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Voltage Source Battery Resistance

The Maximum Power Transfer Theorem describes how to configure a voltage source and load resistance to achieve maximum power transfer. The power transferred from the source to the load depends on the load resistance value. Maximum power transfer occurs when the load resistance equals the internal resistance of the voltage source. Differentiating the power expression with respect to load resistance and setting it equal to zero shows that maximum power is achieved when load and internal resistances are equal.

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Brett Hendricks
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59 views1 page

Voltage Source Battery Resistance

The Maximum Power Transfer Theorem describes how to configure a voltage source and load resistance to achieve maximum power transfer. The power transferred from the source to the load depends on the load resistance value. Maximum power transfer occurs when the load resistance equals the internal resistance of the voltage source. Differentiating the power expression with respect to load resistance and setting it equal to zero shows that maximum power is achieved when load and internal resistances are equal.

Uploaded by

Brett Hendricks
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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w-Maximum Power Transfer Theorem

Suppose we have a voltage source or battery that's internal resistance is Ri and a load resistance RL is
connected across this battery. Maximum power transfer theorem determines the value of resistance RL
for which, the maximum power will be transferred from source to it. Actually the maximum power,
drawn from the source, depends upon the value of the load resistance. There may be some confusion let

us clear it.

To find the maximum power, differentiate the above expression with


respect to resistance RL and equate it to zero. Thus,

Thus in this case, the


maximum power will be transferred to the load when load resistance is just equal to internal resistance
of the

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