L 3 C 3
Teachers Continuous Evaluation: as per university examination norms. End Term Theory Examination: as per university examination norms.
Course outcomes
- Ability of students to understand the fundamental concepts of core electrical engineering especially direct current and circuit theory with network theorems. [K1, K2, K3]
- Ability of students to provide knowledge about single phase and three phase electrical circuits. [K2, K3, K4]
- Ability of students to understand the basics of magnetic circuits and electrical transformers. [K1, K2]
- Ability of students to basic understanding of electrical rotating DC and AC machines. [K1, K2]
Unit I (8 lectures)
D.C. Circuits: Active and passive elements, Voltage and current sources, dependent and independent sources, Source conversion, Ohm’s Law, Kirchhoff’s Law, Superposition theorem, Thevenin’s theorem, Norton theorem, Maximum Power Transfer Theorem and their application for analysis of series and parallel resistive circuits, Power & Energy in such circuits. Mesh & nodal analysis, Star-Delta transformation & circuits.
Unit II (8 lectures)
AC Circuits: 1- phase AC Circuits: Generation of sinusoidal AC voltage, definition of average value, R.M.S. value, form factor and peak factor of AC quantity, Concept of phasor, Concept of Power factor, Concept of impedance and admittance, Active, reactive and apparent power, analysis of R-L, R-C, R-L-C series & parallel circuit. 3-phase AC Circuits: Necessity and advantages of three phase systems, Relationship between line and phase values for balanced star and delta connections, Power in balanced & unbalanced three-phase system.
Unit III (8 lectures)
Magnetic Circuits: Basic definitions, magnetization characteristics of Ferromagnetic materials, self-inductance and mutual inductance, energy in linear magnetic systems, coils connected in series, AC excitation in magnetic circuits, magnetic field produced by current carrying conductor, Force on a current carrying conductor. Induced voltage, laws of electromagnetic Induction, direction of induced E.M.F. Single phase transformer: General construction, working principle, e.m.f. equation, equivalent circuits, phasor diagram, voltage regulation, losses and efficiency, open circuit and short circuit test.
Unit IV (8 lectures)
Electrical Machines: Construction, Classification & Working Principle of DC machine and 1-Phase induction machine. Working principle of 3-Phase induction motor, Concept of slip in 3- Phase induction motor, Torque-slip characteristics of 3-Phase induction motor. Types of losses occurring in electrical machines. Applications of DC machine and induction machine.
Textbooks
- Kothari, D. P., & Nagrath, I. J. (2019). Basic electrical engineering (4th ed.). McGraw Hill Education.
- Singh, S. N. (2013). Basic electrical engineering. PHI Learning.
- Wadhwa, C. L. (2007). Basic electrical engineering (4th ed.). New Age International.
- Theraja, B. L., & Theraja, A. K. (2024). A textbook of electrical technology: Volume I: Basic electrical engineering (24th ed.). S. Chand Publishing
References
- Muthusubramanian, R., & Salivahanan, S. (2025). Basic electrical and electronics engineering (2nd ed.). McGraw Hill Education .
- Lal Seksena, S. B., & Dasgupta, K. (2017). Fundamentals of electrical engineering. Cambridge University Press.