Politecnico di Torino
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Politecnico di Torino
Academic Year 2007/08
03CIIDI, 03CIIEG
Industrial electric systems
1st degree and Bachelor-level of the Bologna process in Logistics And Production Engineering - Torino
1st degree and Bachelor-level of the Bologna process in Business Organization Engineering - Torino
Teacher Status SSD Les Ex Lab Tut Years teaching
Piglione Federico ORARIO RICEVIMENTO AC ING-IND/33 72 40 0 0 18
Spertino Filippo ORARIO RICEVIMENTO A2 ING-IND/33 72 40 0 0 11
SSD CFU Activities Area context
ING-IND/33 10 C - Affini o integrative Discipline ingegneristiche
Objectives of the course
The aim of the course is to provide the student with the foundations of electrical applications in industrial field. The first part of the course develops the basic skills of electrical circuit analysis. The second part focuses then on the medium and low voltage electrical systems, their design, the normative and economic aspects.
Expected skills
Skills in solving simple static and sinusoidal circuits. Skills in solving three-phase systems. Basic knowledge of: connection circuits, sinusoidal systems, power factor connection, etc. Design of a simple electrical LV distribution system. Knowledge of economic aspects of electrical energy.
Prerequisites
Basic knowledge of algebra, geometry, mathematical analysis. Arithmetic of complex numbers. Fundamentals of electromagnetism.
Syllabus
Basic circuit theory. Definitions of key electrical quantities. Direct current (DC). Kirchoff's laws. Series and parallel circuits. Thevenin's theorem. Millman's theorem. Superposition theorem. Electric power. DC circuits analysis. First-order transient analysis.
Alternating current (AC). Frequency and phase angle of sinusoidal waveforms. AC steady-state. Phasor diagram and complex numbers for AC circuit analysis. Impedance and admittance. Active and reactive power. Power triangle. Boucherot's theorem. Power factor correction. AC circuits analysis. Three-phase systems. Star and delta connection. Balanced and unbalanced systems. Three-phase power and power measurement.
Basics of electrical machines. Ideal transformer. Magnetization and load losses. Equivalent circuit. Three-phase transformers. Outline of AC and DC motors.
Modern electrical power systems: generation, transmission, distribution and utilization. Power plants. Transmission grid. Distribution networks. Neut ral grounding.
Electrical faults. Overcurrent protection. Circuit breakers. Thermal, magnetic and residual current devices. Electric cables. Design of electrical distribution systems.
Basics of electrical safety. Electrical hazards. Earthing systems. TT, TN and IT earthing systems. Preventing electrical contacts. Use of differential relay.
Electric cabins. Power factor correction methods in distribution systems. Electricity rates.
Laboratories and/or exercises
Problem solving sessions, drills, lab activities.
Supervised sessions in which students solve problems, either at the board or individually, under the supervision of a teacher. Laboratory tests on transformers. Visit to an electric cabin.
Bibliography
- F. Piglione, G. Chicco, Sistemi Elettrici Industriali (I and II part), Politeko, Torino
- References available at www.elektro.it
- G. Conte, Impianti elettrici, Hoepli, Milano
- V. Cataliotti, Impianti elettrici, Vol. III, Flaccovio, Palermo.
Revisions / Exam
Closed-book written test, composed by numerical problems and theory questions. The grade of the written test is the final grade of the exam. An optional oral test is available for those that obtain at least 26/30 in the written test.

Programma definitivo per l'A.A.2007/08
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