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# Lecture 6 - PowerPoint PPT Presentation

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

Nodal Analysis

Section 4.1-4.4

Jack Ou, Ph.D.

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.

• Suggestion: Select the node with the most branches.

Step 3:Define the Node Voltage on the Diagram

• Sum Currents Away from Essential Node

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