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Lecture 6. Nodal Analysis Section 4.1-4.4 Jack Ou , Ph.D. Definitions. Nodes. Branch. Essential Node. Step 1: Number of Nodal Voltage Equations. n e is essential nodes Number of nodal voltage Equations is n e -1. n e is 3 2 nodal voltage equations are required.

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Lecture 6

Lecture 6

Nodal Analysis

Section 4.1-4.4

Jack Ou, Ph.D.






Step 1 number of nodal voltage equations
Step 1: Number of Nodal Voltage Equations

  • ne is essential nodes

  • Number of nodal voltage Equations is ne-1

ne is 3

2 nodal voltage equations are required.


Step 2 designate a node as the reference node
Step 2: Designate a node as the reference node.

  • Suggestion: Select the node with the most branches.


Step 3 define the node voltage on the diagram
Step 3:Define the Node Voltage on the Diagram


Step 4 apply kcl
Step 4: Apply KCL

  • Sum Currents Away from Essential Node




Supernode
Supernode

  • When a voltage source is between two essential nodes, we can combine these nodes to form a supernode.