Anna university :: chennai 600 025
EE 1211 ELECTRICAL MACHINES 3 0 0 100
Yüklə 0,65 Mb.
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- Bu səhifədəki naviqasiya:
- L = 45 Total = 45
- CS1151 DATA STRUCTURES 3 0 0 100
EE 1211 ELECTRICAL MACHINES 3 0 0 100AIMTo expose the students to the concepts of various types of electrical machines and transmission and distribution of electrical power . OBJECTIVESTo impart knowledge on
machines.
UNIT I D.C. MACHINES 9 Constructional details – emf equation – Methods of excitation – Self and separately excited generators – Characteristics of series, shunt and compound generators – Principle of operation of D.C. motor – Back emf and torque equation – Characteristics of series, shunt and compound motors - Starting of D.C. motors – Types of starters - Testing, brake test and Swinburne’s test – Speed control of D.C. shunt motors. UNIT II TRANSFORMERS 9 Constructional details – Principle of operation – emf equation – Transformation ratio – Transformer on no load – Parameters referred to HV/LV windings – Equivalent circuit – Transformer on load – Regulation - Testing – Load test, open circuit and short circuit tests. UNIT III INDUCTION MOTORS 9 Construction – Types – Principle of operation of three-phase induction motors – Equivalent circuit – Performance calculation – Starting and speed control – Single-phase induction motors (only qualitative treatment). UNIT IV SYNCHRONOUS AND SPECIAL MACHINES 9 Construction of synchronous machines-types – Induced emf – Voltage regulation; emf and mmf methods – Brushless alternators – Reluctance motor – Hysteresis motor – Stepper motor. UNIT V TRANSMISSION AND DISTRIBUTION 9 Structure of electric power systems – Generation, transmission, sub-transmission and distribution systems - EHVAC and EHVDC transmission systems – Substation layout – Insulators – cables. L = 45 Total = 45TEXT BOOKS1. D.P.Kothari and I.J.Nagrath, ‘Basic Electrical Engineering’, Tata McGraw Hill publishing company ltd, second edition, 2002. 2. C.L. Wadhwa, ‘Electrical Power Systems’, Wiley eastern ltd India, 1985. REFERENCE BOOKS1. S.K.Bhattacharya, ‘Electrical Machines’, Tata McGraw Hill Publishing company ltd, second edition, 1998. 2. V.K.Mehta and Rohit Mehta, ‘Principles of Power System’, S.Chand and Company Ltd, third edition, 2003. CS1151 DATA STRUCTURES 3 0 0 100AIM To provide an in-depth knowledge in problem solving techniques and data structures.
UNIT I PROBLEM SOLVING 9 Problem solving – Top-down Design – Implementation – Verification – Efficiency – Analysis – Sample algorithms. UNIT II LISTS, STACKS AND QUEUES 8 Abstract Data Type (ADT) – The List ADT – The Stack ADT – The Queue ADT
Preliminaries – Binary Trees – The Search Tree ADT – Binary Search Trees – AVL Trees – Tree Traversals – Hashing – General Idea – Hash Function – Separate Chaining – Open Addressing – Linear Probing – Priority Queues (Heaps) – Model – Simple implementations – Binary Heap
Preliminaries – Insertion Sort – Shellsort – Heapsort – Mergesort – Quicksort – External Sorting
Definitions – Topological Sort – Shortest-Path Algorithms – Unweighted Shortest Paths – Dijkstra’s Algorithm – Minimum Spanning Tree – Prim’s Algorithm – Applications of Depth-First Search – Undirected Graphs – Biconnectivity – Introduction to NP-Completeness
REFERENCES
2. Richard F. Gilberg, Behrouz A. Forouzan, “Data Structures – A Pseudocode Approach with C”, Thomson Brooks / COLE, 1998. 3. Aho, J. E. Hopcroft and J. D. Ullman, “Data Structures and Algorithms”, Pearson education Asia, 1983. EC1201 ELECTRON DEVICES 3 0 0 100
The aim of this course is to familiarize the student with the principle of operation, capabilities and limitation of various electron devices so that he will be able to use these devices effectively. OBJECTIVE On completion of this course the student will understand
