Electrical Drawings and Schematics Course
Electrical and Power Engineering

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Electrical Drawings and Schematics Course
Course Overview:
This course aims towards equipping participants with the skills required for both interpreting and creating electrical and engineering drawings which facilitate ease in communication while ensuring accuracy in a technical project.
Participants will be trained to review schematic, logic, and layout diagrams as well as the importance of symbols, colors, and line types alongside the application of regulating standards such as IEC.
Additionally, the boundary of this course extends towards integration of engineering with modern technologies such as 2D/3D economy application of CAD and GIS systems.
The course is focused on the needs of specific professionals such as electrical and design engineers, electricians and maintenance directors, enabling them to keep pace with the newest achievements in the drafting technology and apply effective management of the drawings.
Course Objectives:
What you will learn:
· How to interpret schematic diagrams
· The purpose of symbols in logic drawings
· The use of colors and line types in representing various objects
· How to interpret electrical, earthing and cabling layouts
· The governing standards in electro-technology and Their symbols
Who Should Attend?
- Electrical Engineers
- Electronics Engineers
- Design Engineers
- Electricians
- Instrumentation Engineers
- Consulting Engineers
- Production Managers
- Process Engineers
- Maintenance Engineers
Course Outlines:
Introduction:
- Drawings - their relevance to engineering
- Origin of worldwide standards in electro-technology
- Purposes served by different types of drawings
- Standards in a drawing office
- Organization of a typical drawing office
- Printing and distribution - different options for making multiple copies
Components Of A Drawing, Drawing Sizes, and Scales
- What is a typical engineering drawing made up of?
- Various categories of electrical drawings
- Planning a drawing
- Title block in a drawing and what should a title block contain?
- Legend block
- Bill of materials block
- Drawing notes block
- Revision history, revision numbering, and use of revision marks
Symbols Used In Electro Technology And Governing Standards
- Which are the drawings that need symbols?
- Symbols as per electro-technology standards - particularly IEC
- Non-standard symbols - when and why?
- Use of colors and line types in representing various services
- Company standards for drawings - why?
Single Line And Three Line Diagrams
- Purpose
- Typical examples
- Use of symbols
- The differences between single line and three-line diagrams
- Applications
- Conventions used
Practical exercises involving reading and interpretation of single line diagrams
Schematic Diagrams
- Purpose
- Typical examples
- Use of symbols
- Applications
- Schematics spread over a number of sheets
- Cross-referencing between coils and contacts Practical exercises involving reading and interpretation of schematic drawings
Logic Diagrams
- Purpose
- Typical examples
- Use of symbols
- Applications
- Logic diagrams spread over a number of sheets
- Cross-referencing
Practical exercises involving reading and interpretation of logic diagrams
Cabling and Wiring Drawings
- Purpose
- Typical examples
- Subtypes of cabling drawings
- Applications
- Conventions used
Practical exercises involving reading and interpretation of cabling drawings
Layout Drawings
- Purpose
- Typical examples
- Subtypes of layout drawings
- Applications
- Conventions used
Practical exercises involving reading and interpretation of layout drawings
Advances Arising From Computer-Aided Drafting (CAD)
- Drawing office revolution by CAD and the role of PC based CAD applications
- 2-D and 3-D CAD applications and links to CAM
- Drawing to true dimensions in CAD applications
- Use of symbols, attributes, and symbol libraries
- Automated bill of material generated from a CAD drawing
- Information sharing on multi-disciplinary drawings
- Concept of layers and their use in sharing information
- Automation of drawing through programming
- Linking imagery with drawings – GIS-related applications
Management Of Drawings
- Planning and assigning of drawings
- Need for drawing numbering standards
- Drawing process flow
- Revision control and ownership of the drawing
- Comments and their marking
- Drawing management system for workflow control
- Online distribution of drawings - the end of the era of paper drawings?
- Drawing as a database for engineering and construction - the future
Summary and Open Forum