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ELECTRICAL ENGINEERING DEPARTMENT 1

COURSE PLANNER

SUBJECT: ELECTRICAL POWER GENERATION

(2140908)

B.E. – Second Year

Class – Electrical 2015

Term: 16/2 (JAN-17 to MAY-17)

Faculty: Prof. K. C. SHAH Prof. R. M. DESAI Prof. L. S. PATEL Prof. S. R. PATEL

Contents: 1. Course Outcomes 2. Course Contents(Syllabus) 3. List of Reference Books 4. List of Experiments

5. List of Open source software and learning websites required for experiments

6. Active Learning Assignments/Tutorial. Instructions for Assignment/Tutorial:

[1] This set of Assignment-Tutorial consist the collection of questions of past GTU

Question papers.

[2] Attend those questions which are bold marked and/or frequently asked in GTU

exam.

[3] Students should make a separate Chapter wise Files [write on File Pages] to solve

these Questions.

[4] Students must solve these given set of Assignments by themselves only.

[5] Assessment of given assignment should be done regularly after completion of each

chapter by Students from the respective faculty members.


[1] Course outcomes: After the completion of this course, the student shall have understanding of

1. Working of thermal power station (TPS) using single line diagram and state the

functions of the major equipment and auxiliaries of a TPS.

2. Hydro energy conversion process with block diagrams and identify the appropriate

site for it.

3. Explain the working of Nuclear power station.

4. Describe the working of Diesel power station and Gas turbine power plant.

5. Compare various economic aspects of different types of Tariffs.

6. Classify various substations and describe working of its equipments.

7. Measure earth resistance.

8. Describe and compare various types of Neutral Earthing.

9. Obtain I-V characteristics and performance analysis of Solar cell/module/Array

modeling.

10. Identify various components of Wind Energy Conversion system.


[2] Course Contents (Syllabus):

SR.

NO. TOPICS

Teaching

Hrs.

Module

Weightage

1

Introduction: Amount of generation of electric power from Conventional and nonconventional sources of energy in Gujarat and India and some developed countries of the world.

01 00

2

Steam Power Station: Schematic arrangement, advantages and disadvantages, choice of site, efficiency of steam power station, Types of prime movers, characteristic, speed control & auxiliaries. Environmental aspects for selecting the sites and locations of thermal power stations.

04 08

3

Hydro Power Station: Schematic arrangement, advantages and disadvantages, choice of site constituents of hydro power plant, Hydro turbine. Environmental aspects for selecting the sites and locations of hydro power stations.

03 06

4

Nuclear Power Station: Schematic arrangement, advantages and disadvantages, selection of site, types of reactors, Hazards, Environmental aspects for selecting the sites and locations of nuclear power stations.

03 06

5

Diesel Power Plant: Introduction, Schematic arrangement, advantages and disadvantages, Choice and characteristic of diesel engines, auxiliaries.

03 06

6

Gas Turbine Power Plant: Schematic arrangement, advantages and disadvantages of Gas turbine power plant. Open cycle and Closed cycle gas turbine power plant, Combined cycle power plant, Comparison of various power plants.

03 06

7

Tariff and Economic aspects in power Generation: Terms commonly used in system operation, various factors affecting cost of generation: Load curves, load duration curves, Connected load, maximum load, Peak load, base load and peak load power plants, load factor, Plant capacity factor, Plant use factor, Demand factor, diversity factor, Cost of power plant, Tariffs.

05 10

8

Power Generation by Non Conventional Energy Sources: Introduction: Need of Renewable energy

Fossil fuel based systems Impact of fossil fuel based systems Non-conventional energy – seasonal variations

and availability Renewable energy – sources and features

03 06


Distributed energy systems and dispersed generation (DG)

9

Photovoltaic Power Conversion systems: Solar radiation spectrum. Radiation measurement. Applications of solar thermal systems

1. Heating 2. Cooling 3. Drying 4. Distillation 5. Power generation

Solar Photovoltaic(SPV) systems 1. Operating principle 2. Photovoltaic cell concepts 3. Types of solar cells, fabrication of SPV cells 4. Cell, module, array (Series and parallel connections) 5. SPV system components and their characteristics, applications 6. Block diagram of general SPV system 7. Battery sizing and Array sizing

Applications of Solar Photovoltaic systems 1. Battery charging 2. Pumping 3. Lighting

