Solving Thevenin Equivalent with 1 Point & Ground

In summary, the conversation is about converting a given circuit into its Thevenin equivalent, with the difficulty arising from the lack of two points to work with and only one point and a ground being present. The person is seeking help in finding the Thevenin equivalent between the free end of R3 and the ground. The other person clarifies that there is a voltage source connected at the +5V end and provides a new drawing to find the Thevenin equivalent between points A and B.
  • #1
Mugged
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Hey I can't figure out how to convert the below circuit into its thevenin equivalent. I am used to having two points to work with, but in this circuit there is only one and a ground.

http://img715.yfrog.com/i/13332492.jpg/
for some reason the image doesn't show up on my screen; if that's the case for you, the link is below
http://img715.yfrog.com/i/13332492.jpg/

help appreciated!
 
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  • #2
Find the Thevenin equivalent between the free end of R3 and the ground.

ehild
 
  • #3
im still confused about the +5 V end, can you actually show me?
 
  • #4
There is a voltage source connected there. I made a new drawing, find the Thevenin equivalent between A and B.

ehild
 

Attachments

  • thevenin.GIF
    thevenin.GIF
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FAQ: Solving Thevenin Equivalent with 1 Point & Ground

1. What is Thevenin Equivalent with 1 Point & Ground?

Thevenin Equivalent with 1 Point & Ground is a method used to simplify complex electrical circuits in order to analyze and understand their behavior. It involves replacing the original circuit with a single voltage source and a single resistance, called the Thevenin equivalent, which can accurately model the original circuit's behavior at a specific point.

2. Why is Thevenin Equivalent with 1 Point & Ground important in circuit analysis?

Thevenin Equivalent with 1 Point & Ground allows for easier analysis of complex circuits, as it reduces the number of components and simplifies the circuit's overall structure. This makes it easier to understand the circuit's behavior and make necessary calculations for design and troubleshooting purposes.

3. How is the Thevenin Equivalent with 1 Point & Ground calculated?

The Thevenin equivalent is calculated by first removing the load component from the original circuit and finding the open-circuit voltage and short-circuit current at the desired point. The open-circuit voltage is then used as the voltage source value, and the short-circuit current is used to calculate the equivalent resistance, which is placed in series with the voltage source to form the Thevenin equivalent circuit.

4. What is the purpose of using 1 Point & Ground in Thevenin Equivalent?

The use of 1 Point & Ground in Thevenin Equivalent allows for a reference point to be established, making it easier to measure and calculate the desired voltage and current values at a specific point in the circuit. This simplifies the calculations and results in a more accurate representation of the original circuit's behavior.

5. Can Thevenin Equivalent with 1 Point & Ground be used for any type of circuit?

Yes, Thevenin Equivalent with 1 Point & Ground can be used for any type of circuit, as long as the circuit is linear and contains only independent sources and resistors. Non-linear components, such as diodes and transistors, cannot be modeled using this method.

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