An enterprise with a supply voltage of 220/380 V consumes 350 kW of active power under a power factor of 0.8. Provided that this power remains constant, it is desired to increase the power coefficient to 0.95. a) Find the required capacitor power. b) Calculate the active and reactive components of the current drawn from the network before and after compensation. c) Considering that the energy is transmitted to this facility from a distance of 350 meters by a copper line with a cross section of 3x70 mm2; Calculate the longitudinal voltage drop and active power loss on the line before and after compensation (Kcu = 56 and x = 0.4 ohm/km for the line).

An enterprise with a supply voltage of 220/380 V consumes 350 kW of active power under a power factor of 0.8. Provided that this power remains constant, it is desired to increase the power coefficient to 0.95. a) Find the required capacitor power. b) Calculate the active and reactive components of the current drawn from the network before and after compensation. c) Considering that the energy is transmitted to this facility from a distance of 350 meters by a copper line with a cross section of 3x70 mm2; Calculate the longitudinal voltage drop and active power loss on the line before and after compensation (Kcu = 56 and x = 0.4 ohm/km for 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 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

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