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The University of Southampton

ELEC6222 Power and Distribution

Module Overview

This module builds upon the material covered in power systems courses (ELEC3213 or ELEC3214 for UG students, ELEC6220 for MSc students). There is a particular focus on understanding how to specify T&D equipment, including through the use of power flow modelling tools such as ERACS and PowerWorld. The module is assessed 50% by courseworks and 50% by exam. Throughout the assessment there is an emphasis on the provision of engineering justification for design decisions, using the results obtained from simulations and calculations. These are key transferrable skills which will be valuable throughout your career.

Aims and Objectives

Module Aims

To present a range of topics associated with the design of electricity transmission and distribution networks.

Learning Outcomes

Knowledge and Understanding

Having successfully completed this module, you will be able to demonstrate knowledge and understanding of:

  • Identify major components of power transmission and distribution systems and substations
  • Know and appreciate the key factors in equipment specification and network design
Subject Specific Intellectual and Research Skills

Having successfully completed this module you will be able to:

  • Describe the principle of operation of transmission and distribution equipment
  • Design protection schemes for common distribution network scenarios
  • Demonstrate awareness of the drivers of change in how networks are designed and operated
Transferable and Generic Skills

Having successfully completed this module you will be able to:

  • Utilise the results of engineering calculations to justify design approaches


Transmission and distribution (T&D) network design - Overview of common network structures - Position and function of key components Cables & Overhead Lines - Key design principles - Ratings & limitations - Accessories - Economics Distribution substation/network design - Radial and Ring configurations - Power flow analysis - Substation equipment layout - Remote monitoring & operation - Asset ratings Protection Schemes - Switchgear & breakers - Fuse protection - Overcurrent protection - Directional protection - Distance protection - Differential protection Distribution reliability - Faults - Automation of Protection - Post fault restoration New trends in T&D - Impact of automation - Condition Monitoring - Future challenges

Learning and Teaching

Teaching and learning methods

The theory is covered through a range of lecture activities, along with drop in sessions to provide assistance with the coursework elements.

Completion of assessment task37
Follow-up work12
Wider reading or practice55
Preparation for scheduled sessions12
Total study time150

Resources & Reading list

Glover, Sarma and Overbye. Power System Analysis and Design. 

Turan Gonen. Electric Power Distribution System Engineering. 

Turan Gonen. Electric Power Transmission System Engineering: Analysis & Design. 



MethodPercentage contribution
Design 25%
Design 25%
Examination  (2 hours) 50%


MethodPercentage contribution
Examination 100%


MethodPercentage contribution
Examination  (2 hours) 100%

Repeat Information

Repeat type: Internal & External

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