Electric Machines

Higher education teachers: Miljavec Damijan

Subject description

Prerequisits:

• Subscription in second year of university study.

Content (Syllabus outline):

A common base of electric machines: the nominal data types and operation of electrical machines, magnetic field, induced voltage, electromagnetic torque, losses and efficiency, heating of electrical machines, electromagnetic compatibility. Addressing basic electrical machines: transformers, autotransformatorji, synchronous machines, induction machines and commutator machines. Presentation and discussion of modern electrical machines and their use at electricity generation using renewable energy, automation of industrial processes, transport vehicles - hybrid vehicles, robotics, superconducting systems, power tools and micro-electromechanical systems.

Objectives and competences:

• The aim of this course is to gain theoretical knowledge needed to understand the basic concepts of electrical machines and principles of operation of various types of electrical machines.
• Knowledge of the basic electric machines circuit models and input-output characteristics of electrical machines.
• Understanding of basic tests in the field of electrical engineering. Provide guidance for understanding the operational problems of electrical machines.

Intended learning outcomes:

• The student will understand the basics of electromechanical energy conversion and basic concepts of torque and mechanical equilibrium.
• Principles of operation of electric generators and motors. Understand the basic characteristics of various types of electrical machines.
• Faced with the problems of construction and design of electrical machines.
• Understand the simple tests of electromechanical devices and the field of use for individual type of electrical machine.

Learning and teaching methods:

• Lectures, tutorials and laboratory work.
• Laboratory exercises are with heightened risk (high voltage, rotating parts, ...).
• The course consists of 45 hours of lectures 15 hours of tutorial and 30 hours of laboratory exercises with heightened risk.

Study materials

• Damijan Miljavec, Peter Jereb: Električni stroji – temeljna znanja, Ljubljana, 2008
• Stephen J. Chapman, Electric Machinery Fundamentals, McGraw-Hill Higher Education; 5 edition, 2011
• Austin Hughes, Bill Drury:Electric Motors and Drives: Fundamentals, Types and Applications, Newnes, 4th Revised edition edition, 2013
• Dino Zorbas, Electric Machines, Nelson Engineering , 2014
• P. C. Sen, Principles of Electric Machines and Power Electronics, John Wiley & Sons; 3rd Edition, 2013