UNIT I ELECTRON BALLISTICS 9 Electron Ballistics: Charged particles – Force, field intensity, potential and energy – Two dimensional motion of electron – Force in magnetic field – Motion in a magnetic field – parallel and perpendicular electric and magnetic fields – Electrostatic deflection and Magnetic deflection in a Cathode Ray Tube – Principles and applications of CRO. UNIT II SEMICONDUCTOR DIODES AND SPECIAL DIODES 10 Semiconductor diodes: Classification of semiconductors – Conductivity of semiconductors – Carrier concentration in intrinsic semiconductor – Mass-Action Law – Properties of intrinsic semiconductors – Variation in semiconductor parameters with temperature – Drift and diffusion currents – Carrier life time – Continuity equation – Theory of PN junction diode – Energy band structure of open circuited PN junction – Quantitative theory of PN diode currents – Diode current equation – Diode resistance – Transition or space charge capacitance – Diffusion capacitance – Effect of temperature on PN junction diodes – Junction diode switching characteristics – Breakdown in PN junction diodes Special diodes: Zener diode – Backward diode – Varactor diode – Step recovery diode – Point-contact diode – Tunnel diode – PIN diodes UNIT III BIPOLAR JUNCTION TRANSISTORS 9 Bipolar Junction Transistors: Construction – Transistor Biasing – Operation of NPN transistor – Operation of PNP transistor – Types of configuration – Breakdown in transistors – Ebers-Moll model – Transistor switching times. Small signal models for transistors: Introduction – Two port Devices and Network parameters – The Hybrid Model for Two port Network UNIT IV FIELD EFFECT TRANSISTORS 8 Construction of N-Channel JFET – Operation of N-Channel JFET – Characteristic parameters of the JFET – Expression for saturation drain current – Slope of the transfer characteristics at IDSS – Comparison of JFET and BJT – Applications of JFET – Metal oxide semiconductor field effect transistor (MOSFET) – Enhancement MOSFET – Depletion MOSFET – Comparison of MOSFET with JFET – Handling precautions for MOSFET – Comparison of N-with P-Channel MOSFETs – Comparison of N-with P-Channel UNIT V METAL SEMICONDUCTOR CONTACTS AND POWER CONTROL DEVICES 9 Metal Semiconductor Contacts: Energy band diagram of metal semiconductor junction - Schottky diode and ohmic contacts – GTO. Power control devices: PNPN diode (Shockley diode) – SCR – Thyristor ratings – LASCR (Light Activated SCR) – TRIAC – DIAC – Structure & Characteristics. Characteristics and equivalent circuit of UJT - intrinsic stand-off ratio. TOTAL : 45 TEXT BOOKS
REFERENCES
EC1202 CIRCUIT ANALYSIS 3 1 0 100 UNIT 1 CIRCUIT ANALYSIS 9 Network graphs- Concept of branch, link, tree and co-tree – Kirchoff’s laws- Matrix representation and solution of dc and ac networks – node and loop basis – dual networks – series and parallel resonance circuits – bandwidth and selectivity of resonant circuits. UNIT 2 Network Theorems and transformations 9 Voltage and current source transformations – Star and delta Transformations – Superposition, Reciprocity, Substitution, Thevenin, Norton, Tellegen and maximum power transfer theorems – Statement and applications. UNIT 3 RESPONSE OF ELECTRIC CIRCUITS 9 Concept of complex frequency – pole – Zero plots – frequency Response of RL,RC and RLC circuits – transient response of RL,RC and RLC series and parallel circuits – free response – step and sinusoidal responses – natural frequency , damped frequency, damping factor and logarithmic decrement – response of circuits for non-sinusoidal periodic inputs UNIT 4 COUPLED AND THREE PHASE CIRCUITS 8 Coupled Circuits – Co-efficient of Coupling – self and mutual inductances – analysis of coupled circuits – single and double tuned coupled circuits – coefficient of critical coupling – analysis – frequency response of tuned coupled Circuits-Three phase circuits – balanced circuits – star and delta connected loads – unbalanced circuits – solution of unbalanced star and delta connected loads – power measurement by two-wat meter method . UNIT 5 TWO PORT NETWORKS AND FILTERS 10 Driving point and transfer impedances/admittances – voltage and current ratios of two port networks – admittance , impedance, hybrid , transmission and image parameters for two-port networks – impedance matching equivalent Pi and T networks – passive filter as a two port network – characteristics of ideal filter – lowpass and high pass filter. TOTAL : 45 Yüklə 0,65 Mb. Dostları ilə paylaş:
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