CURRICULUM 2009 – 10, With Effect From 2010 – 11
Department of Technical Education
DIPLOMA COURSE IN ELECTRICAL AND ELECTRONICS ENGINEERING
Fourth Semester
Sub: ELECTRICAL POWER GENERATION
Sub Code:
Contact Hrs/Week: 04.
Contact Hrs/Sem: 64
Chapter No:
Topic
No. of Hours
UNIT I
1.
2.
3.
4.
Introduction
Hydro Electric Power Pant
Thermal Power Plant
Nuclear Power Plant
03
09
06
04
UNIT II
5.
6.
7.
8.
9.
10.
11.
Diesel Power Plant
Gas Power Plant
Solar Power Plant
Wind Power plant
Tidal Power Plant
Biomass Power Plant
Fuel Cells
02
02
07
03
01
03
02
UNIT III
12.
13.
14.
Power Plant Operation.
Economics of Power Generation.
Power Factor Improvement.
04
07
01
Seminars by experts from respective field and
Visit to generating station (any one)
Tests and Revision
Total
EE – Fourth Semester – Electrical Power Generation
06
04
_________
64
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
CONTENT
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Introduction:
Understand the importance of Electrical Energy, Concepts of Electrical Power Generation,
Sources used for Generating Electrical Power.
Hydro Electric Power Plant:
Understand the working principle, classification, Site selection, Plant layout,
Components, Merits and Demerits.
Thermal Power Plant:
Understand the working principle, site selection, Plant layout, Components, Merits and
Demerits.
Nuclear Power Plant:
Understand the working principle, Site selection, Plant layout, Components, Merits and
Demerits.
.
Diesel Power Plant:
Understand the working principle, Site selection, Plant layout, Components, Merits and
Demerits.
Gas Power Plant:
Understand the working principle, types, Site selection, Plant layout, Components,
Merits and Demerits.
Solar Power Plant:
Understand the importance, working principle, types, Site selection, Plant layout,
Components, Merits and Demerits.
Wind Mill Power Plant :
Understand the importance, working principle, types, Site selection, Components,
Merits and Demerits.
Tidal Power Plant:
Understand the importance, working principle, types, Site selection, Components,
Merits and Demerits.
Bio-mass Power Plant.
Understand the importance, working principle, types, Site selection, Components,
Merits and Demerits.
Fuel Cells:
Understand the importance, working principle, types, Components, Merits and Demerits.
Power Plant Operation:
Understand the routine maintenance of Hydel, Thermal and Nuclear Power Plant.
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
13.
14.
Economics of Power Generation:
Understand the factors affecting the Cost of Power Generation.
Power factor Improvement:
To know the importance of Power Factor and Methods of Improving.
TEXT BOOKS:
PUBLISHERS
1. Principles of power system by V.K.Mehta and Rohit Mehta
S.CHAND
2. Generation of electrical Energy by B.R.Gupta
S.CHAND
3. Electrical Power Generation, Transmission and Distribution. By S.N.Singh. PHI
4. Non-conventional Energy Resources by S.Hasan saed and D.K.Sharma. KATARIA&SONS
5. Power Plant Engineering by K.K.Ramalingam
SCITECH
6. Power Plant Engineering by A. K. Raja , New Age International Publisher
7.Generation Distribution and Utilisation of electric energy by C.L. Wadwa,
-New Age International Publisher
8.Elements of power station design-M V Deshpande-PHI Publications.
9.Substation design and equipments-p s Satna-Dhanpatrai.
REFERENCES:
1. Non-conventional Energy Resources by S.Hasan saed and D.K.Sharma
2. Power Plant Engineering by K.K.Ramalingam
3. Power system operation and control by B.R.Gupta
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
SPECIFIC INSTRUCTIONAL OBJECTIVES:
1.
1.1
1.2
1.3
1.4
2.
INTRODUCTION
Explain the importance of electrical power generation.
List out the various sources of energy available in nature.
1.2.1 Classify the sources into conventional and Non-conventional types.
1.2.2 Classify the sources into renewable and non renewable types
1.2.3 Explain the meaning and importance of green energy.
Briefly explain the concepts of converting the sources into electrical energy - Hydel,
Nuclear, Thermal, Diesel, Gas, Solar, Wind, Tidal, Geothermal, MHD, Biomass,
Hybrid power plant and fuel cells.
1.3.1 Briefly explain the other sources of electrical energy- Cogeneration, CHP and
Distributed generation. (Concepts only)*
Mention the approximate percentage power contributed by each source in India*(show
Pie-chart)
1.4.1
Briefly explain the present power scenario in Karnataka and in India Availability and Demand
HYDRO ELECTRIC POWER PLANT
2.1
2.2
2.3
2.4
2.5
2.6
Classify hydroelectric power plants based on the available head of water, plant
capacity, load and construction.
