Base load power plants run continuously to meet minimum electricity demand. Peak load plants operate intermittently to meet spikes in demand. Less flexible base load plants are better for providing base energy needs, while more flexible peak load plants can adjust quickly to fill peak demand. The economics of power generation involve calculating the cost per unit of electricity based on fixed, semi-fixed, and running costs which include capital costs, interest, depreciation, fuel, and maintenance. Depreciation methods like straight line, diminishing value, and sinking fund determine annual charges to fund future replacement of equipment over its useful lifetime.
This Slides will help you to know the- what is the economics of power generation and how it is generated. The basic terminology used in power generation like demand factor, peak load, load curve, load factor, diversity factor, and at last you will also find out the methods used for calculating the Depreciation of materials.
This Slides will help you to know the- what is the economics of power generation and how it is generated. The basic terminology used in power generation like demand factor, peak load, load curve, load factor, diversity factor, and at last you will also find out the methods used for calculating the Depreciation of materials.
To study coal based thermal power plant including (a). Site selection (b). Classification (c). Merits and demerits (d). Environmental impacts (e). Basic layout (f). Various parts (g).Working.
A generating station in which diesel engine is used as the prime mover for the generation of electrical energy
is known as Diesel power station or Diesel power plant
Generation of Electrical Power - Power Plants and Transmission Systems.maneesh001
Basics of generation of electricity by thermal, hydro, nuclear and renewable sources are provided in this document.
Students of APJ Abdul Kalam Technological University (KTU) may find this helpful for their fouth module preparations.
Economics of Power Generation
A power station is required to deliver
power to a large number of consumers
to meet their requirements. While de-
signing and building a power station, efforts
should be made to achieve overall economy so
that the per unit cost of production is as low as
possible. This will enable the electric supply
company to sell electrical energy at a profit and
ensure reliable service. The problem of deter-
mining the cost of production of electrical en-
ergy is highly complex and poses a challenge to
power engineers. There are several factors which
influence the production cost such as cost of land
and equipment, depreciation of equipment, inter-
est on capital investment etc. Therefore, a care-
ful study has to be made to calculate the cost of
production. In this chapter, we shall focus our
attention on the various aspects of economics of
power generation.
To study coal based thermal power plant including (a). Site selection (b). Classification (c). Merits and demerits (d). Environmental impacts (e). Basic layout (f). Various parts (g).Working.
A generating station in which diesel engine is used as the prime mover for the generation of electrical energy
is known as Diesel power station or Diesel power plant
Generation of Electrical Power - Power Plants and Transmission Systems.maneesh001
Basics of generation of electricity by thermal, hydro, nuclear and renewable sources are provided in this document.
Students of APJ Abdul Kalam Technological University (KTU) may find this helpful for their fouth module preparations.
Economics of Power Generation
A power station is required to deliver
power to a large number of consumers
to meet their requirements. While de-
signing and building a power station, efforts
should be made to achieve overall economy so
that the per unit cost of production is as low as
possible. This will enable the electric supply
company to sell electrical energy at a profit and
ensure reliable service. The problem of deter-
mining the cost of production of electrical en-
ergy is highly complex and poses a challenge to
power engineers. There are several factors which
influence the production cost such as cost of land
and equipment, depreciation of equipment, inter-
est on capital investment etc. Therefore, a care-
ful study has to be made to calculate the cost of
production. In this chapter, we shall focus our
attention on the various aspects of economics of
power generation.
Unit-V-Power Plant Economics and Environment.pptxprakash0712
Power tariff types, load distribution parameters, load curve – comparison of site selection criteria – relative merits and demerits – capital and operating cost of different power plants – pollution control technologies including waste disposal options for coal and nuclear power plants.
