Giovanni SPAGNUOLO | ELECTROTECHNICS

cod. 0612300030

ELECTROTECHNICS

	0612300030
	DEPARTMENT OF INDUSTRIAL ENGINEERING
	EQF6
	MECHANICAL ENGINEERING
	2024/2025

PERCORSO IN COMMON

	OBBLIGATORIO
	YEAR OF COURSE 2
	YEAR OF DIDACTIC SYSTEM 2018
	AUTUMN SEMESTER

TEACHING UNITS

	SSD	CFU	HOURS	ACTIVITY	TYPE OF ACTIVITY
	ING-IND/31	6	60	LESSONS	SUPPLEMENTARY COMPULSORY SUBJECTS

PROFESSORS

	GIOVANNI SPAGNUOLO T Curriculum
	VINCENZO TUCCI Curriculum

	Objectives
	THE COURSE IS AIMED AT LEARNING METHODS FOR THE ANALYSIS OF THE LINEAR CIRCUITS, BOTH IN DC AND IN AC, SINGLE PHASE AND THREE PHASES, SIMPLE FIRST AND OF THE SECOND ORDER CIRCUITS IN TRANSIENT CONDITIONS. BASIC ELEMENTS CONCERNING THE TRANSFORMER, THE INDUCTION MOTORS AND THE DC MOTORS ARE ALSO GIVEN. KNOWLEDGE AND UNDERSTANDING AT THE END OF THE COURSE THE STUDENT KNOWS: METHODS FOR THE ANALYSIS OF THE LINEAR CIRCUITS, IN DC AND AC, SINGLE PHASE AND THREE PHASE ONES. TRANSIENTS IN FIRST AND SECOND ORDER SIMPLE LINEAR CIRCUITS. OPERATING PRINCIPLE AND LINEAR MODEL OF THE TRANSFORMER. OPERATING PRINCIPLES, MECHANICAL AND ELECTRO-MECHANICAL CURVES OF THE INDUCTION MOTOR AND OF THE DC MOTOR. APPLYING KNOWLEDGE AND UNDERSTANDING AT THE END OF THE COURSE THE STUDENT IS ABLE TO: ANALYZE DC AND AC LINEAR CIRCUITS, ALSO INCLUDING AN IDEAL TRANSFORMER, AS WELL AS SIMPLE LINEAR CIRCUITS IN TRANSIENT CONDITIONS, AND TO ANALYZE THE MECHANICAL AND ELECTRO-MECHANICAL CHARACTERISTIC OF ASYNCHRONOUS AND DC MOTORS. MAKING JUDGMENTS TO BE ABLE TO SELECT AND USE THE PROPER METHOD FOR ANALYZING A LINEAR CIRCUIT AND TO UNDERSTAND THE MEANING OF THE MAIN NOMINAL ELECTRIC DATA OF ELECTRICAL MOTORS. COMMUNICATION SKILLS TO BE ABLE TO SHOW, IN WRITTEN FORM, THE PROCEDURE TO ANALYZE A LINEAR CIRCUIT. TO BE ABLE TO DISCUSS ABOUT ONE OF THE TOPICS TREATED IN THE COURSE. LEARNING SKILLS TO BE ABLE TO APPLY THE ACQUIRED KNOWLEDGE TO CONTEXTS THAT ARE DIFFERENT FROM THOSE ONES PRESENTED IN THE COURSE AND TO BE ABLE TO STUDY IN DEPTH THE TOPICS TREATED IN THE COURSE BY USING TEXTBOOKS DIFFERENT FROM THOSE ONES PROPOSED BY THE TEACHER.

THE COURSE IS AIMED AT LEARNING METHODS FOR THE ANALYSIS OF THE LINEAR CIRCUITS, BOTH IN DC AND IN AC, SINGLE PHASE AND THREE PHASES, SIMPLE FIRST AND OF THE SECOND ORDER CIRCUITS IN TRANSIENT CONDITIONS. BASIC ELEMENTS CONCERNING THE TRANSFORMER, THE INDUCTION MOTORS AND THE DC MOTORS ARE ALSO GIVEN.

KNOWLEDGE AND UNDERSTANDING
AT THE END OF THE COURSE THE STUDENT KNOWS: METHODS FOR THE ANALYSIS OF THE LINEAR CIRCUITS, IN DC AND AC, SINGLE PHASE AND THREE PHASE ONES. TRANSIENTS IN FIRST AND SECOND ORDER SIMPLE LINEAR CIRCUITS. OPERATING PRINCIPLE AND LINEAR MODEL OF THE TRANSFORMER. OPERATING PRINCIPLES, MECHANICAL AND ELECTRO-MECHANICAL CURVES OF THE INDUCTION MOTOR AND OF THE DC MOTOR.

