Courses with Gaps

Management decision making. Functions of management planning, organisation, staffing, directing and controlling. Financial management. Principles of extension: diffusion, adoption and rejection of innovations. Communication and leadership in agricultural extension.

Energy and civilization, fossil fuels: availability and depletion, Nuclear Energy, Global Warming, Green and Renewable Energy Sources. Estimates of energy costs, components of electric grid, electric energy outlook in Nigeria. Distribution and generation technologies and economics. Fundamentals of Solar Power Systems Photovoltaic Power Conversion, Photovoltaic Material, Modelling of Photovoltaic Systems, Design of Photovoltaic Systems, Concentrated Solar Power. Fundamentals of wind power systems wind power conversion, modelling of wind power systems, design of wind systems. hydrogen energy, energy storage and other renewable energy sources. Integration of distribution and generation into the grid dc/ac inverters, analysis of dc/ ac inverter dc/dc converters, design of converters for grid operation. Impact of distribution and generation on power system operation, voltage variations circuit, overloading system protection, ride through and fault mitigation, power quality disturbances.

Review of single-stage transistor amplifiers using BJT and FET equivalent circuits and calculation of current gain, voltage gain, power gain, input and output impedance. Operational amplifiers: description, parameters and applications. Feedback, broadband and narrowband amplifies. Power amplifiers. Voltage and current stabilizing circuits. Voltage amplifiers, multi storage amplifiers using BJTs and FETs.

Single-stage transistor amplifiers using BJT and FET Equivalent circuits and calculation of current gain, voltage gain, power gain, input and output impedance. Operational Amplifiers: Description, parameters and applications. Feedback, broadband and narrowband amplifiers. Power amplifiers. Voltage and current stabilizing circuits. Voltage amplifiers, multi storage amplifiers using BJTs and FETs.

Fundamental concepts: Electric fields, charges, magnetic fields. current, B-H curves Kirchhoff’s laws, superposition. Thevenin, Norton theorems, Reciprocity, RL, RC, RLC circuits. DC, AC bridges, Resistance, Capacitance, Inductance measurement, Transducers, Single phase circuits, Complex j - notation, AC circuits, impedance, admittance, susceptance.

Fundamental concepts: Electric fields, charges, magnetic fields. current, B-H curves Kirchhoff’s laws, superposition. Thevenin, Norton theorems, Reciprocity, RL, RC, RLC circuits. DC, AC bridges, Resistance, Capacitance, Inductance measurement, Transducers, Single phase circuits, Complex j - notation, AC circuits, impedance, admittance, susceptance.

Fundamental concepts: Electric fields, charges, magnetic fields. current, B-H curves Kirchhoff’s laws, superposition. Thevenin Norton theorems, Reciprocity, RL, RC, RLC circuits. DC, AC bridges, Resistance, Capacitance, Inductance measurement, Transducers, Single phase circuits, Complex j - notation, AC circuits, impedance, admittance, and susceptance.

DC circuits: definition of electric circuit, linear circuit, non-linear circuit, bilateral circuit, unilateral circuit, dependent source, node, branch, active and passive elements, Kirchhoff’s laws, source equivalence and conversion, network theorems-superposition theorem, Thevenin’s theorem, Norton theorem, maximum power transfer theorem, star-delta conversions. Magnetic circuits: the concept of magnetic circuit, B-H curve, analogous quantities in magnetic and electric circuits, Faraday’s law, iron losses, self and mutual inductance, energy stored in magnetic field. AC single phase circuits: sinusoidal quantities, average and RMS values, peak factor, form factor, phase and phase difference, concept of phasor diagram, V-I relationship in R,L,C circuit, combination R,L,C in AC series, parallel and series parallel circuits with phasor diagrams, impedance and admittance, power factor, power in AC circuit, resonance in RLC series and parallel circuit, Q factor, bandwidth of resonant circuit. Three phase circuits: voltages of three balanced phase system, delta and star connection, relationship between line and phase quantities, phasor diagrams. Power measurement by two-watt meters method. DC machines: construction, basic concepts of winding (lap and wave). DC generator: principle of operation, EMF equation, characteristics (open circuit, load). DC motors: principle of operation, torque equation, speed torque characteristics (shunt and series machine), starting (by 3 point starter), speed control (armature voltage and field control).Single phase transformer: constructional parts, types of transformers, emf equation, no load no load and on load operation, phasor diagram and equivalent circuit, losses of a transformer, open and short circuit tests, regulation and efficiency calculation. Three phase induction motor: types, construction, production of rotating field, principle of operation, slip and frequency, rotor emf and current, equivalent circuit and phasor diagram, torque slip characteristics, torque-speed characteristics, starting of induction motor by star delta starter and( DOL starter). Speed control of three phase induction motor by variation of supply frequency, supply voltage and number of poles. General structure of electrical power system: power generation to distribution through overhead lines and underground cables with single line diagram, earthing of electrical equipment, electrical wiring practice.

Basic machines – DC, synchronous alternators, transformers, equivalent circuits. Three- phase balanced circuits, PN junction diode, BJTs, FETs, thyristors, communications fundamentals, introduction of TV, Radio, Telephone systems. EEE 204 Electrical Engineering Materials (3 Units C: LH 45) Learning Outcomes Students will be able to: 1. discuss electron conduction mechanisms in semiconductors; 2. explain transport phenomena in semiconductors; and 3. describe semiconductors device fabrication techniques. Course contents Free electron motion in static electric and magnetic fields, electronic structure of matter, conductivity in crystalline solids. Theory of energy bands in conductors, insulators and semiconductors: electrons in metals and electron emissions; carriers and transport phenomena in semiconductors, characteristics of some electron and resistors, diodes, transistors, photo cell and light emitting diode. Elementary discrete devices fabrication techniques and IC technology. 300 Level

Power factor, Power in AC circuit, Resonance in RLC series and parallel circuit, Three Phase Circuits: Voltages of three balanced phase system, delta and star connection, relationship between line and phase quantities, phasor diagrams. DC Machines: Construction, Basic concepts of winding (Lap and wave); DC generator: Principle of operation, EMF equation, characteristics (open circuit, load) DC motors: Principle of operation, Torque Equation, Speed Torque Characteristics (shunt and series machine); Single Phase Transformer: Constructional parts, Types of transformers, Emf equation, No Load no load and on load operation, phasor diagram and equivalent circuit, losses of a transformer, regulation and efficiency calculation; Three Phase Induction Motor: Types, Construction, production of rotating field, principle of operation, Slip and Frequency, rotor emf and current, Equivalent circuit and phasor diagram, Torque Slip characteristics torque-speed characteristics; General Structure of Electrical Power System: Power generation to distribution through overhead lines and underground cables with single line diagram, Earthing of Electrical Equipment, Electrical Wiring Practice.