AN EVALUATION OF THE DESIGN AND CONSTRUCTION OF 2KVA INVERTER
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1.2 Background of the Study
An inverter is an electronics device or circuitry that changes direct current (D.C) to Alternating current [AC].
The device make used of an in–built automatic circuit to achieve a complete automation of the entire system.
The input voltage, output voltage, frequency and overall power handling depend on the design of a specific device or circuitry.
An inverter is very important element that cannot be neglected in this Country as it is deeply fasten into the fabric of the society for the obvious reason of inadequate power supply.
It is an important element in homes to power household devices like electric bulbs, electric cooker, refrigerator, television set e.t.c.
It also finds applications in various places work/offices to power devices like air conditioners, computers e.t.c.
In spite of constant repair and efforts put forward by the stake holders in electricity industry to ensure stable power supply, yet the power generation and distribution across the country is very bad, low and it very far from being enough.
However power failure has resulted in people buying generators for their daily activities.
Businesses are not functioning due to failure of power supply.
These are the reason that make necessary of designing and construction of inverter and other standby system that can deliver maximum output power to the load.
Statistics have shown that the number of business that have been closed down simply because of power failure, cannot be over emphasized, so mankind need inverter seriously in other to restore technology development, business and medical controls.
However the background of the study lies within the reason why the construction of inverter should be forwarded the factor that increase the quality of inverter marketability.
Finally, the success of this study will beneficial to the society.
Mass production of inverters will lead to improve standard of living of the people and the nation will move forward in it pursuit of technology development (http://www.falana.tripid.com/tope/index.blog?entry id=195483copy).
1.2 PROBLEM OF STATEMENT
Faced with the problem of load power supply from supply authorities, noise pollution, air pollution, cost of the popular alternative, generator sets, there is need for a less noisy, pollution free and cheap solution to power problem.
Then, this project is to provides a back-up and power by 220v A.C input and change to D.C sources to charge a 12v battery and change back to AC source with a reliable power supply of 2000VA output to power a standard house/offices.
1.3 AIM AND OBJECTIVE
The aim of this project is to design and construct a 2KVA inverter with an inbuilt charging system that take a 220V input that will be charged when there is supply from mains and change to D.C and later change back to A.C with the operation of inverter with output of 2000VA to power a standard offices/house.
The Objective are:
• To design and construct an inverter that will be able to power essential loads in a house
• To provide a noiseless source of electricity generation
• To provide a source of electricity power with low maintenance cost and zero fuel cost
• To design and construct an alarm circuit that beeps when the load on the inverter is beyond the inverter capacity.
1.4 SCOPE OF THE PROJECT
The scope of this project based on the design and construction of a 2KVA inverter and its operation, with the output power rating of 2KVA an maximum 7.27A and output voltage of 220V AC sources from a 12v inbuilt battery. This project is basically designed for single phase domestic loads.