45. A 3-phase, 5 kW induction motor has a p.f. of 0.75 lagging. A bank of capacitors is connected in delta across the supply termi- nals and p.f. raised to 0-9 lagging. The KVAR rating of capacitors connected in each phase is (i) 1-672 kVAR (ii) 0-578 KVAR (iii) 0-663 kVAR (iv) 3-728 kVAR

45. A 3-phase, 5 kW induction motor has a p.f. of 0.75 lagging. A bank of capacitors is connected in delta across the supply termi- nals and p.f. raised to 0-9 lagging. The KVAR rating of capacitors connected in each phase is (i) 1-672 kVAR (ii) 0-578 KVAR (iii) 0-663 kVAR (iv) 3-728 kVAR

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter26: Three-phase Circuits

Section: Chapter Questions

Problem 3PA: You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a...

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

45. A 3-phase, 5 kW induction motor has a p.f.
of 0-75 lagging. A bank of capacitors is
connected in delta across the supply termi-
nals and p.f. raised to 0-9 lagging. The
KVAR rating of capacitors connected in each
phase is
(i) 1.672 kVAR (ii) 0-578 kVAR
(iii) 0-663 kVAR
(iv) 3-728 kVAR

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