The art of determining the cost of producing electrical energy per unit (i.e., one kWh), known as the economics of power generation. The economics of power generation has assumed a great importance in this fast developing Economics of Power Generation
Cost development of renewable energy technologiesLeonardo ENERGY
This course covers the cost development of renewable energy technologies, which includes the analysis of technological change, in particular with regard to technological learning, the assessment of learning rates of renewable energy technologies available in literature and forecasting studies. For many (energy) technologies, a log-linear relation was found between the accumulated experience and the technical (e.g. efficiency) and economic performance (e.g. investment costs). The rate at which cost decline for each doubling of cumulative production is expressed by the progress ratio (PR). A progress ratio of 90% results in a learning Rate (LR) of 10% and similar cost reduction per doubling of cumulative production (IEA 2000; Junginger, Sark et al. 2010). Learning curves for the renewable energy technologies as well as levelised cost of electricity will be presented. The latter also include the impact of resource conditions (e.g. wind and solar yield) at different locations as well as operation and maintenance costs and fuel expenditures in the case of biomass technologies.
FEASIBILITY ANALYSIS OF GRID/WIND/PV HYBRID SYSTEMS FOR INDUSTRIAL APPLICATIONWayan Santika
The present study offers technical and economical analyses of grid-connected hybrid power systems for a large scale production industry located in Bali. The peak load of observed system can reach 970.630 kW consuming on average 16 MWh of electricity a day. Software HOMER was utilized as the optimization tool. The proposed hybrid renewable energy systems consist of wind turbines, a PV system, a converter, and batteries. The system is connected to the grid. Optimization results show that the best configuration is the Grid/Wind hybrid system with the predicted net present cost of
-884,896 USD. The negative sign indicates that revenues (mostly from selling power to the grid) exceed costs. The levelized cost of electricity of the system is predicted to be -0.013 USD/kWh. The present study also conducts sensitivity analysis of some scenarios i.e. 50% and 100% increases in grid electricity prices, 50% reduction of PV and WECS prices, and 10 USD and 50 USD carbon taxes per ton CO2 emission. Implications of the findings are discussed.
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AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
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Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
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It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
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introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Cosmetic shop management system project report.pdfKamal Acharya
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Data file handling has been effectively used in the program.
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2. KEY CONCEPTS IN POWER GENERATION
Electricity demand is commonly viewed in terms of base load vs.
peak load
Base load is the minimum level of electricity demand required
over a period of 24 hours; it is the load below which the
demand never falls and therefore must be supplied 100 percent
of the time.
Base load plants run continuously over extended periods of
time, and power from these plants is used to cater the base
demand of the grid (e.g. coal power plants, nuclear power
plants, hydroelectric plants, geothermal plants, solar thermal
3. KEY CONCEPTS IN POWER GENERATION
Peak load is time of high demand often occurring for shorter
durations; it is the difference between base demand and the
highest demand.
Peak load plants generally cater to demand peaks; they are
started up whenever there is a spike in demand and stopped when
the demand recedes (e.g. gas plants, solar power plants, wind
turbines, diesel generators).
4. CHARACTERISTICS INFLUENCING POWER PLANT
OPERATIONS
Flexibility of the generation source is determined by the minimum run time
and ramp times.
Minimum run time:
the shortest amount of time a plant can operate once it is turned on
Ramp rate:
influences how quickly the plant can increase or decrease power output
Ramp time:
the amount of time it takes from the moment a generator is turned on to the
moment it can start providing energy to the grid at its lower operating limit
5. CHARACTERISTICS INFLUENCING POWER PLANT
OPERATIONS
Less flexible plants (longer minimum run times and slower ramp times)
generally better suited to provide base load energy
More flexible plants (shorter minimum run times and quicker ramp
times) generally better suited to fill peak demand.
6. CHARACTERISTICS INFLUENCING POWER PLANT
OPERATIONS
Relative comparison of operating cost and operational flexibility for different power plan
technologies (this excludes most renewables since their operational flexibility is partially
dependent on prevailing weather conditions such as irradiance and wind speed/direction)
7. ECONOMICS OF POWER GENERATION
The art of determining the per unit (i.e., one kWh) cost of production of
electrical energy is known as economics of power generation. The
economics of power generation has assumed a great importance in this fast
developing power plant engineering. A consumer will use electric power
only if it is supplied at reasonable rate.
