LCT8-TheoremsSuperposition.pdf

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Electrical

ENGINEERING

INTRODUCTION TO

CIRCUIT ANALYSIS

8. Network Theorems 1.

Superposition

Prof. dr hab. in Ň . Tadeusz Skoczkowski

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Electrical energy ideal sources

No matter what the value of the current i(t),

the voltage v(t) is always equal to vs(t). The

current depends upon the circuit into which

the voltage source is connected.

The current is independent of the voltage.

The source does not constrain the voltage.

The voltage is determined by the circuit

into which the current source is connected

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Number of nodes

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Number of nodes

Grounded node

Floating node

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Independence and solvability

The equations are soluble provided that

when the network is deactivated,

by replacing every current source by an

open-circuit, then every node should have

a path to the reference node through one

or more resistors.

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