Draw the general layout of low, medium, high and pumped storage hydro power plant.
List the factors to be considered for selection of site
List the main components of hydro electric power plant.
2.4.1
Briefly explain the main components – catchment area, reservoir, forebay,
dam, spillway, trash rack, surge tank, penstock, prime mover, alternator, draft
tube and tail race.
2.4.2
Explain the meaning of water hammer and its effect.
Classify hydraulic turbines based on working principle, water head, flow and their
application.
2.5.1
Compare impulse and reaction turbines used in Hydro power plant.
2.5.2
Explain with diagram the principle, construction and working of pelton wheel
– single jet and multi jet types.*
2.5.3
Explain with diagram the principle, construction and working of Francis
turbine.*
2.5.4
Explain with diagram the principle, construction and working of Kaplan
turbine.*
2.5.5
Explain with diagram, the construction and working of accessories-Nozzle,
Draft tube types and governor (only block diagram showing valve, prime
mover, alternator, feedback and controller)*
List the merits and demerits of Hydro power plant.
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
2.7
2.8
2.9
3.
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.
4.1
4.2
4.3
4.4
4.5
4.7
4.8
5.
5.1
Briefly explain Hydrograph and its use.*
2.7.1
Estimate the electrical power that can be generated from available head of
water and discharge. Simple problems on above (2.7.1: B.R.Gupta, page 130
and 134)
List the major Hydro power plants in Karnataka with their plant capacity.
Explain the importance of Hydro Energy and its scope in India.
THERMAL POWER PLANT
Draw the general layout of thermal (steam) power plant.
3.1.1
Briefly explain the working of thermal power plant.
List the factors to be considered for selection of site.
List the main components of thermal power plant.
3.3.1
Briefly explain the main components and their functions:
Fuel system: coal storage, coal handling, ash handling, ash storage.
Draught system: forced draught and induced draught fan
Steam generation system: Boiler furnace, Boiler, Super heater, Low pressure
heater, High pressure heater, Economizer and Air preheater.
Generating system: prime mover and Alternator.
Cooling system- condenser and cooling tower.
Explain with diagram construction and working of water tube boiler.
Classify the prime movers used in thermal power plant.
3.5.1
Explain with diagram the working of impulse type steam turbine.
3.5.2
Explain with diagram the working of reaction type steam turbine.
List the merits and demerits.
Compare thermal power plant with hydro power plant.
Compare hydro generator and turbo generator used in hydel and thermal plants
respectively.
NUCLEAR POWER PLANT
Draw the schematic diagram of Nuclear power plant.
4.1.1 Briefly explain the working of Nuclear power plant.
List the factors to be considered for selection of site
List the main components of Nuclear power plant.
4.3.1 Briefly explain the main components of Nuclear power plant: Nuclear reactor,
Heat exchanger, Prime mover, Alternator and cooling system.
Explain with diagram the working of nuclear reactor(PHWR type).
4.41
Briefly explain the components of nuclear reactor: Fuel rods, Moderator,
Control rods, Coolant, Reflector and Shielding.
Briefly explain disposal of nuclear waste in nuclear power plant
List of merits and demerits of Nuclear power plant
Compare thermal power plant with nuclear power plant.
DIESEL POWER PLANT
Draw the schematic diagram of a Diesel generator unit.*
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
5.2
5.3
5.4
5.5
6.
6.1
6.2
6.3
6.4
6.5
6.6
7.
7.1
7.2
7.3
7.4
7.5
7.6
8.
8.1
Draw the general layout of a Diesel power plant *
List the main components of Diesel power plant.
5.3.1
Briefly explain the main components - Diesel engine, starting system,
Air intake system, Exhaust system, Cooling system, Lubrication system, Fuel
system, Alternator and governor.
List the merits and demerits of Diesel power plant
List the applications of Diesel power plant.
GAS TURBINE POWER PLANT
Draw the schematic diagram of a Gas turbine power plant.
List the main components of Gas turbine power plant.
6.2.1 Briefly explain the main components: Compressor, Regenerator, Combustion
chamber, Gas turbine, Alternator and starting motor.
List the merits and demerits.
List the advantages of Gas turbine plant over Steam power plant.
Draw the schematic diagram of combined cycle gas power plant.
Mention the main features of combined cycle gas power plant.*
SOLAR POWER PLANT
Explain the importance of Solar Energy and its scope in India.*
List the factors to be considered for selection of site of solar plant
Briefly explain the types of solar power plant: Photovoltaic type and solar thermal type.
