EEE 485 - Power Transmission and Distribution

EEE 485 - Power Transmission and Distribution

Section A: General Information

  • Course Title: Power Transmission and Distribution

  • Type of Course: Optiuonal, theory

  • Offered to: EEE

  • Pre-requisite Course(s): None

Section B: Course Details

Course Content (As approved by the Academic Council)

Transmission line parameters: Inductance - inductance due to internal flux, flux linkages between points external to an isolated conductor, flux linkages of one conductor in a group, single-phase two-wire line, composite-conductor lines, three-phase lines with equilateral/ unsymmetrical spacing, double circuits, bundled conductors; Capacitance - electric field of a long straight conductor, potential difference between points due to a charge, capacitance of a two-wire line, capacitance of three-phase line with equilateral/ unsymmetrical spacing, effect of Earth on transmission line capacitance, bundled conductor, parallel-circuit three-phase lines.

Sag of overhead lines. Types of insulators and electrical stress analysis.

Underground cables: Types and construction; oil filled, gas insulated and XLPE cables; electrical characteristics - electrical stress, capacitance, charging current, insulation resistance, dielectric power factor and dielectric loss, skin effect, proximity effect; identification of fault location.

HVDC transmission: Comparison of AC and DC transmission, HVDC transmission system components, monopolar and bipolar HVDC transmission, power converters: CSC (Current source converter) and VSC (Voltage source converter), operation and control of HVDC transmission link.

Substations: Substation equipment, bus bar arrangements, substation earthing, neutral grounding, substation automation, GIS substation.

Distribution systems: Primary and secondary distribution - radial, ring main, and interconnected system, distribution losses and feeder reconfiguration.

Course Objectives

The main objective of this course is to introduce the fundamentals of power transmission line inductance and capacitance, the basics of overhead transmission line sag and insulators, underground cables, HVDC transmission system and its operation, substation and distribution systems.

The course aims to familiarize students with power transmission and distribution systems, overhead and underground cable systems and the basics of HVDC system operation.

The course aims for building the theoretical foundation and engineering knowledge required for understanding the design and specifications of power transmission and distribution systems.

Knowledge required

Electrical and electronic circuits, power systems.

Course Outcomes-

COs CO Statements Corresponding Pos Learning Domain and Taxonomy Levels Delivery Methods and Activities Assessment Tools
CO1 Understand the fundamentals of overhead and underground transmission line parameters, calculate transmission line parameter based on line design. PO(a), PO(b) C1, C2 Lectures, Tutorials, Homework Assignment, Class test, Final exam
CO2 Understand and analyze the electrical and mechanical stresses on transmission line conductors and insulators, and solve basic design problems of transmission line. PO(a), PO(b), PO(c) C1, C3, C4 Lectures, Tutorials, Homework Assignment, Class test, Final exam
CO3 Understand the basics of HVDC transmission systems, and explain its operation PO(a) C1, C2
CO4 Understand the topological design of substation, and substation grounding. PO(a) C1, C2 Lectures, Tutorials, Homework Assignment, Class test, Final exam
CO5 Understand the basics of distribution systems losses and propose loss reduction strategies. PO(a), PO(c) C1, C3, C4 Lectures, Tutorials, Homework Assignment, Class test, Final exam

Cognitive Domain Taxonomy Levels: C1 – Knowledge, C2 – Comprehension, C3 – Application, C4 – Analysis, C5 – Synthesis, C6 – Evaluation, Affective Domain Taxonomy Levels: A1: Receive; A2: Respond; A3: Value (demonstrate); A4: Organize; A5: Characterize; Psychomotor Domain Taxonomy Levels: P1: Perception; P2: Set; P3: Guided Response; P4: Mechanism; P5: Complex Overt Response; P6: Adaptation; P7: Organization

Program Outcomes (PO): PO(a) Engineering Knowledge, PO(b) Problem Analysis, PO(c) Design/development Solution, PO(d) Investigation,
PO(e) Modern tool usage, PO(f) The Engineer and Society, PO(g) Environment and sustainability, PO(h) Ethics, PO(i) Individual work and team work,
PO(j). Communication, PO(k) Project management and finance, PO(l) Life-long Learning

* For details of program outcome (PO) statements, please see the departmental website or course curriculum

Mapping of Knowledge Profile, Complex Engineering Problem Solving and Complex Engineering Activities

K1 K2 K3 K4 K5 K6 K7 K8 P1 P2 P3 P4 P5 P6 P7 A1 A2 A3 A4 A5

Lecture Plan

Lectures Weeks Topics (According to syllabus) Mapping with COs
1-9 3 Transmission line parameters: inductance and capacitance CO1, CO2
10-12 4 Sag of overhead lines CO2
13-15 5 Types of insulators and electrical stress analysis CO2
16-21 6-7 Underground cables: Types and construction; oil filled, gas insulated and XLPE cables; electrical characteristics - electrical stress, capacitance, charging current, insulation resistance, dielectric power factor and dielectric loss, skin effect, proximity effect; identification of fault location CO1, CO2
22-27 8-9 HVDC transmission: comparison of AC and DC transmission, HVDC transmission system components, monopolar and bipolar HVDC transmission, power converters: CSC (Current source converter) and VSC (Voltage source converter), operation and control of HVDC transmission link CO3
28-33 10-11 Substations: substation equipment, bus bar arrangements, substation earthing, neutral grounding, substation automation, GIS substation CO4
34-39 12-13 Distribution systems: primary and secondary distribution - radial, ring main, and interconnected system, distribution losses and feeder reconfiguration CO5
40-42 14 Review CO1, CO2, CO3, CO4, CO5

Assessment Strategy

Four nos. of tests (Quiz, Assignment, Viva and Presentation) will be taken and best 3 nos. will be counted.

A comprehensive term final examination will be held at the end of the Term following the guideline of academic Council.

Distribution of Marks

  • Class Participation 10%

  • Continuous Assessment 20%

  • Final Examination 70%

  • Total 100%

Textbook/References

John J. Grainger, and William D. Stevenson, Jr., “Power System Analysis,” McGraw Hill, 1994

Turan Gönen, “Electrical Power Transmission System Engineering - Analysis and Design,” 3rd ed., CRC Press

“EPRI AC Transmission Line Reference Book—200 kV and Above,” 3rd ed., Electric Power Research Institute, 2005

Leonard L. Grigsby ed., “Electric Power Generation Transmission and Distribution,” CRC Press, 2007

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