Q3: A three-phase transmission line delivers 15 MW at 132 kV with 0.8 power factor lagging. The loss in the transmission line is five percentage of the power delivered and the resistance for each transmission line is one ohm/km. The line current is (1 إجابتك The length of the transmission line is (2

Q3: A three-phase transmission line delivers 15 MW at 132 kV with 0.8 power factor lagging. The loss in the transmission line is five percentage of the power delivered and the resistance for each transmission line is one ohm/km. The line current is (1 إجابتك The length of the transmission line is (2

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...

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Q2: A 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. The capacitance in µF/km without effect -1 of ground is إجابتك The capacitance in µF/km with effect of -2 ground is
3.23 Figure 3.32 shows the oneline diagram of a three-phase power system. By selecting a common base of 100 MVA and 22 kV on the generator side, draw an impedance diagram showing all impedances including the load impedance in per-unit. The data are given as follows: x = 0.18 per unit x = 0.10 per unit x = 0.06 per unit x = 0.064 per unit x = 0.08 per unit x = 0.185 per unit G: 90 MVA 22 kV T;: 50 MVA 22/220 kV T;: 40 MVA 220/11 kV T3: 40 MVA 22/110 kV 40 MVA 110/11 kV M: 66.5 MVA 10.45 kV Lines 1 and 2 have series reactances of 48.4 and 65.43 N, respectively. At bus 4, the three-phase load absorbs 57 MVA at 10.45 kV and 0.6 power factor lagging. FIGURE 3.32 3 Line 1 Problem 3.23 220 kV G M Line 2 Load 110 kV CO
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