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Simulation 1 Aim: Determine the true power dissipated in the load of a single-phase half-wave rectifier fed from a 220 V 50 Hz supply. The load resistor is equal to the last two numbers of your student number + 10 ohm. [25] Simulation 2 Aim: Determine the true power dissipated in the load of a single-phase bridge rectifier fed from a 220 V 50 Hz supply. The load resistor is equal to the last two numbers of your student number + 10 ohm. [25] Simulation 3 Aim: Determine average voltage over the load of a single-phase half-wave rectifier fed from a 220 V 50 Hz supply. The load consists of a 100 mH inductor with a 100 internal resistance. [25] Simulation 4 The fourth simulation is by far the most difficult of the four simulations and will take quite some time to complete. Aim: Determine the relationship of the average output voltage against the delay angle of a single-phase half-wave-controlled rectifier fed from a 220 V 50 Hz supply. The load consists of a 90 mH inductor with a 9 internal resistance with a commutating diode in parallel to the load. Use a thyristor as the rectifying element. Use an 18° interval for alpha. The range of alpha stretches from O up to 180°. Plot the graph of the output voltage versus the delay angle alpha for both the mathematical and simulation models on the same set of axes using Excel (25)
Each simulation must be done using this format: 1. Aim 2. Mathematical Modelling Circuit Waveforms Derivation Results 3. Simulation Modelling Schematic Waveforms with Annotated Measurements 4. Tabulated results Results must be tabulated and with % errors between mathematical and simulation modelling calculated and indicated. 5. Discussion Discuss the method followed, results obtained and reason for error percentage. 6. Conclusion The conclusion must be erudite and must refer to the aim.