# Electrical Low Voltage System Distribution Design

Design of Power & Lighting Distribution System using AutoCAD, DIALux, & Low Voltage Calculations Using Excel Sheets

4.5/5

## Electrical Low Voltage System Distribution Design

### What you’ll learn

Lighting & Power Distribution Design
Defining Engineering Formulas in Excel Sheets
Solving several Electrical Low Voltage Related Equations Manually & By Using Excel Sheets
Coordinating with other teams when designing an electrical system
Gathering of the precise information needed from other engineering departments
Design of Earthing & Lightning Systems

### Requirements

Have a basic Electrical Engineering knowledge

### Description

This course is dedicated to students looking to acquire electrical low-voltage power design experience from scratch.This course covers low voltage distribution system design-related topics for a total duration of 10 hours.Essentially, the course begins section 1 by introducing the well-known drawing software “AutoCAD” and emphasizing its different toolbar options to prepare the student to be familiar with its use. Consequently, lighting design and lux calculations using DIALux software are fully explained in section 2 to prepare the lighting distribution system that will be explained and designed as a following step in section 3.After that, lighting & power systems distribution are covered in sections 3 & 4, which in turn prepares the student to understand how to gather information and calculate the total connected loads following the lighting and power designed layouts to be reflected in the panel schedules and single line diagrams which will be explained in the 5th section of this course.Once reaching this stage of the course, you will have to perform a range of low voltage system-related calculations of sizing Transformers, Generators, Cables, Circuit Breakers, calculations of voltage drop and short circuit current levels & power factor correction to ensure a safe design for the entire system for the aim of reflecting the calculated values in the single line diagram of the project. All these calculations will be explained separately in detail using simple steps that you can apply manually and with the help of predefined Excel sheets for solving different formulas in section 6.The last section of this course covers the earthing & lightning system topics, emphasizing their different types, components & the appropriate methods to design these systems following international standards.Furthermore, design topics in this course are explained by exploring pictures of different electrical equipment installed on the site to clarify the bond between the design and real site installations.Besides, the course is enhanced with a variety of helpful resources that are attached to it.In a nutshell, the sections of this course are arranged in ascending relevant stages, starting from section 1, which introduces AutoCAD, and finalizing the course by explaining the earthing & lightning systems which could be designed in the last stages of the design.

### Overview

Lecture 1 Converting Shapes Into Blocks

Lecture 2 Contents & End of Section Expectations

Lecture 3 Introducing AutoCAD Commands (Drawing Toolbar)

Lecture 4 Modify Toolbar

Lecture 5 Status Toolbar

Section 2: Lighting Design Using DIALux

Lecture 6 Contents & End of Section Expectations

Lecture 7 Introducing DIALux Menu Toolbar

Lecture 8 Importing Architectural Plan from AutoCAD into DIALux

Lecture 9 Preparation of Rooms Using Construction Menu Toolbar in DIALux

Lecture 10 Light Fixtures’ Selection for Different Types of Ceilings

Lecture 11 Calculation of Lux Levels

Lecture 12 Documentation & Exporting DIALux Calculations into AutoCAD Format

Lecture 13 Copying Exported Light Fixtures to Architectural Drawing in AutoCAD

Section 3: Lighting Distribution

Lecture 14 Contents & End of Section Expectations

Lecture 15 Folders Management & Arrangement

Lecture 16 Normal Light Distribution

Lecture 17 Normal & Emergency Light Distribution

Lecture 18 Slave Luminaires & Exit Lights Distribution

Lecture 19 Important Notes for Locating Light Switches

Lecture 20 Explanation of Different Types of Light Switches

Lecture 21 Distribution of Light Switches

Lecture 22 Connection of Lighting Wiring Circuits

Lecture 23 Preparation of Lighting Legend and Finalization

Section 4: Power Distribution

Lecture 24 Contents & End of Section Expectations

Lecture 25 Gathering Information & Preparation of Power Plan

Lecture 26 Locating Wall Sockets & Floor Boxes

Lecture 27 Locating Power Switches for AC Fan Coil Units

Lecture 28 Locating Power Switches for Water Heaters & Fans

Lecture 29 Connection of Power Sockets in Circuits

Lecture 30 Assigning Circuit Numbers for Power Loads

Lecture 31 Locating Isolators for AC Outdoor Units

Lecture 32 Distribution of Panel Boards & Selection of Electrical Rooms

Section 5: Distribution Board Schedules & Single Line Diagrams

Lecture 33 Contents & End of Section Expectations

Lecture 34 Creating a DB Schedule Using Excel Sheet

Lecture 35 Defining Equations for a DB Schedule Using Excel

Lecture 36 Defining Loads for a DB Schedule in Excel Sheet

Lecture 37 Transferring a DB Schedule From Excel to AutoCAD

Lecture 38 Interpreting a Single Line Diagram – Part 1

Lecture 39 Interpreting a Single Line Diagram – Part 2

Lecture 40 Interpreting a Single Line Diagram with a Generator Backup Source

Lecture 41 Designing a New Single Line Diagram

Section 6: Low Voltage Design Calculations

Lecture 42 Contents & End of Section Expectations

Lecture 43 Sizing of Low Voltage Transformers

Lecture 44 Sizing of a Backup Generator

Lecture 45 Cable Type Selection

Lecture 46 Cable Size Selection

Lecture 47 Circuit Breaker Size Selection

Lecture 48 Circuit Breaker Type Selection

Lecture 49 Voltage Drop Calculation Part 1

Lecture 50 Voltage Drop Calculation Part 2

Lecture 51 Short Circuit Calculation Part 1

Lecture 52 Short Circuit Calculation Part 2

Lecture 53 Voltage Drop & Short Circuit Current Calculation Using One Excel Sheet

Lecture 54 Voltage Drop & Short Circuit Current Calculation Using Two Separate Excel Sheets

Lecture 55 Power Factor Correction & Sizing of Capacitor Banks

Section 7: Earthing & Lightning Systems

Lecture 56 Contents & End of Section Expectations

Lecture 57 Earthing System

Lecture 58 Earthing System Calculations Using Excel Sheet

Lecture 59 Lightning Protection System

Lecture 62 End of Course

Electrical Engineers,Electrical Draughtsmen,Electrical Designers,Electrical Fresh Graduates,Technicians

#### Course Information:

Udemy | English | 10h 0m | 6.39 GB
Created by: Mohammed Ayman

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