ACADEMIC PLANNING LEARNING OBJECTIVES · Direct Current Transmission – by E.W.Kimbark, John Wiley...

ACADEMIC

PLANNING

&

LEARNING OBJECTIVES

SUBJECT: HVDC TRANSMISSION IV YEAR B.TECH(EEE)-II SEMESTER FACULTY NAME: Mrs.N.Krishna Kumari

Associate Professor Department of EEE

VNR VIGNAN JYOTHI INSTIYUTE OF ENGINEERING AND TECHNOLOGY

BACHUPALLY (VIA), KUKATPALLY, HYDERABAD-72

ACADEMIC PLAN:2015-16

IV Year B. Tech EEE – II Sem L T/P/D

C

3 0

3

Subject: HVDC TRANSMISSION Subject

Code: 13EEE027

Number of working days : 90

Number of Hours / week : 5

Total number of periods planned : 70

Name of the Faculty Member : Mrs N.Krishna Kumari

PREREQUISITES:

Power Systems, Power Electronics

COURSE OBJECTIVE:

This subject deals with the importance of HVDC transmission, analysis of HVDC

converters, Faults and protections, Harmonics and Filters. It also deals with Reactive

power control and Power factor improvements of the system

COURSE OUTCOMES

Upon completion of the syllabus student will be able to

CO1:Find the applications of different types of HVDC links.

CO2:Analyze optimum converter and filter configuration.

CO3:Comprehend the basic control principles of HVDC system.

CO4:Model the DC link and find solution for power flow analysis in AC- DC systems.

CO5:Have knowledge on the HVDC system protection schemes.

MAPPING OF COs WITH Pos

PO a PO b PO c PO d PO e PO f PO g PO h PO i PO j PO k PO l

CO 1 1 1

2

CO 2 1 1 2

2

1 1 2 2

CO 3 1 2 2 1

1 1 1 2

CO 4 1 1 1

2

CO 5 1 2

2

2

3-storng 2-moderate 1-Week Blank-Not relevant

DETAILED SYLLABUS

UNIT – I

BASIC CONCEPTS

Necessity of HVDC systems, Economics and Terminal equipment of HVDC transmission

systems, Types of HVDC Links, Apparatus required for HVDC Systems, Comparison of

AC and DC Transmission, Application of DC Transmission System, Planning and

Modern trends in D.C. Transmission.

ANALYSIS OF HVDC CONVERTERS

Choice of Converter Configuration, Analysis of Graetz circuit, Characteristics of 6 Pulse

and 12 Pulse converters, Cases of two 3 phase converters in Y/Y mode – their performance.

LEARNING OBJECTIVES:

At the end of Unit I, the student would be able to Learn:

The Significance of HVDC systems

Comparison of AC & DC Transmission

Apparatus required for HVDC Systems

Modern Trends in DC Transmission

Application of the HVDC Transmission

Choice of converters for HVDC Transmission

Graetz converter

Characteristics of 6 pulse and 12 pulse converters

LECTURE PLAN: Total no_ of

classes: 18

S. No Description No. of

Periods (18)

Mode of delivery

1. Introduction to the Subject

Economics & Terminal equipment of HVDC

transmission systems

2

PPT+https://www

.youtube.com/wat

ch?v=ZOTGuWC

fS-A

2.

Types of HVDC Links 2

BBT+PPT+https:/

/www.youtube.co

m/watch?v=3Lk_

erHx1jE

3. Apparatus required for HVDC 1 BBT

4. Comparison of AC&DC Transmission and its

applications 1

BBT

5. Application of DC Transmission System-

1

BBT

6. Planning & Modern trends in D.C Transmission

1

BBT

7. Choice of Converter configuration

1

BBT

8. Analysis of Graetz-

1

BBT

9. Characteristics of 6 pulse &12 Pulse converters-

2

PPT

10. Cases of two 3 phase converters in star-star mode-

their performance

3

BBT+PPT

11 University question papers discussion 1 Oral discussion

12 Assignment Questions Discussion 1

Assignment Sheet

13 Tutorial 01 Tutorial sheet

Tutorial-I

1. Explain the modern trends in DC Transmission system

2. Explain the choice of converter configurations for HVDC Transmission.

ASSIGNMENT – I

1. Explain the significance of HVDC Transmission system

2. Explain with neat sketches the characteristics of 6 pulse and 12 pulse converters

UNIT – II

CONVERTER AND HVDC SYSTEM CONTROL

Principle of DC Link Control, Converters Control Characteristics, Firing angle control,

Current and extinction angle control, Effect of source inductance on the system, Starting

and stopping of DC link, Power Control.

REACTIVE POWER CONTROL IN HVDC

Introduction, Reactive Power Requirements in steady state, sources of reactive power-

Static VAR Compensators, Reactive power control during transients


At the end of Unit II, the student would be able to Learn:

Converter Controls for HVDC Systems

Principle of DC Link Control

Firing Angle Control for the Converters

Effect of Source Inductance on the System

Starting and stopping of the DC link

Power Control in HVDC Systems

Reactive Power Requirements in steady state

Conventional Control Strategies

Alternate Control Strategies

Sources of Reactive Power

AC Filters

Shunt Capacitors

Synchronous Condensers.


classes: 17


Periods (17)

Mode of delivery

1. Converters & HVDC System Control- Principle of

DC Link Control 1

BBT

2. Converters Control characteristics-Firing angle

control-Current and extinction angle control 4

PPT+ BBT

3.

Effect of source inductance on the system, Starting

and stopping of DC link 1

PPT+

BBT+https://ww

w.youtube.com/w

atch?v=QQqW8Z

YMPrQ&list=PL

0sb0NOfK1fgr_a

GK5WPV-sSW-

Oxvq1NX

4. Power Control 1 PPT+ BBT

5. Reactive Power Requirements in steady state. 1 BBT

6. Conventional Control Strategies

Alternate Control Strategies 3

BBT

7. Sources of Reactive Power 1 BBT

8. AC Filters , Shunt Capacitors, Synchronous Condensers

2 BBT

9. University question papers discussion 1 Oral discussion

10. Assignment Questions Discussion 1 Assignment Sheet

11 Tutorial 1 Tutorial sheet

Tutorial-II 1. Explain the principle of DC link control

2. Explain conventional control strategies and alternate control strategies for reactive

power control in HVDC System

ASSIGNMENT – II

1. Define Current margin?

2. Explain conventional control strategies and alternate control strategies for reactive

power control in HVDC System

3. Write a short notes on shunt capacitors- synchronous condensers.

UNIT –III POWER FLOW ANALYSIS IN AC/DC SYSTEMS Modelling of DC Links-DC Network-DC Converter-Controller Equations-Solution of DC

load flow – P.U. System for d.c. quantities-solution of AC-DC Power flow-Simultaneous

method-Sequential method


At the end of Unit III, the student would be able to Learn:

Modelling of DC Links

DC Network-DC Converter

Controller Equations

Solution of DC loadflow

P.U. System for d.c. quantities

Solution of AC-DC Power flow

Simultaneous method-Sequential method


classes: 10


Periods (10)

Mode of delivery

1. Modelling of DC Links

DC Network-DC Converter 2

PPT+ BBT

2.

Controller Equations 1

BBT+https://ww

w.youtube.com/w

atch?v=CHQA5H

p1qbM

3. Solution of DC loadflow

P.U. System for d.c. quantities 2

BBT

4. Solution of AC-DC Power flow

Simultaneous method-Sequential method 2

BBT



7. Tutorial 1 Tutorial sheet

Tutorial-III

1. Explain Modeling of DC Links?

2. Explain Simultaneous method-Sequential methods?

ASSIGNMENT – III

1. Explain Simultaneous method-Sequential methods?

2. Explain the significance of P.U. system in power systems

UNIT – IV CONVERTER FAULT & PROTECTION

Converter faults – protection against over current and over voltage in converter station –

surge arresters – smoothing reactors – DC breakers –Audible noise-space charge field-

corona effects on DC lines-Radio interference.


