Electrotechnics - a.y. 2016/2017
Period (Year/Semester): II/I
Required/expected prior knowledge: General Physics II
Principles and methods in electrical circuit theory. Study of electrical circuits in steady-state, dynamical and sinusoidal operating conditions. Fundamental electromagnetic and electromechanical applications in power devices and systems (transformers, asynchronous motors); fundamentals of protection and safety.
Tables of contents:
From electromagnetic fields to circuits. Main electrical parameters: voltage, current intensity, electrical power. Fundamental model for circuits: node and mesh equation, characteristics. Multi-port elements. Linear circuits; superposition, Thévènin and Norton equivalent elements. Dynamic main elements. First-order circuits. Basic approach to dynamics.Power frequency methods; complex notation. Electrical power in sinusoidal operating conditions. Complex power.Three-phase circuits.Electromagnetic coupling; the transformer, the losses in industrial transformers. Characterization, tests and main operation on industrial transformer.Asynchronous machine, applications.Main failure protection in electrical systems.Basic of electrical safety in low-voltage systems. The Standards.
Textbooks and learning aids:
Notes on: www.elettrotecnica.unina.it
S. Falco - L. Verolino - Elementi di Elettrotecnica - Liguori, 2003
Assessment will be written and oral.