Green Building (Solar – thermal, Solar – PV) 1. Sizing residential systems 2. Batteries and Inverters

Present Status of PV in India Governmental incentives, Numerical

08 16

10

Wind Power Conversion System: Introduction to wind energy basic principles of wind energy conversion forces on the blade power in the wind – maximum power wind energy conversion – wind data and

(qualitative treatment only) energy estimation Basic components of wind energy conversion

systems classifications of WECS-HAWT, VAWT, Geared

wind power plants (WPPs), direct-drive WPPs and Hybrid (semi-geared) WPPs

Schemes of electric generation Squirrel Cage Induction Generators (SCIG),

wound rotor (WRIG), doubly-fed (DFIG), wound rotor synchronous generator (WRSG), Permanent magnet synchronous generator (PMSG)

Comparison/ advantages and disadvantages of WECS.

Site selection considerations. Numerical.

09 16

11

Substation: Classification of Substations, substation equipments, Specification and selection of equipments, Site selection of substation.

05 10


12

Neutral Earthing: Introduction, isolated neutral, earth neutral systems-solid, resistance, reactance. Arc suppression coil, Voltage Transformer and Earthing Transformer, Earthing Systems.

05 10


[3] List of Reference Books:

1. A Text book of Power System Engineering, A Chakrabarti, M. L Soni, P. V. Gupta, U. S. Bhatnagar, Dhanpat Rai Publication

2. Renewable Energy Technologies, Solanki, Chetan S. , PHI Learning, New Delhi, 2011

3. Wind Power Technology, Earnest, Joshua, PHI Learning, New Delhi, 2013 4. Renewable Energy Sources for Sustainable Development, N.S. Rathore and N. L.

Panwar, New India Publishing Agency, New Delhi 5. Wind Power in Power System, Thomas Ackermann, John Willey &Sons, 2005 6. Renewable Energy Resources, J. Twidell and T. Weir, E & F N Spon Ltd, London,

1999 7. Electric Power Generation: Transmission and Distribution, S. N. Singh, PHI

Learning, New. 8. Electrical Power, Dr. S.L. Uppal.


[4] List of Experiments:

Sr. No. Experiment Name

1 PREPARE A DRAWING SHEET OF THERMAL POWER STATION WITH MAIN CYCLE AND WORKING OF T.P.S.

2 PREPARE A REPORT ON T.P.S IN GUJARAT USING INTERNET FACILITY.

3 STUDY OF SOLAR CELL/MODULE/ARRAY MODELING, ITS I-V CHARACTERISTICS AND PERFORMANCE ANALYSIS.

4 STUDY OF PV MODULE DESIGN AND OUTPUT ANALYSIS.

5 PREPARE A REPORT ON H.P.S IN GUJARAT USING INTERNET FACILITY.

6 VISIT THE WEBSITE OF MNRE/GEDA AND PREPARE A REPORT.

7 PREPARE A DRAWING SHEET OF GAS BASED POWER PLANT.

8 STUDY OF LOAD CURVE AND ITS INTERPRETATION.

9 STUDY PAY BACK ANALYSIS, FINANCIAL WORK SHEET OF RENEWABLE ENERGY PROJECT.

10 PREPARE A VISIT REPORT ON SUBSTATION.


[5] List of Open source softwares and learning websites required for experiments: MATLAB/Scilab

1. Solar cell/module/Array modeling and I-V curve 2. Simulation of Battery charging/discharging


[6] Active Learning Assignments/Tutorial :

2

Steam Power Station: Schematic arrangement, advantages and disadvantages, choice of site, efficiency of steam power station, Types of prime movers, characteristic, speed control & auxiliaries. Environmental aspects for selecting the sites and locations of thermal power stations.

04 08

Attempt FIVE and Two Examples:-

SR.

NO. QUESTION YEAR MARKS

1 Explain the principle of impulse turbine and how it differs from reaction turbine.

JUN-10 03

2

Explain Schematic arrangement of Steam Power station with neat sketch. Give merits of the steam power station & explain the function of major components in it. OR Draw and label the schematic arrangement of a Thermal power station. OR Draw the schematic diagram of a steam power station. OR Draw the general layout of steam power station and explain the working of it in brief.

