In a balanced three-phase circuit (Y/A) the magnitude of the line-to-line voltage isthe loadSelect one:O a.O b.The same of3 timesО с.O d. None of these√3 timesthe magnitude of the voltage across single phase of

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In a balanced three-phase circuit (Y/A) the magnitude of the line-to-line voltage is the load Select one: O a. O b. The same of 3 times O c. √3 times O d. None of these the magnitude of the voltage across single phase of

In a balanced three-phase circuit (Y/A) the magnitude of the line-to-line voltage is the load Select one: O a. O b. The same of 3 times O c. √3 times O d. None of these the magnitude of the voltage across single phase of

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 2.23MCQ: In a balanced system, the phasor sum of the line-to-line voltages and the phasor sum of the...

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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

In a balanced three-phase circuit (Y/A) the magnitude of the line-to-line voltage is
the load
Select one:
O a.
O b.
The same of
3 times
О с.
O d. None of these
√3 times
the magnitude of the voltage across single phase of

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The circuit shows an unbalanced electrical installation powered by a positive sequence symmetrical three- phase network of 380 V compound voltage. The loads are single phase. Load 1 absorbs an active power of 950 W with f.d.p. 0.5 inductive. Load 2 absorbs an active power of 1,140 W with f.d.p. Unit. Load 3 absorbs from the network an active power of 760 W with f.d.p. 0.5 capacitive. Taking the network voltage URN as the phase reference, calculate: a) complex expressions of the line currents IR. Is. and IT RO- SO TO IR Is IT U₁-380 V CARGA 1 P₁ =950 W cos p1=0,5 ind. CARGA 2 P₂=1.140 W cos p₂=1 CARGA 3 P3=760 W cos p3=0,5 cap.