At the end of Unit IV, the student would be able to Learn:

Converter faults

Protection against over current and over voltage in converter station

Surge arresters – smoothing reactors – DC breakers

Audible noise-space charge field-corona effects on DC lines-Radio interference.


classes: 10


Periods (10)

Mode of delivery

1. Converter faults 1 PPT+ BBT

2.

Protection against over current and over voltage in

converter station 2

BBT+https://ww

w.youtube.com/w

atch?v=XjVHNaP

ZEwE

3. Surge arresters – smoothing reactors – DC

breakers 2

BBT

4. Audible noise-space charge field-corona effects on

DC lines-Radio interference. 2

BBT




Tutorial-III 1. Explain Converter faults and its protection againt over current and over voltage in

converter station

2. Write short notes on Surge arresters

ASSIGNMENT – VI

1 .Write short notes on the following: Smoothing reactors

DC breakers

2. What are the different types of converter faults?

UNIT – VII HARMONICS Generation of Harmonics –Characteristics harmonics, calculation of AC Harmonics,

Non-

Characteristics harmonics, adverse effects of harmonics – Calculation of voltage &

Current harmonics –Effect of Pulse number on harmonics

FILTERS

Types of AC filters, Design of Single tuned filters –Design of High pass filters.


At the end of Unit VII, the student would be able to Learn:

Generation of Harmonics

Characteristics harmonics, calculation of AC Harmonics,Non-

Characteristics harmonics, adverse effects of harmonics

Calculation of voltage & Current harmonics

Effect of Pulse number on harmonics

Types of AC filters

Design of Single tuned filters

Design of High pass filters


classes: 14


Periods (14)

Mode of delivery

1.

Generation of Harmonics

Characteristics harmonics 2

PPT+https://www

.youtube.com/wat

ch?v=ZBRUG3w

T3Yg

2. Calculation of AC Harmonics, Non-

Characteristics harmonics, adverse effects of

harmonics

2

PPT+ BBT

3. Calculation of voltage & Current harmonics

Effect of Pulse number on harmonics 2

BBT

4. Types of AC filters 1 BBT

5. Design of Single tuned filters 2 BBT

6. Design of High pass filters 2 PPT+ BBT




Tutorial-III 1. Explain the adverse effects of harmonics?

2. Explain the effect of pulse number on harmonics?

3. Explain the characteristics of harmonics?

ASSIGNMENT –VII

1. Explain the generation of harmonics in Converters

2. Write short notes on Single tuned and High pass filter 3. Explain the generation of harmonics in Converters

4. Write short notes on Single tuned and High pass filters.

TEXT BOOKS:

1. HVDC Power Transmission Systems: Technology and system Interactions – by

K.R.Padiyar,

New Age International (P) Limited, and Publishers.

2. EHVAC and HVDC Transmission Engineering and Practice – S.Rao.

REFERENCES:

1. HVDC Transmission – J.Arrillaga, Pet%r Peregrinus.

2. Direct Current Transmission – by E.W.Kimbark, John Wiley & Sons.

3. Power Transmission by Direct Current – by E.Uhlmann, B.S.Publications.



IV Year B. Tech EEE – II Sem HVDC TRANSMISSION

(13EEE027) TIME: 3 Hours.

Max. Marks: 70

PART-B Answer any FOUR.

PART-A (compulsory) 30 marks

MODEL PAPER – I

1. Answer in one sentence. 1

Mark each

a. How does HVDC work

b. What is a converter?

c. What are HVDC's advantages?

d. Explain in two lines about choice of voltage level in DC transmission

e. What is the need of smoothing reactor?

2. Answer the following very briefly. 2

Marks each

a. Write Short notes12 pulse converter

b. Write Short notes MTDC systems

c. List out the applications of HVDC?

d. What is DC breaker? How it will be useful?

e. How will overcome the disadvantages in dc transmission?

3. Answer the following briefly.

3 Marks each

a. Write Short notes Modern trends in DC transmission

b. Write short notes on Single tuned and High pass filter c. Explain the generation of harmonics in Converters

d. Write short notes on Surge arresters

e. Explain the principle of DC link control

Part-B (Answer any FOUR) 10

Marks each

4. Give the different circuit arrangements used for obtaining DC voltage from three phase

AC supply adopting six pulse converters. Why is three phase bridge arrangement (

GRAETZ circuit ) is the best arrangement?

5.a) Draw and explain the combined characteristics of rectifier and inverter.

b) With a suitable circuit, explain the operation of constant current regulator

6.. a) Explain the operation of CEA controller

b) Explain how reversal of power flow is achieved in hvdc converters

7. a) Derive the expression for the reactive power requirements of dc link under steady

state

b) Discuss the method for the reactive power compensation

8. a) Give the different sources of over voltages in HVDC systems and the principles

adopted for over voltage protection

b) Discuss any three schemes to provide various degrees of dc ower modulations in

HVDC converter systems

9.. Discuss the problems in direct current interruption, developments in HVDC circuit

breaker technologies and applications of HVDC circuit breakers

- x -

VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING & TECHNOLOGY

(Autonomous)

DEPARTMENT OF HUMANITIES AND SCIENCES

IV B. Tech, Ist Semester (EEE, EIE)

Subject : Management Science

Subject Code : CMS1102

Academic Year : 2016 – 17



Total number of periods planned: 48

Name of the Faculty Member: B. Prathyusha

Course Prerequisites: Business Economics and Financial Analysis

Course Objectives:

The objective of this course is to: 1. Understand the principles, functions, theories and practices of different management

areas and to provide them with practical exposure to cases of success/failure in

business.

2. Expose with a systematic and critical understanding of organizational theory, structures

and design.

3. Comprehend conceptual models of strategic management and to familiarize with the

tools of operations and project management.

4. Understand the role of human relations in the management of operations and to provide basic insights into contemporary management practices.

Course outcomes:

Upon completion of this course students should be able to: 1. Function effectively in multidisciplinary teams to accomplish a common goal of

organizations.

2. Apply theories to improve the practice of management.

3. Appreciate the management challenges associated with high levels of change in the

organizations.

4. Develop global vision and management skills at both a strategic level and interpersonal level.

UNIT I:

Introduction to management

Concepts of management - nature, importance, and functions of management; Taylor’s

scientific management theory; Fayol’s principles of management; Mayo’s Hawthorne

experiments; Maslow’s theory of human needs; Douglas McGregor’s theory X and

theory Y; Herzberg’s two-factor theory of motivation; System and contingency approach

to management; Planning – meaning, significance, and types of plans; Decision making

and steps in decision making process; Leadership styles; Social responsibilities of

management.

Organizing - Meaning, and features; Process of organization; Principles of organization;

Elements of organization; Organization chart; Span of control - Graicunas formulae;

Centralisation and decentralization; Types of mechanistic and organic structures of

organisation - line organization, line and staff organization, functional organization,

committee organization, matrix organization, virtual organisation, cellular organisation,

team structure, boundaryless organization, inverted pyramid structure, and lean and flat

organization structure; Their merits, demerits and suitability.


At the end of Unit I, the student would be able to:

❖ Define management.

❖ Describe the Functions and features of management.

❖ Explain the Taylor’s Scientific Management theory.

❖ State the Principles of Management.

❖ Apply Maslow’s Theory of Human Needs.

❖ Distinguish between Theory X and Theory Y.

❖ Identify the factors which motivate the people in organization ( Two-Factor

Theory of Motivation)

❖ Differentiate between planning and decision making.

❖ State the Social Responsibilities of Management.

❖ List out the leadership styles.

❖ Define organization and its features.

❖ Distinguish between formal and informal organization.

❖ List out types of organization structures.

❖ Compare and contrast features of types of organization structures.

❖ Write merits and demerits of various organizations.

❖ Draw various organization structures.

❖ Describe the logical relationships between division of work, departmentalization,

hierarchy, and coordination.

❖ Differentiate between centralization and decentralization.

❖ Explain the organization chart.

