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Language: English Polish Portuguese Russian
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Motors, Drives, and Conveyors Series (Details)Includes 17 courses for $499/year. Industrial Maintenance Library (Details)Includes 136 courses for $1,199/year.
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Training Time: 32 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, Polish, Russian
A small motor can be started by simply plugging it into an electrical receptacle or by using a switch or circuit breaker. A large motor requires a specialized switching unit called a motor starter or motor contactor. Once they are running, there are many other aspects to safe and efficient motor operation. Motor control refers to manual or automatic methods for starting, stopping, controlling speed, reversing, and protecting a motor. These controls are achieved using a variety of circuits, connections and sensors.
At the end of this module, you will be able to:
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The following key questions are answered in this module:
What are motor controls? Manual or automatic methods for starting, stopping, controlling speed, reversing, and protecting a motor.
What is a 2-wire control circuit? A circuit with a single switch in series with the motor and the starter or relay that provides power to the motor.
What is an interlock? A method of preventing certain events or conditions from occurring in electrical or mechanical devices; an example is a two-hand control.
How can the speed of an AC motor be controlled? One common way is by using a variable frequency drive (VFD) with a potentiometer.
What is a motor protection device? A device that will stop a motor in the event of a problem. Examples include thermal overload switches, overspeed switches, over- or under-voltage detectors, vibration monitors, and other devices designed to prevent damage to the motor itself.
Below is a transcript of the video sample provided for this module:
Electrical Safety General Awareness
View Course
Electrical Switches
Motor Overload Protection
Motor Starters
Relay Basics and Types
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