7.3.1 Briefly explain solar modules and solar arrays with reference to Photovoltaic
power plant.*
7.3.2 List the types of Photovoltaic power plant.*
7.3.3 Explain stand alone type Photovoltaic power plant with block diagram.*
7.3.4 Explain the Photovoltaic Hybrid power plant with block diagram.*
7.3.5 List the merits and demerits of solar Photovoltaic power plants.
7.3.6 List the applications of Photovoltaic power plant.
List the types of solar thermal power plant- Distributed collector type and central
receiver type.
7.4.1 Draw the schematic diagram of Distributed collector type solar thermal power
plant.*
7.4.2 Briefly explain Distributed collector type solar thermal power plant.
7.4.3 Draw the schematic diagram of central receiver type solar thermal power
plant.*
7.4.4 Briefly explain central receiver type solar thermal power plant.
7.4.5 Briefly explain flat plate type and concentrating parabolic trough type solar
collectors with diagram.*
Compare solar photovoltaic and solar thermal power plants.
List the merits and demerits of solar thermal power plants.
WIND POWER PLANT
Explain the importance of Wind Energy.
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
8.2
8.3
8.4
8.5
8.6
List the factors to be considered for site selection
List the classification of wind power plant based on plant capacity.
8.3.1
List the classification of wind turbine generator.
8.3.2
Distinguish between horizontal axis and vertical axis wind turbine generator.
8.3.3
Briefly explain horizontal axis wind turbine generator with diagram.
8.3.3
List the components of wind turbine generator and mention their functions.
Briefly explain the terms: pitch angle, pitch control and yaw control.*
List the merits and demerits.
List the applications of wind energy.
Refer: Non-conventional Energy Resources by S.Hasan saed and D.K.Sharma
9. TIDAL POWER PLANT
9.1
9.2
9.3
9.4
Classify the types of Tidal power plant.
9.1.1 Briefly explain with diagram single basin and double basin types*.
List the main components of Tidal power plant.
9.2.1 Briefly explain the main components: Dam, Sluice ways, turbine and alternator.
List the factors to be considered for site selection.
List the merits and demerits.
10. BIOMASS POWER PLANT
10.1
10.2
10.3
10.4
10.5
Explain the importance of biomass energy and its scope.
List the factors to be considered for site selection.
Draw the line diagram of biomass power plant.
10.3.1 List the components of biomass power plant.
10.3.2 Briefly explain the components of biomass power plant.
List the types of biogas plants.
10.4.1 Briefly explain batch type, continuous type, movable drum type and fixed
dome types.
10.4.2 Explain with diagram movable drum type biogas plant.
10.4.3 Explain with diagram fixed dome type biogas plant.
10.4.4 Compare movable and fixed dome types.
List the merits and demerits biomass power plant.
11. FUEL CELLS
11.1
11.2
11.3
11.4
Define fuel cell.
11.1.1 Explain with diagram the working principle and operation of fuel cells.
List the types of fuel cells.
List the merits and demerits of fuel cells.
List the applications of fuel cells.
12. POWER PLANT OPERATION.
12.1
12.2
Explain the daily routine maintenance of power plants. (general equipments )
Meaning of voltage regulation and voltage regulator.
EE – Fourth Semester – Electrical Power Generation
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
12.2.1 Explain with block diagram automatic voltage regulator.*(Electronic type)
12.3 Meaning of excitation.
12.3.1 Explain with block diagram static excitation system.*
13. ECONOMICS OF POWER GENERATION.
13.1
13.2
13.3
13.4
Define important terms and factors related to power plant: Connected load, Maximum
demand, average load, demand factor ( peak load factor), diversity factor, load factor,
Plant capacity factor, plant utilization factor.
Explain daily load curve and its importance
13.1.1 Explain the importance of high load factor.
13.1.2 Simple problems on the above.(ref : V.K.Mehta examples-3.1,3.2 and 3.3,
page 50)
List the types of loads.*
List the factors on which the cost of energy depends.
13.3.1 Briefly explain fixed cost, semi fixed cost and operating (running) cost.
13.3.2 Briefly explain interest and depreciation as related to power plants.
13.3.3 Calculate the energy generated per annum.*
13.3.4 Simple problems on cost of energy.( ref : V.K.Mehta examples-4.4, 4.5, 4.6,
4.7, page76)
Explain the meaning of tariff.*
13.4.1 State the objectives of tariff.
13.4.2 List the types of tariff.
13.4.3 Briefly explain the types of tariff.
14. POWER FACTOR IMPROVEMENT.
14.1
14.2
14.3
14.4
14.5
Explain the meaning of power factor and its significance.
