11.7 Find the impedance, complex power, apparent power, average power, reactive power, and power factor of the load shown in Figure P11.7 when the magnitude of the voltage across the load is | Vrms | = 250 V and the radian frequency is w = 260 rad/s Figure P11.7 www R2 R₁ • 20 Ω Vims 60 Ω L 115 mH 9μF

11.7 Find the impedance, complex power, apparent power, average power, reactive power, and power factor of the load shown in Figure P11.7 when the magnitude of the voltage across the load is | Vrms | = 250 V and the radian frequency is w = 260 rad/s Figure P11.7 www R2 R₁ • 20 Ω Vims 60 Ω L 115 mH 9μF

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 2.17P: Consider a load impedance of Z=jwL connected to a voltage and V let the current drawn be I. (a)...

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1. Solve for the equivalent impedance and admittance seen at the source. Solve for is(t). 2. A load Z draws 12 kVA at a power factor of 0.856 lagging from a 120-Vrms sinusoidal source. Calculate: (a) the average and reactive powers delivered to the load, and (b) the peak current.
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Under balanced operating conditions, consider the 3-phase complex power delivered by the 3-phase source to the 3-phase load. Match the following expressions, those on the left to those on the right. 0) Real power, Py (ii) Reactive power, Qu (ii) Total apparent power Sy (iv) Complex power, Sy (a) (V3 VLL. IL)VA (b) (V3 Vu sng) var (e) (V3 VLL. IL cos ø) W (d) Py +Qy Note that VLL is the rms line-to-line voltage, IL is the ms line current, and o is the power-factor angle.
A load impedance, Zo = 10 + j 3 ohm, is connected to a source with line resistance equal to 3 ohm, as shown in the figure. Determine the average powers delivered to the load and absorbed by the line. The average powers delivered to the load and absorbed by the line are ________ and ____________ , respectively.
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