Powder and Bulk Engineering
Tuesday, September 02, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 12/1999
Pages: 6
PDF Format
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Ten rules of thumb for deciding whether to replace your electric motors with energy-efficient models

Electric energy is typically the largest individual cost in an electric motor's life cycle cost and can often be the largest individual cost for the equipment including that motor. But should you pay a premium for an energy-efficient motor? This article provides 10 rules of thumb to guide your decision. Related information destroys some myths about electric motor efficiency.

If you have a typical bulk solids manufacturing plant, electric motors power most of your plant's equipment. The motors are on your handling equipment, including conveyors, rotary valves, and feeders, and your process equipment, including mixers, dryers, and grinders. The motors are on your compressed-air, vacuum, and refrigeration systems. And most of all, they're on your monthly electric bills.

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