LECTURE PLAN:

S.No. Description of Topic No. of

Hr. Method of Teaching

1 Definition of management, features, objectives and

importance 1 PPT+ Video

2 Functions of management and levels of management 2 PPT+ Video

3 Scientific management 3 PPT+ Video

4 Administrative management 4 PPT+ Video

5 Hawthorne Experiments and Maslow’s Theory of Human

Needs 5 PPT+ Video

6 Theory X and Theory Y and Two-Factor Theory ,Systems

approach to management and contingency theory 6 PPT+ Video

7 Planning –definition, types and Decision making- definition

and steps 7 PPT+ Video

8 Leadership styles and social responsibilities of management 8 PPT+ Video

9 Definition of organization, principles and importance 9 PPT+ Video

10 Departmentation and decentralization, Span of control -

Graicunas formulae 10 PPT+ Video

11 Types of organization-1( merits, demerits and suitability) 11

PPT+ Video

12 Types of organization-2( merits, demerits and suitability) 12

13 Types of organization-3( merits, demerits and suitability),

organization chart and types 13

ASSIGNMENT-I

1. Explain the nature and functions of management?

2. Explain the theory of Hierarchy of Human Needs?

3. What are the three levels of management? What functions do you find at each of

these levels?

4. What are the social responsibilities of management? Illustrate

5. Explain how Scientific management paved way for changes in the traditional

mindset.

6. “Management is regarded as an art by some, science by others”. In the light of

this statement, Explain the exact nature of management

7. What is the contribution of Henry Fayol to management thought? Explain 14

principles of management thought.

8. What is the systems approach to an organization and explain the characteristics of

a system.

9. Discuss the features of line and staff organization with a chart.

10. Define departmentation. Explain any two methods of departmentation.

11. What do you understand by decentralization? How do you determine the need for

decentralization? Explain

12. Explain the features, merits and demerits of matrix organization?

13. What is an organization chart? Explain features of organization chart?

14. Write a note on:

a. Functional organization

b. Lean and flat organization

c. Committee organization

d. Virtual organization vs. traditional organization

*********************************************************************

***

UNIT-II:

Human resources management

Concepts of HRM; Basic functions of HR manager - human resource planning

(definition; objectives; process), recruitment (definition; sources; techniques), selection

(definition; process), induction and orientation, training and development (definition;

need; methods), employee exit process, employee relations management, employee

compensation and benefits administration, job evaluation (objectives; process; methods),

and performance appraisals (objectives; process; methods).


At the end of Unit II, the student would be able to:

✓ Define human resource management.

✓ Explain the basic functions of HR manager.

✓ Describe the steps involved in human resource planning.

✓ List out the sources of recruitment.

✓ State the procedure involved in selection.

✓ Explain about training methods used in organizations.

✓ Compare and contrast between job evaluation and performance appraisal.

✓ List out the methods of job evaluation.

✓ Evaluate different methods of performance appraisal.

LECTURE PLAN:

S.No. Description of Topic No.

of

Hr.

Method of

Teaching

1 Definition of HRM, features 14 PPT + Video

2 Job analysis(job description and specification) and

Manpower planning(definition, objectives, process)

15

PPT + Video

3

Recruitment (definition; sources; techniques)

Selection (definition; process) and Induction and

orientation

16 PPT + Video

4

Training and development (definition; need;

methods)

Employee exit process, employee relations

management

Employee compensation and benefits administration

17

PPT + Video

5 Job evaluation (objectives; process; methods) 18

PPT + Video

6 Performance appraisals (objectives; process;

methods)

19 PPT + Video

ASSIGNMENT-II:

1. What are the functions of personnel manager? Explain briefly

2. Explain and evaluate various methods of performance appraisal?

3. Define job evaluation? Explain the various methods of job evaluation?

4. Compare and contrast job evaluation vs. performance appraisal.

5. What is recruitment? Evaluate the different sources of recruitment?

6. Discuss the various steps involved in selection process.

7. Write a short note on:

a) selection procedure

b) training methods

c) job analysis

d) fringe benefits

UNIT-III:

Strategic management

Mission; Goals; Objectives; Policy; Strategy; Programmes; Elements of corporate

planning process - environmental scanning; value chain analysis, BCG matrix, generic

strategy alternatives, SWOT analysis, and steps in strategy formulation and

implementation; Balance score card; Capability maturity model (CMM)/ People

capability maturity model(PCMM).


At the end of Unit III, the student would be able to:

List out the terms used in strategic management to denote different concepts

(Mission, goals, objectives, policy, strategy and programmes)

Explain the process/steps involved in corporate planning (strategy

formulation, implementation and evaluation)

Demonstrate BCG Matrix

State the internal and external factors which influence on the organization.

Identify strengths, weaknesses, threats, opportunities for an organization.

Describe the various generic strategic alternatives available for the

organizations.

Understand Balance Score Card of organizations

Explain the levels of CMM

LECTURE PLAN:

S.No. Description of Topic

No.

of

Hr.

Method of

Teaching

1

Strategic Management- definition, importance ,

Corporate planning process-Vision, Mission, goals,

objectives ,policy, strategy and programmes

20 PPT+ Video

2 Environmental scanning 21 PPT+ Video

3 Generic strategic alternatives

22

Chalk and

Board

4 SWOT analysis, BCG Matrix, Steps involved in

strategy evaluation 23

PPT+ Video

5 Balanced Score Card and CMM 24

PPT+ Video

ASSIGNMENT-III:

1. Identify the factors that are to be diagnosed in external and internal

environment of a business organization.

2. What is the need for corporate planning? Explain the main elements of

corporate planning process?

3. Explain the concept of SWOT. How do you use SWOT analysis in decision

making?

4. Write a short note on the following:

a. Value chain analysis

b. Stability Strategies

c. Growth Strategies

d. Turnaround strategies

e. Retrenchment strategies

************************************************************************

**

UNIT-IV:

Operations management

Plant location; Types of plant layout; Methods of production – job, batch, and mass

production; Work study-basic procedure involved in method study and work

measurement.

Materials management

Objectives; Need for inventory control; EOQ, ABC Analysis; Purchase procedure; Value

analysis; JIT, Six sigma; TQM; Supply chain management; Stores management and

stores records.

Marketing

Functions of marketing; Marketing mix, and marketing strategies based on product life

cycle; Channels of distribution


At the end of Unit IV, the student would be able to:

▪ Identify the factors affecting plant location.

▪ Compare and contrast between types of plant layout (product, process, fixed

position layout)

▪ Define production and productivity.

▪ List out the factors affecting productivity.

▪ Differentiate between methods of production (job, batch, flow and mass

production)

▪ Describe the procedure involved in method study and work measurement.

▪ Define materials management.

▪ List out the objectives of materials management.

▪ Explain the need of inventory control in organizations.

▪ Compute the formulae for EOQ.

▪ Describe the procedure involved in purchasing.

▪ Distinguish between A, B, C items (ABC analysis)

▪ Explain about the principles of stores layout.

▪ List out the various records used in the stores.

▪ Explain the functions of Marketing.

▪ Describe the marketing mix elements (price, place, promotion & product)

▪ State the marketing strategies used in different phases of product life cycle.

▪ Explain the channels of distribution available for consumer and industrial

products.

LECTURE PLAN:

S.No

. Description of Topic

No. of

Hr.

Method of

Teaching

1 Definition of plant location, factors affecting plant location 25 PPT + video

2 Definition of plant layout, types of plant layout-1 26 PPT +video

3 Types of plant layout-2 27

PPT+ video

4 Methods of production 28 PPT+ video

5 Work Study –definition and procedure 29 PPT+ Video

6 Method study- definition and basic procedure 30 PPT+ Video

7 Work measurement- definition and basic procedure 31

PPT+ Video

8 Definition of materials management, inventory management –objectives,

need 32 PPT+ Video

9 Techniques of inventory control- EOQ-computation of formulae,

problems 33 PPT+ Video

10 ABC analysis, purchasing- procedure, centralized and decentralized

purchasing, methods of purchasing 34 PPT+ Video

11 Methods of pricing the inventory, principles of stores layout and Stores

records. 35

Chalk and

Board

12 Value analysis, JIT and Six sigma 36 PPT+ Video

13 TQM and Supply chain management 37 PPT+ Video

14 definition of marketing, functions of marketing, marketing mix

38 PPT+ Video

15 Phases of Product life cycle, channels of distribution- wholesaler, retailer

(functions) 39 PPT+ Video

ASSIGNMENT-IV:

1. Explain plant layout. What factors will you take into account while selecting a

suitable type of plant layout?

