Design of Electric Machines

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

Basic construction schemes of electric machines, process of the design. Forms, protection, cooling. Relations of power, dimensions, speed and electromagnetic loading. Main dimensions and their determination. Design and realization of rotating electric DC and AC machine windings. Transformer windings. Principles and realization of magnetic circuits. Resistances and inductances determination. Heating calculation principles.

Requirements:

Syllabus of lectures:

1. Basic construction schemes of electric machines, process of the design

2. Forms, protection and cooling. Conditions and materials for the manufacturing

3. Relations of power, dimensions and speed. Design of machine series

4. Machines main dimensions. Influence of operating conditions

5. Principles and determination of DC and AC machine main dimensions

6. Principles and realizations of DC machine rotor windings

7. Design of DC machine rotor windings

8. Principles, realization and design of AC machine stator windings

9. Magnetic circuits of rotating electric machines

10. Resistances and inductances. Efficiency calculation

11. Ventilation design principles, Design of the fan

12. Heating calculation principles. Elements of mechanical detail design

13. Procedure of a transformer design

14. Transformer magnetic circuit and windings

Syllabus of tutorials:

1. Identification of rotating machines construction arrangement

2. Practical realizations of rotating machines forms and protection

3. Identification of cooling systems

4. Principal sketching of rotating electric machines

5. Relations between power, main dimensions and speed

6. Design of rotating machine main dimensions

7. Systematics of DC machine armature winding design

8. Design of DC machine armature design

9. Design of the AC machine stator winding. Goerges diagram

10. Winding Tingley´s scheme

11. Selection of transformer conception

12. Dimension design of transformer main details

13. Calculation of basic transformer parameters

14. Control of individual tasks. Assessment

Study Objective:

Study materials:

Literature will be specified by the lecturer

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Elektrické stroje, přístroje a pohony-inženýrský blok (compulsory elective course)
• Elektrické stroje, přístroje a pohony-inženýrský blok (compulsory elective course)