Maximum power transfer


by Maylis
Tags: maximum, power, transfer
Maylis
Maylis is offline
#1
Feb20-14, 02:09 AM
P: 253
Hello,

I was wondering, why is it that when calculating the maximum power transfer, the source voltage is the thévenin voltage, and not the actual source?

What we call the load is arbitrary, no?
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NascentOxygen
NascentOxygen is offline
#2
Feb20-14, 04:43 AM
HW Helper
P: 4,717
Some of the signal is "lost" in that Thévenin resistance, the remainder appears across the external load. Sometimes we wish to maximize the power into the load.


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