JUN-10 DEC-10 JUN-11 DEC-11 DEC-12 JUN-13 JUN-14 JUN-16 NOV-16

07 08

3

Explain the function and location of following equipments with respect to thermal power plant. (I)Super heater (II)Electrostatic Precipitator (III) Economizer (IV) Condenser(V) I.D. Fan (VI) F.D. Fan (VII) Exciter(VIII) Cooling Tower (IX) Pulverizer (X) Alternator (XI) Air Pre Heater (XII)EPS (XIII)Boiler feed pump

DEC-10 MAY-12 DEC-14 JAN-15 JUN-15 DEC-15

07

4 Draw the typical layout of thermal power plant and describe the function of a coal handling plant. OR Describe: In plant handling of coal.

DEC-10 JUN-11 MAY-12

07

5

Explain the essential factors which influence the choice of site for steam power station. OR Discuss factors for site selection of Thermal power station

JUN-10 DEC-11 DEC-12 DEC-13 NOV-16

04

6 Why a dust collection system is needed in coal thermal power plants? Explain the methods used for dust collection.

DEC-11 07

7 Explain various types of pulverized coal burners used. DEC-11 07

8 Why an old steam power plant cannot be used as an MAY-12 07


alternative to a pumped storage plant for peak load operation. Also discuss the merits and demerits of steam power plants.

9 Give the classification of steam turbines used in power plants. Also discuss the different methods of compounding of steam turbines.

MAY-12 07

10 Why Electrostatic Dust Collectors (ESP) is provided? Explain the operation of it with necessary diagram.

DEC-12 07

11 Discuss fully binary cycle solar thermal power plant DEC-12 07

12 Explain the different types of Ash Handling system with reference to thermal power station.

DEC-12 07

13 What do you understand by thermal shielding? Also explain the functions of a reflector.

DEC-13 07

14 Explain functions of various equipments used in thermal power station.

JUN-14 07

15 Why is the overall efficiency of a steam power station very low?

JUN-16 03

16 Economizers are used to heat _______________________ JUN-16 01

17 What is the difference between base load & peak load? NOV-16 01

18 Write function of economizer in thermal power plant. NOV-16 01

SR.

NO. EXAMPLE YEAR MARKS

1 A power plant consumes 3600 tons of coal per day. If the coal has an average content of 10,000 Btu/lb. What is the plant’s power output? Assume an over all efficiency of 15 %.

MAY-12 07

2

Coal has an average energy content of 940W. Years/ton, and natural gas has an energy content of 0.036 W· year/ft3. If 80 percent of the net energy requirement of 2.82 X 106 gwh were to be met with coal and 20 percent with gas, what amounts of coal and gas would be required?

DEC-13 07


3

Hydro Power Station: Schematic arrangement, advantages and disadvantages, choice of site constituents of hydro power plant, Hydro turbine. Environmental aspects for selecting the sites and locations of hydro power stations.

03 06

Attempt FIVE and One Example:-

SR.

NO.

QUESTION YEAR MARKS

1

Discuss the merits & demerits of hydro electric plant. OR Discuss advantage and disadvantage of hydroelectric plant.

JUN-10 DEC-11 JUN-14

03 04 07

2

State the essential elements of hydro electric power plant & show them in sketch of such a typical plant. OR Draw and explain schematic arrangement and its various components for a hydro power station. OR Discuss the points to be considered in locating the site of a hydro power plant. Write the advantages and disadvantages of hydro power plant.

JUN-10 JUN-15 NOV-16

07

3 Explain in brief: (i) Surge Tank (ii) Super Heater (iii) Economizer.

DEC-10 06

4

Explain the essential factors which influence the choice of site for a hydro power station. OR How site for hydro electric plant is chosen? OR Discuss choice of site for Hydro Electric Power station OR Discuss the essential factors to be considered for the site selection of Hydro electric power plant.

JUN-10 DEC-10 JUN-11 DEC-11 MAY-12 DEC-12 JUN-13 DEC-13 JUN-14 JAN-15 JUN-16

04 07

5 What is meant by water hammering effect? How it is minimized with the help of surge tank?

DEC-10 JUN-16

04

6 Write notes on “Pumped Storage Hydro Electric power plant”

DEC-10 07

7

Give classification of hydro-electrical power plants. Draw a line diagram giving layout of a high head power plant and describe its working .Also discuss why are pump storage schemes employed in interconnected power system.

