* Inplant Training: Every student has to undergo training arranged by T & P department, in some company for one month to get the exposure and practical experience. He/She has to submit the detailed report of the training, on the basis of which the term-work marks shall be awarded. Note: Minimum two tests should be conducted for each theory subject and average of best two tests should be considered.

SWAMI RAMANAND TEERTH MARATHWADA UNIVERSITY, NANDED TEACHING AND EXAMINATION SCHEME

Third Year Electrical (Electronics & Power Engineering)New ( w.e.f. Academic Year 2010-11)

Examination Scheme (Marks) S.

No.

Name of the Subject

Teaching scheme (Hours/ Week) Paper Test Term

Work

Practical

Total

PART-I

1 Industrial Management & Economics 4 80 20 − − 100

2 Induction Motor Theory & Design 4 80 20 − − 100

3 Distribution & Utilisation 4 80 20 − − 100 4 Signals & Systems 4 80 20 − − 100 5 Linear Control Theory 4 80 20 − − 100

6 Induction Motor Theory & Design Lab. 4 - - 50 50 100

7 Distribution & Utilisation Lab. 2 − − 25 25 50

8 Signals & Systems Lab. 2 − − 25 25 50 9 Linear Control Theory Lab. 2 − − 25 25 50

Total of Part-I −> 30 400 100 125 125 750 PART-II

10 Electro Magnetic Fields 4 80 20 − − 100

11 Synchronous Machine Theory & Design 4 80 20 − − 100

12 Power System Analysis & Energy Audit 4 80 20 − − 100

13 Power Electronics 4 80 20 − − 100 14 Microprocessor & Interfacing 4 80 20 − − 100

15 Synchronous Machine Theory & Design Lab. 2 − − 25 25 50

16 Power System Analysis & Energy Audit Lab. 2 − − 25 25 50

17 Power Electronics Lab. 2 − − 25 25 50

18 Microprocessor & Interfacing Lab. 2 − − 25 25 50

19 Seminar 2 - - 50 - 50 20 * Inplant Training - - - - - -

Total of Part-II −> 30 400 100 150 100 750

01. INDUSTRIAL MANAGEMENT & ECONOMICS Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks Unit I [8Hrs] Management & Organisation: Conceptual difference between the terms Management, Administration and Organisation; Evolution of Modem Management — Contributions of F.W. Taylor, Henry Fayol, Elton Mayo, contributions after 1950 upto present times; Management — An Art, Science or Profession; Functions and Principles of Management; Managerial Levels; Managerial Responsibilities. Factors deciding selection of forms of business organizations; Forms of business Organisations — Individual Proprietorship, Partnership, Joint Stock Company, Cooperative enterprises, Public Sector Undertakings or State Enterprises; Organisational Structures in Industries — Line Org., Functional Org; Line & Staff Org; Committee Org; Project Org; Matrix Org; Concepts of Line, Functional and staff authorities/areas; Organisational Principles — Span of Control, Authority & Responsibility, Centralisation Versus Decentralization, Delegation etc. Unit II [6Hrs] Economics: Definition and scope of modem Economics; Basic Concepts — goods, utility, wants, price, cost, profit, revenue; Laws and determinants of Demand & supply; Elasticities of Demand —Measurement, Practical applications; Exceptions to the laws of demand and supply. Money-Definition, Evolution and Functions; Classification of Banks and financial institutions and their role in Economic development; concepts of money market and capital markets; Liberalisation; Privatisation; Globalisation. Unit III [2Hrs] House’s Path-Goal leadership theory; Industrial Psychology-Effect on Employees Job-Satisfaction, Productivity and quality of work. Unit IV [8Hrs] Personal Management: Definition, Importance & functions/Scope of personnel management; Manpower planning; Recruitment; Selection; Training; Job Evaluation; Merit Rating; Wage administration; Methods of Wage Payments. Industrial accidents/injuries Nature, Causes, costs involved; Employee Safety- Safety Engineering, safety education and Training, Accidents prevention, Statutory Provisions for safety in India; Occupational hazards, diseases & protection against them. Unit V [8Hrs] Financial Management: Definition, Functions, Scope, Importance; Types of capital, capitalization (over/under), Differences between financial, cost and management accountings; Elements of cost; Fixed & variable costs; Break even Analysis; Depreciation-Concept, methods; Financial statement; Budgets & Budgetary Control.

Unit VI [8Hrs] Marketing Management: Definition, difference between marketing and selling concepts; Marketing Mix for products (4P) and services (7P); market segmentation; distribution channels; Sales Forecasting; market research; Advertising; Retail marketing; Difference between Products and Services marketing; E-Commerce; Internet Marketing; Customer Relationship Management (CRM); Business & Professional Ethics. Reference Books: 1) Essentials of Management — Harold Koontz and Odonnel 2) Industrial Engineering and Management — O.P. Khanna 3) Industrial organization & Engineering Economics — Banga & Sharma 4) Business Organisation & Management — M.C. Shukia 5) Elementary Economic Theory — K.I. Dewett 6) Marketing Management — By Kotler & Keller 7) Indian Economy — By Dutta & Sunderam 8) Personnel Management — By C.B. Marnoria 9) Financial Management — By Prasanna Chandra 10) Financial Management — By P.V. Kulkarni 11) Cost Accountancy — B.K. Bhar 12) Marketing Management —By Ramaswamy & Namakumari. 13) Business Ethics — By Richard George.

02. INDUCTION MOTOR THEORY & DESIGN Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks Unit I: (8 Hrs) Three - phase Induction Motor Basic Theory Production of rotating mmf by 3- phase currents fed to a symmetrical 3-phase winding. Construction : Stator & rotor, Stator 3-phase windings. Types of rotors : Squirrel cage rotor & phase wound rotor. Principle of working. Simplified theory with constant air gap flux; slip, frequency of ràtor emf & rotor currents. Mmf produced by rotor currents, its speed w.r.t. rotor & w.r.t. stator. Production of torque & torque-slip relation, condition for maximum torque & expression for the maximum torque. Torque-slip characteristics. Effect of rotor resistance on torque-slip characteristics. Unit II: (8 Hrs) Losses in three phase induction motor, power- flow chart. Relation between rotor itiput powers rotor copper loss & gross mechanical power developed. Efficiency & condition for maximum efficiency. Induction motor as a generalized transformer; phasor diagram. Exact & approximate equivalent circuit; Circle diagram. Tests to determine the equivalent circuit parameters & for plotting the circle diagram. Computation of performance characteristics from the equivalent circuit & from circle diagram. Performance curves. Unit III: (8 Hrs) Necessity of starter for 3-phase induction motor. Starters for slip-ring induction motors & for cage rotor induction motors ; stator - resistance starter, auto transformer starter, star delta starter & rotor resistance starter. D.O.L. starter & soft starting. Starting torque & starting current with use of starter. Ratio of starting torque to full-load torque & ratio of maximum torque to full-load torque. ComparisQn of various starters. Comparison between 3-phase slip-ring induction motor & cage-rotor induction motor. Double-cage motors for higher starting torque & better running performance. Torque-slip characteristics of the double cage motor. Phenomenon of cogging, crawling & noise production in 3-phase induction motors. Applications of 3-phase induction motors. Speed control of 3-phase induction motors by various methods such as rheostatic control, frequency (or v/f) control, pole-changing, cascading. Descriptive treatment of speed & pf control by injection of emf in the rotor - relevant phasor diagrams; control of slip power. Unit IV: (8 Hrs) Single phase Induction Motors Mmf produced by 1-phase stator winding carrying an alternating current. Its representation by two revolving fields. Construction of 1-phase induction motor. Rotating-field theory. Equivalent circuit & torque-slip characteristics on the basis of rotating field theory. Tests to determine the parameters of equivalent circuit & calculation of performance therefrom. Performance curves. Methods to make 1-phase induction motors seIf starting. Types of 1-phase induction motors : Split phase motors ( resistor split-phase motor, Capacitor start motor, Capacitor motor), Shaded pole motor their construction, connections, torque-slip characteristics & applications. Comparison of 1-phase induction motor with 3-phase induction motor.

Unit V [8 Hrs] Design of Main Dimension of Three Phase Induction Motor Specifications and output equation of 3I I. M., Factors affecting the size of the machine, Choice of specific magnetic & electric loading, Efficiency and power factor, Calculation of main dimensions, Separation of D & L, Peripheral velocity, Ventilating ducts. Unit VI [8 Hrs] Design of stator, Rotor & Estimation of operating characteristics of Three phase Induction Motor Stator winding design, Stator slot design, Stator teeth design, Depth of stator core, Air gap length, Rotor design, Design of wound rotor, Design of rotor core, Estimation of operating characteristics, Dispersion Coefficient. Design of rotor resistance starter. Reference Books: The performance & design of A.C. Machines- M. G. Say Electrical Machines- Nagrath Kothari Electrical Technology- B. L. Theraja (Vol. II) Theory of alternator current machinery- A.S. Langsdroff Electric machinery- Dr. S. K. Sen Electrical Technology- B. H. Deshmukh Electrical Machine Design- A. K. Shawney Principle of Electrical Machine Design.- R. K. Agarwal

03. DISTRIBUTION & UTILISATION

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT - I Underground Cables: [7 Hrs] Classification — construction — requirements of insulating material — insulation resistance — capacitance — dielectric stress in single core cable. Grading of cables capacitance grading and inter sheath grading - laying of cables — cable jointing — causes of failure — cable faults and location of faults. Unit - II Distribution System : [7Hrs] Classification of distribution system — A.C. distribution connection schemes of distribution system - requirements of distribution system — design consideration — design of radial, ring distributors for concentrated, distributed loads and combination of both types of loads feeder design based on Kelvin’s law and its limitations. Unit III Substations : [6Hrs] Classification of substation, selection & location of site, main connection schemes, Equipments used in substation, various symbols — C.B. , L.A., fuses, relays, power transformer, bus bar and its arrangement, CT.- PT, isolators, earthing switch, capacitor bank, batteries PLCC, control room, etc., Connection diagram and its layout. Unit IV Electric Traction: [10 Hrs] Traction Systems, Steam engine drive, I.C. engine drive, Electric drive, Diesel electric traction, Battery drives, Mechanics of train movements. Speed-Time curves for different services, Trapezoidal and Quadrilateral speed-time curves, average & schedule speed, Calculations of tractive effort, Specific energy consumption for given run, effects of varying acceleration & braking retardation, Adhesive weight. Coefficient of adhesion, Starting of traction motors, calculation methods to reduce energy loss during starting. Types of braking, advantages & limitations. Unit V Illumination: [6 Hrs] Introduction, terms used in illumination, Laws of illumination, Polar Curves, Photometry, Integrating Sphere, Source of light, Discharge lamps, MV & SV lamps, Comparison between Tungsten filament lamps & fluorescent tubes, Basic principles of light control, lighting, Street lighting & Flood lighting. Unit VI Electric Heating and Welding: [4 Hrs] Advantages and methods of electric heating, Introduction to Resistance heating, Induction heating & Dielectric heating, Electric arc Furnaces. Electric Welding, Resistance and Arc Welding, Electric welding equipment, Comparison between A.C. & D.C. welding. Reference Books: 1. Electrical Power: S.L. Uppal, Khanna Publication 2. A Course in Electrical Power: Soni, Gupta, Bhatanagar, Dhanpatrai & Co. 3. A Course in Power System: J. B. Gupta, S.K. Kataria & Son’s 4. Utilasation of electrical energy: O.E. Taylor 5. A Course in Electrical Power: J.B. Gupta 6. Art & Science of Utilisation of Electrical Energy:H. Partab

04. SIGNALS & SYSTEMS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT-I Signals and Systems: [08 Hours]

Continuous Time and Discrete Time Signals: Transformations of the Independent Variable; Exponential and Sinusoidal Signals; Unit Impulse and Unit Step Functions; Continuous-Time and Discrete-Time Systems; Basic System Properties. Linear Time-Invariant Systems: Discrete-Time LTI Systems, The Convolution Sum; Continuous- Time LTI Systems, The Convolution Integral; Properties of Linear Time- Invariant Systems; Causal LTI Systems described by Differential and Difference Equations; Singularity Functions.

UNIT-II Fourier series Representation of Periodic Signals: [06 Hours]

Historical Perspective, Response of LTI Systems to Complex Exponentials, Fourier series representations of Continuous Time Periodic Signals, Convergence of the Fourier series, Properties of Continuous Time Fourier Series, Fourier series representation of Discrete-Time Periodic Signals, Properties of Discrete-Time Fourier Series, Fourier series and LTI Systems, Filtering, Examples of Continuous Time Filters Described by Differential Equations, Examples of Discrete- Time Filters Described by Difference Equations.

UNIT-III Continuous-Time Fourier Transform: [06 Hours]

Representation of Aperiodic Signals, Continuous lime courier Transform, Fourier Transform of Periodic Signals; Properties of Continuous Time Fourier Transform: Convolution Property, Multiplication Property; Tables of Fourier Properties and Basic Fourier Transform Pairs, Systems Characterized by Linear Constant-Coefficient Differential Equations.

UNIT-IV Discrete-Time Fourier Transform: [08 Hours]

Representation of Aperiodic Signals, Discrete Time Fourier Transform, Fourier Transform of Periodic Signals; Properties of the Discrete- Time Fourier Transform: Convolution Property, Multiplication Property; Tables of Fourier Transform Properties and Basic Fourier Transform Pairs, Duality, Systems Characterized by Linear Constant-Coefficient Difference Equations. Sampling, Representation of a continuous time signal by its samples reconstruction of a signal from its samples, alising UNIT-V Laplace Transform: [06 Hours]

Region of Convergence for Laplace Transforms, Inverse Laplace Transform, Geometric Evaluation of the Fourier Transform from the Pole-Zero Plot, Properties of the Laplace Transform, Some Laplace Transform Pairs, Analysis and Characterization of LTI Systems Using the Laplace Transform, System Function Algebra and Block Diagram Representations, Unilateral Laplace Transform.

UNIT-VI Z-Transform: [06 Hours]

Region of Convergence for Z-Transform, Inverse Z-Transform, Geometric evaluation of Fourier Transform from Pole-Zero Plot, Properties of Z-Transform, Some Common Z-Transform Pairs, Analysis and Characterization of LTI Systems using Z- Transforms, System Function Algebra the Unilateral Z-Transforms.

Text Books:

• Signals and Systems by A. V. Oppenheim, A. S. Willsky, and Nawab. • Signals and Systems by Simon Haykin

05. LINEAR CONTROL THEORY

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT I. Introduction to control system (10 Hours)

Introduction, examples of control systems, open loop and closed loop control systems, effect of feedback on overall gain, parameter variations, control over system dynamics, regenerative feedback, Transfer function and impulse response of systems, canonical form of feedback control system, Laplace Transform: Properties, Poles & zeros. Mathematical modeling of systems: Block diagram representation of control system, rules and reduction techniques, signal flow graphs, Mason’s gain formula and its application to block diagram reduction. UNIT II : Time-domain analysis of control system (6 Hours) Standard test signals, Impulse response function, First order system, second order system, time domain specifications of systems, Classification of control systems according to “Type” of systems, Steady – state errors, static error constants, Steady – state analysis of different types of systems using step, ramp and parabolic input signals, effect of adding poles and zeros to transfer functions, effects of integral and derivative control action on system performance UNIT III: State Variable Analysis and Design (4Hours) Concept of state, state variable and state model, solution of state equation, state model for LTI control systems, matrix representation of state equation, conversion of state variable model to transfer function, concept of controllability and observability UNIT IV: Stability Analysis of Linear Control System (6 Hours) Introduction to concept of stability, Stability analysis using Routh’s stability criterion, Absolute stability, Relative stability. Root-Locus Analysis: Introduction, Root–Locus plots, summary of general rules for constructing Root–Locus, Root–Locus analysis of control systems. UNIT V: Frequency-Response Analysis (9 Hours) Introduction, Frequency domain specifications, resonance peak and peak resonating frequency, relationship between time and frequency domain specification of systems. Frequency-Response Plots: Bode plots, Polar plots, gain margin, phase margin, Log–magnitude Vs phase plots, stability analysis of system using Bode plots. Nyquist stability criterion, stability and relative stability analysis. UNIT VI: Control system components (5 Hours) DC and AC servomotors, servo amplifier, potentiometers, synchro transmitters, synchro receivers, synchro control transformer, PLC concept and architecture, SCADA- architecture and applications.

Reference books:

1. K. Ogata, Modern Control Engineering, Fourth Edition, Pearson Education India,2002. 2. Benjamin C. Kuo, Automatic Control Systems, Prentice Hall Of India, Seventh Edition. 3. I. J. Nagrath and M. Gopal, Control Systems Engineering, Third Edition, New Age

International Publishers, India, 2001. 4. Norman S. Nise, Control Systems Engineering, Third Edition, John Wiley and Sons Inc.,

Singapore, 2001. 5. Curtis Johnson, Process Control Instrumentation Technology, Prentice Hall Of India,

Fourth Edition 6. William S. Levine,”The control Handbook”,CRC-IEEE Press.

06. INDUCTION MOTOR THEORY & DESIGN LAB.

Teaching Scheme Examination Scheme Practicals : 4 Hrs/week TermWork : 50 Marks Practical : 50 Marks Experiments: 1. Load test on 3-phase induction motor. 2. No load test & blocked-rotor test on 3-phase induction motor: (a) determination of parameters of equivalent circuit (b) Plotting of circle diagram. 3. Calculation of motor performance from (a) & (b) above , 4. Speed control of 3-phase induction motor: V/f control or pole-changing. 5. Speed-torque characteristics of 3-phase slip-ring induction motor with different values of resistances inserted in the rotor circuit. 6. Study of induction motor starters. I 7. Induction generator operation of 3-phase induction1 motor. 8. Load test on 1-phase induction motor. 9. No load & blocked-rotor test on a Capacitor-start 1-phase induction motor &determination of equivalent circuit parameters. 10. Effect of variation of voltage on three phase Induction Motor. Note: The term work shall consist of the record of eight experiments based on the course outline above. In design a report of design of Induction motor is prepared for a typical induction motor which will contain entire design procedure, calculations and sketches with dimensions on 1/8 size drawing paper.

07. DISTRIBUTION & UTILISATION LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks The term-work shall consist of report with 3 sheets on drawing paper: Report and Sheets:

1. Distribution substations 2. Visit to substation and its actual single line diagram 3. Types of Cables

08. SIGNALS & SYSTEMS LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks Students have to perform at least Ten programs based on MATLAB from following topics:

• Generation of deterministic and random signals • Linear convolution of two discrete time signals • Fourier series representation of continuous time periodic signals • Continuous time Fourier transform • Discrete time Fourier transform • Sampling Theorem • Reconstruction of signal from it’s samples • Laplace Transform, pole-zero plot • Z-transform, pole-zero plot

09. LINEAR CONTROL THEORY LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks Practical list

1. Determination of transfer function of an armature controlled DC motor.

2. Study of AC or DC positional servo system. 3. Study the performance of an open and closed loop control system using Op-Amp based

electronic amplifiers. 4. Study the performance of a second order system (use any Op-Amp based electronic

system such as an active second order butterworth filter). 5. Study of synchro transmitter and receiver. 6. Study of stepper motor

Experiments based on software (programs)

1. Compute and plot the unit-step response of the unity feedback closed loop systems with the given forward path transfer function.

2. Study of effect of damping factor on system performance by obtaining unit step and unit impulse response for a standard second order system.

3. Write a program that will compute the time response specifications of a second order system.

4. Study and plot the unit step response of addition of a pole and a zero to the closed loop transfer function. Plot the responses for four different values of poles and zeros. Comment on the simulations obtained.

5. Plot and comment on various properties for the given system by using (i) Routh-Hurwitz criterion (ii) Root locus technique

6. Plot and comment on various properties for the given system by using (i) Bode plots (ii) Nyquist plots

10. ELECTROMAGNETIC FIELDS Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

Unit 1: [10 hrs] Vector analysis: Scalars and vectors, Vector algebra, Vector components and unit vectors, Vector field, The Cartesian Coordinate System, Dot, cross products, circular, cylindrical and spherical coordinate systems. Coulomb's Law and electric field intensity, Electric field due to a continuous Volume Charge Distribution, field of a line charge, field of a Sheet of a charge

Unit 2: [7 hrs] Electric Flux Density Gauss Law and divergence: Gauss's Law and its Applications: to some symmetrical charge distribution and differential volume element, divergence, Maxwell's first equation (electrostatics), the vector operator and the Divergence theorem, Energy and Potential Energy expended in moving a point charge in an electric field, line integral, potential difference and potential, potential gradient, potential field of a point charge and system of charges, dipole, energy density in electrostatic field.

Unit 3: [5 hrs] Conductors dielectric and capacitance: Current and current density, continuity of current,conductor properties and boundary conditions nature of dielectric, boundary conditions for perfect dielectric, capacitance, and capacitance of two-wire line. Poisson's and Laplace Equations:

Unit4: [10 hrs]

Steady Magnetic Field: Biot-Savart's law, Amperes circuital law, curls, strokes theorem, magnetic flux and magnetic flux density, scalar and vector magnetic potentials.

Unit 5: [7 hrs] Magnetic forces and inductance: Force on moving charge, differential current element, force between differential current element and-ft torque on a closed circuit, nature of magnetic materials, magnetization permeability, magnetic boundary conditions, magnetic circuit, self and mutual inductance.

Unit 6: [5 hrs] Time varying field sand Maxwell’s equations : Faradays law, Maxwell's equations in point form, Maxwell's equations in integral form. *

TEXT BOOKS:

• William H.Hayt. "Engineering Eletromagnetics"Tata Mc Graw-hill Fifth edition. • Edminister Schawn's "Outline Theory and Problems of Electromagnetics" Tata McGraw-hill edition.

REFERENCE BOOKS: Singh, "Electromagnetic Waves and Fields" Tata McGraw-hill edition.

11. SYNCHRONOUS MACHINE THEORY & DESIGN

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks Unit I: (10 Hrs) Three phase Synchronous machines, Construction, principle of generator action & motor action. Rotating- field type & rotating-armature type construction, salient- pole type & non-salient-pole type construction. Their comparison. Introduction to 3-phase armature windings, e.m.f. equation & winding factors. Generator on no-load. Effect of balanced load: effects of armature currents, resistance drop, armature copper loss, leakage flux & leakage reactance drop & armature reaction m.m.f. Electro-magnetic torque developed. Losses, power - flow chart & efficiency of generator. Ratings. Definition of voltage regulation at a given load. Definition of short-circuit ratio. Determination of regulation by direct-loading test. Predetermination of regulation of non-salient-pole alternators by e.m.f. i.e. synchronous impedance method, m.m.f. method, Potier method. Power- power angle relation for non-salient-pole alternators. Operating chart of alternator. Unit II: (8 Hrs) Blondel’s two-reaction theory for salient-pole machines: Direct-axis & quadrature-axis synchronous reactances, their determination by slip test. Phasor diagram of Salient-pole alternator & calculation of regulation. Power-power angle relation for Salient-pole alternator. Unit III : (8 Hrs) Parallel operation of 3-phase alternators: Comparison of an alternator working singly & in parallel with infinite bus-bars. Load sharing between two alternators in parallel. Parallel-Generator theorem. Process of synchronizing an alternator with infinite bus-bars by lamp methods & by use of synchronoscope. Synchronising power & synchronizing torque of an alternator connected with infinite busbars. Unit IV: (10 Hrs) Motor action of a synchronous machine: Phasor diagram on the basis of synchronous impedance. Power flow chart, losses. Locus of the tip of the current phasor under the condition of (i) constant electromagnetic power developed & (ii) constant excitation Operation of 3-phase Synchronous motor with constant excitation & variable load. Significance of torque angle, load characteristics. Operation of 3-phase synchronous motor with a constant mechanical load on its shaft & variable excitation. ‘V’ Curves & ‘inverted V’ (pf) curves.

Why a synchronous motor is not self-starting ? Various methods of starting. Phenomenon of hunting or phase - swinging - its remedies. Introduction to synchronous - induction motor.

Applications of 3-ph synchronous motors & comparison of 3 -ph synchronous motor with 3-phase induction motor. Testing of synchronous machines as per BIS. Unit V: (4 Hrs) Special Motors (Descriptive Treatment Only) Construction, principle of working, characteristics, ratings & applications of Hysterisis motor, Reluctance Motor, Brushless d.c. motors Stepper motors, Permanent Magnet motor & linear induction motors. Unit VI: ( 8Hrs) Design of Synchronous machine Design specifications, output equitation and estimation of main dimensions of synchronous machines (Salient pole & non salient pole)study of cooling methods of synchronous machines. Reference Books:- 1. The performance & design of A.C. Machines. M. G. Say

2. Electrical Machines Nagrath Kothari

3. Electrical Technology B. L. Theraja (Vol. II)

4. Theory of alternator current machinery A.S. Langsdroff

5. Electric machinery Dr. S. K. Sen

6. Electrical Technology B. H. Deshmukh

7. Electrical Machine Design A. K. Shawney

8. Principle of Electrical Machine Design. R. K. Agarwal

12. POWER SYSTEM ANALYSIS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks Unit-I [8 Hrs] Transmission Line Parameters: Representation & performance of long transmission line tarenty effect, tuned power lines, search impedance – losses, efficiency & regulation of lines. Generalised circuit constant : representation of tee & pi models lines as two port network, evaluation & estimation of ABCD constants, power flow through the transmission line, construction of receiving end & sending end circle diagram. UNIT: II [8 Hrs] Power System Modeling: Single line, impendence and reactance diagrams of power systems and their use. The per unit system of parameter value representation-selection of base, change of base, advantages, its application to impendence diagram. Representation and modeling of long line. Synchronous generator, power transformer, three winding transformer. UNIT: III [6 Hrs] Network Equations : Graph theory and its applications for formation of primitive network and Z and Y matrices, incidence matrices, Y-bus and Z-bus matrices. Load Flow studies: Introduction, network model formulation, formation of Y-bus by singular transformation, Load flow problem, Iterative methods of load flow such as Gauss Gauss-Seidel, Newton-Raphson method, decoupled load flow and fast decoupled load flow. UNIT: IV [6 Hrs] Symmetrical Fault Analysis: Transients on a transmission line, short circuit of a synchronous machine on no load and on load. Short circuit current computation, selection of circuit breakers, Z-bus formulation, algorithm of short circuit studies UNIT: V [10 Hrs] Symmetrical Components and Unsymmetrical Fault Analysis: Fundamentals of symmetrical components, sequence impedance and sequence network of star connected loads, transmission lines, synchronous machines, and transformer, sequence network of a loaded generator, single line to ground (L-G), Line to line (L-L), double line to ground (L-L-G) faults, unbalanced fault analysis of above faults using bus impedance matrix, bus voltages and line currents during faults. UNIT: VI [6 Hrs] Power System Stability: Concept of steady state, dynamic and transient stability of power systems and the factors controlling each, Steady state stability, its evaluation and variation of limits of stability under system conditions. Introduction to dynamic stability concept, controlling factors and need for its consideration in modern power systems. Transient stability and importance of rotating machine dynamics in the power system stability evaluation. The swing equitation, its derivation, nature of its salutation and uses. (Consideration of one machine-infinite bus problem only.)

Reference Books: 1. Elements of power system analysis W.D.Stevenson.

2. Modem power system analysis- Nagrath, Kothari.

3. Power system analysis and design- B.R.Gupta.

4. Power system analysis- Hadi Sadat.

5. Introduction to electrical energy systems theory- Olle I Elgerd.

6. Electric power systems- Weedy.

7. Power system stability- E.W.Kimbark

8. Computer Method in Power System Analysis- Stagg W. D. & EI-Abiad A. H.

13. POWER ELECTRONICS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks Unit I [8Hrs] Thyristor Power Devices: Characteristics, Specifications, Protection, Switching action of SCR, DIAC, TRIAC, GTO, Control and communication of these devices. Applications of these devices. Unit II [8Hrs] Modem Power Devices: Characteristics, Specifications, Protection and switching action of MOSFET, IGBT, MCT and their control circuit, Comparison and Area of application of these devices. Unit III [8Hrs] AC to DC Converters ( 1 phase & 3 phase) : Single phase and three phase semi-Controlled and full controlled briges with R, R-L and RLE loads. Rectifier and inverter Operation. Dual converter. Unit IV [8Hrs] DC to DC Converter: Principal of operation of chopper, classification or the basis of Operating quadrants, Control techniques, CLS, TRC, PWM and FM Techniques.Analysis of step-down chopper with RLE load. Steo up chopper, Areas of application. Necessity of input filter. Unit V [8Hrs] DC to AC Inverter: Principal of operation, types, VSL, CSL, their operation and application areas, Single-phase series invertor, Application area and operating frequency range of power semi-conductor devices used. Unit VI [8Hrs] PWM Inverters: Principle of operation, Performance parameters, Working of single phase and three phase circuits, Current Source Inverter, ASCCSI. PWM Converters Principle of operation, circuit configurations, performance waveforms and applications of Switched Mode Converters (buck, boost and buck-boost) Switched Mode Rectifiers, Power conditioners and UPS. converter with RLE Load. Reference Books: 1. Power Electronics-Vedam Subramanyam, New Age International, New Delhi. 2. Thyristorised Power Controllers-Dubey,Donalda, Joshi,Wiely Eastem,New Delhi. 3. Power Electronics- M.D. Singh and K.B.Khandchandani, , Tata McGraw Hill. 4. Power Electronics Systems Theory and Design- Jai P.A. Agarwal, L.P.E. Pearson Syllabus for unit tests: 5. Power Electronics-P.S. Bhimbra

14. MICROPROCESSOR & INTERFACING

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT I: THE 8085 MICROPROCESSOR 6Hrs Evolution and overview of Microprocessor, The 8085 Microprocessor Architecture and pin diagram of 8085, ALU timing and control unit, registers, data and address bus, timing and control signals, fetch and execute operations, instruction and data flow, system timing diagram, transition state diagram, system configuration for 8085. UNIT II: THE 8085 PROGRAMMING 9Hrs Instruction type classification of instructions, addressing modes, instruction format, over view of instruction set, writing assembly language programs, data manipulations, fixed point arithmetic, data conversion, sorting numeric data, look-up table and time delays, concepts of stack, interrupts, interrupt service ubroutine. UNIT III: INTERFACING MEMORY WITH 8085 5Hrs Memory types, memory organization, use of RAMs and EPROMs, exhaustive and partial decoding, design examples. UNIT IV: I/O INTERFACING 9Hrs Data transfer schemes, memory mapped I/O and I/O mapped I/O, programming and interfacing of 8255,8251, 8254, 8279 with 8085. UNIT V: ANALOG INTERFACE 5Hrs Types of A/D & D/A converters, Interfacing & programming of ADC-0808/0809 and DAC-0800. Multiplexers and demultiplexers, 8085 based data acquisition system, UNIT VI: APPLICATIONS 6Hrs Measurement of voltage/current, frequency, stepper motor interfacing, temperature control, speed control of DC motor, digital IC tester(use 8355/8755). REFERANCE BOOKS: 1. The 8085A Microprocessor software, programming and Architecture(second edition). Brarry B.Bray PHI 2. Assembly language programming -Lance P. Levanthal 3. Ramesh S.Gaonkar, “Microprocessor - Architecture, Programming and Applications with the 8085”, Penram International publishing private limited, fifth edition 4. Douglas Hall: Digital Electronics & Microprocessors 5 .Fundamentals of Microprocessors and Microcomputers - B.Ram 6. Microprocessor principals and applications- Ajit pal

15. SYNCHRONOUS MACHINE THEORY & DESIGN LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks List of Experiments: 1. Direct loading test on alternator.

2. OC & SC test on alternator & determination of regulation by emf & mmf method. & zero

potier method.

3. Determination of regulation by zero power factor & potier angle method.

4. Synchronization of alternator with busbar.

5. Slip test on salient pole alternator. Determination of regulation by two reaction theory.

6. V curve of synchronous motor.

7. Load test on synchronous motor.

8. Load test on Universal motor.

Note: The term work shall consist of the record of all five experiments based on the course outline above. In design a report of design of synchronous machine main dimensions is prepared which will contain the design procedure calculations and sketches with dimensions on 1/8 size drawing paper.

16. POWER SYSTEM ANALYSIS LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks List of Experiments:

The term work shall consist of the record of minimum eight experiments based on the course outline below. 1. Measurement of A,B, C, D constant of long transmission line. 2. Study of effect of VAR compensation on receiving end voltage profile on a transmission line using capacitor bank. 3. Determination of steady state stability limit for transmission line. 4. Determination of steady state limit of a synchronous motor and plotting P-6 curve. The term work shall consist of the record of minimum eight experiments based on the course outline above. analyzer. 5. Measurement of sub transient reactance of a salient pole synchronous machine by Static impedance /Daton — Cameron method. 6. Measurement of negative sequence reactance of synchronous machine. 7. Measurement of zero sequence reactance of synchronous machine. 8. Fault analysis for symmetrical fault by simulation or AC/DC network analyzer. 9. Unsymmetrical fault analysis by simulation or AC/DC network analyzer. 10. Computer aided solution of 3 bus load flow problem using Gauss-Seidel method. 11. Formation of Y bus matrix using computer programming. 12. Study of load flow on 3 bus system using by actual simulation! AC network 13. Circle diagram of medium transmission line. 14. Circle diagram of short transmission line.

17. POWER ELECTRONICS LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks The term work shall consist of the record of minimum eight experiments based on the course outline below. List of Experiments: 1. Study of V-I characteristics of SCR, DIAC, TRIAC (any2). 2. Study of V-I characteristics of power semiconductor devices GTO, MOSFET, IGBT. (any2). 3. Study of 1-phase half controlled and full controlled converter (R & RL load). 4. Study of 3- phase converter. (R, RL, RLE load). 5. Study of chopper circuit.(CLC, TRC techniques). 6. Study of 1-phase series inverter. 7. Study of 3-phase voltage source transistorized inverter. 8. Study of 3-phase current source transistorized inverter. 9. Firing circuit for 3-phase AC-DC converter with RLE Load. 10. Firing circuit for 3-phase converter. 11. Simulation of 3-phase AC-DC

18. MICROPROCESSOR & INTERFACING LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks The term work shall consist of the record of minimum four experiments from each lab based on the course outline below. Software lab: 1. Arithmetic operation-I (Hex and BCD addition and subtraction) 2. Arithmetic operation-II (Unsigned and Signed multiplication and Division) 3. Sorting numeric data (Ascending and Descending order using Bubble sort/Shell sort) 4. Code conversions (BCD to Hex and Hex to BCD) 5. Data transfer, Lookup table and Time delay. Hardware Lab: 1. Interrupts handling and serial I/O programming(SID &SOD) 2. Interfacing and Programming operating modes of 8255. 3. Interfacing and Programming operating modes of 8254. 4 .Interfacing and Programming 8251. 5. Interfacing and Programming 8279. 6. Interfacing DAC and ADC 7. Usage of Timer/Counter (8254) to measure frequency. 8. Stepper Motor Movement Control

19. SEMINAR Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 50 Marks

Student needs to identify a topic in consultation with supervisor, related with cutting edge development in the field and carry out critical literature survey and present it as seminar. In no case a topic covered in UG syllabi will be selected.