Electrical Circuits and Machines

Circuit elements and laws, Thevenin and Norton equivalent circuits, voltage and current division, energy storage elements; circuit differential equations, AC circuits, sinusoidal sources and response of circuits to AC sources. Diodes, ideal diode and rectifiers, limiter, Zenor diodes. Introduction to transistors and amplifiers, JFE transistor, bipolar junction transistor, integral circuits. Digital electronic circuits; diode gates, BJT switch and logic families. Introduction to digital logic circuits, sequential logic, hardware implementation of logic circuits. Introduction to machinery principles; Transformers: types and construction of transformers; Transformer ratings and related problems; DC machinery fundamentals: construction of DC machines, voltage and torque equations; DC generators: equivalent circuit, types. DC motors: equivalent circuit, DC motor starters; AC machine fundamentals; synchronous machines: construction, excitation, generator and motor operations; Induction motors: single and three-phase, and special purpose motors.