Which of the following descriptions IS NOT correct for loads in power systems? A. The purely resistive load absorbs the real power from the power grid B. The purely inductive load absorbs the positive reactive power from the power grid C. The purely capacitive load absorbs the positive reactive power from the power grid. D. The average value of the instantaneous power through loads is equal to its real power.

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 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...
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Which of the following descriptions IS NOT correct for loads in power
systems?
A. The purely resistive load absorbs the real power from the power grid
B. The purely inductive load absorbs the positive reactive power from the power grid
C. The purely capacitive load absorbs the positive reactive power from the power grid.
D. The average value of the instantaneous power through loads is equal to its real power.
In an ac circuit, power factor correction or improvement is achieved by
A. Connecting a resistor in parallel with the inductive load
B. Connecting an inductor in parallel with the inductive load
C. Connecting a capacitor in parallel with the inductive load
A balanced delta-load can be converted to an cquivalent balanced wye-
load by dividing the delta-load impedance by
A. square root of 3
В.3
C. 1/3
Transcribed Image Text:Which of the following descriptions IS NOT correct for loads in power systems? A. The purely resistive load absorbs the real power from the power grid B. The purely inductive load absorbs the positive reactive power from the power grid C. The purely capacitive load absorbs the positive reactive power from the power grid. D. The average value of the instantaneous power through loads is equal to its real power. In an ac circuit, power factor correction or improvement is achieved by A. Connecting a resistor in parallel with the inductive load B. Connecting an inductor in parallel with the inductive load C. Connecting a capacitor in parallel with the inductive load A balanced delta-load can be converted to an cquivalent balanced wye- load by dividing the delta-load impedance by A. square root of 3 В.3 C. 1/3
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