Factors influencing the choice of electrical drives

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What are some advantages of electrical energy over other forms of energy for powering drives?

It can be started instantly and fully loaded.

It is generated and transported economically. (correct)

Electrical energy is free from maintenance requirements.

Conversion to mechanical energy is efficient.

Which factor influences the choice of electrical drives related to the nature of the electric supply?

Maintenance requirement

Nature of electric supply (correct)

Nature of the load

Space and weight restrictions

What is considered when evaluating the size, rating, and duty cycle of motors in the selection of electrical drives?

Type of enclosures

Mechanical considerations (correct)

Maintenance requirements

Running characteristics of motors

Which characteristic of motors is included in the electrical characteristics when choosing electrical drives?

Braking characteristics Signup and view all the answers

Why is the nature of the drive important in selecting electrical drives?

To understand if the motor is driving individual machines or a group of machines Signup and view all the answers

Which factor related to the environment should be considered when choosing electrical drives?

Noise level Signup and view all the answers

What is the main focus of motion control in industries as mentioned in the text?

Precisely controlling the position, velocity, and acceleration of the load Signup and view all the answers

What is the term used to describe the segment along with the motor that moves in a machine?

Axis Signup and view all the answers

What is a prime mover according to the text?

An initial source of motive power designed to receive and modify force and motion Signup and view all the answers

Which of the following is NOT listed as an example of prime movers in the text?

Electromagnetic Drives Signup and view all the answers

What are the outputs in machines employing drives called?

Rotating Shafts Signup and view all the answers

What do drives employing electric motors in machines refer to as?

Electrical Drives Signup and view all the answers

What components are typically included in the control unit when semiconductor converters are used in electrical drives?

Firing circuits, linear and digital integrated circuits, transistors Signup and view all the answers

In what situations can programmable logic controllers (PLCs) be used in electrical drives?

When control of switching is required and control is complex Signup and view all the answers

What is one of the advantages of electrical drives related to their operating conditions?

Can operate submerged in liquids or in explosive environments Signup and view all the answers

Which characteristic of electric motors allows for smooth and stepless transitions between different modes of operation?

Speed and torque control capabilities Signup and view all the answers

What advantage do electrical drives have over other prime movers in terms of maintenance?

No need for refueling or warm-up Signup and view all the answers

What characteristic enables electric motors to operate in all four quadrants of the speed-torque plane?

Ability to control speed and torque smoothly Signup and view all the answers

Factors influencing the choice of electrical drives

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