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Full Rewind Study Results Now AvailableTests prove proper repair/rewind practices maintain the efficiency/reliability of Premium Efficiency/IE3 motors.
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Stewart’s Electric Motor Works, Inc.
Technical Education Committee Member
Oil and water just don’t mix — especially when dealing with submersible motors. Most larger sump/submersible pumps have oil filled cavities between the impeller and the motor to prevent water from intruding into the housing that contains the windings. In that cavity are sensors installed as part of the control circuit.
Each manufacturer has different ideas on what kind and how many sensors are used. In this article, we’ll review some of the more common ones. Then I’ll share an experience with one I hadn’t seen before.
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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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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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