APPLYING KNOWLEDGE AND UNDERSTANDING
AT THE END OF THE COURSE THE STUDENT IS ABLE TO: ANALYZE DC AND AC LINEAR CIRCUITS, ALSO INCLUDING AN IDEAL TRANSFORMER, AS WELL AS SIMPLE LINEAR CIRCUITS IN TRANSIENT CONDITIONS, AND TO ANALYZE THE MECHANICAL AND ELECTRO-MECHANICAL CHARACTERISTIC OF ASYNCHRONOUS AND DC MOTORS.

MAKING JUDGMENTS
TO BE ABLE TO SELECT AND USE THE PROPER METHOD FOR ANALYZING A LINEAR CIRCUIT AND TO UNDERSTAND THE MEANING OF THE MAIN NOMINAL ELECTRIC DATA OF ELECTRICAL MOTORS.

COMMUNICATION SKILLS
TO BE ABLE TO SHOW, IN WRITTEN FORM, THE PROCEDURE TO ANALYZE A LINEAR CIRCUIT. TO BE ABLE TO DISCUSS ABOUT ONE OF THE TOPICS TREATED IN THE COURSE.

LEARNING SKILLS
TO BE ABLE TO APPLY THE ACQUIRED KNOWLEDGE TO CONTEXTS THAT ARE DIFFERENT FROM THOSE ONES PRESENTED IN THE COURSE AND TO BE ABLE TO STUDY IN DEPTH THE TOPICS TREATED IN THE COURSE BY USING TEXTBOOKS DIFFERENT FROM THOSE ONES PROPOSED BY THE TEACHER.

	Prerequisites
	THE FOLLOWING KNOWLEDGE IS REQUESTED: SOLUTION OF SYSTEMS OF LINEAR EQUATIONS AND OF FIRST ORDER DIFFERENTIAL EQUATIONS, PROPERTIES OF THE TRIGONOMETRIC FUNCTIONS AND OPERATIONS ON COMPLEX NUMBERS. IT IS ALSO REQUESTED THE KNOWLEDGE OF THE BASIC ELECTROMAGNETIC THEORY.

	Contents
	TWO TERMINALS COMPONENTS. ENERGY AND POWER. KIRCHHOFF LAWS. METHODS FOR THE ANALYSIS OF LINEAR CIRCUITS. APPLICATION OF TELLEGEN, THÉVÉNIN AND NORTON THEOREMS (HOURS OF LESSON/EXERCISES 10/10) PHASORS. IMPEDANCE. INSTANTANEOUS POWER, ACTIVE AND REACTIVE POWER. POWER FACTOR CORRECTION. RESONANCE. BALANCED AND UNBALANCED THREE PHASE SYSTEMS. ACTIVE AND REACTIVE POWER MEASUREMENTS IN THREE PHASE SYSTEMS. (HOURS 9/7) FIRST AND SECOND ORDER LINEAR CIRCUITS SUBJECTED TO TRANSIENT PHENOMENA. FREE AND FORCED EVOLUTION. INITIAL STATUS OF INDUCTORS AND CAPACITORS. (HOURS 3/2) SOFT AND HARD FERROMAGNETIC MATERIALS. PERMANENT MAGNETS. HYSTERESIS. PARASITIC CURRENTS. LOSSES. MAGNETIC CIRCUITS. RELUCTANCE. ELECTROMAGNETS. PRINCIPLES OF THE ELECTROMECHANICAL CONVERSION OF ENERGY. (HOURS 4/1) TRANSFORMER. IDEAL TRANSFORMER. DC TRANSFORMER: DC/DC SWITCHING CONVERTERS. AC TRANSFORMER. MAGNETICALLY COUPLED CIRCUITS. REAL TRANSFORMER: BASICS, OPEN CIRCUIT, SHORT CIRCUIT AND NOMINAL OPERATION. (HOURS 4/3) OPERATING PRINCIPLE OF THE ASYNCHRONOUS AND OF THE DC MOTORS, MECHANICAL AND ELECTROMECHANICAL CHARACTERISTICS. LOAD COUPLING. (HOURS 4/3) TOTAL HOURS (34/26)