Therefore, power engineers have to find convenient methods to produce
electric power as cheap as possible so that consumers are tempted to use
electrical methods. Before passing on to the subject further, it is desirable
that the readers get themselves acquainted with the following terms much
used in the economics of power generation :
8. ECONOMICS OF POWER GENERATION
(i) Interest:
The cost of use of money is known as interest.
A power station is constructed by investing a huge capital. This money
is generally borrowed from banks or other financial institutions and the
supply company has to pay the annual interest on this amount. Even if
company has spent out of its reserve funds, the interest must be still
allowed for, since this amount could have earned interest if deposited in
a bank. Therefore, while calculating the cost of production of electrical
energy, the interest payable on the capital investment must be included.
9. ECONOMICS OF POWER GENERATION
(ii) Depreciation:
The decrease in the value of the power plant equipment and
building due to constant use is known as depreciation.
Cost of Electrical Energy
The total cost of electrical energy generated can be divided into
three parts, namely ;
(i) Fixed cost ;
(ii) Semi-fixed cost ;
(iii) Running or operating cost.
10. COST OF ELECTRICAL ENERGY
(i) Fixed cost.
It is the cost which is independent of maximum demand and units
generated. The fixed cost is due to the annual cost of central
organization, interest on capital cost of land and salaries of high
officials.(ii) Semi-fixed cost.
It is the cost which depends upon maximum demand but is
independent of units generated. The semi-fixed cost is directly
proportional to the maximum demand on power station and is on
account of annual interest and depreciation on capital investment of
building and equipment, taxes, salaries of management and clerical
staff. The maximum demand on the power station determines its size
and cost of installation. The greater the maximum demand on a power
station, the greater is its size and cost of installation.
11. COST OF ELECTRICAL ENERGY
(iii) Running cost.
It is the cost which depends only upon the number of units
generated. The running cost is on account of annual cost of
fuel, lubricating oil, maintenance, repairs and salaries of
operating staff. Since these charges depend upon the energy
output, the running cost is directly proportional to the
number of units generated by the station. In other words, if
the power station generates more units, it will have higher
running cost and vice-versa.
12. METHODS OF DETERMINING DEPRECIATION
There is reduction in the value of the equipment and other
property of the plant every year due to depreciation.
Therefore, a suitable amount (known as depreciation charge)
must be set aside annually so that by the time the life span
of the plant is over, the collected amount equals the cost of
replacement of the plant.
The following are the commonly used methods for
determining the annual depreciation charge :
(i) Straight line method ;
(ii) Diminishing value method ;
(iii) Sinking fund method.
13. METHODS OF DETERMINING DEPRECIATION
There is reduction in the value of the equipment and other
property of the plant every year due to depreciation.
Therefore, a suitable amount (known as depreciation charge)
must be set aside annually so that by the time the life span
of the plant is over, the collected amount equals the cost of
replacement of the plant.
The following are the commonly used methods for
determining the annual depreciation charge :
(i) Straight line method ;
(ii) Diminishing value method ;
(iii) Sinking fund method.
14. METHODS OF DETERMINING DEPRECIATION
(i) Straight line method.
In this method, a constant depreciation charge is made every
year on the basis of total depreciation and the useful life of
the property. Obviously, annual depreciation charge will be
equal to the total depreciation divided by the useful life of
the property. Thus, if the initial cost of equipment is Rs
1,00,000 and its scrap value is Rs 10,000 after a useful life of
20 years, then,
15. METHODS OF DETERMINING DEPRECIATION
(i) In general, the annual depreciation charge on the straight
line method may be expressed
16. METHODS OF DETERMINING DEPRECIATION
(ii) Diminishing value method.
