Unit ELECTRICAL ENGINEERING

Course
Mechanical engineering
Study-unit Code
70367109
Curriculum
In all curricula
Teacher
Ermanno Cardelli
Teachers
  • Ermanno Cardelli
Hours
  • 81 ore - Ermanno Cardelli
CFU
9
Course Regulation
Coorte 2021
Offered
2022/23
Learning activities
Affine/integrativa
Area
Attività formative affini o integrative
Academic discipline
ING-IND/31
Type of study-unit
Obbligatorio (Required)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
Italian
Contents
Electric networks. Electric machines.
Reference texts
Teacher notes
Educational objectives
To be able to solve the main common electrical networks in transient and in steady state. To be able to idenify and solve the equivalent network of an electrical machine.
Prerequisites
Electric and magnetic field. Electromagnetism. Complex numbers. Differential equations.
Teaching methods
Taught classes and practical exercises
Other information
Meet the teacher.
Learning verification modality
Written and oral exam.
Written exam divided in two parts(circuits and electrical machines). Each part can be given separately, but in the indicated order.
Written exam with open answer questions.
Extended program
Electric networks: Electrical dipoles. Concentrated and linear elextrical parameters, Generators and passive dipoles. Kirchhoff laws. Analysis in time domain. Periodic and alternating variables. Fourier's analysis.Analysis of the linear network with sinusoidal waveform. Impedance and admittance. Loop currents and nodal voltages. Superposition principle, Synthesis of networks.Power factor correction.Three-phase systems. Analysis of three-phase systems. Equilibrated and symmetric systems. Electric power. Load parameters. Active and reactive power. The rotating magnetic field.


Working principle of electrical machines: transformers, syncronous machines, induction motors, dc generators and motors. Static converters. Rectifiers, Inverters, Choppers.
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