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Modeling Scenario

1-077-RLMSimSeriesCircuit-ModelingScenario

Author(s): Virgil Ganescu

Keywords: Measurement circuit voltage current validation SPICE RL circuit Multilsim

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Abstract

Resource Image In this validation setup, the first order linear ordinary differential equation governing a small signal RL series AC circuit is solved analytically and the results are compared with the data acquired from analyzing the numerical model (using Multisim).

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Article Context

Description

This is compared to an investigation of the actual physical prototype (on protoboard) of the circuit.

An inductor in an electrical circuit ``opposes'' the flow of current through it. An ideal inductor has no resistance or capacitance associated with its coil windings. A series RL (Resistance Inductance) small AC (Alternating Current) circuit consists of an AC source connected in ``series'' with a resistor (of resistance R) arranged in ``series'' with an inductor of inductance L.

This modeling and validation experiment consists of three parts.

Part I: Analytically solving the governing equation of the circuit

Part II: Determining is(t) using modeling software Multisim

Part III: Determining is(t) from an actual/physical prototype of the circuit

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Authors

Author(s): Virgil Ganescu

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