Contents

TWO TERMINALS COMPONENTS. ENERGY AND POWER. KIRCHHOFF LAWS. METHODS FOR THE ANALYSIS OF LINEAR CIRCUITS. APPLICATION OF TELLEGEN, THÉVÉNIN AND NORTON THEOREMS (HOURS OF LESSON/EXERCISES 10/10)
PHASORS. IMPEDANCE. INSTANTANEOUS POWER, ACTIVE AND REACTIVE POWER. POWER FACTOR CORRECTION. RESONANCE. BALANCED AND UNBALANCED THREE PHASE SYSTEMS. ACTIVE AND REACTIVE POWER MEASUREMENTS IN THREE PHASE SYSTEMS. (HOURS 9/7)
FIRST AND SECOND ORDER LINEAR CIRCUITS SUBJECTED TO TRANSIENT PHENOMENA. FREE AND FORCED EVOLUTION. INITIAL STATUS OF INDUCTORS AND CAPACITORS. (HOURS 3/2)
SOFT AND HARD FERROMAGNETIC MATERIALS. PERMANENT MAGNETS. HYSTERESIS. PARASITIC CURRENTS. LOSSES. MAGNETIC CIRCUITS. RELUCTANCE. ELECTROMAGNETS. PRINCIPLES OF THE ELECTROMECHANICAL CONVERSION OF ENERGY. (HOURS 4/1)
TRANSFORMER. IDEAL TRANSFORMER. DC TRANSFORMER: DC/DC SWITCHING CONVERTERS. AC TRANSFORMER. MAGNETICALLY COUPLED CIRCUITS. REAL TRANSFORMER: BASICS, OPEN CIRCUIT, SHORT CIRCUIT AND NOMINAL OPERATION. (HOURS 4/3)
OPERATING PRINCIPLE OF THE ASYNCHRONOUS AND OF THE DC MOTORS, MECHANICAL AND ELECTROMECHANICAL CHARACTERISTICS. LOAD COUPLING. (HOURS 4/3)
TOTAL HOURS (34/26)

	Teaching Methods
	THE COURSE IS DIVIDED INTO LECTURES AND CLASSROOM PRACTICES. IN THE LATTER ONES, THE PROFESSOR SHOWS THE PROCEDURE FOR THE ANALYSIS OF THE CIRCUIT. AFTERWARDS, THE STUDENTS TAKE PART IN THE SOLUTION OF THE CIRCUIT PROBLEM, UP TO ACHIEVE A SATISFACTORY DEGREE OF AUTONOMY IN THE RESOLUTION OF THE EXERCISES. BY USING THE PLATFORM MOODLE, DURING THE COURSE THE STUDENTS ARE INVITED TO SOLVE SOME TESTS TO THE AIM OF GIVING TO THE PROFESSOR A FEEDBACK ABOUT THE LEARNING STATUS.

Teaching Methods

THE COURSE IS DIVIDED INTO LECTURES AND CLASSROOM PRACTICES. IN THE LATTER ONES, THE PROFESSOR SHOWS THE PROCEDURE FOR THE ANALYSIS OF THE CIRCUIT. AFTERWARDS, THE STUDENTS TAKE PART IN THE SOLUTION OF THE CIRCUIT PROBLEM, UP TO ACHIEVE A SATISFACTORY DEGREE OF AUTONOMY IN THE RESOLUTION OF THE EXERCISES. BY USING THE PLATFORM MOODLE, DURING THE COURSE THE STUDENTS ARE INVITED TO SOLVE SOME TESTS TO THE AIM OF GIVING TO THE PROFESSOR A FEEDBACK ABOUT THE LEARNING STATUS.

	Verification of learning
	THE EXAM INCLUDES A WRITTEN PART AND AN OPTIONAL ORAL PART. THE WRITTEN EXAMINATION IS AT LEAST 2 HOURS AND HALF LONG AND INCLUDES THREE EXERCISES; THESE LATTERS HAVE TO BE SOLVED BY THE STUDENT BY ANSWERING AT LEAST TO THE FIRST QUESTION OF EACH EXERCISE. THE EVALUATION OF THE EXAM IS POSITIVE IF THE RESULT OF THE WRITTEN PART IS AT LEAST EQUAL TO 18/30. THE ACCESS TO THE ORAL PART IS ALLOWED IF THE WRITTEN PART IS EVALUATED WITH 26/30 AT LEAST. THE WRITTEN EXAM IS AIMED AT EVALUATING THE BASIC KNOWLEDGE OF THE STUDENT ON SINUSOIDAL CIRCUITS, BOTH SINGLE AND THREE PHASE, ALSO INCLUDING IDEAL TRANSFORMERS, AND ON SIMPLE FIRST AND SECOND ORDER DYNAMIC CIRCUITS. THE MINIMUM MARK (18) IS ACHIEVED BY SOLVING IN THE CORRECT WAY THE WRITTEN EXAM UP TO THE ANSWER TO THE FIRST QUESTION OF EACH OF THE THREE EXERCISES. THE EVALUATION IS ALSO BASED ON THE COMPLETENESS AND CLARITY OF THE EXPLANATIONS AND SOLUTIONS. THE MAXIMUM MARK (30) IS GIVEN TO THE STUDENT WHO IS ABLE TO DEMONSTRATE, IN THE WRITTEN EXAM OR BY ALSO ACCESSING TO THE ORAL EXAM, THE ABILITY OF APPLYING THE STUDIED METHODS TO DIFFERENT CONTEXTS. THE LAUDE IS GIVEN TO THE STUDENT WHO HAS ALSO AFFORDED THE ORAL EXAM, BY SHOWING A FULL UNDERSTANDING OF THE THEORETICAL AND PRACTICAL ASPECTS DISCUSSED IN THE COURSE, BY SHOWING A FULL ABILITY OF DISCUSSING ABOUT THE TOPICS TREATED IN THE COURSE AND BY APPLYING THE METHODS IN CONTEXTS THAT ARE BEYOND THOSE ONES SHOWN BY THE TEACHER DURING THE COURSE.

