Module C: Electromagnetic Devices Design

Magnetic field , force and torque. Induced voltage. Heating of electrical machines. Heat Transfer. The use of modern computer tools based on the finite element method to calculate magnetic, electrostatic and thermal fields. Losses in the core, windings and additional losses in electric machines.

Calculation of the core and windings of the transformer. Short circuit forces on transformer windings. Switch-on phenomenon in transformer. Different types of cooling systems. Basic tests of transformer. Atmospheric and switching over-voltages. Elements of power transformers protection.

Forms of excitation windings of rotating machines. Calculation of the windings of synchronous machines. Design of synchronous machine magnetic circuit.

Equivalent circuit of induction machine. Circle diagram of induction machine. Design of induction machine magnetic circuit.

Direct current machine winding design. The problem of commutation. Design of direct current machine.

Obtain detailed knowledge of the nature, design features and possibilities of the use of different types of electrical machines. The emphasis is on the practical knowledge that prospective designer and end user needs when selecting, sizing and use of electrical machines.

Lectures, tutorials included in lectures and laboratory work.

Laboratory exercises are with heightened risk (high voltage, rotating parts, …).

The course consists of 30 hours of lectures and 30 hours of laboratory exercises with heightened risk.