2. Briefly discuss the factors which dictate the choice of plant location.

3. What are the objectives of work measurement? Briefly point out the methods

of work measurement?

4. What are the different types of charts and diagrams used in work study

investigations?

5. Write a brief note on

a) Predetermined Motion and Time Systems (P.M.T.S)

b) S.I.M.O Chart

6. Differentiate between:

a) Job order production and batch order production

b) Mass production and flow line production

c) What are the symbols used in “process charts”

d) How are process charts prepared?

e) What are “Therbligs”?

f) JIT

7. The demand for a product is 30000 units per annum. Cost per unit: Rs 4,

procurement cost: Rs60 per order and carrying cost is 20% of inventory value.

Determine EOQ.

8. Graphically represent “economic order quantity” and explain the type of costs

that go into them.

9. Explain briefly various functions of marketing?

10. Discuss the procedure of classifying inventory into A,B,C categories

11. Evaluate different methods of purchasing?

12. What do you understand by marketing mix? Explain all the 4 P’S.

13. With reference to an inventory model explain the following:

a) maximum stock

b) safety stock

c) lead time

d) reorder point

14. Write short notes on:

a) bin card

b) closed stores and open stores

c) material transfer and material return note

d) stores ledger

e) Six Sigma

************************************************************************

**

UNIT-V:

Project management – network analysis

Network analysis; Programme evaluation review technique - PERT (probability of

completing the project within given time); Critical path method - CPM (Identifying

critical path); Project cost analysis; Project crashing; Simple problems.


At the end of Unit V, the student would be able to:

• List out the rules of network construction.

• Draw a network diagram.

• Describe the procedure involved in CPM.

• Find out the critical path.

• Compute the total project duration.

• Describe the procedure involved in PERT.

• Solve problems on PERT

• Differentiate between float and slack.

• Compare and contrast between PERT and CPM.

• Explain the steps involved in project crashing

• Solve problems on project crashing

LECTURE PLAN:


Hr.

Method of

Teaching

1 Network- Definition, terms used, rules of

construction 40

POGIL Activity

Chalk and Board

2 CPM- definition, terms, steps, problems 41 Chalk and Board

3 Problems on CPM 42 Chalk and Board

4 Problems on CPM 43 Chalk and Board

5 PERT-definition, steps, probability of completing

the project, problems 44 Chalk and Board

6 Problems on PERT, PERT vs. CPM 45 Chalk and Board

7 Project crashing-definition, terms, procedure

involved 46 Chalk and Board

8 Problems on project crashing 47 Chalk and Board

9 Problems on project crashing 48 Chalk and Board

ASSIGNMENT-V:

1. Bring out the difference between PERT & CPM.

2. A project consists of the following activities and different time estimates (in

days). Draw a network and find the critical path. What is the probability that

the project will be completed by 27 days?

ACTIVITY OPTIMISTIC TIME MOST LIKELY TIME PESSIMISTIC TIME

1-2 3 6 15

1-3 2 5 14

1-4 6 12 30

2-5 2 5 8

2-6 5 11 17

3-6 3 6 15

4-7 3 9 27

5-7 1 4 7

6-7 2 5 8

3. Given the following details of a project, determine the optimum duration and

cost of the project. Indirect cost is 1300 per week

ACTIVITY TIME (WEEKS)

NORMAL CRASH

COST(Rs.)

NORMAL

CRASH

1-2 6 4 5000 6200

1-3 4 2 3000 3900

2-3 7 6 6500 6800

2-4 3 2 4000 4500

3-4 5 3 8500 10000

4. Write a short note on the following:

a. Critical path

b. EST, EFT, LST, LFT

c. Float vs. Slack

d. Expected time

e. Cost slope

5. A small maintenance project consists of the following 12 jobs with duration in

days. Find out the critical path, total project duration, float.

JOB DURATION

1-2 2

3-4 3

5-8 5

7-9 4

2-3 7

3-5 5

6-7 8

8-9 1

2-4 3

4-6 3

6-10 4

9-10 7

************************************************************************

VNR VignanaJyothi Institute of Engineering and Technology

IV Year B.Tech ECE – II Sem L T/P/D C

Elective - III 3 0 3

(13ECE027) BASICS IN NANO SCIENCE AND TECHNOLOGY

Course Objectives

• To understand the size dependent physical properties of materials with nano dimensions

• To learn the principles of various preparation methods of nano materials

• To know the different characterization techniques of nano materials and related

instruments

• To study the basic electronic devices at nano scale.

Course Outcomes

After completing this course the student will be able to

• Realize and explain that the properties of nano materials are size dependent and vary

from corresponding bulk materials

• Demonstrate the skills required to prepare some of the nano materials in the laboratory

• Characterize and study the properties with respect to their size and shapes.

• Appreciate the applications of nano electronic devices and understand their basic

principles.

UNIT-I

Basics of Nano science

Introduction to quantum physics, electron as waves, wave mechanics, Schrödinger

equation and particle in a box, Heisenberg’s uncertainty principle, exclusion

principle,Free electron theory (qualitative idea) and its features, Idea of band structure,

Densityof states for zero, one, two and three dimensional materials, Quantum

confinement,Quantum wells, wires, dots, Factors affecting by particle size


At the Conclusion of this unit the student is: ✓ Able to understand the basic principles of quantum mechanics applicable to nano

dimensional materials

✓ Able to know the particle wave duality of electrons

✓ Able to identify the unique properties of nano size materials

✓ Able to analyze the energy and wavelength of the photons emitted in Quantum

confinement

Lecture Plan:


Hrs.

Method of

Teaching

1. Introduction to Nano Science & Technology, WIT &WIL 3 PPT

2. Introduction to Quantum Physics 2 PPT

3. Electron as waves, wave mechanics 2 PPT

Chalk & Board

4. Schrödinger equation and particle in a box, Heisenberg’s

uncertainty principle, exclusion principle

2 Chalk & Board

5. Free electron theory (qualitative idea) and its features 2 PPT

Chalk & Board

6. Idea of band structure, Density of states for zero, one, two

and three dimensional materials

2 PPT

Chalk & Board

7. Quantum confinement, Quantum wells, wires, dots 2 PPT

Chalk & Board

8. Factors affecting by particle size 2 Chalk & Board

UNIT II

Properties of Nanomaterials: Mechanical, Thermal, Electrical, Optical, Magnetic and

Structural properties of nanomaterials. Electrical and mechanical properties of Carbon

nanostructures


At the Conclusion of this unit the student is: ✓ Able to Identify the mechanical, thermal, electrical, optical & magnetic properties of

Nanomaterials

✓ Able to know the structural properties of Nanomaterials.

✓ Able to Understand the electrical & magnetic properties of Carbon nanostructures

Lecture Plan:


Hrs.

Method of

Teaching

1. WIT & WIL 1 PPT

2. Mechanical , Thermal & Electrical properties of

nanomaterials

2 PPT

3. Optical & Magnetic Properties of Nanomaterials 2 PPT

Chalk & Board

4. Structural properties of nanomaterial 2 PPT

Chalk & Board

5. Electrical and mechanical properties of Carbon

nanostructures

2 PPT

Chalk & Board

UNIT III

Synthesis of NanomaterialsPhysical methods: Bottom up-Ball Milling, Physical vapour

deposition, Ionized cluster beam deposition, Laser pyrolysis, Sputter deposition, Gas

evaporation.Chemical methods: Top down Chemical vapor deposition, Synthesis of metal

&semiconductor nano particles by colloidal route, Sol-gel method, Combustion method.


