nodal_dummy - G i,i sum of all conductances attached to...

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Node Voltage Analysis — Dummy Version [EE305] As long as a circuit does not contain ideal voltage sources but rather only practical voltage and current sources as well as ideal current sources, we can apply the “Dummy Version” of the method that is based on a circuit’s topology and allows the setup of the system of equations with considerable less eFort. 1. Convert all practical voltage sources to equivalent current sources. 2. Select reference node. 3. Label all other nodes. 4. ±ill conductance matrix ( G –matrix) diagonal:
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Unformatted text preview: G i,i sum of all conductances attached to node i , counted positive 5. ±ill conductance matrix ( G –matrix) oF-diagonal: G i,j = G j,i sum of all conductances connecting nodes i and j , counted negative. Nodes that are not connected get a zero entry. 6. ±ill current vector: I i Sum of all dependent currents, i.e. from all current sources, ²owing to or from node i . Currents entering node i are counted positive. Currents leaving node i are counted negative. 7. Solve I S 1 I S 2 R 1 R 2 R 3 R 4...
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