jlQ Load 30 KW 0.8 lagging pf. Capacitors C: 400 V,m. line to line 50 Hz.
jlQ Load 30 KW 0.8 lagging pf. Capacitors C: 400 V,m. line to line 50 Hz.
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 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
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Question
From the Single Line Diagram below, the 3-phase generator in Y-connection supplies electrical power to
a 3-phase load of 30 KW, PF 0.8 lagging via transmission line with reactance 1j Ω/phase. At node 2, the
capacitor C2 will be inserted to improve power factor to be 0.9 lagging.
1. Draw equivalent circuit of this power system.
2. Determine single phase voltage and current in the system before and after PF correction.
3. Calculate 3-phase power delivered to the load.
Transcribed Image Text:jl Q
2
Load
30 KW
0.8 lagging pf.
Capacitors C:
400 Vens line to line
50 Hz.
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