Enhanced Stamford alternators for marine applications

By Mike Brezonick30 August 2022

Stamford S7 alternator The first order for the recently enhanced Stamford water-cooled S7 alternator was for a wind power installation vessel in China. (Photo: Cummins)

Cummins Generator Technologies announced the first order of its recently enhanced water-cooled S7 alternator for a wind power installation vessel in China.

To be showcased at SMM 2022 stand A4.300 in Hamburg, Germany, the four-pole Stamford S7 has undergone development to extend its low voltage power range to 2800 kVA, introduce a high voltage solution and a water-cooled range designed for both marine and industrial applications.

Stamford S7 Alternator The Stamford S7 water-cooled alternator. (Photo: Cummins Generator Technologies)

The addition of water cooling provides flexibility, uptime and endurance and allows the alternator to operate effectively in restricted spaces. With the choice of anti-friction or sleeve bearings to meet specific application needs, the S7 water-cooled alternator which covers a power range of 1425 to 2644 kVA, with voltages ranging from 380 to 690V.

The unit includes Power Take Out (PTO) and Power Take In (PTI), a wide range of marine classifications including IP23 to IP54 and SOLAS. It supports overload capability of 110% for everyone in 12 hours (as per ISO8528) and has a 3x short circuit handling capability intended to maximize uptime, the company said.

Part of the Stamford S-Range, the S7 alternator includes a three-year warranty as standard, global 24/7 support and a genuine authenticity guarantee with hologram verification on every machine, the company said.

Delivered directly to your inbox, Diesel Gas & Turbine News; News features the pick of the breaking news stories, product launches, show reports and more from KHL's world-class editorial team.
Latest News
Proposed FSRU, power plant denied by Ireland’s top planning board
Development would be ‘contrary’ to greenhouse gas reduction goals, board said
WinGD, shipping company explore ammonia-fueled carriers
 Focus is on 52 cm- and 62 cm-bore versions of the dual-fuel ammonia engines
Siemens Energy supplying French hydrogen project
Company supplying 12 electrolyzers with a total capacity of 200 MW