At the Conclusion of this unit the student is: ✓ Able to Identify some of the physical methods in preparation of nanomaterials

✓ Exposed to the different Chemical methods used in the synthesis of nanomaterials

✓ Able to learn simple synthesizing process ofnanomaterials

Lecture Plan:


Hrs.

Method of

Teaching

1. WIT & WIL 1 PPT

2. Synthesis of Nanomaterials Physical methods: Bottom up-

Ball Milling method

2 PPT

3. Physical vapour deposition, Ionized cluster beam

deposition

2 PPT

Chalk & Board

4. Laser pyrolysis, Sputter deposition, Gas evaporation 2 PPT

Chalk & Board

5. Top down Chemical vapor deposition 2 PPT

Chalk & Board

6. Synthesis of metal &semiconductor nano particles by

colloidal route

2 PPT

Chalk & Board

7. Sol-gel method, Combustion method 2 PPT

Chalk & Board

UNIT IV

Nanomaterials characterization XRD, UV-VIS spectroscopy, X-ray fluorescence, X-ray

photon emission spectroscopy, Surface, electron microscopy, Transmission electron

microscopy, Scanning tunneling microscopy, Atomic force microscopy, Raman

spectroscopy


At the Conclusion of this unit the student is: ✓ Able to realize the various techniques in characterizing Nanomaterials

✓ Able to Identify the parameters that can be measured for analyzing a nanostructure

✓ Able to distinguish the techniques used in the characterization of nanomaterials by

various methods

Lecture Plan:


Hrs.

Method of

Teaching

1. WIT & WIL 1 PPT

2. Nanomaterials characterization: XRD, UV-VIS

spectroscopy

2 PPT

3. X-ray fluorescence, X-ray photon emission spectroscopy 2 PPT

Chalk & Board

4. Surface, electron microscopy 2 PPT

Chalk & Board

5. Transmission electron microscopy, Scanning tunneling

microscopy

2 PPT

Chalk & Board

6. Atomic force microscopy, Raman spectroscopy 2 PPT

Chalk & Board

UNIT V

NanoelectronicsThe p-n-junction and bipolar transistor, Metal semiconductor and metal

insulator, semiconductor junction, field effect transistor. Nano scale MOSFETS, limits to

scaling, system integration, interconnects, Nanowire Field Effect Transistors, Single

Electron Transistors, Carbon nanotube transistors, Memory Devices


At the Conclusion of this unit the student is: ✓ Able to distinguish macroelectronics and nanoelectronics

✓ Able to understand the concepts behind NanoMOSFETS and Nano devices

✓ Able to identify the system integration limits

✓ Able to know about Carbon nanotube transistors

Lecture Plan:


Hrs.

Method of

Teaching

1. WIT & WIL 1 PPT

2. Nanoelectronics: The p-n-junction and bipolar transistor 2 PPT

Chalk & Board

3. Metal semiconductor and metal insulator, semiconductor

junction

2 PPT

Chalk & Board

4. Field effect transistor. Nano scale MOSFETS 2 PPT

Chalk & Board

5. Limits to scaling, system integration, interconnects 2 PPT

Chalk & Board

6. Nanowire Field Effect Transistors, Single Electron

Transistors

2 PPT

Chalk & Board

7. Carbon nanotube transistors, Memory Devices

2 PPT

Chalk & Board

TEXT BOOKS

1. Nanotechnology: Principles &Practicals. Sulbha K. Kulkarni, Capital Publishing

Co.New Delhi.

2. Carbon nanotechnology-Recent developments in Chemistry, Physics, materials science

and device applications-Elsevier Science

3. Nanostructures & Nanomaterials Synthesis, Properties & Applications. Guozhong Cao,

Imperials College PressLondon.

REFERENCES

1. Nanomaterials: Synthesis, Properties & Applications. Edited by A.S. Edelstein

&R.C.Commorata. Institute of Physics Publishing, Bristol & Philadelphia.

2. Introduction to Nanotechnology. C.P. Poole Jr. and F. J.Owens, Wiley Student Edition.

3. Nano: The Essentials. T.Pradeep , McGraw Hill Education.

4. Nanophysics & Nanotechnology: An Introduction to Modern Concepts in Nanoscience

Edward L. Wolf (2nd Ed.),WILEY-VCH, 2006

5. Nanoscience and Technology: Novel Structure and Phenomena- Ping andSheng

VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING & TECHNOLOGY

DEPARTMENT OF INFORMATION TECHNOLOGY

IVth B. Tech, IInd Semester (Electrical & Electronics Engineering)

Subject : RELATIONAL DATA BASE MANAGEMNET

SYSTEMS

Subject Code : 13CSE076 Academic Year : 2016 – 17



Total number of periods planned: 70

Name of the Faculty Member: V.SARITHA

IV Year B. Tech EEE – II SEM L T/P/D C

3 0 3

(13CSE076) DATA BASE MANAGEMNET SYSTEMS

UNIT – I

Introduction to Databases and Database Management System - Database system

Applications - Advantages of DBMS over File System - Data Models – Instances and

schema - View of Data - Database Languages -DDL-DML - Database Users and

Administrator - Database System Structure.

Learning objectives :

After completion of the unit, students will be able to:

• Learn the overview and purpose of Data base Management Systems.

• Know the advantages of DBMS over File System

• Become familiar with data models, data Base Language, Data Base System

Structure.

• Become familiar with data base users and role of database administrator.

Lecture plan :

S.No. Description of Topic No.

of

Hrs

Method of

Teaching

Introduction to Databases and Database Management System

1 Introduction to Database Management System & Database system

Applications

1 chalk & board

2 Advantages of DBMS over File System 1 PPT, chalk & board

3 Data Models 1 PPT, chalk & board

4 Instances and schema 1 chalk & board

5 View of Data 1 Chalk & board

6 Database Languages -DDL-DML 1 Chalk & board

7 Database Users and Administrator 1 PPT, Chalk & board

8 Database System Structure 1 PPT, Chalk & board

9 Tutorial 1 chalk & board

Total = 9

UNIT – II

Database Design and ER diagrams – Attributes and Entity Sets – Relationships and

Relationship Sets – Constraints - Keys - Design Issues - Entity-Relationship Diagram

Weak Entity Sets - Extended E-R Features- Database Design with ER model - Database

Design for Banking Enterprise

Learning objectives:

After completion of the unit, the students will be able to:

• Become familiar with ER- Diagram concepts.

• To understand keys, Relationships.

• Analyze and Draw the ER diagram.

• Analyze and Design database for any enterprise.

Lecture Plan :


Hrs.

Method of

Teaching

Database Design and ER diagrams

1 Database Design and ER diagrams 1 PPT+ Video

2 Attributes and Entity Sets, Relationships and

Relationship Sets

1 PPT, chalk &board

3 Constraints - Keys 2 PPT, chalk & board

4 Design Issues, Entity-Relationship Diagram Weak 1 PPT, Chalk & board

Entity Sets

5 Extended E-R Features 1 PPT, chalk &board

6 Database Design with ER model 1 PPT, chalk &board

7 Database Design for Banking Enterprise 1 PPT+ Video

8 Tutorial 1 chalk &board

Total = 9

UNIT – III

Introduction to the Relational Model – Structure of RDBMS - Integrity Constraints

over Relations – Enforcing Integrity Constraints – Querying Relational Data - Relational

Algebra and Calculus.

Introduction to SQL- Data Definition commands, Data Manipulation Commands, Basic

Structure, Set operations Aggregate Operations - Join operations - Sub queries and

correlated queries, SQL functions , views ,Triggers, Embedded SQL.

Learning objectives:


• Learn an overview of Relational model

• Learn Relational Algebra and Calculus

• Write the queries in Relational Algebra and Calculus

• Become familiar with DDL, DML & DCL commands of SQL

• Become familiar with set operations, aggregate operations, join operations, sub

queries and correlated queries.

• Write the queries in SQL.

• To understand the views, triggers and SQL functions.

• Learn Embedded SQL.

Lecture plan:


Hrs.

