## EE3301 Syllabus - Electromagnetic Fields - 2021 Regulation Anna University

EE3301

ELECTROMAGNETIC FIELDS

LTPC

3104

COURSE OBJECTIVES:
• To introduce the basic mathematical concepts related to electromagnetic vector fields.
• To impart knowledge on the concepts of.
* Electrostatic fields, electric potential, energy density and their applications..
* Magneto static fields, magnetic flux density, vector potential and its applications..
* Different methods of emf generation and Maxwell’s equations.
* Electromagnetic waves and characterizing parameters.

UNIT I

ELECTROSTATICS – I

12

Sources and effects of electromagnetic fields – Coordinate Systems – Vector fields –Gradient, Divergence, Curl – theorems and applications - Coulomb’s Law – Electric field intensity – Field due to discrete and continuous charges – Gauss’s law and applications.

UNIT II

ELECTROSTATICS – II

12

Electric potential – Electric field and equipotential plots, Uniform and Non-Uniform field, Utilization factor – Electric field in free space, conductors, dielectrics - Dielectric polarization –Dielectric strength - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and Laplace’s equations, Capacitance, Energy density, Applications.

UNIT III

MAGNETOSTATICS

12

Lorentz force, magnetic field intensity (H) – Biot–Savart’s Law - Ampere’s Circuit Law – H due to straight conductors, circular loop, infinite sheet of current, Magnetic flux density (B) – B in free space, conductor, magnetic materials – Magnetization, Magnetic field in multiple media –Boundary conditions, scalar and vector potential, Poisson’s Equation, Magnetic force, Torque, Inductance, Energy density, Applications.

UNIT IV

ELECTRODYNAMIC FIELDS

12

Magnetic Circuits - Faraday’s law – Transformer and motional EMF – Displacement current -Maxwell’s equations (differential and integral form) – Relation between field theory and circuit theory – Applications.

UNIT V

ELECTROMAGNETIC WAVES

12

Electromagnetic wave generation and equations – Wave parameters; velocity, intrinsic impedance, propagation constant – Waves in free space, lossy and lossless dielectrics, conductors- skin depth - Poynting vector – Plane wave reflection and refraction.

TOTAL: 60 PERIODS

COURSE OUTCOMES: Upon the successful completion of the course, students will be able to:
CO1: Explain Gradient, Divergence, and Curl operations on electromagnetic vector fields.
CO2: Explain electrostatic fields, electric potential, energy density and their applications.
CO3: Calculate magneto static fields, magnetic flux density, vector potential
CO4: Explain different methods of emf generation and Maxwell’s equations
CO5: Explain the concept of electromagnetic waves and characterizing parameters

TEXT BOOKS:
1. Mathew N. O. Sadiku, ‘Principles of Electromagnetics’, 6th Edition, Oxford University Press Inc. Asian edition, 2015.
2. William H. Hayt and John A. Buck, ‘Engineering Electromagnetics’, McGraw Hill Special Indian edition, 2014.
3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, Fifth Edition, 2010.

REFERENCES:
1. V.V.Sarwate, ‘Electromagnetic fields and waves’, Second Edition, Newage Publishers, 2018.
2. J.P.Tewari, ‘Engineering Electromagnetics - Theory, Problems and Applications’, Second Edition, Khanna Publishers 2013.
3. Joseph. A.Edminister, ‘Schaum’s Outline of Electromagnetics, Fifth Edition (Schaum’s Outline Series), McGraw Hill, 2018.
4. S.P.Ghosh, Lipika Datta, ‘Electromagnetic Field Theory’, First Edition, McGraw Hill Education(India) Private Limited, 2017.
5. K A Gangadhar, ‘Electromagnetic Field Theory’, Khanna Publishers; Sixteenth Edition Eighth Reprint :2015

SKILL DEVELOPMENT ACTIVITIES (Group Seminar / Mini Project /Assignment /Content Preparation / Quiz/ Surprise Test / Solving GATE questions/ etc)
1. Data collection and Interpretation/discussion on electromagnetic field sources and their effects on human and environment and EMF exposure limits as per International Standards like IEEE, ICNIRP, etc. 65
2. Familiarization of any software tool like MATLAB to compute, visualize and analyze gradient, divergent and curl fields.
3. Familiarization of any EMF solvers to compute, visualize and analyze the Electric and Magnetic fields for configurations discussed in theory
4. Design and practical implementation of applications of electromagnetic fields like Van de Graaff generators, actuator, Magnetic levitation, Rail guns , Solenoid based applications, Faradays disk generator and metal detectors ,wireless power transfer units etc. to improve the ability to implement the concepts studied.

REFERENCES FOR SKILL DEVELOPMENT ACTIVITIES:
1. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, Fifth Edition, 2010.
2. ICNIRP guidelines for limiting exposure to time‐varying electric, magnetic and electromagnetic fields (up to 300 GHz).
3. IEEE C 95.6 -2002 IEEE Standard for Safety Levels with Respect to Human Exposure to Electromagnetic Fields, 0–3 kHz
4. IEEE C95.1-2019 - IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz
5. Measurements and predictions of electric and magnetic fields from power lines Charalambos P. Nicolaoua, Antonis P. Papadakisb, Panos A. Razisa, George A. Kyriacouc, John N. Sahalosd.
6. Electric- and Magnetic-Field Measurements in an Outdoor Electric Power Substation, Anastasia S. Safigianni, Member, IEEE, and Christina G. Tsompanidou, IEEE transactions on Power Delivery, vol. 24, no. 1, January 2009.
7. Karl E.Lonngren , Sava V. Savov and Randy.J.Jost ,’Fundamentals Of Electromagnetics With MATLAB’, SciTech Publishing Inc; 2nd edition (31 October 2007)