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Lecture Series – 8
Solving RLC Series Parallel
Circuits using SIMULINK
Shameer Koya
R L and C
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Series RLC Circuit
ď‚— Kirchhoff's voltage law
ď‚— Substituiting the voltage equations
ď‚— differentiating and dividing by L
ď‚— Can be expressed in the general form
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attenuation angular resonance frequency
RLC Response
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Series RLC Using Simulink
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Simulink model
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ď‚— Change the R values and check the change in result.
ď‚— Make a simulink model of RLC Parallel circuit
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Series parallel Circuit
ď‚— RL and RC circuits in parallel
ď‚— I = I1 + I2
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Simulink model
RL circuit RC circuit
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Simpowersystem
ď‚— SimPowerSystems is physical modeling tools
for MATLAB Simulink to model electrical
systems.
ď‚— Library for simpowersystem is available in Simulink
Library Browser
ď‚— Alternate method:
 by entering the following command at the MATLAB®
prompt.
>>powerlib
ď‚— 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 ??

Matlab solving rlc circuit