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).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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).
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