CIRCUIT THEORY

Vito CALDERARO CIRCUIT THEORY

0612100018
DEPARTMENT OF CIVIL ENGINEERING
EQF6
BSC DEGREE IN CIVIL ENGINEERING
2024/2025

YEAR OF COURSE 2
YEAR OF DIDACTIC SYSTEM 2022
AUTUMN SEMESTER
CFUHOURSACTIVITY
660LESSONS
Objectives
Deal with theoretical aspects regarding the foundations of circuit theory and related issues
applications to the design and execution of low voltage electrical systems.

KNOWLEDGE AND UNDERSTANDING:
KNOWLEDGE OF THE PROPERTIES OF THE MAIN LINEAR ELECTRICAL COMPONENTS AND OF THE ANALYSIS METHODS FOR THE SOLUTION OF SIMPLE CIRCUITS OPERATING IN STATIONARY AND SINE-SIDE REGIME.
BASIC KNOWLEDGE ON THE OPERATION AND SIZING OF DEVICES USED IN LOW VOLTAGE ELECTRICAL SYSTEMS.

ABILITY TO APPLY KNOWLEDGE AND UNDERSTANDING:
KNOWING HOW TO SOLVE SIMPLE LINEAR CIRCUITS OPERATING IN STATIONARY OR SINUSOIDAL REGIME, FORMULATING THE RESOLUTION OF THE CIRCUIT WITH THE METHODS OF CIRCUIT EQUATIONS, SUPERPOSITION OF EFFECTS, EQUIVALENT GENERATORS, POSSIBLY COMBINED WITH THE PHASOR METHOD.
KNOWING HOW TO SELECT AND SIZE THE MAIN ELEMENTS OF LOW VOLTAGE ELECTRICAL SYSTEMS, WITH THE RELATED OPERATING AND PROTECTION DEVICES.


INDEPENDENT JUDGMENTS:
BE ABLE TO IDENTIFY THE MOST APPROPRIATE METHODS TO STUDY AN ELECTRICAL CIRCUIT AND IDENTIFY/SIZE THE MAIN DEVICES USED IN A LOW VOLTAGE ELECTRICAL SYSTEM.

COMMUNICATION SKILLS:
BEING ABLE TO EXPLAIN ORALLY AND THROUGH CIRCUIT DIAGRAM THE TOPICS COVERED DURING THE TEACHING.

LEARNING ABILITY:
BEING ABLE TO APPLY THE ACQUIRED KNOWLEDGE AND BE ABLE TO INDEPENDENTLY LEARN TOPICS SIMILAR TO THOSE COVERED DURING THE TEACHING.
Prerequisites
BASIC MATHEMATICAL AND PHYSICAL KNOWLEDGE IS REQUIRED FOR THE PROFITABLE ACHIEVEMENT OF THE SET OBJECTIVES. PHYSICS IS MANDATORY.
Contents
THE EXAM IS DIVIDED INTO TWO PARTS:

PART 1: “CIRCUIT THEORY” (LESSON: 15 HOURS, EXERCISE: 15 HOURS)
LINEAR ELECTRIC NETWORKS IN STEADY STATE. BIPOLES. KIRCHHOFF'S LAWS. METHODS OF RESOLUTION OF LINEAR NETWORKS. TELLEGEN, THÉVÉNIN, NORTON THEOREMS LINEAR ELECTRIC NETWORKS IN SINE-SIDE REGIME: PHASORS. SYMBOLIC METHOD. IMPEDANCE. INSTANT POWER, ACTIVE AND REACTIVE. CONSERVATION OF POWERS. FACTOR FACTOR FACTORING. OPERATING PRINCIPLE IDEAL TRANSFORMER.

PART 2: “ELECTRICAL SYSTEMS” (LESSON: 15 HOURS, LABORATORY ACTIVITIES: 15 HOURS)
COMPONENTS FOR THE TRANSPORT AND DISTRIBUTION OF ELECTRICITY: ELECTRICAL CABLES. COMPONENTS FOR INTERRUPTION, PROTECTION AND POWER: AUTOMATIC SWITCHES. DIFFERENTIAL SWITCHES. FUSES. DISCONNECTORS. FUNDAMENTALS OF ELECTRICAL SAFETY. DIRECT AND INDIRECT CONTACTS. ELECTRIC CURRENT IN THE HUMAN BODY. THE SOIL AS AN ELECTRIC CONDUCTOR. LEGISLATIVE AND REGULATORY ASPECTS. EARTH SYSTEMS. DESIGN AND TESTING CRITERIA FOR LV ELECTRICAL SYSTEMS.
Teaching Methods
FOR THE "CIRCUITS THEORY" SECTION, LECTURES AND CLASSROOM EXERCISES ARE PLANNED. DURING THE EXERCISES THE TEACHER ILLUSTRATES THE CIRCUIT ANALYSIS PROCEDURE, SUBSEQUENTLY THE STUDENTS ARE INVOLVED IN RESOLVING THE PROBLEM, UNTIL THEY REACH A SUFFICIENT DEGREE OF AUTONOMY WHICH ALLOWS THEM TO STUDY AN ELECTRICAL CIRCUIT IN STATIONARY OR SINE-SIDE REGIME. THE "CIRCUIT THEORY" MODULE CORRESPONDS TO 3 ECTS EQUALLY DIVIDED BETWEEN THEORY AND EXERCISES.