MAY-12 07

8

Draw neat schematic diagram of hydro power station and label each component. OR Explain with diagram elements of hydro-electric power plant.

DEC-12 JUN-13 DEC-14

07


9 Explain the different types of turbine used in hydro power station.

JUN-13 NOV-16

07 03

10

One million cubic meters of water is stored in a reservoir feeding a water turbine. If the centre of mass of the water is 50 m above the turbine and losses are negligible, how much energy (in mega watt hours) will that volume of water produce? The density of water is 993 kg/m2

DEC-13 07

11

Give comparison between thermal power plant and hydro power plant. OR Give comparison of steam power station and hydro power station.

JUN-14 JUN-15 DEC-15

07

12 Explain the functions of the following : (i)Dam (ii) spillways (iii) surge tank (iv) draft tube.

JUN-16 04

13 In a hydro-electric plant, spillways are used______________.

JUN-16 01

14 Francis and Kaplan turbines are used for_________ heads. JUN-16 01

15 Write function of surge tank in hydro power plant. Nov-16 01

16 Why overall efficiency of hydro power plant is high? Nov-16 01

SR.

NO.

EXAMPLE YEAR MARKS

1

One million cubic meters of water is stored in a reservoir feeding a water turbine. If the centre of mass of the water is 50 m above the turbine and losses are negligible, how much energy (in mega watt hours) will that volume of water produce? The density of water is 993 kg/m2

DEC-13 07


4

Nuclear Power Station: Schematic arrangement, advantages and disadvantages, selection of site, types of reactors, Hazards, Environmental aspects for selecting the sites and locations of nuclear power stations.

03 06

Attempt FOUR:-

SR.


1

Explain with sketch the working of nuclear power station. Discuss merits and problems associated with nuclear power station. OR Explain the schematic of nuclear power station in detail with necessary diagram.

JUN-10 DEC-10 DEC-12 DEC-13 JUN-15

07

2 Explain the function of moderator. How is a moderator selected? Why does a breeder reactor require no moderator

JUN-10 04

3 Write a short note on nuclear reactors. OR Classify different types of nuclear reactors.

DEC-10 JUN-11 DEC-13 JUN-14 NOV-16

06 07

4 Write short note on “Nuclear Plant Impacts”. JUN-11 04

5

Explain with a neat sketch the various parts of nuclear reactor. OR Discuss main component of nuclear reactor and their function with neat sketch. OR Draw the neat sketch of a nuclear reactor and explain function of each part. OR Enlist different types of nuclear reactors. Explain working of pressurized water nuclear reactor with suitable diagram.

JUN-11 DEC-11 JUN-13 JUN-14 JAN-15 DEC-15

07

6

Explain with a neat diagram various parts of a nuclear reactor mentioning clearly the function of each part. Why in nuclear reactor multiplication factor is kept almost equal to one?

DEC-11 MAY-12

07

7 Compare steam power station with nuclear power station.

DEC-11 07

8 Write short note on site selection of nuclear power plant

DEC-11 07

9 Discuss advantages and disadvantages of nuclear power stations.

JUN-10 DEC-12 JUN-13

07 03


DEC-13 JUN-16

10 State the function and type of material used for control rods in nuclear reactor.

JUN-14 07

11

Explain functions of the following in relation to nuclear power station: (i) Control rod (ii) Moderator (iii) Coolant (iv) Heat exchanger

DEC-15 JUN-16

07 04

12 What are the advantages of nuclear power plants? Also write problems associated with it.

NOV-16 03

13 Explain the difference between fusion reaction and fission reaction.

NOV-16 04

14

Of all the plants, minimum quantity of fuel is required in________________________ plant.

JUN-16 01

15 What is chain reaction? Nov-16 01

16 What is the function of moderator & control rod? Nov-16 01

17 Write name of any three nuclear power plant of India. Nov-16 01


5

Diesel Power Plant: Introduction, Schematic arrangement, advantages and disadvantages, Choice and characteristic of diesel engines, auxiliaries.

03 06

Attempt THREE:-

SR.


1 Draw neat sketch of schematic arrangement of Diesel Power station and explain each component. Give its advantages and disadvantage of plant

JUN-10 JULY-10 JULY-11 DEC-11 DEC-13 JUN-15 JUN-16

07

2 Discuss the applications of Diesel Power Plant. DEC-10 MAY-12 JAN-15

05 07

3

Compare steam, hydro, gas, nuclear and diesel power plants on basis of site, initial cost, fuel cost, maintenance, water requirement, reliability, etc. OR Differentiate between Thermal and Diesel power plant.

