What is the most common method of controlling the speed of an alternating current motor?
The most common way of controlling AC motor speed is changing the motor’s frequency. With this method, variable speed AC motor drives are used to adjust the speed. These are often called variable frequency drives (VFD), AC inverters, or adjustable speed drives (ASD).
What is the simplest method of a motor control circuit?
The simplest and least expensive style of electric motor control is the so-called across-the-line starter.
What are the four major factors when installing a motor control system?
Thus, power source, motor connections, controller type, environment and codes and standards are the factors to be considered while installing a motor control system.
What is motor control example?
An example of fine motor control is picking up a small item with the index finger (pointer finger or forefinger) and thumb. The opposite of fine motor control is gross (large, general) motor control. An example of gross motor control is waving an arm in greeting.
What is a motor control circuit?
A motor control circuit, for the most part, is simply a. switch (or group of switches) and a motor. If you keep. the word “switch” in mind, it helps keep the intimidat- ing subject of “motor control” in its proper context.
What is the simplest of all starting methods for a motor?
Across-the-line starting is the simplest of all starting methods. It is accomplished by connecting the motor directly to the power line. The size of motor that can be started across the line can vary from one area to another, depending on the power limitations of the electrical service.