9,851)
The main aim of any electric power supply in the world is to provide uninterrupted power supply at all times to all its consumers. Although, in developing countries, the electric power generated to meet the demands of the growing consumers of electricity is insufficient, hence power instability and outage. Power instability or outage in… Continue Reading
9,852)
Power system planning is a vast and important issue for operation and expansion of power delivery. One of the basic objectives of planning is to determine the right schedule for investment in new devices which ensures secure and economic power delivery for predicted customer demand. System planning also addresses the question of reliable… Continue Reading
9,853)
In our present society, wireless communication has become most prevalent and mobile units (hand held devices /GSM/ Computers) are one of the most common equipments for conveying messages wirelessly. Owing to the fact that most youths in our society today on the average make use of at least one wireless device that communicate with other… Continue Reading
9,854)
This project work was embarked on the construction and determination of the efficiency of 12 volts DC fan using two N3055 transistor, 1kΩ variable resistors, resistors, breadboard, veroboard, 12 volts DC battery and connectors at Science Laboratory Technological Department, Federal Polytechnic Offa, Nigeria. This is always required to… Continue Reading
9,855)
The aim of this project is to shows the possibility of wireless power transfer through the design of a wireless charging pad. In this project write-up, the methodology and principle of operation is wireless power transfer through inductive couple, a feasible design is modelled accordingly. The inductive couple technique is used because it is the… Continue Reading
9,856)
This project work centered on construction of 12V/10A solar charge controller that is needed in photovoltaic system to safely charge regulate and discharge of sealed lead acid battery through DC load. Solar charge controller is devices that regulate solar photovoltaic power and prevent overcharging, over discharging or overflow of current… Continue Reading
9,857)
The Airbeetle-18 unmanned Aircraft is an Aircraft design for the purpose of surveillance following the fact that the parent Airbeetle-18 has almost reached the end of its life time. Hence, there is need to convert it to an unmanned aircraft in other to extend its service life time. A comprehensive literature review was carried out on… Continue Reading
9,858)
TABLE OF CONTENTS Page ABSTRACT ……………………………………………………………………………..iii ACKNOWLEDGEMENTS……..………………………………………………………..iv LIST OF ILLUSTRATIONS………………………………………………………….…vii SECTION 1.… Continue Reading
9,859)
The household lighting cost accounts for 10% of the electric bill, changing the light bulbs effectively can reduce the long term energy costs significantly. In Nigeria, where less than one percent of the population has access to 24 hours of interrupted power supply there is a need for a complementary, renewable source of light which provides… Continue Reading
9,860)
A smoke detector is a device that senses smoke typically as an indicator of fire or non- smoking zone. In order to ensure human safety and safeguard property against fire in both domestic and commercial settings, different solutions for smoke detection have been developed, a comprehensive literature was carried out on smoke detector,… Continue Reading
9,861)
Automatic voltage inverter is an important area in power system engineering. It is the process of using a 12v DC from the battery to achieve a 220/230V AC through the help of oscillator, drivers, power transistors and transformer. The stages are battery to oscillators, oscillators to drivers, drivers to power transistors then… Continue Reading
9,862)
The AVR is automatic voltage regulator and it is a device which is used to regulate or stabilize electrical power supply for electrical or electronic appliances In this project, therefore, we are interested in the construction of this all important device. Furthermore, we shall discuss the techniques, processes, switching… Continue Reading
9,863)
The energy generation and power consuming loads at Brass LNG facility located in Brass Island, Bayelsa State Nigeria were analyzed and compared with expected demand changes and means of minimizing cost and greenhouse gas emission were also proffered with wind and solar energy penetration into the overall power mix . The wind and solar hybrid power… Continue Reading
9,864)
This project is titled the construction of a DC to AC inverter system. It is constructing to meet up with the power demand in the offices and in homes in the absence of power supply from the power holding company of Nigeria, PHCN. In order words the device / item serves as a substitute for PHCN which almost monopolises the power supply to… Continue Reading
9,865)
In this project we designed a solar powered computer control system for electrical machines and spark ignition engines. It is made up of a hardware device that comprises of various electrical components which are powered by a 25W solar panel. The power cord of the machines are modified and connected to the hardware and the … Continue Reading
9,866)
Adding to the requirement and need for power supply for day to day activities, it is therefore a necessity to design the power system to maintain minimal technical losses in the network, because most of our system component lack sufficient reactive power ability, this mean that the penetration of distributed generation (DG) will give way to reduce… Continue Reading
9,867)
No one form of power can sustain a nation. The ever increasing demand for electrical power has arisen from our lifestyles with revolves around electric power to speed up processes of development such as manufacturing, service provision and general well being of man. The need for the provision of quick but minute energy to prevent the… Continue Reading
9,868)
This project work has covered the design of an automatic security lighting system for ATBU, Yelwa Campus. Requirements for illuminance, type of fittings, power dissipation and mounting height were put into consideration. An electronic model of the campus was built with the streets outlined and lamps fixed at positions along the streets… Continue Reading
9,869)
Electronic Digital message display Board is an electronic gadget that is capable of displaying length of alphanumeric characters, symbols and any form of representation on a matrix of light emitting diodes (LED) scrolling the characters across the screen for information disemination. This project set out to solve the problem of inadequate… Continue Reading
9,870)
Electricity companies typically possess numerous units and they need to commit unit because electricity cannot be stored in a large-scale system and demand is a random variable process fluctuating with the time of the day and the day of the week. A problem that must be frequently resolved by electricity utility is to economically… Continue Reading
9,871)
A switch is an imperative constituent of any electronic or electrical circuit. It can either be mechanical, electro-mechanical or electronic. Mechanical and electro mechanical switches are prone to wear and tear with time. The introduction of semiconductors has led to the invention of electronic switches that are more efficient, fast and… Continue Reading
9,872)
Optimal capacitor placement is concerned with the optimal location of capacitors in a distribution system such that energy losses are reduced to a minimal value and the voltage profile and power factor of the system is improved. The reactive power can be controlled in order to improve the voltage profile and minimize the system loss.… Continue Reading
9,873)
Industrial drive applications are generally classified into constant-speed and variable-speed drives. Traditionally, AC machines have been used in constant-speed applications and DC machines were preferred for variable-speed. Induction machine with drive systems are widely used in applications such as pumps, paper and textile mills,… Continue Reading
9,874)
The power system is a highly nonlinear system that operates in a constantly changing environment; loads, generator outputs, voltage controllers, transmission lines, topology, and key operating parameters change continually. The behavior and output of the generators can be affected in a transient conditions. This transient condition can change the… Continue Reading
9,875)
The conversion of an input AC power at a given frequency and voltage to an output power at different frequency and voltage can be obtained with static circuits called power converters, containing controllable power electronic devices. Various power converters have been developed to fulfill the requirements of the wind power generation.… Continue Reading