JULY-11 DEC-12 JUN-14

07

4 Discuss the methods by which the biogas can be used in diesel engines. What are its advantages?

DEC-13 07

5 Mention the advantages and disadvantages of a diesel power plant over a gas turbine power plant

DEC – 13 07

6 Diesel power plants are used as___________ plants. JUN-16 01

7 Write the name of various elements of diesel power plant.

Nov-16 01


6

Gas Turbine Power Plant: Schematic arrangement, advantages and disadvantages of Gas turbine power plant. Open cycle and Closed cycle gas turbine power plant, Combined cycle power plant, Comparison of various power plants.

03 06

Attempt FOUR and One Example:-

SR.


1

Draw &Explain the working of (i) open cycle gas turbine (ii) close cycle gas turbine power plants and discuss the advantage and disadvantage of each one of them. OR Explain working and differences of open cycle and closed cycle gas turbine power plant with suitable figures.


07

2

What do you understand by combine cycle power plant? What are their salient features? Discuss the popular systems. OR Explain combined cycle power plant with necessary diagram. OR Draw the layout and explain how electrical power is generated in a Combined Cycle Power Plant. OR Give schematic arrangement and explain the working of combined cycle gas power plant.

JUN-10 DEC-10 DEC-11 DEC-14 JUN-15

07

3

Explain the working of a gas turbine power plant with a schematic diagram. OR With a schematic diagram explain function of main components of Gas Turbine power plant. OR Explain types of gas turbine power plant with diagram. Why compressor is use in gas turbine power plant?

JUN-10 DEC-10 JUN-11 DEC-11 JUN-13 JAN-15 NOV-16

07

4

Give advantages of closed cycle gas turbine power plant over open cycle gas turbine plant. OR Explain advantages of closed cycle gas turbine power plant.

JUN-11 JUN-14 JUN-16

07

5

State advantages and disadvantages of Gas Turbine Power station. OR Explain advantages and disadvantages of Gas power plant.

MAY-12 JUN-14 JAN-15

07

6

Mention the fields of application of gas turbine plants highlighting their relative merits over other conventional plants. What are the major disadvantages of such plants?

MAY-12 07

7 Differentiate between open and closed gas turbine cycles. Discuss two methods for improving the efficiency of gas turbine plant. Why is a starting motor

MAY-12 JUN-16

07


required in a gas turbine power plant?

8 What do you understand by combine gas turbine plants? What are their salient features? Discuss briefly the popular systems.

MAY-12 07

9 Draw and explain combined cycle power plant DEC-12 07

10 What are the main component and auxiliary component of gas turbine plants? Explain it.

DEC-13 07

11 Give the advantages and disadvantages of open cycle gas turbine power plant. Also state advantages and disadvantages and applications of solar power

DEC-13 07

12 Gas turbine power plant is___________ efficient than steam power plant.

JUN-16 01

SR.

NO.

EXAMPLE YEAR MARKS

1

Coal has an average energy content of 940W. Years/ton, and natural gas has an energy content of 0.036 W· year/ft3. If 80 percent of the net energy requirement of 2.82 X 106 gwh were to be met with coal and 20 percent with gas, what amounts of coal and gas would be required?

DEC-13 07


7

Tariff and Economic aspects in power Generation: Terms commonly used in system operation, various factors affecting cost of generation: Load curves, load duration curves, Connected load, maximum load, Peak load, base load and peak load power plants, load factor, Plant capacity factor, Plant use factor, Demand factor, diversity factor, Cost of power plant, Tariffs.

05 10

Attempt THREE and ALL Example:-

SR.


1

Define (i) Connected load (ii) Plant capacity factor (iii) Diversity factor (iv) Maximum load (v) Plant use factor (vi) Base load (vii) Peak load

JUN-15

DEC-15

JUN-16

NOV-16

07

2

Determine load factor at which the cost of supplying a unit of electricity from a Diesel and from a Steam station is same if the annual fixed and running charges are as follows : Diesel Fixed Rs. 300/Kw Running Rs. 0.25/kWh Steam Fixed Rs. 1200/Kw Running Rs. 6.25/kWh

DEC-15 07

3 Enlist different types of tariff and explain any three types of tariff. OR

DEC-15

JUN-16 07

4 The value of demand factor is_________ than one. JUN-16 01

5 The block rate tariff is mostly applicable to___________

consumers.