State the causes of low power factor.
Explain the effects of low power factor on power plant.
List the methods of power factor improvement.
List the advantages of power factor improvement.
* See reference below
1.3.1 : SN.Singh, page 20,21
1.4: BR.Gupta ,page 4 and any other reliable source of information.
2.5.2 , 5.3 and 5.4 K.K.Ramalingam, page 37.
2.5.5 : S.N.Singh, page 79
2.7: S.N.Singh, page 89
2.7.1: BR.Guptha , page 130 and 134
5.1: SN. Singh, page 114
5.2: BR. Gupta, page 97
6.6: S.N.Singh, page 133
7.1: BR.Gupta, page 362
7.3: S.Hasan saed and D.K.Sharma, page 62
7.3.1: BR.Gupta, page 355
7.3.2: BR.Gupta, page 355
7.3.3: S.Hasan saed and D.K.Sharma, page 125
7.5: S.Hasan saed and D.K.Sharma ,page 96
7.6: BR.Gupta, page 348
7.7: S.Hasan saed and D.K.Sharma, page79 to 83.
8.4 S.Hasan saed and D.K.Sharma ,page 202.
EE – Fourth Semester – Electrical Power Generation
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9.1.1 K.K.Ramalingam, page 280
13.3.2 V.K. Mehta, page 47
12.3.1: S.N.Singh ,page 78,79
13.4: V.K.Mehta, page 87
MODEL QUESTION PAPER
Fourth Semester Diploma Examination
ELECTRICAL BOARD
ELECTRICAL POWER GENERATION
TIME: 3 Hours
Max Marks: 100
Note: i) Question No. 1 is compulsory.
ii) Answer any six full questions taking two full questions
from each section.
SECTION -I
1. a)
i)
Fill in the blanks with appropriate word / words :
5X1 = 5
The type of turbine used in high head hydro electric power plant is----------
ii) ------------is used to preheat the boiler feed water.
iii) ---------is used to reduce the speed of fast moving neutrons in a nuclear reactor.
iv) High load factor will ------------ the cost of energy generated.
v) --------- are used to improve the power factor of the generating station.
b) List the various sources of energy and briefly explain their classification.
5
SECTION-II
2. a) Draw the general layout of high head hydro electric power plant and explain
the function of any three components.
7
b) Explain with diagram the construction and working of Pelton wheel turbine.
5
c) List any three merits and demerits of Hydro power plant.
3
3. a) A hydro power plant operates under an effective head of 100 m and a discharge of
200 cubic metre / sec. If the efficiency of turbine alternator set is 90 %, find the
power developed .
4
b) Draw the general layout of thermal power plant and explain its operation.
8
c) Compare thermal and hydro power plants
3
4. a) With a neat diagram explain construction and working of economizer.
EE – Fourth Semester – Electrical Power Generation
5
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CURRICULUM 2009 – 10, With Effect From 2010 – 11
b) Draw the schematic diagram of Nuclear power plant and explain the function of
each component.
7
c) Briefly explain disposal of nuclear waste in nuclear power plant
3
SECTION – III
5
a) List the merits and demerits of Diesel power plant
3
b) List the applications of Diesel power plant.
3
c) Draw the schematic diagram of combined cycle gas power plant. And Mention its
main features.
9
6. a) Draw the schematic diagram of central receiver type solar thermal power plant and
Explain its operation
7
b) Explain Photovoltaic Hybrid power plant with block diagram.
5
c) Compare solar photovoltaic and solar thermal power plants.
3
7. a) Explain the working of horizontal axis wind turbine generator with diagram.
Define the terms pitch angle, pitch control and yaw control.
7
b) List the factors to be considered for site selection of wind energy generation.
3
c) Briefly explain with diagram double basin type tidal power plant.
5
SECTION IV
8.
a) Explain with diagram movable drum type biogas plant.
5
b) List the merits and demerits biomass power plant.
4
c) Explain with block diagram static excitation system.
6
9. a) Define the following as related to power plants:
i) Load factor
ii) Plant capacity factor
iii) Plant utilization factor.
b) List the factors on which the cost of energy depends.
6
3
c) A generating station has an installed capacity of 50,000 KW and delivers
220 X 106 units per annum. If the annual fixed charges are Rs.160 per KW installed
capacity and running charges are 4 paise per Kwh, determine the cost per energy
generator.
6
10. a) Define fuel cell.
Explain with diagram the working principle and operation of fuel cells.
7
b) List the effects of low power factor on power plant.
3
c) Explain the meaning of tariff and State the objectives of tariff.
5
EE – Fourth Semester – Electrical Power Generation
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EE – Fourth Semester – Electrical Power Generation
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