Method of Teaching

Introduction to the Relational Model

1 Introduction to the Relational Model, Structure of

RDBMS

1 PPT+ video

2 Integrity Constraints over Relations 1 PPT+ chalk &board

3 Enforcing Integrity Constraints 1 PPT, chalk & board

4 Querying Relational Data 1 chalk & board

5 Relational Algebra and Calculus 2 PPT+ chalk & board

Introduction to SQL

6 Introduction to SQL 1 chalk &board

7 Data Definition commands 1 chalk &board

8 Data Manipulation Commands 1 chalk &board

9 Basic Structure 1 chalk &board

10 Set operations Aggregate Operations 1 chalk &board

11 Join operations 1 chalk &board

12 Sub queries and correlated queries 1 chalk &board

13 SQL functions 1 PPT+ chalk &board

14 views ,Triggers 1 PPT+ chalk &board

15 Embedded SQL 1 PPT+ chalk &board


Total = 17

UNIT – IV

Functional Dependencies– Introduction , Basic Definitions, Trivial and Non trivial

dependencies, closure of a set of dependencies, closure of attributes, irreducible set of

dependencies- Schema Refinement in Database Design- Problems Caused by

Redundancy – Decompositions – Problem Related to Decomposition –- Lossless Join

Decomposition – Dependency Preserving Decomposition - FIRST, SECOND, THIRD

Normal Forms – BCNF –– Multi valued Dependencies – Fourth Normal Form.


After completion of the unit, the students will be able to

• Become familiar with Functional Dependencies & Normal forms.

• To understand Schema Redundancy, Decompositions.

• To understand Schema Refinements, joins.

• Analyze and refine the Schema

Lecture plan :


Hrs. Method of Teaching

Functional Dependencies

1 Introduction, Basic Definitions 1 PPT+Video

2 Trivial and Non trivial dependencies 1 PPT+ chalk &board

3 closure of a set of dependencies 1 PPT+ chalk &board

4 closure of attributes 2 PPT+ chalk &board

5 irreducible set of dependencies 1 PPT+ Chalk & board

6 Schema Refinement in Database Design 1 PPT+ chalk &board

7 Problems Caused by Redundancy 1 PPT+ chalk &board

8 Decompositions – Problem Related to

Decomposition

1 PPT+ chalk &board

9 Lossless Join Decomposition Dependency

Preserving Decomposition

1 PPT+ chalk &board

10 Dependency Preserving Decomposition 1 PPT+ Chalk & board

11 FIRST, SECOND, THIRD Normal Forms –

BCNF

2 PPT+ Chalk & board

12 Multi valued Dependencies – Fourth Normal

Form

1 PPT+ chalk &board


Total = 15

UNIT – V

Transaction concept- Transaction state- Implementation of atomicity and Durability

Concurrent executions – Serializability, Recoverability. Lock Based Protocols,

Timestamp Based Protocols, Validation Based Protocols, Multiple Granularity, Dead

Lock Handling – Failure Classification – Storage Structure - Recovery and Atomicity-

Log Based recovery – Recovery with concurrent transactions – Checkpoints.

File Organization – Organization of records in file - Data Dictionary Storage – Indexing

and Hashing – Basic Concepts, Ordered Indices+ Tree Index files, B- tree index files –

Static Hashing – Dynamic Hashing – Comparison of Indexing with Hashing.



• Know an overview of Transaction.

• Become familiar with the ACID properties.

• Understand Lock Based Protocols, Timestamp Based Protocols, Validation Based Protocols.

• Learn deadlock handling mechanism.

• Learn File Organization concepts.

• Understand the indexing concepts.

• Understand the Hashing concepts.

Lecture plan :


Hrs. Method of

Teaching

Transaction concept

1 Transaction state, Implementation of atomicity and

Durability

1 PPT+ chalk &board

2 Concurrent executions – Serializability,Recoverability 1 PPT+ chalk &board

3 Lock Based Protocols 2 PPT+ chalk &board

4 Timestamp Based Protocols 1 PPT+ chalk &board

5 Validation Based Protocols 1 PPT+ chalk &board

6 Multiple Granularity 1 PPT+ chalk &board

7 Dead Lock Handling, Failure Classification 1 PPT+ video

8 Structure Recovery & Atomicity- Log Based recovery 2 PPT+ chalk &board

9 Recovery with concurrent transactions 1 PPT+ chalk &board

10 Checkpoints 1 PPT+ chalk &board

File Organization

11 Organization of records in file, Data Dictionary

Storage

1 PPT+ chalk &board

12 Data Dictionary Storage 1 PPT+ chalk &board

13 Indexing and Hashing, Basic Concepts 1 PPT+ chalk &board

14 Ordered Indices+ Tree Index files 1 PPT+ video

15 B- tree index files 2 PPT+ video

16 Static Hashing, Dynamic Hashing Comparison of

Indexing with Hashing

1 PPT+ chalk &board


Total = 20

TEXT BOOKS:

1. Database System Concepts, Silberschatz, Korth, Fifth Edition, McGraw hill (1, 2, 3 &

5 Units).

2. Introduction to Database Systems, C.J.Date, Pearson Education (4th Unit)

REFERENCES:

1. Database Management Systems, Raghu Ramakrishna, Johannes Gehrke, TATA Mc

Graw Hill.

2. Fundamentals of Database Systems, Elmasri Navrate Pearson Education 3. Data base

Systems design, Implementation, and Management, Peter Rob & Carlos Coronel 7th

Edition.



ACADEMIC PLAN: 2016-17

IV Year B. Tech EEE – IISem L T/P/D C

3 0

3

Subject: UTILIZATION OF ELECTRICAL ENERGY Subject Code:

13EEE029



Total number of periods planned : 66

Name of the Faculty Member : Dr. B. NeelakanteshwarRao& Mr. M.Shivateja

PREREQUISITES

13EEE002, 13EEE004, 13EEE005

COURSE OBJECTIVES

1. To make the student familiar with electrical energy and its use when it is converted

into several forms of energy.

2. To deal with the fundamentals of illumination and its classification and the electric

heating and welding.

3. To learn the basic knowledge of electric drives.

4. To learn the different types of speed time curves in traction system.

COURSE OUTCOMES

Upon completion of this course, students will be able to:

1. Know types of electric drives, choice of motor, starting and running characteristics,

speed control, temperature rise, particular applications of electric drives, types of

industrial loads.

2. Describe advantages and methods of electric heating and Electric welding

3. Describe existing electric traction systems in India, special features of traction motor

and various operating techniques, Speed-time curves for different services and various

calculations regarding traction systems.

4. Applications of electric drives in traction systems.

MAPPING OF COs WITH POs

PO a PO b PO c PO d PO e PO

f PO g PO h

PO

i

PO

j PO k PO l

CO

1 3 2 3 3 3 3 2 2 2 2

CO

2 3 2 3 2 3 2 3 2 2

CO

3 3 2 3 2 2 3 3 2 3 2

CO

4 3 3 3 2 3 3 2 2 3

3-strong 2-moderate 1-Week Blank-Not relevant

DETAILED SYLLABUS

UNIT- I

ILLUMINATION

Illumination: Definitions, types of lighting schemes, Incandescent lamps and fluorescent

lamps-polar curves, effect of voltage variation on efficiency and life of lamps,

Distribution and control of light, lighting calculations, solid angle, Laws of Illumination-

calculations, discharge lamps: Sodium Vapour and Mercury Vapour Lamps, merits of

LED Lamps - Illumination Design –Indoor lighting, factory lighting, flood lighting and

street lighting-problems.