JUN-16 01

6 The ideal tariff for any type of consumer is_________ tariff. JUN-16 01

7 What is tariff? Explain the types of tariff.

NOV-16 03

8 What is load curve and load duration curve? NOV-16 01

9 What are objectives of tariff? NOV-16 01

SR.

NO.

EXAMPLE YEAR MARKS

1

The annual consumption of domestic customer is 1500000 units and annual load factor is 40%. What will be the saving in the average unit cost, if the load factor improves to 100%? Consider two part tariff :Rs. 500 per Kw of maximum demand per year + Rs. 0.40 per kWh.

JUN-15

DEC-15 07

2

A power station is to supply three industrial loads- whose peak loads are 50 MW,40 MW and 30 MW. The annual load factor is 0.65 and diversity factor is 1.75. Estimate the following.

NOV-16 07


(i) Maximum demand on the plant (ii) Average load (iii) Annual energy generated


8

Power Generation by Non Conventional Energy Sources: Introduction: Need of Renewable energy

Fossil fuel based systems Impact of fossil fuel based systems Non-conventional energy – seasonal variations and

availability Renewable energy – sources and features Distributed energy systems and dispersed

generation (DG)

03 06

Attempt All:-

SR.


1 What do you mean by conventional and non-conventional source of energy? Explain the advantages and disadvantages of them in detail.

DEC-12 07

2 What is energy? Write various sources of energy. NOV-16 03

3 Compare conventional energy sources with non conventional energy sources.

NOV-16 03

4 Explain present status of photovoltaic system in Gujarat and India.

NOV-16 03

5 Write name of conventional & nonconventional energy sources.

NOV-16 01


9

Photovoltaic Power Conversion systems: Solar radiation spectrum. Radiation measurement. Applications of solar thermal systems

a. Heating 2. Cooling 3. Drying 4. Distillation 5. Power generation

Solar Photovoltaic(SPV) systems 1. Operating principle2. Photovoltaic cell concepts 3. Types of solar cells, fabrication of SPV cells 4. Cell, module, array (Series and parallel connections) 5. SPV system components and their characteristics, applications 6. Block diagram of general SPV system 7. Battery sizing and Array sizing

Applications of Solar Photovoltaic systems b. Battery charging 2. Pumping 3. Lighting

Green Building (Solar – thermal, Solar – PV) c. Sizing residential systems 2. Batteries and Inverters

Present Status of PV in India Governmental incentives, Numerical

08 16

Attempt NINE and One Example:-

SR.


1

Describe with the help of a neat sketch the working of solar power plant. What are its salient features? OR Describe with the help of a neat sketch, the working of solar power plant. OR What is solar energy? How solar energy may be utilized in generation of electric power? Explain with the help of neat-sketch

JUN-10 JUN-11 DEC-11 MAY-12 DEC-14

07

2 List merits and limitations of solar energy conversation and utilization.

JUN-10 07

3 Write field of applications of solar energy. Prepare a note on solar swimming system.

JUN-10 07

4 Explain solar refrigeration and solar air conditioning with necessary figure.

JUN–10 DEC-11 DEC-15 JUN-16

07

5 Define and classify Solar radiation. Explain flat plate type solar collector.

JUN-10 07

6

Explain briefly: Photo voltaic system for power generation. OR Explain Solar Photovoltaic System briefly. OR Explain the working and characteristic of solar photo voltaic system. OR Explain working principle of solar photovoltaic cell. Draw and explain the I-V and P-V characteristics of solar

JUN-10 DEC-11 DEC-12 DEC-13 JUN-15 DEC-15 JUN-16

07


photovoltaic cell. NOV-16

7 Explain scattering of Solar radiation by the atmosphere. DEC-10 DEC-13

05 07

8 List out the applications of Solar Energy. Explain any one with neat sketch. OR Discuss the applications of solar energy.

DEC-10 NOV-16

07 04

9 Explain a solar pond based power plant with the help of a neat diagram.

DEC-10 08

10

What is Solar Collector? State various types of solar collector. Explain any one of them. OR List out the different types of solar collector. Explain the different types of flat plat collectors in brief.

