Question

2 wattmeters measuring the power input to a 220 V 3 phase circuit indicate 110kW & 50 kW respectively.Calculate total power input.​

Answer 1

Answer:

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Answer 2

Explanation:

Given 2 wattmeters measuring the power input to a 220 V 3 phase circuit indicate 110 kW & 50 kW respectively. Calculate total power input.

• We need to find the total power input.
• So Given W1 = 110 KW
•                 W2 = 50 KW
•     So W1 – W2 = 110 – 50
•                          = 60 KW
•         W1 + W2 = 110 + 50
•                         = 160 KW
• Now we have
•                     tanφ = √3 (W1 – W2) / W1 + W2
•                              = √3 x 60 / 160
•                             = 0.6495
•              So φ = tan^-1 0.6495
•                       = 33.003 degree
•              Also Power factor = cosφ
•                                             = cos33
•                                            = 0.838

Reference link will be

https://brainly.in/question/22797947

https://brainly.in/question/42106884