Course syllabus
Course-PM
ENM056 ENM056 Electrical machines - design and analysis lp1 HT20 (7.5 hp)
Course is offered by the department of Electrical Engineering
Contact details
List of...
- examiner
- lecturer
- teachers
- supervisors
...along with their contact details. If the course have external guest lecturers or such, give a brief description of their role and the company or similar they represent.
If needed, list administrative staff, along with their contact details.
Course purpose
Short description of the course purpose and content: can be copied from syllabus in Studieportalen. Additional information can be added.
Schedule
Course literature
List all mandatory literature, including descriptions of how to access the texts (e.g. Cremona, Chalmers Library, links).
Also list reference literature, further reading, and other non-mandatory texts.
Course design
Description of the course's learning activities; how they are implemented and how they are connected. This is the student's guide to navigating the course. Do not forget to give the student advice on how to learn as much as possible based on the pedagogy you have chosen. Often, you may need to emphasize concrete things like how often they should enter the learning space on the learning platform, how different issues are shared between supervisors, etc.
Provide a plan for
- lectures
- exervises
- laboratory work
- projects
- supervision
- feedback
- seminars
Should contain a description of how the digital tools (Canvas and others) should be used and how they are organized, as well as how communication between teachers and students takes place (Canvas, e-mail, other).
Do not forget to describe any resources that students need to use, such as lab equipment, studios, workshops, physical or digital materials.
You should be clear how missed deadlines and revisions are handled.
Changes made since the last occasion
A summary of changes made since the last occasion.
Learning objectives and syllabus
Learning objectives:
- describe working principle and main parts of synchronous machines and induction machines, and manufacturing process of electrical machines.
- model electromagnetic excitation, permanent magnets, and lamination materials considering saturation.
- calculate magnetic flux, flux linkage, inductance and reluctance.
- calculate operating points of permanent magnets under no-load and load conditions of a permanent magnet synchronous machine.
- describe various type of windings, e.g. distributed and concentrated windings, single or multilayer windings, integer slot or fractional slot windings.
- draw the distribution of phase coils in slots of a three phase machine and calculate winding factors for both distributed and concentrated windings.
- design double-layer 3-phase windings including selection of coil turns, series and parallel branches, and wire strand with a proper Cu fill factor.
- calculate electromotive force (EMF) of a permanent magnet synchronous machine at no-load.
- describe different coordinate systems including three-phase and two-phase stationary coordinate systems, d-q rotating coordinate system.
- calculate inductances in d- and q-axis by using magnetic circuits for a permanent magnet synchronous machine and model permanent magnet synchronous machines in d-q coordinate system.
- design a permanent magnet synchronous machine for electric vehicle applications, calculate power, power factor, torque, copper losses, iron losses, and efficiency.
- draw equivalent circuit and calculate steady-state performance of induction machines and analyze the influence of circuit parameters on torque-speed curve of induction machines.
- perform a practical experiment in order to determine the equivalent circuit parameters of an induction machine and acquire relevant quantities during a start-up.
- describe the dynamic model of the induction machine in different coordinate systems, perform a simulation of the starting process using Matlab, and evaluate the simulated results with the measurements.
- draw phasor diagram and control reactive power by field current in a synchronous generator.
- describe different kinds of traction motors and discuss their features.
- identify the ethical aspects needed to be considered in design and use of electrical machines.
Link to the syllabus on Studieportalen.
If the course is a joint course (Chalmers and Göteborgs Universitet) you should link to both syllabus (Chalmers and Göteborgs Universitet).
Examination form
Description of how the examination – written examinations and other – is executed and assessed.
Include:
- what components are included, the purpose of these, and how they contribute to the learning objectives
- how compulsory and/or voluntary components contribute to the final grade
- grading limits and any other requirements for all forms of examination in order to pass the course (compulsory components)
- examination form, e.g. if the examination is conducted as a digital examination
- time and place of examination, both written exams and other exams such as project presentations
- aids permitted during examinations, as well as which markings, indexes and notes in aids are permitted
Do not forget to be extra clear with project assignments; what is the problem, what should be done, what is the expected result, and how should this result be reported. Details such as templates for project reports, what happens at missed deadlines etc. are extra important to include.
Course summary:
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