A balanced three-phase distribution line has an impedance of (1 +j8)ohm/phase .This line is used to supply three balanced three-phase loads that are connected in parallel. The three loads are: Load I: S1/phase = 40kVA at a power factor of 0.96 leading. Load 2: S2/phase = 60 kVA at a power factor of 0.8 lagging. Load 3: P3/phase= 33.6 kW and Q3/phase = 5.2 kVAR. The magnitude of the phase-to-neutral voltage at the terminals of the loads is 2400 V (rms)and is considered as phase reference. A)find the complex apparent power per phase at the source end of the line
A balanced three-phase distribution line has an impedance of (1 +j8)ohm/phase .This line is used to supply three balanced three-phase loads that are connected in parallel. The three loads are: Load I: S1/phase = 40kVA at a power factor of 0.96 leading. Load 2: S2/phase = 60 kVA at a power factor of 0.8 lagging. Load 3: P3/phase= 33.6 kW and Q3/phase = 5.2 kVAR. The magnitude of the phase-to-neutral voltage at the terminals of the loads is 2400 V (rms)and is considered as phase reference. A)find the complex apparent power per phase at the source end of the line
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 2.14MCQ: The instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load...
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A balanced three-phase distribution line has an impedance of (1 +j8)ohm/phase .This line is used to supply three balanced three-phase loads that are connected in parallel. The three loads are:
Load I: S1/phase = 40kVA at a power factor of 0.96 leading.
Load 2: S2/phase = 60 kVA at a power factor of 0.8 lagging.
Load 3: P3/phase= 33.6 kW and Q3/phase = 5.2 kVAR.
The magnitude of the phase-to-neutral voltage at the terminals of the loads is
2400 V (rms)and is considered as phase reference.
A)find the complex apparent power per phase at the source end of the line
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