The following 3-phase loads are connected to a 3- phase 400 V, 50 Hz power supply: Load 1: Lighting load of P kW at unity P.F where P = 100 + NN and NN is the last two digits (from %3D right) of your registration number. Load 2: A 3-ph induction motor that draws 400 A at 0.8 lagging power factor. Find: 1- The total line current supplied by the source to feed these loads. 2- The leading power factor of the 300 kW synchronous motor that should be connected in parallel with these loads in order to to improve the power factor to be 0.96. 3- The line current supplied by the source to feed these loads after connecting the synchronous motor. 4- Does the synchronous motor supply or consume reactive power in this case of operation. Verify your answer.

The following 3-phase loads are connected to a 3- phase 400 V, 50 Hz power supply: Load 1: Lighting load of P kW at unity P.F where P = 100 + NN and NN is the last two digits (from %3D right) of your registration number. Load 2: A 3-ph induction motor that draws 400 A at 0.8 lagging power factor. Find: 1- The total line current supplied by the source to feed these loads. 2- The leading power factor of the 300 kW synchronous motor that should be connected in parallel with these loads in order to to improve the power factor to be 0.96. 3- The line current supplied by the source to feed these loads after connecting the synchronous motor. 4- Does the synchronous motor supply or consume reactive power in this case of operation. Verify your answer.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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