Answer to Question #200323 in Electrical Engineering for Hatdok

Question #200323

A 228V constant potential generator delivers load to a variable impedance whose values of R and X 

are readily adjustable. Assuming a looking-back impedance of (6+j4.5) ohms calculate, for maximum 

power,

a. The load impedance

b. The current

c. Load power

d. power factor


1
Expert's answer
2021-05-31T06:21:55-0400

a) For maximum power transfer the load impedance "=6-j4.5"


b) The current "=228\/12= 19A"


c) The load power"=I^2R=19^2\\times6=2166W"


d) The load power factor is "Cos(tan^{-1}(4.5\/6) )=cos36.86\\degree=0.8lead"

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Comments

Hatdok
31.05.21, 13:40

In solving current, how you arrivedget that 12 as your resistance?

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