In this method, depreciation charge is made every year at a fixed rate
on the diminished value of the equipment. In other words, depreciation
charge is first applied to the initial cost of equipment and then to its
diminished value.
As an example, suppose the initial cost of equipment is Rs 10,000 and
its scrap value after the useful life is zero. If the annual rate of
depreciation is 10%, then depreciation charge for the first year will be
0·1 × 10,000 = Rs 1,000. The value of the equipment is diminished by
Rs 1,000 and becomes Rs 9,000. For the second year, the depreciation
charge will be made on the diminished value (i.e. Rs 9,000) and
becomes 0·1 × 9,000 = Rs 900. The value of the equipment now
becomes 9000 − 900 = Rs 8100. For the third year, the depreciation
17. METHODS OF DETERMINING DEPRECIATION
(ii) Diminishing value method.
In this method, depreciation charge is made every year at a fixed rate
on the diminished value of the equipment. In other words, depreciation
charge is first applied to the initial cost of equipment and then to its
diminished value.
As an example, suppose the initial cost of equipment is Rs 10,000 and
its scrap value after the useful life is zero. If the annual rate of
depreciation is 10%, then depreciation charge for the first year will be
0·1 × 10,000 = Rs 1,000. The value of the equipment is diminished by
Rs 1,000 and becomes Rs 9,000. For the second year, the depreciation
charge will be made on the diminished value (i.e. Rs 9,000) and
becomes 0·1 × 9,000 = Rs 900. The value of the equipment now
becomes 9000 − 900 = Rs 8100. For the third year, the depreciation
18. METHODS OF DETERMINING DEPRECIATION
Mathematical treatment:
Let P = Capital cost of equipment
n = Useful life of equipment in years
S = Scrap value after useful life
Suppose the annual unit* depreciation is x. It is desired to find the
value of x in terms of P, n and S.
* If annual depreciation is 10%, then we can say that annual unit
depreciation is 0·1.
Similarly, annual depreciation charge for the subsequent years can be
calculated.
19. METHODS OF DETERMINING DEPRECIATION
(iii) Sinking fund method.
In this method, a fixed depreciation charge is made every
year and interest compounded on it annually. The constant
depreciation charge is such that total of annual instalments
plus the interest accumulations equal to the cost of
replacement of equipment after its useful life.
Let P = Initial value of equipment
n = Useful life of equipment in years
S = Scrap value after useful life
r = Annual rate of interest expressed as a decimal
Cost of replacement = P − S
20. METHODS OF DETERMINING DEPRECIATION
Let us suppose that an amount of q is set aside as
depreciation charge every year and interest compounded on
it so that an amount of P− S is available after n years.
The value of q gives the uniform annual depreciation charge.
21. MATHEMATICAL PROBLEMS
Problem 1. A transformer costing Rs 90,000 has a useful life
of 20 years. Determine the annual depreciation charge using
straight line method. Assume the salvage value of the
equipment to be Rs 10,000.
Solution :
Initial cost of transformer, P = Rs 90,000
Useful life, n = 20 years
Salvage value, S = Rs 10,000
Using straight line method,
22. MATHEMATICAL PROBLEMS
Problem 2. A distribution transformer costs Rs 2,00,000 and
has a useful life of 20 years. If the salvage value is Rs 10,000
and rate of annual compound interest is 8%, calculate the
amount to be saved annually for replacement of the
transformer after the end of 20 years by sinking fund
method.Solution :
Initial cost of transformer, P = Rs 2,00,000
Salvage value of transformer, S = Rs 10,000
Useful life, n = 20 years
Annual interest rate, r = 8% = 0· 08
24. MATHEMATICAL PROBLEMS
Problem 3. The equipment in a power station costs Rs
15,60,000 and has a salvage value of Rs 60,000 at the end of
25 years. Determine the depreciated value of the equipment
at the end of 20 years on the following methods :
(i) Straight line method ;
(ii) Diminishing value method ;
(iii) Sinking fund method at 5% compound interest annually.