05-Nodal examples - Nodal Analysis Examples Fred Terry...

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1 Nodal Analysis Examples © Fred Terry Fall, 2008
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2 Nodal Analysis Example: Big Messy Nodal Example • Object: Find V ab • Step 1: Choose Grnd Node +- -+ 2V 9A (2 Ω -1 )v y 1 Ω 2 Ω 1 Ω (3 Ω )i x 2 Ω i x + _ v y a b V1 V2 V3 V4 D V5
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3 Nodal Analysis Example: Workpages +- -+ 2V 9A (2 Ω -1 )v y 1 Ω 2 Ω 1 Ω (3 Ω )i x 2 Ω i x + _ v y a b V1 V2 V3 V4
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4 Nodal Analysis Example: Workpages +- -+ 2V 9A (2 Ω -1 )v y 1 Ω 2 Ω 1 Ω (3 Ω )i x 2 Ω i x + _ v y a b V1 V2 V3 V4
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5 Nodal Analysis Example: Workpages +- -+ 2V 9A (2 Ω -1 )v y 1 Ω 2 Ω 1 Ω (3 Ω )i x 2 Ω i x + _ v y a b V1 V2 V3 V4
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6 Nodal Analysis Example • Grnd – Terminal of 2V Source • Label Nodes •N o t e t h a t V 1 =2V o t e t h a t V ab =V 2 • Note that Nodes 2-4 form a Supernode due to v-source +- -+ 2V 9A (2 Ω -1 )v y 1 Ω 2 Ω 1 Ω (3 Ω )i x 2 Ω i x + _ v y a b V1 V2 V3 V4
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7 Nodal Analysis 2 • Write KCL Equations – KCL at SN: – KCL at Node 3: • Conditions on Dependent Sources 0 1 2 1 4 3 1 2 2 = Ω + + Ω + Ω y v x i v v v V A v v v V 9 1 3 4 2 3 2 = Ω + Ω () 2 5 . 2 2 2
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This note was uploaded on 01/31/2011 for the course EECS 215 taught by Professor Phillips during the Spring '08 term at University of Michigan.

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05-Nodal examples - Nodal Analysis Examples Fred Terry...

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