Reading electrical one line drawings | Eaton PSEC

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Electrical one-line diagrams, or single-line drawings (SLD), are drawings that represent an electrical system by detailing the components, how they are connected, and the power flow. Follow along as Ellen Bachman, District Application Engineer, explains the critical role one-line diagrams play in designing, maintenance, and safety of electrical systems. Ellen starts off with an introduction to the fundamental symbols typically found in one-line drawings and an example power system. As we delve deeper, Ellen introduces components found in systems with motor loads and additional symbols which can add complexity. However, using an example power system, Ellen walks us through the power flow so you can easily follow along from utility service, through several components, and finishing at a switchboard. For a copy of the example power system and additional resources for electrical consultants, visit https://Eaton.com/consultants Thank you for watching one of our many educational videos on the topic of power systems. Schedule a visit to one of Eaton's Power Systems Experience Centers in either Pittsburgh or Houston to learn more! To learn more about Eaton products and our Power Systems Experience Centers: http://eaton.com/experience To view more educational videos from Eaton's Power Systems Experience Centers: http://videos.eaton.com/experience Chapters 00:00 00:11 What is a single line drawing? 00:57 Why is a single line important? 01:14 How to read single line drawing 01:38 Single line symbols 05:04 Example power system 07:04 Circuit breaker, transformer, and relay symbols 11:18 Systems with motor loads 13:06 More one-line symbols 15:18 Read a one-line diagram example #electricalengineering #electricity #powersystem #engineering #eatonexperience #experiencecenter #powerdistribution #electricalsafety