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EASA Resource GuideA handy, downloadable PDF booklet summarizing the products and services available from EASA.
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Former EASA Technical Support Specialist
There are a number of different types of DC generators: shunt, series and compound, each of which can be separately or self-excited. A DC generator is built and designed exactly the same as a DC motor, and can be run as such. Regardless of the type, there are a number of reasons why a generator won’t produce the correct voltage, or any voltage at all.
Let’s start with the basics of how a DC generator works. When the armature is rotated, the magnetism from the fields produces a voltage in the armature. If the generator is self-excited, then the small voltage produced in the armature in turn is supplied back to the fields, which induces current in the fields.
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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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