DEC-10 DEC-12 JAN-15

07

11 Define following with diagram for solar – earth system • Solar azimuth angle • Zenith angle • Declination angle • Hour angle • Angle of incidence.

JUN-11 DEC-13

07

12 Distinguish between Beam and Diffuse radiation. What do you mean by Global radiation?

JUN-11 07

13 Explain solar photovoltaic system and also explain its use in solar pumping.

JUN-11 JAN-15

07

14 Explain : Solar drying system JUN-11 DEC-13 JAN-15

07

15

Explain liquid Flat Plate Solar Collector. Also explain Solar Air heater using it. OR Explain construction and function of liquid flat plate collector with neat sketch.

MAY-12 JUN-13

07

16 Explain Solar Distillation system MAY-12 JUN-14 JUN-15

07

17 State types of Solar Dryers and explain any one solar dryer with neat sketch.

MAY-12 JUN-13

07

18 Explain medium temperature Solar Power Plant with neat sketch.

MAY-12 07

19 Explain the application of solar photo voltaic system to lighting and water pumps.

DEC-12 07

20 Define solar radiation. Explain the application of solar energy in brief.

DEC-12 07

21 Explain the advantages and draw backs of solar photo voltaic system and draw basic solar PV system

DEC-12 JUN-13

07

22 Give the basic drying parameters and design calculations for solar drier.

DEC-12 07

23 Explain (i) Solar pond power plant and (ii) Binary cycle thermal power plant with neat diagram.

JUN-13 07

24 Give advantage of solar water heating system and explain forced circulation solar heating system with block diagram.

JUN-13 07

25 Enlist major component in solar pumping system Explain function of any two component with diagram

JUN-13 07

26 Explain the working of Pyranometer for measurement of solar radiations.

JUN-14 07


27 Explain the effects of various parameters on performance of Solar Energy collectors.

JUN-14 07

28 Explain Non-focusing type concentrators of solar energy. JUN-14 07

29 Explain the working of solar panels for Battery charging. JUN-14 07

30 Explain pyranometer with diagram. JUN-15 07

31 Explain concept of green building using solar energy. DEC-15 07

32 What is photovoltaics (solar electricity)? JUN-16 01

SR.

NO.

EXAMPLE YEAR MARKS

1

Wind at 1 bar and 20° C has a velocity of 12 m/s. Calculate: (1) Total power density in wind stream. (2) Maximum power density (3) A reasonable obtainable power density (4) Total power produced if rotor diameter is 60 m and it runs at 50 rpm. (5) The torque and the axial thrust produced at maximum efficiency

DEC-11 07


10

Wind Power Conversion System: Introduction to wind energy basic principles of wind energy conversion forces on the blade power in the wind – maximum power wind energy conversion – wind data and (qualitative

treatment only) energy estimation Basic components of wind energy conversion systems classifications of WECS-HAWT, VAWT, Geared wind

power plants (WPPs), direct-drive WPPs and Hybrid (semi-geared) WPPs

Schemes of electric generation Squirrel Cage Induction Generators (SCIG), wound

rotor (WRIG), doubly-fed (DFIG), wound rotor synchronous generator (WRSG), Permanent magnet synchronous generator (PMSG)

Comparison/ advantages and disadvantages of WECS. Site selection considerations. Numerical

09 16

Attempt EIGHT:-

SR.


1

Write short notes on wind power generation. OR Explain wind to electrical energy conversion system. OR Explain basic principle of wind energy generation.

JUN-10 DEC-11 DEC-10 NOV-16

04 07 04

2

Explain working principle of Wind Energy System. Discuss effects of wind speed on grid conditions briefly. OR Explain effects of wind speed on grid conditions with grid connected wind power systems.


