Which components make up an industrial process?
A power electronic converter, an electric actuator, a load, and control equipment.
What factors must define an industrial power electromechanical conversion?
The industrial application, operating environment, and impact of the conversion on that environment.
What is the air gap in an electrical machine?
The space between the stator and rotor, maintained by bearings.
Why are parts exposed to variable magnetic fields laminated?
To reduce eddy-current losses.
Where is the field winding located in a DC machine?
On the stator.
What do the DC machine’s graphite brushes do?
They carry current and reverse it in the conductors.
How is a DC motor started when its current is limited to a maximum?
It starts at reduced voltage, which is increased gradually to the nominal point.
What determines the angular speed of a synchronous machine’s stator rotating field?
The supply frequency and the number of pole pairs.
At what speed does the rotor follow the rotating stator field in a synchronous machine?
At synchronous speed.
What happens when a DC motor operates only in quadrant 1?
It cannot brake and stops by coasting.
Answer 11 questions on Capteurs et actionneurs électriques.
1. Which components are included in an industrial process involving electrical power conversion?
2. When defining an electro-physical power conversion for an industrial application, what factors should be considered?
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