Copper Shines in Motor Rotors  

Oleh:

Teschler, Leland

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 81 no. 16 (Aug. 2009), page 44.
Topik: Copper Rotors; Motor Efficiency; Induction Motors

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.59 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Today the NEMA Premium rating is the highest motor efficiency standard in the world. Spelled out in the Energy Independence and Security Act of 2007, it boosts mandated efficiency levels for motors covered under older legislation and applies standards to seven additional motor types. The stringent levels spelled out in NEMA Premium tables have fostered a lot of interest in motor architectures that can deliver high efficiency. One of those architectures uses a rotor cast from copper. Today three motor makers, FAVI S.A. in France, SEW Eurodrive GmbH, and Siemens Energy and Automation Inc., all make copper-rotor designs. FAVI doesn’t sell in the U.S., but SEW and Siemens copper models first came on the U.S. market about three years ago.

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