Syllabus Electrical Circuits - (204183) Credit Examination Scheme : 03 In Sem(Theory): 30 Marks End Sem(Theory): 70 Marks Unit I Basic Circuit analysis & Simplification Techniques Kirchhoff‟s Current and Voltage Laws, Independent and Dependent sources and their interconnection, power calculations. Network Analysis: Mesh, Super mesh, Node and Super Node analysis. Source transformation and source shifting. Network Theorems: Superposition, Thevenin’s, Norton’s and Maximum Power Transfer. (Analysis of simple DC circuits using all above techniques & Analysis of simple AC circuits using only Mesh analysis)(Chapter -1) Unit II Transient Analysis of Basic RL, RC and RLC Circuits Initial conditions, Driven RL and RC circuits, source free RL and RC circuits, properties of exponential response, Natural and Forced response of RL and RC circuits. Introduction to driven & Source free series RLC circuit. Over damped and Under damped series RLC circuit.(Chapter - 2) Unit III Two Port Network Parameters and Functions Terminal characteristics of network, Z, Y, h, ABCD Parameters; Reciprocity and Symmetry conditions, Applications of the parameters. Application of Laplace Transforms to circuit analysis, network functions for one port and two port networks, poles and zeros of network functions and network stability. (Chapters -3, 4) Unit IV DC Machines Construction, working principle, derivation of emf equation, types, voltage equation of DC generator.Working principle, derivation of Torque equation, types, voltage equation & speed equation of DC Motor. Basic characteristics & different methods of speed control of DC Shunt and Series motor, Power flow diagram of DC motor, Numericals on speed & torque. Need of starter, three point & four point starters for DC shunt motor, applications of DC Motors. Permanent Magnet DC motors (PMDC): Construction, Working and applications.(Chapter - 5) Unit V AC Motors (Single phase &Three phase) Three phase Induction motors: Construction, working principle, types, concept of slip, effect of slip on rotor parameters, derivation of torque equation, condition for maximum torque, torque ratios, Torque-slip characteristics, Power flow diagram with numerical. Single phase Induction motor: Construction, working principle, types and applications. Necessity of starters: Study of DOL & Star-Delta starters, speed control using V/f method, Applications.(Chapter - 6) Unit VI Special Purpose Motors BLDC Motor: Types, Construction, working principle, Bipolar control circuit, torque-speed characteristics and applications. Stepper Motor: Types, Construction, working principle, different modes of operation, control circuit, applications. Introduction to Electric vehicle, block diagram, case study of any one electric vehicle with respect to specifications of motor, battery and controller.(Chapter - 7)
