Designing variable output power supply Project 2022

Objectives of the project: 1. To design, simulate and prototype a variable voltage power supply for a small DC motor. This remains unchanged 2. To use this supply to vary the speed of the motor. Cannot be completed physically and therefore it requires to be simulated. 3. To measure the speed of the motor with an opto-detector. As mentioned in step 2, on multisim replace your load with a simulated DC motor ( this is found in Electro_Mechanical > MACHINES) you can then measure its speed in RPM. 4. To compare two approaches. Perform this comparison based on your efficiency calculations and DC motor simulations. a. Variable voltage regulator b. MOSFET switched supply Steps 1 to 3 remain unchanged Step 4 physical construction of the circuit cannot be completed and therefore will not be evaluated Step 5 perform this step using the simulated DC motor (see objectives 2-4)