the following diagram of impedances in per unit of a common base a) get the YBUS admittance array and the ZBuz impedance array 213-j2 pu zt2-j0.15 zg2-j1.85 791-j0.9 211-0.1 1 212-j0.5pu 223-j0.5pu Va 1 p.u. Jv1-1p.u. 22-10 pu
[j0.11565 j0.04580] Lj0.04580 j0.13893. 7.28 A two-bus system has Zpus pu. If an impedance Z, = j0.4 pu is connected %3D %3! between buses 1 and 2, what is the new Zpus?
The figure shows a 500-kV (line-to-line voltage) transmission line linking two systems. The theoretical maximum power that can be transferred from System A to System B is 5,000 MW, which occurs when the power angle 8 = 90°. The line current is then proportional to (VA - VB) The reactive power losses (Mvar) in the transmission line during this transfer would be most nearly: Wond O A. 1,667 O B.. 3,333 O C. 5,000 O D. 10,000 Know EQUIVALENT SYSTEM A VA= 500 28 KV m XL = 50 Ω EQUIVALENT SYSTEM B VB = 500 40⁰ kV O
A- A 3-ph, double circuit O.H.T.L, 320 kV, 340 km, 50 Hz has a configuration as shown in the figure below where each phase in the double circuit has a double bundle with a spacing of d cm between the two conductors in the bundle where d is the last two digits (from right) of your registration number (i.e for the student that has a registration mumber 202112396, d= 96). Each conductor in the bundle has a diameter of 0.135 ft and a geometric mean radius (Ds = 1.6 cm). Calculate: 1- Inductance per phase per km. 2- Total inductive reactance. 3- This T.L. is required to supply 240 MVA at 0.86 lag P.f. at 320 kV, assuming that this load is divided equally between these two circuits, find the voltage drop across this T.L (ignore capacitive effect in the calculation). 4- What may happen if we replace the location of a' and c' bundles. Discuss your answer. 5- Suggest a way to ređuce the value of the inductance. Verify your suggestion. -8 m 3m 3m 8 m 11 m
Two buses are interconnected by a transmission line of impedance (0.03 + j0.012) pu. The voltage on one bus is 1/0°, and the load on the other bus is (1 + j0.4) pu. Determine the voltage on the second bus. Also calculate the real and reactive power on the first bus.