Two wattmeters are used to measure power input to a 1.5 kV, 50 Hz, 3-phase motor running on full-load at an efficiency of 85 per cent. Their readings are 250 kW and 80 kW respectively. Calculate:
Two wattmeters are used to measure power input to a 1.5 kV, 50 Hz, 3-phase motor running on full-load at an efficiency of 85 per cent. Their readings are 250 kW and 80 kW respectively. Calculate:
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter7: Alternating Current, Power Distribution, And Voltage Systems
Section: Chapter Questions
Problem 12RQ
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Question
A. POWER INPUT
B. POWER FACTOR
C. LINE CURRENT
D. POWER OUTPUT
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![Two wattmeters are used to measure power input to a 1.5 kV, 50 Hz, 3-phase
motor running on full-load at an efficiency of 85 per cent. Their readings are 250
kW and 80 kW respectively. Calculate:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8de7194-8374-4fe6-b651-79491affa41b%2F792e9b12-8f67-4a2a-ade5-ef30919f4a1f%2Fqipbqrg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two wattmeters are used to measure power input to a 1.5 kV, 50 Hz, 3-phase
motor running on full-load at an efficiency of 85 per cent. Their readings are 250
kW and 80 kW respectively. Calculate:
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