[PDF] - Transmission and Distribution of Electrical Power - Diploma In Electrical Engineering III/II Notes 2080

 

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Old Course (2014)

Transmission and Distribution of Electrical Power
EG3219 EE
Total: 4 hour /week
Year: III Lecture: 3 hours/week
Semester: II Tutorial: 1 hours/week
 Practical: hours/week
Lab: hours/week
 

Course Description:
The course deals with the transmission and distribution of electrical power & energy.
 

Course Objectives:
After completing this course the students will be able to:
1. Gain knowledge about the transmission and distribution operation and its components
2. Understand the characteristics of interconnected power system
3. Know the basic concepts of voltage control and compensation techniques
 

Course contents: 

Unit 1: Introduction [8]
    1.1 Role of Transmission and distribution as the components of power system
    1.2 Typical A.C. Transmission system, standard voltage levels
    1.3 Distinction between transmission and distribution system
    1.4 Single phase and poly transmissions
    1.5 Advantage of three phase
    1.6 Concept of line and phase quantities of three phase system
    1.7 Advantage of interconnected transmission network (grid system) 

Unit 2: Transmission line components [12]
    2.1 Overhead line vs. underground cable
    2.2 Components of overhead transmission lines
        • Conductors : material, stranding and bundling of conductor
        • Supports: various types of poles and tower as supporting structure
        • Insulators their types and applications
        • Other components like; jumper, anti-climbing devices, danger plate, and
            stay wires etc.
    2.3 Mechanical and electrical considerations
        • Conductor spacing and clearance criterion
        • Sag tension computation
    2.4 Underground cables
        • Types of HV underground cables
        • Construction of cables
        • Solid, oil and gas as filling material 

Unit 3: Transmission line performance Transmission Line parameters: Basic concept of Resistance, inductance and
capacitance calculation[8]
    3.1 Concept of single line diagram     

    3.2 Classification of transmission line: Short, medium and long TLs                                                                   3.2.1 Short TL: Sending and receiving end voltage, equivalent single line diagram, efficiency, phasor             diagram
        3.2.2 Medium TL: Sending and receiving end voltage, equivalent single line
            diagram (T-pi), efficiency, phasor diagram
    3.3 Ferranti effect 

Unit 4: Distribution system [7]
    Distribution system as proximity to consumers
    4.1 Radial , loop and ring main feeders
    4.2 Voltage drop and power losses in radial and loop feeders
    4.3 Guidelines for rural and urban distribution
    4.4 Single phase and three phase distribution
    4.5 Underground cables for distribution
        • Seathing and armoring
        • Cable breakdown
        • Effect of moisture and temperature 

Unit 5: Voltage Control
 [6]    Necessity of voltage control, voltage fluctuation and associated problems
    5.1 Method for voltage control
        • Excitation control of alternator
        • Tap changing transformer
        • Synchronous condenser
        • Static compensating devices
 

Unit 6: Interconnected system [4]
    6.1 Advantage of interconnection
    6.2 Effects on voltage and frequency fluctuation with interconnected system
    6.3 Flexibility in real and reactive power dispatching
    6.4 Knowledge of complexity with interconnected system        

New Course (2022)

Transmission and Distribution of Electrical Power
EG3206EE
Year: III Total: 4 hours /week
Part: II Lecture: 3 hours/week
Tutorial: 1 hour/week
Practical: hours/week
Lab: hours/week
 

Course Description:
The course deals with the transmission and distribution of electrical power & energy.
 

Course Objectives:
After completing this course, the students will be able to:
1. Describe the transmission and distribution operation and its components
2. Explain the characteristics of interconnected power system
3. Explain voltage control and compensation techniques
 

Course Contents:
Theory 

Unit 1. Transmission and distribution system [4 Hrs.]
    1.1. Introduction and Necessity
    1.2. Role of Transmission and distribution as the components of power system
    1.3. Typical AC transmission system, standard voltage levels
    1.4. Distinction between transmission and distribution system 

Unit 2. Transmission line components [11 Hrs.]
    2.1. Components of overhead transmission lines
        2.1.1. Conductors: material, stranding and bundling of conductor
        2.1.2. Supports: various types of poles and tower as supporting structure
        2.1.3. Insulators their types and applications
        2.1.4. Other components like; jumper, anti-climbing devices, danger plate, and
            stay wires etc.
    2.2. Mechanical and electrical considerations
        2.2.1. Conductor spacing and clearance criterion
        2.2.2. Sag tension computation and related numerical problems
        2.2.3. Vibrations and Danpers
    2.3. Corona effect in transmission

Unit 3. Transmission line performance [13 Hrs.]
    3.1. Transmission Line parameters: Basic concept of Resistance, inductance and
            capacitance calculation
    3.2. Skin and proximity effect
    3.3. Concept of single line diagram
    3.4. Classification of transmission line: Short, medium and long TLs
        3.4.1. Short TL: Sending and receiving end voltage, equivalent single line
                    diagram, efficiency, phasor diagram and realted numerical problems                                               3.4.2. Medium TL: Sending and receiving end voltage, equivalent single line diagram (T-pi),                                 efficiency, phasor diagram and realted numerical problems
        3.4.3. Long TL: Introduction (only)
    3.5. Ferranti effect 

Unit 4. Distribution system [8 Hrs.]
    4.1. Primary and secondary distribution
    4.2. Radial, loop and ring main feeders
    4.3. Guidelines for rural and urban distribution
    4.4. Single phase and three phase distribution
    4.5. Right-of-way
    4.6. Underground cables for distribution
        4.6.1. Seathing and armoring
        4.6.2. Cable breakdown
        4.6.3. Effect of moisture and temperature                                                                                                    4.7 Comparison between Overhead line and underground cable 

Unit 5. Voltage Control [6 Hrs.]
    5.1. Necessity of voltage control, voltage fluctuation and associated problems
    5.2. Method for voltage control
        5.2.1. Excitation control of alternator
        5.2.2. Tap changing transformer
        5.2.3. Synchronous condenser
        5.2.4. Static compensating devices \

Unit 6. Interconnected system [3 Hrs.]
    6.1. Introduction, advantages and disadvantages
    6.2. Effects on voltage and frequency fluctuation with interconnected system
    6.3. Flexibility in real and reactive power dispatching

  Marking Scheme;

 

Transmission and Distribution of Electrical Power Final Note:

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