Learning Outcomes

After completion of this unit the student will be able to

1. Understand various concepts related to illumination

2. Understand the operation of various types of lamps

3. Understand different types of lighting schemes

4. Design the placements of lamps to get desired illumination

5. Solve the problems related to illumination of working plane

TEACHING PLAN

S. No Description

No. of

Periods (15)

Mode of delivery

1

Revision of basics of electrical engineering 2

Board and chalk

2 Definitions and concepts related to

illumination

2 Board and chalk

3 Problems on illumination 2 Board and chalk

4 Different types of illuminating sources

2 PPT

5 Polar curves 1 Board and chalk

6 Effect of voltage variation on efficiency and

life of lamps

1 Board and chalk

7 Distribution and control of light

1 PPT

8 Merits of LED lamps 1 Board and chalk

9 Laws of illumination 1 Board and chalk

10 Different types of lighting schemes

1 Board and chalk

11 Tutorial

1 Tutorial sheet

Tutorial

1. Define and explain the various terms used in Illumination

2. State and explain First law of Illumination

3. Explain the working principle of Incandescent lamp

4. Explain the sodium vapour lamp with a neat sketch.

Assignment

1. A lamp fitted with 120 degrees angled cone reflector illuminates circular area of 200 metres in

diameter.

The illumination of the disc increases uniformly from 0.5 metre-candle at the edge to 2 metre-

candle at

thecentre. Determine

i.) the total light received

ii. Average illumination of the disc

iii. Average c.p. of the source

2. Explain the second law of Illumination

3. Differentiate between plane angle and solid angle.

4. Explain both the types of MV Lamps with neat sketches

5. Explain the fluorescent lamp with a neat sketch

6. Along the center of a line of a corridor, number of lamps is fitted with reflectors. The distance

between the two adjacent lamps is 7.5cm and the height of each lamp from the floor is 5m. The C.P

of each lamp is 100 in all directions below the horizontal. Determine the maximum and Minimum

Illumination along the centerline of the floor and draw a graph showing the variation of the

illumination along this line between the two lamps.

UNIT-II

HEATING AND WELDING

Electrical heating-advantages, methods and applications, Resistance heating, design of

heating element, efficiency calculations. Induction heating: Core type and Core less

furnaces and high frequency eddy current heating, dielectric heating: principle and

applications - Problems, Arc furnaces: Direct arc and Indirect arc furnaces-Problems.

Electric welding- types, merits and demerits.

Learning Outcomes


1. Understand the concepts of electric heating and welding

2. Learn different types of heating and welding schemes

3. Know the merits and demerits of different heating and welding schemes

4. Evaluate efficiency for each scheme

5. Solve problems related to heating and welding

TEACHING PLAN

S. No Description

No. of

Periods (15)

Mode of delivery

1 Electric heating, advantages of electric

heating

1 Board and chalk

2 Methods and applications of electric heating 1 Board and chalk

3 Resistance heating 1 Board and chalk

4 Design of heating element 1 Board and chalk

5 Efficiency calculations 1 Board and chalk

6 Induction heating 1 Board and chalk

7 Core type and core less furnaces 1 PPT

8 High frequency eddy current heating 1 Board and chalk

9 Dielectric heating 1 Board and chalk

10 Principle and applications of dielectric heating 1 Board and chalk

11 Problems on heating 1 Assignment

Sheet

12 Arc furnaces: Direct and indirect arc furnaces 1 Board and chalk

13 Problems on arc furnaces 1 Board and chalk

14 Different types of Electric welding 1 Board and chalk

15 Merits and demerits of different types of

electric welding

1 Board and chalk

Tutorial

1. Design the ribbon type Heating Element with necessary expressions

2. Explain the Advantages of Electric Heating

3. Explain the Indirect Arc Furnace with a neat sketch

4. Explain various welding methods with neat sketches

5. Differentiate between AC & DC Welding

Assignment

1. Give relative advantages and disadvantages of direct and indirect electric arcFurnaces.

2. An electric arc furnace consuming 6KW takes 15 minutes to just melt 1.8Kgsof aluminum,

the

initial temperature being 17oC. Find the efficiency of the furnace. Specific heat of aluminum is

0.215, melting point 668oC and latentheat of fusion is77.8Cal per gram.

3. Explain the Ajax Wyatt Furnace With a neat sketch

4. Differentiate between arc and resistance welding

5. Why arc resistance is possessing negative resistance characteristics? Justify

6. What are the requirements of good welding?

UNIT-III

ELECTRIC DRIVES

Introduction to Electric vehicle, Types of electric drives, choice of motor, starting and

running characteristics, speed control, Methods of Electric Braking: Plugging, Rheostatic

and Regenerative Braking. Temperature rise, particular applications of electric drives,

types of industrial loads, continuous, intermittent and variable loads, load equalization.

Learning Outcomes


1. Acquire the knowledge of different types of electric vehicles

2. Get acquaint with Speed control characteristics of motor

3. Get acquittance about various types of braking schemes

4. Get awareness about different applications of electric drives

5. Get the knowledge of diferent types of industrial loads

TEACHING PLAN

S. No Description

No. of

Periods (13)

Mode of delivery

1 Introduction to electric vehicle 1 Board and chalk

2 Different types of electric vehicles 2 Board and chalk

3 Selection of motor 1 Board and chalk

4 Starting and running characteristics of motor 1 PPT

5 Speed control of motor 1 Board and chalk

6 Methods of electric braking 2 Board and chalk

7 Problems on electric braking 2 Board and chalk

8 Applications of electric drives 1 Board and chalk

9 Types of industrial loads 1 Board and chalk

10 Load equalization 1 Board and chalk

Tutorial

1. Explain the choice of Electrical Drives for various applications

2. Explain the Heating and cooling curves

3. Explain speed control of various motors

4. Explain the starting and running characteristics of different motors

5. Explain in detail about types of Industrial Loads

Assignment

1. Compare DC and AC Drives.

2. What do you understand by electric braking? Why it is necessary to have

mechanical brakes in electric drives? What are the advantages of electric brakes

over mechanical brakes ? Describe in brief various methods of electric braking

and mention their realative merits and demerits?

3. Define the terms ‘Continuos rating’, ‘Continuos maximum rating’, and ‘short

term rating’ ?

4. What are the reasons for using load equalization ? Explain with example a drive

requiring load equalization?

5. A series motor takes 20A at 400V and runs at 250 rpm. The armature resistance is

0.6ohm and the field resistance is 0.4 ohm. The torque required by the device varies as

thesquare of the speed . Find the applied voltage and current to run the device at 350rpm.

UNIT-IV

ELECTRIC TRACTION (Part – I)

Traction Systems: types, Electric traction. Modern 25 KV A.C. single phase traction

systems: advantages, equipment and layout of 25 KV single phase A.C. traction system.

Simplified speed time curves, Average and scheduled speed - Quadrilateral and

Trapezoidal speed time curves-Problems.

Learning Outcomes


1.Get acquaintance about different types of electric traction

2. Get awareness about equipment used and layout of 25 kV single phase electric traction

system.

3. Analyze the speed time curves

TEACHING PLAN

S. No Description

No. of

Periods (13)

Mode of delivery

1 Introduction to Traction systems 1

Board and chalk

2 Different types of traction systems 2 Board and chalk

3 Electric traction 1 PPT

4 Modern 25 kV A.C traction systems 2 PPT

5 Advantages of traction systems 1 Board and chalk

6 Equipment and layout of electric traction

systems

2 PPT

7 Simplified time curves 1 Board and chalk

8 Average and scheduled speed 1 Board and chalk

9 Quadrilateral and trapezoidal speed-time

curves

1 PPT

10 Problems on electric traction 1 Board and chalk

Tutorial

1. Explain the various motors of Electric Traction with characteristics

2. Differentiate between dc and ac traction drives.

3. Explain the mechanics of train movement with necessary expressions

4. Draw the speed time curves of different services

5. Explain the various parts of General speed time curve.

Assignment

1. What are the advantages of Electric Traction?

2. Explain the regenerative braking of various traction motors

3. Explain plugging with one example

4. Derive the necessary expressions of trapezoidal speed time curve

5. Derive the necessary expressions of quadrilateral speed time curve

6. Define various terms of Speed Time curve

7. Explain the various factors which will affect schedule speed of the train. A mail is to be run

between

two stations 5kms apart at an average speed of 50km/hr. If the maximum speed is to be limited to

70km/hr, acceleration to 2km/hr/sec, braking retardation to 4km/hr/sec and coasting retardation

to

0.1km/hr/sec, determine the speed at the end of coasting, duration of coasting Period and braking

period.

