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Understanding & Troubleshooting Electric Motors
Description
Price:
$999
2 day Hands-On
1.6 Continuing Education Credits
Gain knowledge in the basics of electric motors. You’ll learn about motor theory and how National Electrical Code® standards apply to motors. Discover maintenance and troubleshooting techniques so you’ll know how to keep motors running at optimal levels. In hands-on exercises, you’ll practice your skills in operating and troubleshooting three-phase, single-phase and DC motors. Leave this course with a solid understanding of motors and how to maintain them.
Agenda [download course agenda]
Basic Motor Theory
- Magnetism, construction, induction, rotation
Nameplate Data
- Voltage, phase, FLA, frequency
- RPM, horsepower, duty, design, code letter
- Service factor, insulation, temperature
- Frame, connections, efficiency
Three-Phase Motors
- Wyes, deltas and leads
- Dual voltage connections
- Squirrel cage, synchronous, wound rotor
National Electric Code® and Motors
- Sizing conductors
- Overload and short-circuit protection
- Motor starters
- Disconnects
- Design E motors
Single-Phase Motors
- Capacitor-start, permanent-split, shaded-pole, split-phase, repulsion and universal
- Dual voltage and multiple speed connections
DC Motors
- Series, shunt, compound and permanent-magnet
- Maintenance and troubleshooting
- Motor inspection criteria
- Advantages and disadvantages
- Enclosure types
- Accessories
Hands-On Lab Exercises
- Three-phase motor, single phase motor and DC motor operations and troubleshooting
- Multi meter checking voltages, current and resistance
- Megohmmeter checking insulation breakdown
- Tachometer, capacitor checker