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Lecture Series – 8
Solving RLC Series Parallel
Circuits using SIMULINK
Shameer Koya

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R L and C
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Series RLC Circuit
 Kirchhoff's voltage law
 Substituiting the voltage equations
 differentiating and dividing by L
 Can be expressed in the general form
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attenuation angular resonance frequency

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RLC Response
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Series RLC Using Simulink
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Simulink model
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 Change the R values and check the change in result.
 Make a simulink model of RLC Parallel circuit
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Series parallel Circuit
 RL and RC circuits in parallel
 I = I1 + I2
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Simulink model
RL circuit RC circuit
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Simpowersystem
 SimPowerSystems is physical modeling tools
for MATLAB Simulink to model electrical
systems.
 Library for simpowersystem is available in Simulink
Library Browser
 Alternate method:
 by entering the following command at the MATLAB®
prompt.
>>powerlib
 This command displays a Simulink window showing icons
of different block libraries.
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Some commonly used blocks
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Example
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Thanks
Questions ??