UNIT-V

UNIT - V ELECTRIC TRACTION (Part – II)

Mechanics of train movement: Adhesive Weight, coefficient of Adhesion, tractive effort

and specific energy consumption, factors affecting specific energy consumption

problems.

Learning Outcomes


1. Understand the mechanics of train

2. Concepts related to specific energy consumption

3. Factors affecting specific energy consumption

TEACHING PLAN

S. No Description

No. of

Periods (10)

Mode of delivery

1 Mechanics of train movement 1 Board and chalk

2 Adhesive weight 1 Board and chalk

3 Coefficient of adhesion 1 Board and chalk

4 Tractive effort 1 Board and chalk

5 Specific energy consumption 1 Board and chalk

6 Factors affecting specific energy consumption 1 Board and chalk

7 Problems on adhesion 1 Board and chalk

8 Tutorial on electric traction 1 Tutorial sheet

9 Recapitulation of different topics covered in

UEE

1 PPT

10 Assignment 1 Assignment sheet

Tutorial

1 . Explain the mechanics of train movement with necessary expressions

2. Draw the speed time curves of different services

3. Explain the various parts of General speed time curve.

Assignment

1. Derive the necessary expressions of trapezoidal speed time curve

2. Derive the necessary expressions of quadrilateral speed time curve

3. Define various terms of Speed Time curve

4. Explain the various factors which will effect schedule speed of the train. A mail is to be run

between

two stations 5kms apart at an average speed of 50km/hr. If the maximum speed is to be limited to

70km/hr, acceleration to 2km/hr/sec, braking retardation to 4km/hr/sec and coa-sting retardation

to

0.1km/hr/sec, determine the speed at the end of coasting, duration of coas-ting Period and

braking

period.

TEXT BOOKS

1. Utilization of Electric Energy by E. Openshaw Taylor, Orient Longman private

limited, 1971.

2. Art & Science of Utilization of electrical Energy by Partab, DhanpatRai& Sons.

3. Utilization of Electric Power and Electric Traction by G.C.Garg, Khanna Publishers REFERENCE BOOKS

1. Utilization of Electrical Power including Electric drives and Electric traction by

N.V.Suryanarayana,

New Age International (P) Limited, Publishers, 1996.

2. Generation, Distribution and Utilization of electrical Energy by C.L. Wadhwa, New

Age International

(P) Limited, Publishers, 1997.

3. Utilization of Electrical Power by J.B.Gupta, Kataria publishers.

COURSE ASSESSMENT METHODS

Mode of

Assessment

Assessment

Tool Periodicity

Percentage

Weightage Evidences

Direct

Mid Terms

Examinations Twice in a semester 25 Answer Scripts

Assignment,

Quiz etc.

At the end of each

unit 5

Assignment

Books / Quiz

sheets etc.

End Semester

Examination

At the end of the

Semester 70 Answer Scripts

Indirect Course End

Survey

At the end of

Semester 100 Feedback forms

Utilization of Electrical Energy

Model Paper –I

1(a) Thougha.c. is superior to d.c. for electric drives, sometimes d.c. is preferred. Givethe

reasons

and mention some of the applications.

(b) A d.c. series motor drives a load, the torque of which varies as the square of thespeed.

The

motor takes current of 30 amps, when the speed is 600 r.p.m. Determine the speed and

current

when the field winding is shunted by a diverter, the resistance ofwhich is 1.5 times that of the

field winding. The losses may be neglected. [8+8]

2(a) What are the applications of high frequency eddy current heating? Also explain the

principle

of high frequency eddy current heating.

(b) Estimate the energy required to melt one ton of brass in a single phase inductionfurnace.

If the

melt is to be carried out in 75 minutes, what must be the average power? input to the furnace?

Specific heat of brass = 0.094, Latent heat of fusion =38.88Kcal/Kg, Melting point of brass =

920oC, Furnace efficiency = 70%. [8+8]

3(a) What are the basic components of AC and DC welding sets and explain theirworking?

(b) Describe briefly the various types of arc welding processes used in industry. [8+8]

4(a) State the laws of Illumination. Explain the laws with the help of suitable diagrams,and

derive

an equation of the same.

(b) A lamp fitted with 120 degrees angled cone reflector illuminates circular area of 200

metres in

diameter. The illumination of the disc increases uniformly from 0.5 metre candle at the edge

to 2

metre-candle at the centre. Determine [8+8]

i. the total light received

ii. Average illumination of the disc

iii. Average c.p. of the source

5(a) Explain with connection diagram the operation of the fluorescent lamp and state its

advantages.

(b) Enumerate the various factors, which have to be considered while designing anylighting

scheme.

[8+8]6(a) Explain why a DC series motor is ideally suited for traction purposes.

(b) State the condition under which regenerative braking with DC series motor ispossible.

With the

aid of diagrams of connection, explain the various methods ofproviding regeneration. [8+8]

7(a) For a quadrilateral speed-time curve of an electric train, derive expression for

thedistance

between stops and speed at the end of the coasting period.

(b) Draw the speed-time curve of a main line service and explain how it works. [8+8]

8(a) Derive an expression for specific energy output on level track using a simplifiedspeed-

time

curve. What purpose is achieved by this quantity?

(b) A 400 tonne goods train is to be hauled by a locomotive up a gradient of 2%

withacceleration

of 1 km/hr/sec, coefficient of adhesion 20%, track resistance 40newtons/tonne and effective

rotating masses 10% of the dead weight. Find the weight of the locomotive and the number

of

axles if the axle load is not to increase beyond 22 tonnes. [8+8].

Utilization of Electrical Energy

Model Paper –II

1(a) Discuss the advantages and disadvantages of electric drive over other drives.

(b) A 220 V, 10 h.p. (metric) shunt motor has field and armature resistances of 120Ohms and

0.25

Ohm, respectively. Calculate the resistance to be inserted in the armature circuit to reduce the

speed to 700 r.p.m. from 950 r.p.m, if the full load efficiency is 80% and the torque varies as

the

square of the speed. [8+8]

2(a) Explain the principle of Induction heating. What are the applications of

inductionheating?

(b) With a neat sketch explain the working principle of coreless type induction furnace.

[8+8]

3(a) What are the advantages and disadvantages of electric welding processes.

(b) Describe with a neat sketches, various methods of electric resistance welding.[8+8]

4(a) Explain how the determination of Mean horizontal luminous intensity and polar

curve is made.

(b) Find the height which a light having uniform spherical distribution should be placed

over a floor in order that the intensity of horizontal illumination at a given distance

from its vertical line may be greatest. [8+8]

5(a) Compare a tungsten filament lamp with fluorescent lamp in detail.

(b) Explain with sketches the constructional features of a filament lamp. [8+8]

6.Write a brief note on the single phase AC series motor and comment upon it’ssuitability

for

traction services. How does it compare in performance with the DCSeries motor?[16]

7(a) Draw the speed-time curve of a main line service and explain.

(b) A train has a scheduled speed of 40 km/hr between two stops, which are 4 km apart.

Determine

the crest speed over the run, if the duration of stops is 60 sec andacceleration and

retardation

both are 2 km/hr/sec each. Assume simplifiedtrapezoidal speed-time curve. [8+8]

8(a) Derive expression for the specific energy output for a trapezoidal speed-time run of

an electric train. Also write the factors affecting specific energy consumption.

(b) An electric train weighing 200 tonnes has 8 motors geared to driving wheels; each

Wheel is of 80 cm diameter. Determine the torque developed by each motor to

Accelerate the train to a speed of 48 km/hr in 30 seconds up a gradient of 1 in 200.

The tractive resistance of 50 newtons/tonne, the effect of rotational inertia is 10%of

the train weight, the gear ratio is 4 in 1 and gearing efficiency is 80%. [8+8]

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ACADEMIC PLANNING LEARNING OBJECTIVES · Direct Current Transmission – by E.W.Kimbark, John Wiley...

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