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Consider a long radial line terminated in its characteristic impedance
(a)
(b)
(c)
(d) The complex power gain,
(e) The real power efficiency,
Note: 1 refers to sending end and 2 refers to receiving end.
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Chapter 5 Solutions
Power System Analysis and Design (MindTap Course List)
- Topic: Maximum Power Transfer Theorem for an AC Circuit A. Calculate the value of the series impedance Zs B. Calculate the value of Cl such that the reactive component of ZL is equal to butopposite in polarity than the reactive component of ZS.arrow_forwardFor the following SLD, take S- 100 MVA and Ve-250 kV at the load bus to draw the impedance diagram. (Neglect the magnetizing current and line capacitors). 90 MVA 90 MVA 20 kV X=9% pu 210 kV 120 2 T2 18 kV X 6% pu TL 80 MVA 80 MVA (20.210) kV X 16% pu (210:20) kV X 20% pu Load (48+j64) MVA 210 KVarrow_forwardan a transmission line has an impedance of 4 j2 Ohms/phase, Find the per-unit impedance of this line on a base of 100 MVA and 20 KV. Select one: O a. None of these Ob. 20-j10 (p.u) Oc 1-0.5 (p.u) O d. 0.5-j1 (p.u)arrow_forward
- Q1) Derive an expression for the input impedance Zin in terms of the load impedance ZL and the characteristic impedance of the line Zo. What is the importance of this case? State briefly.arrow_forwardWhich of the following parameter/s is represented as connected in shunt in the equivalent circuit for Transmission Lines? O A. RESISTANCE WITH THE INDUCTANCE O B. CONDUCTANCE ONLY OC. CONDUCTANCE AND CAPACITANCE O D. CAPACITANCE ONLYarrow_forwardTopic: Maximum Power Transfer Theorem for an AC Circuit A. Measure the current through and voltage across the loadon PR1. Calculate also the complex power at the load which is comprised of thereal power PL and reactive power QL.arrow_forward
- The real and reactive power of slack bus are determined after the power flow analysis.Select one:TrueFalsearrow_forwardIn load bus, the real and reactive power are specified. Select one: True Falsearrow_forward12 For the circuit shown below with the impedance parameters (in Q) given in the matrix. Suppose that the network is terminated by ZL = 25 k2 resistor, then the gain V2/V1 is.. 200 2 103 10 VI V2 ZL –106 104 Vs -555.55 -500 none of the above -333.33 -780 -312.6arrow_forward
- Problem 4- A large 3-phase industrial load draws 3.6 MVA at 0.85 power factor lagging from through a three- phase 12.47/7.2 kV 3-wire overhead distribution line. The phase conductor is #1 ACSR “Robin". Taking 3.6 MVA and 12.47 kV as base values, determine (a) The base impedance in (N) (b) The reactive power drawn by the load (p.u.) (c) The total current (p.u.) drawn from the power supplyarrow_forwardIn transmission substation, the ......................... compensation used is of both inductive and capacitive in nature.arrow_forwardAY-connected load consisting of three equal impedances of ZL = 22 230° N has a terminal line to line voltage of 4.4 kV. The impedance of each of the three lines connecting the load to a bus at a substation is ZTL = 1.4 Z75° N. Find the line-to-line voltage at the substation bus. Insert the magnitude in kV of the line-to-line voltage at the substation bus below:arrow_forward
Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning