Characteristics and Application of Electric Machines
This course will help you to:
- Recognize a motor type from its structure
- Understand the way each type of motor works
- Realize the performance of various motors based on their characteristics
- Select the appropriate motor for an application
- Learn about how motors can be controlled or matched to a load
Electric machines are part of our daily life. They can be as small as the motor in a toothbrush and the fan for a microprocessor inside a laptop, or as large as thousands of horsepower, for running pumps, compressors and the like. These motors do not have a similar construction and do not work based on the same principle, though all are machines that convert electrical power to mechanical power.
For those engineers dealing with motor driven devices, it is necessary to understand: the variety of motors, how they work, and how to select them. This course covers all DC and AC machines (generator and motor), their working principle, characteristics, selection criteria and the way to control. An introduction to 3-phase electricity is added, since many industrial motors are 3-phase.
- Review of DC & AC (single-phase & 3-phase) electricity
- Lorentz force and Faraday’s law, fundamentals to motor and generator action, EMF and BEMF
- Principle structure of DC machines, various categories and their characteristics
- Classification of AC machines, main categories, rotating magnetic field in 3-phase systems,
- Speed, frequency and number of poles relationships, synchronous speed
- Synchronous motor, principle of operation, and characteristics
- Induction machines, principle of operation and categories
- Squirrel-cage machine, characteristic curve, NEMA classification
- Wound Rotor Induction Machine (WRIM), advantages and drawbacks, speed control of AC machines
- Single-phase AC machines and their categories, special single-phase machines, universal motor
Who Should Attend
Engineers and Managers working in Design of Equipment or Applications Using Motors & Generators • Technicians and Maintenance Personnel • Operators in Manufacturing & Processing Industries, Insurance Company Personnel Dealing with Various Industries • Technical Personnel in Power Generation Plants.
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Almost all of EPIC's seminars and webinars offer :
- Continuing Education Units (CEUs) and
- Professional Development Hours (PDHs)
These course credits will help attendees earn training requirements for their associations or provincial governing bodies.