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Luther (Red) Norris
Quality Solutions Co. LLC
Technical Services Committee Member
Brushless servo motors are being used in industry for many different applications. However, the primary industrial use for these motors is in automated machinery for the accurate positioning of the work piece or work tool.
The brushless servo motor will have many features that are different than the standard AC induction or brush type DC motor. Most service centers are familiar with the operation and characteristics of three-phase induction motors and with DC motors with a commutator and brushes.
The brushless servo motor will usually have a stator winding similar to a three-phase stator with three power leads. It will have a rotor that, instead of an induction squirrel cage rotor or a wound armature, will have permanent magnets that match the number of poles in the stator windings.
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This 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.
This booklet covers topics such as:
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The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.
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Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.
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Revised May 2021
The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.
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