wo wattmeters are connected to measure the input to a 400 V, three-phase delta connected load consuming 24.4 kW at a power factor of 0.4 lag. Calculate (a) the per phase impedance of the load in (R+jX) Ω form. (b) readings of each of the wattmeters.

wo wattmeters are connected to measure the input to a 400 V, three-phase delta connected load consuming 24.4 kW at a power factor of 0.4 lag. Calculate (a) the per phase impedance of the load in (R+jX) Ω form. (b) readings of each of the wattmeters.

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 2.48P

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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

Two wattmeters are connected to measure the input to a 400 V, three-phase delta
connected load consuming 24.4 kW at a power factor of 0.4 lag. Calculate
(a) the per phase impedance of the load in (R+jX) Ω form.
(b) readings of each of the wattmeters.

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