INVERTER

DESIGN AND ASSEMBLY OF 1.5KVA STAND-ALONE SOLAR POWER SYSTEM

Year of Publication
Publication Type
Abstract
The growing need for sustainable and renewable energy solutions has driven interest in solar power systems as an alternative to conventional electricity sources. This project, titled "Design and Assembly of a 1.5KVA Stand-Alone Solar Power System," aims to equip students with the essential knowledge required to build an efficient solar power system. It focuses on fundamental aspects such as load analysis, proper material sizing, and system integration to ensure optimal performance. The project outlines the step-by-step procedures involved in selecting and assembling key components, including solar panels, charge controllers, inverters, and batteries. A detailed approach to load analysis ensures that energy demands are accurately assessed, allowing for appropriate system design. The study also explores construction techniques, testing procedures, and performance evaluations to verify the system’s efficiency and reliability. By providing hands-on experience and theoretical insights, this project serves as a valuable educational tool for students, fostering a deeper understanding of solar energy applications and promoting sustainable energy solutions.
Supervisor(s)
co-supervisor

DESIGN AND CONSTRUCTION OF A 3KVA PURE SINE WAVE INVERTER CIRCUIT AND CHARGER SYSTEM WITH A DSPIC30F2010 MICRCONTROLLER

Year of Publication
upload
Publication Type
Abstract
Electricity could be regarded as one of humanity's most remarkable inventions since numerous other innovations and operations rely on it for their effective operation. The primary source of this vital energy typically originates from utility lines linked to various power stations, including hydroelectric ones. Nevertheless, the alternating current (AC) supply from utility lines is susceptible to fluctuations such as power surges, voltage deficits, complete outages, and substantial deviations in the electrical supply frequency. The inconsistent and undependable electricity provision from the Nigerian authorities, particularly in recent years, is a significant cause for concern among conscientious Nigerians. The energy stored in the battery undergoes a conversion process, transforming it from a direct current form into a sinusoidal alternating current (AC) output at a voltage of 220V using the inversion technique. An electronic oscillator is a type of electronic circuit responsible for generating a periodic, oscillating electronic signal, and this approach is employed. The DSPIC30F2010 microcontroller is utilized to attain a sinusoidal oscillating output. It generates pulse width modulated (PWM) output with a duty cycle that fluctuates in a sinusoidal pattern. While the inversion process is underway, the controller monitors various parameters, including battery level, overloads, the presence of AC mains, high temperatures, and numerous other features. A 16 by 2 liquid crystal display screen is employed to exhibit information regarding the inverter's status, the charge level of the battery, inverter voltage, mains voltage values, and frequency. A system has been developed, put into operation, and set up for converting 24V DC into 220V AC using rechargeable batteries. It operates more effectively when two 12V deep cycle batteries are connected in series, each with a capacity rating of 220 AH. This setup can maintain a consistent output of 220-240 volts for over 4 hours of continuous usage
Supervisor(s)
co-supervisor

DESIGN AND CONSTRUCTION OF A 5KVA INVERTER

Author(s)
Year of Publication
upload
Publication Type
Abstract
An inverter is an electronic device use to convert direct current (DC) to an alternating current (AC). The alternating current can be set at a required voltage and frequency, which depends totally on the transformer, control circuit (chipset) and switching use during the time of production. An inverter is essentially a household device that convert power stored in a battery, windmill, solar panel to power every household appliance within it load capacity. That is to say, it supplies AC power from a DC source. Solid state inverter does not have any moving part like motor and areused in wide range of applications, from small switching power supplies in computers to heavy electric utility high voltage DC applications that transport large amount of power. Also, an inverter performs the opposite function of a rectifier. When designing an inverter, there is one thing you want to be cautious of, which is; what appliances am I using with the inverter. After Designing, the circuit was divided into four stages which are the; Drivers stage, Buffering stage, Oscillation and the Output stage. All these stages put together make up a whole inverter
Supervisor(s)
co-supervisor