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Two lossless transmission lines having different characteristic impedances are to be joined end to end. The impedances are
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Engineering Electromagnetics
- Is it possible to measure the phase-shift angle in an AC single-phase circuit by an indirect method using an ammeter and a voltmeter? - Yes, but an instrument must be added to measure the active resistance of the load. - Yes, but an instrument must be added to measure the active power dissipated by the load. - Yes, but an instrument must be added to measure the frequency.arrow_forwardA single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight 1-The capacitance in uF/km without effect of ground is 2-The capacitance in pF/km with effect of ground isarrow_forwardThe total reactive power consumed by the three-phase load(in VAr) is??arrow_forward
- 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 Onlyarrow_forward7- DC Chopper with output voltage of 120V and input voltage of 80V and output power of 240W. Assume lossless chopper. The average inductance current IL is * 2.6 A 3.0A 4.3Aarrow_forward2.5 A 3-phase single circuit bundled conductor line with two sub-conductors per phase has horizontal spacing with 6.1 m between the centre lines of adjacent phases. The distance between the sub- conductors of each phase is 30.5 cm and each sub-conductor has a diameter of 2.54 cm. Find the inductance per phase per km. [0.988 mH]arrow_forward
- Consider a 3-phase, 50 HZ, 11 KV distribution system. Each of conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between link and ground. Find the voltages across two insulators.arrow_forwardThe instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load under sinusoidal-steady-state excitation. is (a) Nonzero constant (b) Zero (c) Containing double-frequency componentsarrow_forwardThe affect of the earth plane is to slightly increase the capacitance, and as the line height increases, the effect of earth becomes negligible. True Falsearrow_forward
- Give example problems for impedances and admittance.arrow_forwardA single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of groundarrow_forwardDerive the equation for impedance and phase shift for series RLC circuit connected to the AC supply.Also draw an impedance triangle and voltage triangle.arrow_forward
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning