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ELECTRICAL MACHINE DESIGN

UNIT-1 Introduction to electrical machine design

Design concepts, factors, material selections, manufacturing techniques, review of basic principle,

heating &cooling techniques.

UNIT-2 Armature windings (DC&AC)

Single layer winding, two layer winding, lap &wave windings, concepts of pole pitch, emf generation-full

pitch coil,fractional pitch coil and concentrated windig.

UNIT-3 DC Machines

Constructional details output equation-choice of specific electric and magnetic loadingsseparation ofD and L for rotating machines. Estimation of number of conductors/turns-coils-armature slots-

conductors dimention-slot dimention.chioce of number of poleslenth of air gapdesing of field

system.interpoles.commutator and brushes.

UNIT-4 Transformers-I

Construction-comparison of core and shell type, single and tree phase transformers comparison. Core

and yoke desing-cross section, construction, cooling of transformers, number of tubus.

UNIT-5 Transformers-II

Transformer windings, coil design, output equation, determination of number of turns and length of

mean turn of winding,resistance,leakage reactance, no load current calculation, losses and efficiency.

UNIT-6 Induction motors-I

Principles of operation, choice of specific electric and magnetic loadings, stator desing (frames), output

equation, choice of conductor ratings, stator winding, stator slots.

UNIT-7 Induction motors-II

Squirrel cage rotor design-air gap length, rotor slots and rotor bars, desing of wound rotor-rotor slots,

windings, short circuit (blocked rotor current).

UNIT-8 Synchronous machines

Constructional features- short circuit ratio- output equation-specific loadings-main dimensions- stator

design. Design of salient pole field coil.

BYSURESH

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MICROPROCESSORS AND MICROCONTROLLERS

UNIT-1 : INTRODUCTIONTO MICROPROCESSOR ARCHITECTURE:

Introduction and evolution of Microprocessor Architecture of 8086, Register organization of 8086, Memory

Organization of 8086, general bus operation of 8086.

UNIT-2 : MINIMUM AND MAXIMUM MODE OPERATIONS :

Instruction set, Addressing modes, Minimum and maximum mode operations of 8086, 8086 control signal

interfacing, read and write cycle timing diagrams.

UNIT-3: ALGORITHMS FOR ASSEMBLY LANGUAGE PROGRAMMING :

Assembly Directives Macros, algorithms for implementation of FOR loops, WHILE,REPEAT and IF-THEN

ELSE Features.

UNIT-4: I/O INTERFACE:

8255 PPI-Architecture OF 8255, modes of operation, interfacing I/O devices to 8086 using 8255,interfacing A

to D converters, interfacing D to A converters, stepper motor interfacing.

UNIT-5: INTERFACING WITH ADVANCED DEVICES:

Static memory interfacing with 8086,DMA controller(8257)- architecture, interfacing 8257 DMA controller

Programmable Interrupt Controller(8259)-command words and operating modes of 8259;keyboard/display

controller(8279)-Architecture, modes of operation, command words of 8279, Interfacing of 8279.

UNIT-6: INTRODUCTION TO 8051 MICROCONTROLLER:

Overview of 8051 Micro controller, Architecture, Register set, I/O ports and Memory Organization, Interrupts,

Timers and counters, serial Communication.

UNIT-7: ASSEMBLY LANGUAGE PROGRAMMING OF 8051:

Addressing modes and Instruction set of 8051, Assembly language programming of 8051, Development

systems and tools.

UNIT-8: INTERFACING AND INDUSTRIAL APPLICATIONS OF 8051: Applications of Micro Controllers, Interfacing

8051 to LEDs, Push button, Relays and Latch Connections, Keyboard Interfacing, Interfacing seven segment

Display, ADC and DAC Interfacing.

BY ANAND

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Management Science

UNIT-1 INTRODUCTION TO MANAGEMENT:

Concept -nature and importance of Management- Functions of management Evaluation of

Management thought Theories of Motivation Decision making process- Designing organizing structurePrinciples of OrganizationTypes of organization structure.

UNIT-2 OPERATIONS MANAGEMENT:

Principles and Types of Management Work study - Statistical Quality control Control charts (P-

chart, R-chart and C-chart) Simple Problems - Material Management: Need for Inventory control EOQ,

ABC analysis (Simple Problems) and Types of ABC analysis (HML,SDE,VED and FSN analysis)

UNIT-3 FUNCTIONAL MANAGEMENT

concept of HRM, HRD and PMIR-Functions of HR Manager Wage payment plans (Simple Problems)

Job Evaluation and Merit Rating Marketing Management Functions of Marketing MarketingStrategies based on product Life Cycle, Channels of distribution.

UNIT-4 PROJECT MANAGEMENT: (PERT/CPM):

Development of Network Difference between PERT and CPM Identifying Critical Pathprobability-

Project Crashing (simple problems).

UNIT-5 STRATEGIC MANAGEMENT:

Vision, Mission, Goals, Strategy Elements of Corporate Planning Process Environmental Scanning

SWOT analysis Steps in Strategy Formulation and Implementation, Generic Strategy alternatives.

UNIT-6 MANAGEMENT ETHICS:

Importance of Ethics in Business and ManagementEthics in Marketing HRM Financial Management

Business Ethics and law (Case example).

UNIT-7 BUSINESS COMMUNICATION:

Report Writing Cross Cultural Communication, Problems and Challenges Presentation Skills Interviews

Video Conferences.

UNIT-8 CONTEMPORARY MANAGEMENT PRACTICE:

Basic concepts of MIS, MRP, just-in-time (JIT) System, Total Quality Management (TQM), Six sigma andCapability Maturity Model (CMM) Levies, Supply Chain Management, Enterprise Resource Planning

(ERP),Performance Management, Business Process outsourcing (BPO), Business process Re-engineering and

bench Marking, Balanced Score Card.

BY ANAND

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POWER SYSTEM ANALYSIS

UNIT-I Per Unit Representation

Per Unit Quantities, single line diagram, Impedance diagram of power system

UNIT-II Power Flow Studies-I

Graph Theory definition, formulation of Y-Bus, necessity of power flow studies-Derivation of static

power flow equations Gauss- Seidel Method (limited to 3-buses),Algorithm.

UNIT-III Power Flow Studies-II

Newton Raphson Method in Rectangular and polar coordinates form-Derivation of Jacobian Matrix,

power flow solution using NR method(3bus),Decoupled and fast Decoupled method(3bus),Algorithms

UNIT-IV Z-Bus formulation.

Formation of Z-Bus;Partial network,Algorithm for the Modification of Z-Bus Matrix for addition elementfor the following cases;Addition of element from new bus to reference,Addtion of element from new

bus to an old bus,Addition of element between an old bus to reference and addition of element

between two old busses(Derivations and Numerical Problems)-Modification of Z-Bus for all changes in

network(Problems)-Sparsity Matrix.mmUNIT-V

UNIT-V Symmetrical Fault Analysis

3-Phase short circuit currents and reactances of synchronous machine,short circuit MVA

caliculations,symmetrical fault caliculations using Z-bus.

UNIT-VI Symmetrical components.

Synthesis of unsymmetrical phasors from their symmetrical components,operators,symmetrical

components of unsymmetrical phasors,phase-shift of symmetrical components in Y-.power in items of

symmetrical components,sequence networks-positive,negative and zero sequence networks.

UNIT-VII Unsymmetrical Fault Analysis

Various types of unsymmetrical faults LG,LL,LLG on unloaded alternator,unsymmetrical faults on power

system.

UNIT-VIII Power system stability analysis

Elementory concepts of steady state,Dynamic and Transient Stabilities,Description of Steady State

Stability Power limit,Transfer Reactance,Synchronizing Power coffiecent,Power Angle Curve andDetermination of steady state stability.

