Electrical machines is a subject where a student will deal with various types of electrical machines which are employed in industries, power stations, domestic and commercial appliances etc. After studying this subject, an electrical degree holder must be competent to repair and maintain these machines and give suggestions to improve their performance. Practical aspects of the subject will make the students capable of performing various tests on the machines.
This module is taught in the year 2 ETE by Eng. Obed Muhayimana
The module entitled Digital Electronic Circuits aims at providing the students with further understanding of the working principles of electronic devices and circuits.
It covers Numbers and Systems, Logic Gates, Combinational Logic Circuits, Flip-flops, Registers and Counters, Semiconductor memories and Fundamentals of Sequential Circuits modes
A microprocessor is a multipurpose programmable logic device which reads the binary instructions from a storage device called ‘Memory’, accepts binary data 0’s and 1’s as input and process data according to the instructions stored in memory and gives the results as output.
It is the CPU of a Computer or brain of the computer. A computer that is built around a microprocessor is called a microcomputer. A microcomputer system consists of a CPU (microprocessor), memories and I/O devices, In this course, we will cover the following topics that will help students to understand the prime role of microprocessors in the digital world mainly in data processing as well as control applications i.e automation.
Warm welcome all to this module entitled NETWORK ANALYSIS AND SYNTHESIS. This module will provide to students the basic knowledge on time domain and frequency domain analysis of electric circuit. It covers synthesis of RL, RC, LC, RLC electric networks.
The main objective is to explain the analysis of electrical networks by using graph theory with the help of cut-set matrix, incident matrix and tie-set matrix.
Facilitator's contacts:
Names: Eng. Charles DUHUJAMAHORO
Title: Assistant Lecturer
Phone: 0726911377/0789431408
Email: gerigora@gmail.com
The module introduces the fundamental concepts of the classical analog modulation systems, associated theory of noise and radio transmitter and receivers. It also helps the students to learn in detail the building blocks of radio transmitters and receivers and noise performance of receivers.
Welcome to "EEE2261: Control Systems" Module for the Academic Year 2020/2021`
Electrical machines is a subject where a student will deal with various types of electrical machines which are employed in industries, power stations, domestic and commercial appliances etc. After studying this subject, an electrical degree holder must be competent to repair and maintain these machines and give suggestions to improve their performance. Practical aspects of the subject will make the students capable of performing various tests on the machines.
Indicative Content
UNIT I DC Generators
Magnetic circuits analysis; composite magnetic circuit; Parallel magnetic circuit; Magnetic circuit calculations; Leakage coefficient and B-H curve; Magnetic and electric circuit analogy.
Constructional features, Types of armature winding; action of the commutator; Factors determining induced EMF equation; Armature resistance; Significance of types of dc generators: shunt, series and compound; Types of losses in a dc generator; Condition for maximum efficiency; Armature reaction and its solution; Condition for voltage build-up; Characteristics of dc generators.
UNIT II DC Motors
Working principle; Generation and significance of back EMF; Voltage equation; Power equation; Condition for maximum power; Types of dc motor; Armature and shaft torque; Factors determining the electromagnetic torque; Losses in dc motor and motor efficiency; Performance and characteristics of different types of DC motors; Speed control of dc shunt/series motors;
DC motor starter (three point and 4 point starters); Applications of DC motors; Faults in dc machines and their retrospective
UNIT III Transformers (single phase)
Introduction; Constructional features of a transformer and parts of transformer; Working principle of a transformer; EMF equation; Transformer on no-load and its phasor diagram; Transformer on load (including voltage drops and its phasor diagram); Transformer – neglecting voltage drop in the windings – Ampere turn balance – its phasor diagram; Mutual and leakage fluxes, leakage reactance; Equivalent circuit; Relation between induced emf and terminal voltage, regulation of a transformer mathematical relation; Losses in a transformer; Open circuit and short circuit test. Calculation for efficiency, condition for maximum efficiency; Auto transformer construction, working and applications; Different types of transformers
UNIT IV Three phase Transformers
Construction of three phase transformer; Types of three phase transformer i.e. delta-delta, delta-star, star-delta and star-star; Conditions for parallel operation (only conditions are to be studied); Difference between power and distribution transformer
Learning and Teaching Strategy
The course is delivered mainly through lectures backed up by tutorial as well as practical sessions. The lecture includes interactive elements whereby students in groups apply principles to simple problems to ensure their involvement and so gain understanding. Hand-outs are used so that students can concentrate on the material of the lecture, but with gaps where students either have to fill in or make separate notes.
Problem sheets are given out to students and after time, the problems are discussed in class. Some of the problems will be handed in and then marked by peers to give formative feedback to fellow students.
The assignment will require the students to undertake some investigation on their own and to develop ideas and apply them. They will also produce a report for each.