FOR THE "ELECTRICAL SYSTEMS" SECTION, LECTURES AND LABORATORY ACTIVITIES ARE PROVIDED. THE STUDENTS, ORGANIZED INTO WORKING GROUPS, DEVELOP AN THESIS HAVING AS OBJECT ONE OF THE TOPICS COVERED. THE "ELECTRICAL SYSTEMS" MODULE CORRESPONDS TO 3 ECTS EQUALLY DIVIDED BETWEEN THEORY AND LABORATORY ACTIVITIES.

THE COURSE INCLUDES THE COMPULSORY ATTENDANCE. THE MINIMUM NUMBER OF ATTENDANCES THAT GUARANTEES ACCESS TO THE PROFIT EXAM IS 70%.
PRESENCE IS DETECTED VIA WEB APPLICATION MADE AVAILABLE BY THE UNIVERSITY.
Verification of learning
THE ASSESSMENT OF THE ACHIEVEMENT OF THE SET OBJECTIVES WILL TAKE PLACE BY CARRYING OUT A WRITTEN TEST AND AN ORAL INTERVIEW. SCHEDULED FROM THE END OF THE EDUCATIONAL ACTIVITIES.

THE WRITTEN TEST CONCERNS THE TOPICS OF THE "CIRCUIT THEORY" MODULE WITH PARTICULAR REFERENCE TO THE APPLICATION OF RESOLUTION METHODS OF AN ELECTRICAL CIRCUIT, WHEREFEVER, A FREE-RESPONSE QUESTION FOR IN-DEPTH THEORY IS FORMULATED.

THE WRITTEN TEST WILL LAST A MAXIMUM OF 2 HOURS AND IS MARKED OUT OF THIRTIETH. TO ACCESS THE ORAL, YOU MUST PASS THE WRITTEN TEST WITH A MINIMUM MARK OF 18/30.

AT THE CONCLUSION OF THE "CIRCUIT THEORY" MODULE, AN ONGOING TEST CAN BE CARRIED OUT (SCORED OUT OF THIRTIETH). IT WILL HAVE THE VALUE OF AN EXEMPTARY WRITTEN TEST IF PASSED WITH A MINIMUM MARK OF 18/30.

THE ORAL INTERVIEW WILL FOCUS ON THE TOPICS OF THE "ELECTRICAL SYSTEMS" MODULE. DURING THE ORAL INTERVIEW THE FINAL COURSE THESIS WILL ALSO BE DISCUSSED. THE MARK FOR THE ORAL EXAM IS OUT OF THIRTIETH.

THE FINAL MARK WILL BE THE WEIGHTED AVERAGE OF THE MARK OF THE WRITTEN TEST AND THE ORAL INTERVIEW.

PRAISE IS AWARDED WHEN THE CANDIDATE DEMONSTRATES SIGNIFICANT MASTERY OF THEORETICAL AND OPERATIONAL CONTENTS AND SHOWS THE ABILITY TO PRESENT THE TOPICS WITH REMARKABLE LANGUAGE PROPERTY AND INDEPENDENT PROCESSING ABILITY.
Texts
- G. FABRICATORE, ELETTROTECNICA E APPLICAZIONI, LIGUORI EDITORE.
- L. FELLIN, R. BENATO, IMPIANTI ELETTRICI, UTET SCIENZE TECNICHE, 2011 (V.1).
- V. CARRESCIA, FONDAMENTI DI SICUREZZA ELETTRICA, TNE, 2009G. CONTE (IN ALTERNATIVA).
- MANUALE DI IMPIANTI ELETTRICI, HOEPLI, 2009G (IN ALTERNATIVA).
- DISPENSE FORNITE DAL DOCENTE.
Lessons Timetable

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