Overview

This Course teaches You the Basics of Power Distribution Systems at a National Level. There are five main modules for this Course:1. Introduction or Overview of National Electrical Distribution SystemsA National Electrical Power System Can be Broken Up into three Major Parts: Generation, Transmission, and Distribution.In a National Electrical Power System, Power from Generating Stations is Stepped up to 230-750 KV.The Transmission System transmits the Power to Distribution Substations. Distribution Substations step the Power down to 0.6-35 kv for Primary Distribution Lines. Distribution Transformers step down the Power Voltage from 0.6-35 KV to 220-240V. Secondary Distribution Lines Carry the Voltage from the Distribution Transformers to the End Users.2. How Electrical is Currently Distributed in a CountryThere are four types of Primary Distribution SystemsA. Radial FeedersB. Parallel FeedersC. Loop Distribution FeedersD. Network FeedersThere are four types of Secondary Power Distribution Systems.A. The Separate Service System.B. The Raidal SystemC. The Secondary-Bank SystemD. The Secondary Network System.There are 6 Major Processes or Steps involved in Distributing Electricity from a National Electrical Grid.These are:A. Power Generating StationsB. Power Transmission LossesC. Power Distribution CentersD. State DistributionsE. Within State Distributions,F. Timing of Electricity Distributions.3. Factors to Consider in Designing National Electrical Distribution Systems A. Load Density and the Spread ⦁ Areas with High Per Capita Consumption should employ Network Feeders System ⦁ Areas with Low Per Capita Consumption should employ Radial Feeders B. Selection of Optimal Primary Distribution System to be Employed. C. Optimal Secondary Distribution System to be Employed D. Number, Size, and Placement of Distribution Stations E. Anticipated (Estimated-Future) Load Growth F. Total Cost of the System4. Ways to Improve the Technical Performance of National Electrical Distribution Systems. A. Incorporating Distributed Generating Stations in High Demand Regions or States B. Dynamic Allocation Distribution to States in Real Time as Opposed to Static Ones which may not be accurate C. Timing of Electricity Disbursement D. Upgrade Primary Distribution Network Systems from Radial Feeders to Network Feeders: E. Reduce Secondary Distribution Losses5. Ways to Improve the Economic Performance of National Electrical Distribution Systems A. Add number of customers served to it. B. Initiate Consumer Demand Response Programs C. Integration of New Renewable Energy Stations in terms of Cost.COURSE LEARNING OBJECTIVES:1. To Understand the Different Components of a National Electrical Distribution System2. To Undestand how Electricity is Distributed Across an Entire Country.3. To know the Processes Involved in Distributing Electricity from a National Grid.4. To Know how to Design National Electrcity Grids for Electricity Distribution5. To know how to improve the Technical Performance of National Electricity Grids6. To know how to Improve the Economic Performance of Natiional ElectrIcity Grids.

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