Derivation of Swing Equation,Determination of Transient Stabilities by equal area criterion,Application

of Equal Area Criterion,methods to improve steady state and transient stability.

by SURESH

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POWERSEMICONDUCTORDRIVES

UNIT-1: REVIEW OF SPEED CONTROL TECHNIQUES:

DC motor (field flux, armature voltage control), induction motor (stator voltage, stator frequency,

rotor resistance, rotor e.m.f injection), Synchronous motor.

UNIT-2: CONTROL OF DC MOTORS BY SINGLE PHASE CONVERTERS:

Introduction to Thyristor controlled drives, Single Phase semi and fully controlled converters

connected to d.c separately excited and d.c series motors continuous current operation output

voltage and current waveforms Speed Torque Characteristics Problems on Converter fed d.c

motors.

UNIT-3: CONTROL OF DC BY THREE PHASE CONVERTERS:

Three phase semi and fully controlled converters connected to d.c series motor output voltage

and current waveforms speed and torque expressions speed torque characteristics problems.

UNIT-4: FOUR QUADRANT OPERATIONS OF DC DRIVES:

Introduction to four quadrant operation motoring operations, Electric braking Plugging, Dynamic

and regenerative braking operations, four quadrant operation of d.c motors by dual converters Closed

loop operation of DC motor (block diagram)

UNIT-5: CONTROL OF DC MOTORS BY CHOPPERS:

Single quadrant, two quadrant and four quadrant chopper fed dc separately excited and series

motors Continuous current operation Output voltage and current wave forms Speed Torque

expressionsSpeed Torque Characteristics Closed loop operation (block diagram only).

UNIT-6: INDUCTION MOTOR CONTROL STATOR SLIDE:

Variable voltage characteristics- Control of Induction Motor by AC Voltage Controllers

Waveforms speed torque characteristics. Variable frequency characteristics Variable frequency

control of induction motor by Voltage source inverter PWM control Closed loop operation of

Induction motor drives (block diagram only).

UNIT-7: CONTROL OF INDUCTION MOTOR ROTOR SIDE:

Static rotor resistance control Slip power recovery Static Kramer drive their Performance andspeed torque characteristics advantages applications.

UNIT-8: CONTROL OF SYNCHRONOUS MOTORS:

separate control & self control of Synchronous motors operation of self controlled synchronous

motors by VSI, Closed loop control operation of synchronous motor drives, (Block diagram only),

Variable frequency control and pulse width modulation.

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UTILIZATION OF ELECTRICAL ENERGY

UNIT-1 Selection of motors

Choice of motor, type of electric device, starting and running characteristics, speed control,

temperature rise, applications of electric drives, types of industrial loads, continuous, intermittent and

variable loads, load equalization.

UNIT-2 Electric Heating

Advantages and methods of electric heating, resistance heating, induction heating and dielectric

heating.

UNIT-3 Electric welding

Electric welding, resistance and arc welding, electric welding equipment, comparison between A.C and

D.C welding.

UNIT-4 Illumination fundamentals

Introduction, terms used in illumination, laws of illumination, polar curves, integrating sphere, lux

meter, source of lighting.

UNIT-5 Various illumination Methods

Discharge lamps, MV and SV lamps-comparison between tungsten filament lamps and fluorescent

tubes, basic principle of light control, types and design of lighting and flood lightinh, LED lighting

UNIT-6 Electric Traction-I

System of electric traction and track electricfication,Review of existing elelctric traction systems in

India,Special features of traction motor,Mechanics of train movement,Speed-time curves for differentservices-trpezoidal and quadrilateral speed time curves.

UNIT-7 Electric Traction-II

Caliculations of tractive effort,power,specific energy consumption for given run,effect of

varying,acceleration and braking retardation,adhesive weight and braking retardation adhesive weight

and coefficient of adhesion.

UNIT-8 Demand side management

Energy star rating of equipment,Demand side management(energy efficiency techniques,demand

response).

by SURESH