Two wattmeters indicate 15 kW and 6 kW, respectively, when connected to measure the input power to a three-phase balanced load, the reverse switch being operated on the meter indicating the 6 kW reading. 1.1 Determine the input power 1.2 Determine the load power factor.

Two wattmeters indicate 15 kW and 6 kW, respectively, when connected to measure the input power to a three-phase balanced load, the reverse switch being operated on the meter indicating the 6 kW reading. 1.1 Determine the input power 1.2 Determine the load power factor.

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 2.9P: For the circuit shown in Figure 2.24, compute the voltage across the load terminals.

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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

1. Two wattmeters indicate 15 kW and 6 kW, respectively, when connected to measure the input
power to a three-phase balanced load, the reverse switch being operated on the meter indicating
the 6 kW reading.
1.1 Determine the input power
1.2 Determine the load power factor.

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