Verification of learning

THE EXAM INCLUDES A WRITTEN PART AND AN OPTIONAL ORAL PART. THE WRITTEN EXAMINATION IS AT LEAST 2 HOURS AND HALF LONG AND INCLUDES THREE EXERCISES; THESE LATTERS HAVE TO BE SOLVED BY THE STUDENT BY ANSWERING AT LEAST TO THE FIRST QUESTION OF EACH EXERCISE. THE EVALUATION OF THE EXAM IS POSITIVE IF THE RESULT OF THE WRITTEN PART IS AT LEAST EQUAL TO 18/30. THE ACCESS TO THE ORAL PART IS ALLOWED IF THE WRITTEN PART IS EVALUATED WITH 26/30 AT LEAST.

THE WRITTEN EXAM IS AIMED AT EVALUATING THE BASIC KNOWLEDGE OF THE STUDENT ON SINUSOIDAL CIRCUITS, BOTH SINGLE AND THREE PHASE, ALSO INCLUDING IDEAL TRANSFORMERS, AND ON SIMPLE FIRST AND SECOND ORDER DYNAMIC CIRCUITS.

THE MINIMUM MARK (18) IS ACHIEVED BY SOLVING IN THE CORRECT WAY THE WRITTEN EXAM UP TO THE ANSWER TO THE FIRST QUESTION OF EACH OF THE THREE EXERCISES. THE EVALUATION IS ALSO BASED ON THE COMPLETENESS AND CLARITY OF THE EXPLANATIONS AND SOLUTIONS.

THE MAXIMUM MARK (30) IS GIVEN TO THE STUDENT WHO IS ABLE TO DEMONSTRATE, IN THE WRITTEN EXAM OR BY ALSO ACCESSING TO THE ORAL EXAM, THE ABILITY OF APPLYING THE STUDIED METHODS TO DIFFERENT CONTEXTS.

THE LAUDE IS GIVEN TO THE STUDENT WHO HAS ALSO AFFORDED THE ORAL EXAM, BY SHOWING A FULL UNDERSTANDING OF THE THEORETICAL AND PRACTICAL ASPECTS DISCUSSED IN THE COURSE, BY SHOWING A FULL ABILITY OF DISCUSSING ABOUT THE TOPICS TREATED IN THE COURSE AND BY APPLYING THE METHODS IN CONTEXTS THAT ARE BEYOND THOSE ONES SHOWN BY THE TEACHER DURING THE COURSE.

	Texts
	G. FABRICATORE: ELETTROTECNICA ED APPLICAZIONI, LIGUORI ESERCIZES AVAILABLE TO STUDENTS: THE STUDENT ASKS TO THE PROFESSOR, VIA EMAIL, THE ACCESS TO A GOOGLE DRIVE FOLDER CONTAINING SOME EXERCISES. THE PROFESSOR REPLIES BY SENDING, AGAIN VIA EMAIL, THE LINK TO THE FOLDER, ALSO CONTAINING EXERCISES INCLUDING SOLUTIONS, TO THE STUDENT. FURTHER EXERCISES AT: HTTPS://AUTOCIRCUITS.ORG/AUTOCIR_HOME.HTML

Texts

G. FABRICATORE: ELETTROTECNICA ED APPLICAZIONI, LIGUORI
ESERCIZES AVAILABLE TO STUDENTS: THE STUDENT ASKS TO THE PROFESSOR, VIA EMAIL, THE ACCESS TO A GOOGLE DRIVE FOLDER CONTAINING SOME EXERCISES. THE PROFESSOR REPLIES BY SENDING, AGAIN VIA EMAIL, THE LINK TO THE FOLDER, ALSO CONTAINING EXERCISES INCLUDING SOLUTIONS, TO THE STUDENT. FURTHER EXERCISES AT: HTTPS://AUTOCIRCUITS.ORG/AUTOCIR_HOME.HTML

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	COMPULSORY ATTENDANCE. TEACHING IN ITALIAN.

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Giovanni SPAGNUOLO | ELECTROTECHNICS