A 240V, 60 Hz source is suppling power the following loads Load 1: 10kVA @ pf = 0.55 lagging Load 2: 5kVA @ pf = 1 Load 3: 3kVAR @ pf = 0.60 leading Calculate the current total complex power and power factor ST= ST= pf = 2 untis lagging, leading, or unity Calculate the total current before power factor correction ITbefore = units units Calculate the total current after power factor correction | Tafter= units +j units If its desired to have a unity power factor, how much capcitive reactive power needs to be supplied to the network? Qneed= units

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A 240V, 60 Hz source is suppling power the following loads
Load 1: 10kVA @ pf = 0.55 lagging
Load 2: 5kVA @ pf = 1
Load 3: 3kVAR @pf = 0.60 leading
Calculate the current total complex power and power factor
ST
ST=
=
||
pf =
2
untis
lagging, leading, or unity
Calculate the total current before power factor correction
ITbefore =
units
Tafter
Calculate the total current after power factor correction
units
units
+j
If its desired to have a unity power factor, how much capcitive reactive power needs to be supplied to the network?
Qneed
units
units
Transcribed Image Text:A 240V, 60 Hz source is suppling power the following loads Load 1: 10kVA @ pf = 0.55 lagging Load 2: 5kVA @ pf = 1 Load 3: 3kVAR @pf = 0.60 leading Calculate the current total complex power and power factor ST ST= = || pf = 2 untis lagging, leading, or unity Calculate the total current before power factor correction ITbefore = units Tafter Calculate the total current after power factor correction units units +j If its desired to have a unity power factor, how much capcitive reactive power needs to be supplied to the network? Qneed units units
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