Given for Problem 1: Iç । [+ L₁ L4 Load 1: 200 W, unity power factor Load 2: 1200 W at 0.85 power factor lagging Load 3: 400 W +j100 VAR Load 4: -200 VAR a) What is the real power delivered by the source (in W)? b) What is the reactive power delivered by the source (in VARs)? c) If Vs = 240 ≤ 0°, what is Īç ? Specify the phasor magnitude. Provide at least 3 digits after the decimal place. d) What is the phasor angle, in degrees? Provide at least 3 digits after the decimal point. e) The source is operating at a power factor. f) Which of the loads is inductive? You may have more than one answer. g) Which of the loads has a capacitor inside? You may have more than one answer. 2 L₂ L3

Given for Problem 1: Iç । [+ L₁ L4 Load 1: 200 W, unity power factor Load 2: 1200 W at 0.85 power factor lagging Load 3: 400 W +j100 VAR Load 4: -200 VAR a) What is the real power delivered by the source (in W)? b) What is the reactive power delivered by the source (in VARs)? c) If Vs = 240 ≤ 0°, what is Īç ? Specify the phasor magnitude. Provide at least 3 digits after the decimal place. d) What is the phasor angle, in degrees? Provide at least 3 digits after the decimal point. e) The source is operating at a power factor. f) Which of the loads is inductive? You may have more than one answer. g) Which of the loads has a capacitor inside? You may have more than one answer. 2 L₂ L3

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 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

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Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?
The real power delivered by a source to two impedances, Z1=4+j5 and Z2=10 connected in parallel, is 1000 W. Determine (a) the real power absorbed by each of the impedances and (b) the source current.
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in the figure below, find a) The p.d across j5 ohmn inductance b)The p.d across -j10 ohmn capacitance c) the current in 20 ohmn resitance d) the current in (12+j160 ohmn impedance e) the complex power for (12+j16) ohmn impedance
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Consider a factory that operates with a poor (low) power factor. The operator can install a capacitor connected in parallel with the load to improve the power factor and reduce the power cost. Question: what is the value of the capacitor in parallel? Icap The factory load is: te Pload = 150 kW Isup Iload Load Pfload The desired power factor is: Sload P₁ Pload 0.65 inductive pfsup = 0.9 (lagging). Qload Vload := 7.2 kV
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