1 1 ECET 211 Electric Machines & Controls Lecture 2-2 (Part 2 of 3) Symbols and Drawing for Electric Motor Control Systems Text Book: Chapter 2. Understanding Electrical Drawings, Electric Motors and Control Systems, by Frank D. Petruzella, published by McGraw Hill, 2015. Paul I-Hai Lin, Professor of Electrical and Computer Engineering Technology P.E. states of Indiana & California Dept. of Computer, Electrical and Information Technology Purdue University Fort Wayne Campus Prof. Paul Lin 2. Symbols and Drawings for Electric Motor Control Systems Chapter 2. Understanding Electrical Drawings • Part 1. Symbols-Abbreviations-Ladder Diagram • Part 2. Wiring – Single – Block Diagrams • Part 3. Motor Terminal Connections • Part 4. Motor Nameplates and Terminology • Part 5. Manual and Magnetic Motor Starter Prof. Paul Lin 2
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ECET 211 Electric Machines & Controls
Lecture 2-2 (Part 2 of 3)
Symbols and Drawing for Electric Motor Control Systems
Text Book: Chapter 2. Understanding Electrical Drawings, Electric Motors and Control Systems, by Frank D. Petruzella, published
by McGraw Hill, 2015.
Paul I-Hai Lin, Professor of Electrical and Computer Engineering Technology
P.E. states of Indiana & California
Dept. of Computer, Electrical and Information Technology
Purdue University Fort Wayne Campus
Prof. Paul Lin
2. Symbols and Drawings for Electric Motor Control Systems
Chapter 2. Understanding Electrical Drawings
• Part 1. Symbols-Abbreviations-Ladder Diagram
• Part 2. Wiring – Single – Block Diagrams
• Part 3. Motor Terminal Connections
• Part 4. Motor Nameplates and Terminology
• Part 5. Manual and Magnetic Motor Starter
Prof. Paul Lin 2
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Wiring Single-Line-Block Diagram
Wiring Diagrams – for wiring up systems
• To show the point-to-point wiring between components of an electrical system
• Include
ID Numbers and color coding assigned to conductors in the ladder diagrams
• Shows coils, contacts, motors in the actual locations
Prof. Paul Lin 3
Figure 2-16 Typical motor starter wiring diagram
Wiring Diagrams – for wiring up systems
Prof. Paul Lin 4
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Figure 2-17 Routing of wires in cables and conduits