DC Motors Name: Gupinder Kler. Objective: Objective is to teach how a DC motor works.

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Presentation transcript:

DC Motors Name: Gupinder Kler

Objective: Objective is to teach how a DC motor works

Typical DC Motor

Parts of Motor Armature Commutator Brushes Axle Field Magnet DC Power Supply

How it works: Opposites attract, likes repel 1. When the coil is powered, a magnetic field is generated around the armature 2. The armature continues to rotate. 3. When the armature becomes horizontally aligned, the commutator reverses the direction of current through the coil, reversing the magnetic field. The process then repeats.

How the Speed Varies The trigger which is a variable speed switch The trigger switch limits current

References htm htm Control/SpeedControllersBody.html Control/SpeedControllersBody.html