What is use of maximum power theorem?

If load resistance is increased, higher efficiency can be achieved. Efficiency is the percentage of input power that is dissipated in the load. The maximum power transfer theorem tells us the load resistance, which will get maximum magnitude of power delivered to it by the source.

Why do we use maximum power transfer theorem?

The purpose of the maximum power theorem is to find the optimal ratio of load impedance to source impedance for the purpose of power transfer.

What is the maximum power transfer theorem for DC circuits?

Similarly, Maximum power transfer theorem states that the AC voltage source will deliver maximum power to the variable complex load only when the load impedance is equal to the complex conjugate of source impedance. In this chapter, let us discuss about the maximum power transfer theorem for DC circuits.

How is maximum power transferred from source to load in DC?

In DC circuits, maximum power is transferred from the source to load when the value of load resisiotr is equal to the source or internal resistance of the circuit. This theorem can be solved by Thevenin’s equivalent circuit method or Norton’s equivalent circuit method.

What is an example of maximum power transfer?

Maximum Power Transfer Example Taking our Thevenin equivalent example circuit, the Maximum Power Transfer Theorem tells us that the load resistance resulting in greatest power dissipation is equal in value to the Thevenin resistance (in this case, 0.8 Ω): With this value of load resistance, the dissipated power will be 39.2 watts:

How to prove the maximum power transfer theorem with Multisim simulation?

Proof for maximum power transfer theorem with Multisim simulation is given below. You may note that when the value of the load resistor is 30Ω, you will get maximum power from the source. Estimate the value of the load resistor to transfer maximum power from the source.