Politecnico di Torino
Politecnico di Torino
Politecnico di Torino
Academic Year 2009/10
Electrical machines
1st degree and Bachelor-level of the Bologna process in Computer Engineering - Torino
1st degree and Bachelor-level of the Bologna process in Electronic Engineering - Torino
1st degree and Bachelor-level of the Bologna process in Telecommunication Engineering - Torino
Teacher Status SSD Les Ex Lab Tut Years teaching
Boglietti Aldo ORARIO RICEVIMENTO PO ING-IND/32 4 1 0 0 11
SSD CFU Activities Area context
ING-IND/32 5 D - A scelta dello studente A scelta dello studente
Objectives of the course
The aim of the course is to give to the student the basic informations about the more used electrical machines
Main electrical and magnetic relationships involved in the electrical machines (flux density, electromotive force mechanical forces). Magnetic material classification, saturation phenomena magnetic, hysteresis, losses in electrical and magnetic materials. Electrical machines rated values and thermal problems. Single phase transformer, ideal transformer and equivalent circuit of the actual transformer. No load and short circuit test. Equivalent circuit parameter determination. Transformer in parallel connection. Three phase transformer. Numeric exercises on three phase transformer. DC motor. Notes on the commutation and on the structural characteristics. Basic equations for motor with separate, series and parallel excitation. Mechanical characteristics and speed regulation. Notes on the universal motor. Notes on the dynamic model for the DC motor. Numeric exercises on DC motor. Three phase induction motor. Galileo Ferraris rotating field. Equivalent circuit in steady state condition. Me chanical characteristic, speed regulation by frequency regulation. Notes on single phase induction motor. Numeric exercises on three phase induction motor.

Check availability at the library
Revisions / Exam
Written and oral test

Programma definitivo per l'A.A.2009/10

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