Enhanced Stamford alternators for marine applications
By Mike Brezonick30 August 2022
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.
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.