Electrical design & drafting
In this course, we aim at teaching students how to make Electrical design & drafts for the building design industry. You will learn how to carry out numerous sizing calculations using MS Excel, how to develop templates that can be re-used for future designs, how to interpret your design results as drafts using AutoCAD. You will learn how to carry out lighting (wiring) design, raw power (wiring) design, develop single line diagrams and so on.
Other details:
The course can be attended by:
- Engineering Graduates (Chemical, Mechanical, Electrical, Met & Materials)
- Graduates of Polytechnics in the Engineering field (ND & HND)
All classes are to be delivered via online platform using popular video meeting software such as Zoom, Teamviewer or Teams.
- Weekday (Mon - Friday): N250,000
- Weekend (Saturday & Sunday): N275,000
These are collections of common FAQ's we have received as regards the course:
Course Outline
- Introduction to the Building design industry
- Fundamentals of Electrical design
- Electrical design as per Building design industry
- Steps involved in Electrical design
- Types of Loads: resistive, inductive and capacitive.
- Different sources of electricity
- Single and three phases as per different countries
- Basic terms in Electrical design calculations
- Types of Electrical power: True or active, apparent and reactive power
- Basic calculations under different types of power using MS Excel
- Common abbreviations in the Electrical design industry
- Codes & standards in the Electrical design industry
- Definition of lux level and the various lux levels of several building spaces
- Introduction to illumination design
- Different ways to classify lighting
- Internal & external lighting
- Lamp & lighting fixture selection criteria
- Determination of No. of lighting fixtures
- Determining total lighting load
- Introduction to cable sizing
- Classification of cables as per no. of cores, type of materials and type of insulation material
- Cable sizing as per Thumb rule
- Cable sizing as per Manufacturer's catalogue
- Introduction to the function of cable trays
- Determining the required Cable tray size
- Introduction to Circuit breakers
- Types of Circuit Breakers - MCB, MCCB, ACB, VCB & RCCB
- Sizing of Circuit breakers
- Introduction to Distribution boards
- Load distribution & scheduling in Distribution boards
- Nomenclature & sizing Distribution boards
- Introduction to Capacitor banks
- Advantages of Capacitor banks
- Calculations & sizing of Capacitor banks
- Introduction to Transformers,types and functions
- Key parts of a transformer
- Different methods of cooling Transformers and how it affects their naming
- Common faults and losses in Transformers
- Sizing steps for Transformers
- Types of Electricity
- Introduction to Voltage drop
- Calculating Voltage drop across a cable length
- Calculating %Voltage drop and comparing it with acceptable levels.
- Introduction to Short circuiting
- Calculating Maximum Short circuiting current to each breaker and tripping time
- Comparing Maximum Short circuit current and tripping time to acceptable values.
- Introduction to Earthing
- Sizing of Earthing strips, Earth pit resistance and Overall resistance of all pits
- Sizing of Bus bars
- Sizing of Lightning arrestors
- Selection of a real-life sample project with detailed Architectural drawing.
- Drafting of lighting fixture symbols such as LED, CFL and fluorescent lightings.
- Drafting of raw power symbols such as normal sockets, power sockets
- Development of Lighting layout, Lighting wiring layout drawings
- Development of Socket layout and Socket wiring layout drawings
- Development of Single line diagrams
- Development of Load distribution diagrams.