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A power electronics package has been designed to handle 400W of power dissipation. Find out the change in output power handling capability of the power electronics package when efficiency is increased from 89% to 94%. Discuss briefly the importance of efficiency base on output power capability calculated.

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fabianb4235

Answer:

Explanation:

First we must find the real power that is dissipating for each of the two cases, this is achieved by multiplying the nominal power by the efficiency

P=Poη

P=power

Po=nominal power

η=efficiency

POWER NUMBER 1

P1=400*0.89=356W

POWER NUMBER 2

P2=400*0.94=376W

then we find the power change by subtracting both results

ΔP=P2-P1=376-356=20W

always ensure that the efficiency in any system is maximized, because it is always required that the amount of energy delivered by the system is maximum with the same input power.

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