DEPARTMENT OF ELETRICAL & ELECTRONIC ENGINEERING Atish Dipankar University Science and Technology. STUDY OF ELECTRICAL POWER GENERATION, TRANSMISSION AND DISTRIBUTION IN BANGLADESH Jagadish Chandra Sutradhar ID # 112- 0070-511 Md. Sharif Hossain ID # 112-0164-511 Syed Shawkat Aziz ID # 112-0011-511 Mohammad Ali Hasan ID # 112- 0135-511 Md. Jakir Hossain ID # 122-0197-511
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STUDY OF ELECTRICAL POWER GENERATION, TRANSMISSION AND DISTRIBUTION IN BANGLADESH
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DEPARTMENT OF ELETRICAL & ELECTRONIC ENGINEERING
Atish Dipankar University Science and Technology.
STUDY OF ELECTRICAL POWER GENERATION,
TRANSMISSION AND DISTRIBUTION IN BANGLADESH
Jagadish Chandra Sutradhar ID # 112-
0070-511
Md. Sharif Hossain ID # 112-0164-511
Syed Shawkat Aziz ID # 112-0011-511
Mohammad Ali Hasan ID # 112-
0135-511
Md. Jakir Hossain ID # 122-0197-511
INTRODUCTION
For growing development of a country, electricity has a vital role in all
sectors. For the proper utilization, is required to transmit and distribute the
electrical power through proper way.
Each generating station needed enough installed capacity to meet the
local peak loads. Bangladesh is an underdeveloped country. Its socio-
economic structure is gradually increasing. So the demand of power is
increasing day by day and thus the importance of generation,
transmission and distribution are becoming more complicated.
An electric power system consist of the three principal components. They are
1. Generation system,
2. Transmission system and
3. Distribution system.
OBJECTIVES
1. To study the different power stations such as hydro electric
power station, thermal power station, Nuclear power station,
diesel power station and Gas turbine power station.
2. To study the comparative facilities of different power
stations.
3. To study the comparative productive ability of different
power stations.
4. To study the power generation in Bangladesh.
5. To study the transmission system in Bangladesh.
Study in
Power
Generation
System
GENERATING STATION
Bulk electric power is produced by special plant is known asthe generating station or power plants. A generating stationessentially employs a prime mover coupled to an alternatorfor the production of electric power. The alternator convertsmechanical energy of the prime mover into electricalenergy. The electrical energy produced by the generatingstation is transmitted and distributed with the help ofconductors of various consumers.
Types of Generating Station
1) Steam power plant
2) Hydro-electric power plant
3) Diesel power plant
4) Nuclear power plant
STEAM POWER PLANT
A generating station that converts the heat energy of coal combustion into
electrical energy is known as a steam power station.
Choice of Site 1. Supply of fuel
2. Availability of water
3. Transportation facilities
4. Nearness to the Load Centre
5. Distance from Populated Area
Advantages
1. The fuel is quite cheap.
2. It required less space as compared to the hydro-electric power station.
3. The cost of generation is lesser than that of the diesel power station.
Disadvantages
1. It pollutes the atmosphere due to the production of large amount of
smoke and fumes.
2. It is costlier in running cost as compared to hydro-electric plant.
SCHEMATIC ARRANGEMENT
Cooling tower
L.P. Turbine
H.P Turbine
Deaerator
Generator
Extractions
pump
Transmission
line
Re heater
Cooling water pump Condenser
Economizer
Air pre heater
Precipitator
I.P Turbine
Super heater
Chimney
Induce
Draught
fan
Boiler
dr10Steam Feed heater
Ash
hopper
STEAM POWER PLANT
HYDRO-ELECTRIC POWER STATION
A generating station which utilizes the potential energy of water at a high level for
the generation of electrical energy is known as hydro-electric power station.
1. Availability of water
2. Storage of water
3. Cost and type of land
4. Transportation facilities
Choice of Site
NEUCLEAR POWER STATION
A generating station in which nuclear energy is converted into electrical energy isknown as a nuclear power station.
Selection1. Availability of water
2. Disposal if water
3. Steam turbine
4. Alternator
SCHEMATIC ARRANGEMENT
DIESEL POWER STATION
A generating station in which diesel engine is used as the prime mover for thegeneration of electrical energy is known as diesel power station.
Choice of Site
Distance from load center.
Availability of water.
Foundation condition.
Fuel transportation.
Access to site.
SCHEMATIC ARRANGEMENT
GAS TURBINE POWER STATIONA generating station which employs gas turbine as the prime mover for the generation
of electrical energy is known as a gas turbine power plant.
SCHEMATIC ARRANGEMENT
Transmission System
Primary Transmission
Grid System
Grid sub- station
Secondary Transmission
Classification of overhead transmission line
Definition of important terms
Advantages of high voltage transmission system
Advantages and disadvantages of high voltage direct current system
Transmission system of different countries
1. Transmission system of India
2. Transmission system of Sri-lanka
3. Transmission system of Nepal
4. Transmission system of Pakistan
Transmission System of Bangladesh
Mechanical Design of Overhead Transmission Line
Properties of conductor materials
Conductor’s materials
Types of conductor
Line support
Types of line support
Insulators
Types of Insulators
Electrical Design of Overhead Transmission Line
Electrical design aspects
Constant of transmission line
Characteristics of different transmission line
Transmission voltage level
Standardization of transmission voltage
Extra high voltage transmission
Protection system of transmission line
Protection components
Existing transmission line in Bangladesh
Transmission line losses
1. Types of losses
2. Skin effect
Minimization of Transmission line losses
Distribution System
Definition of Substation
Importance of Substation
Equipment of electrical Substation
Classification of Substation
Definition of different equipments
Transformer
Power Transformer
Instrument Transformer
Isolator
Lighting arrester
Insulator
Bus-Bar
Circuit-Breaker
Basic principles of operation of circuit breaker
Fig : Sulphur Hexa Fluoride Circuit Breaker (SF6)
Different Types of Circuit Breaker1. Sulphur Hexa Fluoride Circuit Breaker (SF6)