design and construction of 45w audio power amplifier
A battery charger is an electrical device employed for charging batteries. This batteries that are usually charged by battery changer are the storage battery charger are the storage batteries also known as “accumulator” the battery changer changes. The alternating current form the power line into d.c suitable for charging. Continue Reading
the design and construction of an inverter
All modern engineering system includes certain aspects of control system at some point in their broadcast scenes, control engineering and the associated theory are concerned with the means of making system to behave in a desired may. The system on this thesis is a DC “ AC inverter which is an apparatus used in the conversion of direct current ... Continue Reading
construction of 4600mah power bank
This project involves the construction of 4600mAh power bank, it consists of three different modules which are; power storage module, battery charging module and phone charging module. All these modules consist of different circuit in other to perform their main functions.rnrnThe power storage module consist of pen batteries of 1.2V with 46... Continue Reading
design and construction a solar powered mobile phone charger
The aim of this research is to design and construct a solar powered mobile phone charger. More especially the objectives are:rn1) To design an electric circuit for the purpose of charging through the solar powerrn2) To carry out a design calculation so as to ascertain the duration for which the rechargeable battery will charge the mobile ph... Continue Reading
the design and construction of an arc welding machine
The machine is designed to serve with an output of 250A. it has two pats which are the primary and secondary parts. The primary part, through which voltage is supplied to the machine has 180 turns which is made of 2mm2 S.W.G 14 copper coil. The secondary part has 45 turns made of 4mm2 S.W.G 8 copper coil. Continue Reading
design and construction of an automatic voltage stabilizer
In the world today, the use of power supply in electronics equipment and gadgets has increased and it is still increasing. These power supplies are not stable as required by these electronics. This arise the need for the power stabilization as to overcome this problem Continue Reading
development of mobile app for monitoring stair climbing activities in a building
Climbing the stairs is one of the best exercises that can be done anywhere and anytime. Many health organizations recommend the public to take the stairs instead of waiting for the lifts. This is because there are many health benefits, such as improved cardiovascular system and strengthened muscles and joints, by taking the stairs. In this ... Continue Reading
an intelligent lead acid battery management system for solar and off-peak energy storage
This thesis proposes an intelligent battery management system (BMS) that is operated by the microcontroller. The system includes a solar cell array, DC-DC converter with maximum power point tracking (MPPT), a bi-directional inverter connected to the grid, and a graphical user interface (GUI) to monitor operation. Continue Reading
design and construction of voltage inverter system with trickle charging system
This project is he design and construction of a voltage inverter system with trickle charging system. This device is design to provide power supply for the need of offices, household etc. In absence of NEPA power supply. It would also prevent harm to our appliances caused by power holding company LTD (NEPA) Random power outage . Continue Reading
design and construction of power amplifier
The aim of this project is to construct power amplifier. The system is expected to amplify. The major components in the circuit is the integrated circuit (IC JRE with some circuit elements for the normal operation of the circuit. Continue Reading
construction of an automatic change over switch (3.7kva)
Due to inconsistent supply of power, there is a growing need for an alternative source of power supply. This has lead to heavy capital investment in a bid to suppress power failure and ensure regular power supply for the industry, hospitals, schools and homes. The problem of power failure can be checkmated with the use of stand-by generating set. Continue Reading
design and construction of a metal detector
The project work titled Design and construction of a metal detector. When fully design and implemented would be able to detect any metallic material that is passing or coming close. This function would serve as a security check for dangerous metallic material as an alarm. Going by the sophisticated means of armed rubbers adopt these days in the bre... Continue Reading
design and construction of a charging system using both solar energy invention in nigeria
In the world today, we are being challenged with the lag of energy that used to generate the electrical power, as the solution the exploration and development of alternative power become a global issue. Some of the alternative power such as solar energy produces the direct current (DC) from the solar panel. Most of the electrical appliances today u... Continue Reading
design and construction of a single phase auto-transformer of rating ikva, 240v/110, 80 12v, 6v
This project work-up deals on the design and construction of a single phase step down nations fermor, with raking IKVA, 240V/11OV, 80V 12U, 6V. It is a multi-circuit transformer that has one input as the primary and tappins to produce the output (secondary). It is considered as a single coil in series with the supply and a common coil to the head. ... Continue Reading
design and construction of 45w audio power amplifier
This thesis gives the account for the design and construction of a 45W Audio Power Amplifier with the objective of producing a reliable and cheaper amplifier that can be used in a household or stage. Continue Reading
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