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Power-Electronics-Simulations

A brief repository of some of my simulations in the domain of Power Electronics. All Simulations are done using MATLAB and Simulink.

NOTE: You need have simulink, simscape and simscape electrical installed as add-ons before you can run the codes in your system.

Questions -

Please find the respective solutions in the code section above.

  1. Obtain and present the simulation results of a 1f one quadrant AC-DC rectifier with the following specifications: Vin=36V, 50Hz, AC, Load = 200W at 0.6 pf, Firing angle 30° and 120°.

  2. Obtain and present the simulation results of a 1f two quadrant AC-DC rectifier with the following specifications: Vin=230V, 50Hz, AC, Load = 500W at 0.6 pf, Firing angle 30° and 120°.

  3. Obtain and present the simulation results of a battery charger which is used for residential PV applications. The specifications are: Vin=48V DC, Vo=24V, P0=96W, f=50kHz. Indicate the voltage and current ripple values that you have assumed for computing L and C.

  4. Obtain and present the simulation results of a residential fan regular with the following specifications: Vin=230V, 50Hz, AC, Load = 50W at 0.6 pf, Firing angle 30° and 60°.

  5. Obtain and present the simulation results of a power converter which is used for automotive HID lamps. The specifications are: Vin=12V DC, Vo=48V, P0=48W, f=50kHz. Indicate the voltage and current ripple values that you have assumed for computing L and C.

  6. Obtain and present the simulation results of a high-power AC-DC rectifier which is used to supply an industrial DC drive requiring forward motoring and regenerative braking operation. The specifications are: Load = 1kW at 0.5 pf, Firing angle 45° and 60°. The (Indian) standard AC supply value must be used for input voltage.

  7. Obtain and present the simulation results of a power converter which provides negative output across the load. The specifications are: Vin=48V DC, Vo=(-36V), P0=72W, f=50kHz. Indicate the voltage and current ripple values that you have assumed for computing L and C.

  8. Obtain and present the simulation results of a power converter which is used in residential UPS. The specifications are: Vin=24V, DC, V0 = 24V, 50Hz, Load = 250W at 0.8 pf.

  9. Obtain and present the simulation results of a power converter which is used in variable frequency drives. The specifications are: Vin=400V, DC, V0 = 400V, 50Hz, Load = 1500W. Simulate for both the operating modes of switch.