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Articles 1 - 7 of 7
Full-Text Articles in Engineering
Dc-Dc Converter For Harvesting Energy From An Exercise Bike, Henry Ureh, Chris Henry
Dc-Dc Converter For Harvesting Energy From An Exercise Bike, Henry Ureh, Chris Henry
Electrical Engineering
Create an efficient buck-boost converter that adapts to input voltage range from ~3.8V to 70V, and outputs 13.7V DC, the voltage required by a charge controller to charge a battery. The energy stored in the battery will be supplied back to the grid.
The cost of energy saved by the converter should eventually cover the initial price of the converter. The converter should help reduce the net power consumption of the exercise machines used in the Cal Poly gym
Lab-Scale Thyristor Rectifier And Static Var Compensator Circuits, Haroun Idris, Ibrahim Idris
Lab-Scale Thyristor Rectifier And Static Var Compensator Circuits, Haroun Idris, Ibrahim Idris
Electrical Engineering
The purpose of this project is to design thyristor circuits by using single-phase FCRO 4100 firing board donated by ENERPRO. These circuits in conjunction with a thyristor module will be used for future lab experiments in power electronics courses.
The first part of this project is to study the full effect of a firing angle on a controlled single phase full bridge thyristor rectifier circuit. Furthermore, the resulting circuit setup will be implemented as part of future lab experiments in Power Electronics I course. The next purpose of this project is to design a small-scale Static VAR Compensator (SVC) lab …
Energy Harvesting From Elliptical Machines: Dc Converter Troubleshooting, Michelle Lum, Jonathan Yuen
Energy Harvesting From Elliptical Machines: Dc Converter Troubleshooting, Michelle Lum, Jonathan Yuen
Electrical Engineering
In continuing the global effort to integrate innovative technology and renewable energy in the world’s power system, Cal Poly endeavors to harvest energy from elliptical machines and feed that power back into the electrical grid. This continuation of the previous project, Energy Harvesting from Exercise Machines Self‐generating Elliptical Machines, seeks an alternative DC to DC converter to function within the existing elliptical self‐generating system. By attempting to implement this new DC to DC converter, the project strives to reduce the size of the converter in order to mount it on the elliptical machine. The project also tries to explain how …
Solar Panel Experiment, John Hauger
Solar Panel Experiment, John Hauger
Electrical Engineering
This senior project will focus on creating a suitable testing procedure for the provided solar panel system. The testing parameters will be based on the expected 60W output power of the system. The complete procedure will provide a thorough analysis of the power flow and overall efficiency of the system.
This senior project report will discuss the importance of this experiment in the Electrical Engineering curriculum, the system requirements and parameters tested in the design, and the provided results based on the test conditions. In addition, this report will include the complete testing procedure and recommendations for possible future additions …
Switching Circuit For A Permanent Magnet Dc Motor, Alex Boatman
Switching Circuit For A Permanent Magnet Dc Motor, Alex Boatman
Electrical Engineering
The project is a circuit that will basically supply current from the battery to the different stator coils at opportune moments. With a hall-effect sensor on the shaft as a feedback to a microcontroller, I was able to toggle switches based on the position of the shaft at the moments where we would be using as little power as possible. The operation of the control circuit works similar to a stepper motor; it takes a signal from the microcontroller that is sent to some FET drivers, which in turn sends signals to the FETs to open or close as the …
Overcurrent Coordination Study, Edwin Pho
Overcurrent Coordination Study, Edwin Pho
Electrical Engineering
No abstract provided.
1.5 Kw Pwm Bipolar Inverter, Michael Newbry, Percy Vigo
1.5 Kw Pwm Bipolar Inverter, Michael Newbry, Percy Vigo
Electrical Engineering
This report focuses on the design, construction, and testing of a PWM inverter capable of converting 1.5 kW. The purpose for the inverter is to convert DC solar energy to power an air conditioner. The inverter uses a bipolar control scheme which comes from a PIC microcontroller. This report contains the advantages and disadvantages of all the PWM control schemes. Furthermore, the testing shows bipolar inverter characteristics and a sample use of filters to obtain sinusoidal waveforms. The design of the circuit makes the inverter easy and safe to use and test.