07

3 List applications and limitations of wind energy system JUN-10 DEC-12 DEC-13

07

4 Discuss the methods of Site selections for locating the Wind Mills.

DEC-10 JAN-15 NOV-16

07

5 Which methods are used to control the fluctuation of power in wind turbine projects?

DEC-10 DEC-13

07

6 Discuss the grid connected wind energy conversion system with help of schematic diagram.

JUN-11 DEC-11 MAY-12 DEC-12 JUN-13 DEC-13 JUN-14 JAN-15

07


7 Discuss wind turbine unit with battery storage facilities. DEC-12 07

8 Explain the working principle of wind turbine with the schematic diagram.

MAY-12 DEC-13

07

9 Explain advantages and disadvantages of wind energy system.

MAY-12 JUN-14 Nov-16

07 03

10 Draw and explain vertical axis wind turbine and also discuss merits over horizontal axis wind turbine

JUN-13 07

11 Explain the working of horizontal axis wind generator with the help of a schematic diagram.

JUN-14 07

12 Define (1) Power Coefficient (2) Tip-Speed Ratio (3) Solidity with respect to performance of wind mills

JUN-14 NOV-16

07

13 Explain in brief geared, direct drive and hybrid Wind Power Plant and give their comparison.

JUN-15 DEC-15

07

14 Derive equation for maximum power of wind turbine. JUN-15 07

15 Differentiate between Horizontal and Vertical Axis Wind Turbine.

JUN-15 JUN-16

07

16 Explain construction and working of DFIG. JUN-15 DEC-15 JUN-16

07

17 Derive the equation for available wind power in terms of velocity of wind and diameter of turbine rotor.

DEC-15 07

18 Explain various components of wind energy conversion system with diagram.

DEC-15 JUN-16

07

19 What do you mean by wind energy conversion systems?

JUN-16 01


11

Substation: Classification of Substations, substation equipments, Specification and selection of equipments, Site selection of substation

05 10

Attempt FOUR:-

SR.


1

Draw a neat layout of a 132/33 KV substation having two 132 KV incoming line & four 33 KV out going lines. Show essential equipments in the diagram

JUN-10 DEC-14

07

2

Explain the various equipments used in a substation. OR Enlist equipments or components in substation explain the function of each in brief. OR Explain function of the major equipments installed in the substation. OR Explain function of various equipments used in substation. OR Enlist various equipments used in substation.

DEC-10 JUN-11 DEC-11 DEC-12 JUN-13 DEC-14 JUN-15 DEC-15 JUN-16

08 07 03

3

What are the different substations? Draw the single line diagram of any one type of substation and list down the various equipment used in that substation. OR Draw and explain pole mounted substation with suitable figure.

MAY-12 JUN-15 JUN-16

07 04

4 Draw and explain the general construction of an underground cable. Also only draw key diagram of 66kv/ 11kv substation

DEC-13 07

5

Explain in brief about the classification of substation also differentiate between indoor substation and outdoor substation. OR Explain classification of substation.

DEC-13 JUN-14 NOV-16

07

6 Single bus-bar arrangement in sub-stations is used for voltages less then___________ KV.

JUN-16 01

7 Write the list of equipments used for the control in substation.

NOV-16 01

8 Why C.T. secondary should not be open? NOV-16 01


12

Neutral Earthing: Introduction, isolated neutral, earth neutral systems-solid, resistance, reactance. Arc suppression coil, Voltage Transformer and Earthing Transformer, Earthing Systems.

05 10

Attempt FOUR:-

SR.


1 Why is earthing necessary in power system? How can it be classified? Discuss the various methods of neutral grounding.

JUN-10 JUN-16

07

2 What is Neutral Grounding? List the advantages of Neutral Grounding.

DEC-10 JUN-16

06

3

Explain following methods of earthings with diagram. (i)arc suppression coil earthing (ii) voltage transformer earthing OR Explain (i) Voltage transformer earthing (ii) Earthing transformer.

JUN-11 DEC-11 JUN-13 DEC-14

07

4

Explain why the effective grounding can be used only for systems operating on voltage below 3.3 KV or above 33 KV a resistance or reactance grounding is used for the systems operating on voltage between 3.3 KV and 33 KV. Also why effective a.c resistance is more than d.c resistance of a transmission line?

MAY-12 07

5 Enumerate types of neutral earthing and explain any one with neat sketch.

DEC-12 07

6 Explain (i) Solid earthing (ii) Peterson coil earthing JUN-14 07

7 Explain reactance earthing in detail. JUN-15 07

8 Explain arc suppression coil earthing in detail. DEC-15 JUN-16 NOV-16

07

9

When single line to earth fault occurs on an ungrounded neutral system, the capacitive current in the two healthy phases rises to ______________ times the normal value.

JUN-16 01

10 The neutral wire is colored _______________. JUN-16 01

11 What is the requirement of neutral grounding? Nov-16 01

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