The LSA 47.3 delivers a rated power between 410 and 660 kVA at 50 Hz (495 to 825 kVA at 60 Hz). The 660 kVA rating (825 kVA at 60 Hz) was previously held by the LSA 49.3. Thanks to the cooling circuit optimization, the LSA 47.3 is now able to reach this power node for prime and demanding application. This is a significant benefit for generator set manufacturers as the same power is made available through a more compact machine.

The LSA 47.3 alternator features a SHUNT excitation system with a R250 regulator as standard. An AREP auxiliary winding excitation system with D350 digital regulator version is also available to improve transient performances and provide high overload capacities. A D550 digital regulator can also be used for grid connected applications. A Permanent Magnet Generator (PMG) excitation system is also available as an option.

The LSA 47.3 is fully interchangeable with the LSA 47.2 (shaft height and feet configuration), and can therefore be coupled with all diesel engines on the market for this power range. It is now available for orders.

The LSA 47.3 offers the following power nodes:
– 410, 455, 500, 550, 600, 660 kVA at 50Hz
– 510, 570, 625, 690, 750, 825 kVA at 60Hz This alternator is optimized for prime and demanding applications such as marine and cogeneration. It offers an efficiency of up to 95.7% at cos φ 0.8, which ranks it among the best in the category.

"The LSA 47.3 is an important step forward in our strategy to optimize our product range" said Wenbin Ding, low voltage range product manager "The benefits of this new product are significative, with real improvements where it matters most: efficiency, power and starting kVA. In addition, the optimized cooling system we implemented means that hot spots are reduced inside the machine. Ultimately this means a better reliability and longer lifetime, which is essential for the applications all LSA alternators are built to support."

With the LSA 47.3 introduction, the LSA 47.2 will soon be retired from the market, as well as the LSA 49.3 S4 (660 kVA).

About Leroy-Somer Electric Power Generation
Leroy-Somer Electric Power Generation, a business unit of the Nidec Group, is a leader in industrial alternators with power ranging from 10kW to 25MW. We work with generator set manufacturers and electric power producers worldwide to help the industry provide reliable and efficient power solutions. EPGE has over 3,000 employees, 10 production sites worldwide and a global service network. Visit www.leroy-somer.com/epg

Über Nidec Leroy-Somer Holding

Nidec, the parent company of Nidec Leroy-Somer Holding, was established in Kyoto, Japan in 1973 by its Chairman and CEO Shigenobu Nagamori. In 1979, Nidec became the first company in the world to successfully commercialize a direct drive spindle motor for HDDs based on a brushless DC motor. Since then, the company has grown into a world-leading comprehensive motor manufacturer encompassing more than 300 subsidiaries employing over 100,000 people throughout the world and with annual sales exceeding €11B. Nidec’s motors, drives, generators and related products are found in a diverse range of applications including computers, smartphones, home appliances, automobiles, manufacturing plants, robots and more.

Firmenkontakt und Herausgeber der Meldung:

Nidec Leroy-Somer Holding
Hesslingsweg 6
44309 Dortmund
Telefon: +49 (231) 9250 1015
http://www.nidec-gpm.com

Ansprechpartner:
Nessren Bazerbachi
MEPAX
Telefon: +34 (602) 102-965
E-Mail: n.bazerbachi@mepax.com
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