Electrical Engineering › Section E · Methods of analysis (dc) › Topic E.4
Nodal analysis
Nodal analysis makes the voltages at a circuit's nodes the unknowns and writes KCL at each one. It usually needs the fewest equations of any method, it works for every circuit, planar or not, and it is the basis of the simulators engineers use every day.
In this topic
- Voltages as the unknowns
- Reference node and branch currents
- The general approach
- Worked example: the three-mesh circuit again
- The format approach
- Worked example: two current sources
- Voltage sources and supernodes
- Worked example: a supernode
- Solving and simulating
- Common mistakes to avoid
- Key takeaways
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