Knowledge in magnetic circuits

Magnetic Circuits (Electrical Engineering) Notes

Elecrtical Engineering Notes of Magnetic Circuits.

BEE Unit 3 part I Magnetic circuits

UNIT: 3 part-1 Magnetic circuits, definitions, B-H curves, Magnetic circuit calculations, laws of electro-magnetic induction. Hysteresis and eddy current losses

BEE full syllabus notes Unit 1,2,3,4,5

DC Networks: Kirchhoff's laws, node and mesh analysis, Delta-star and star-delta transformations. Superposition, Thevenin’s and Norton's theorem. Transients in R- L, R-C and R-L-C circuits with DC Excitation. Single Phase AC Circuits: Single phase EMF generation, average and effective values of sinusoids, j operations, complex representation of impedances, phasor diagrams, power factor, power in complex notation, solution of series and parallel circuits. Introduction to resonance in series RLC circuit. Three Phase AC Circuit: Three phase EMF generation, delta and star connection, Line and Phase quantities. Solutions of 3-phase circuits with balanced load. Power in 3-phase balanced circuits.Magnetic Circuits: B-H Curve, Hysteresis, Permeability and reluctance, solution of simple magnetic circuits, Hysteresis and Eddy current losses. DC Generator: Different types, Principle of Operation of DC generator, EMF equation, methods of excitation. DC Motor: Back e.m.f., speed and torque of a DC Motor, Conditions for maximum Power. Speed control of DC shunt motor. Transformers: Construction and Principle of operation of single-phase transformer, EMF equation, Single-phase autotransformer.

MAGNETIC MATERIALS AND FIELD

These are the notes of the subject Magnetism for engineering and are targeted to one of the difficult subtopics of Magnetic materials and fields. These will prove beneficial to both FY and SY Engineering students of all branches and help them to score good marks in their exams.