the offshore wind power working platform Hengtong Yihang with length of 120.5 m, width of 38 m, and draught of 6.8 m is an integrated platform to install and maintain off-shore wind farms. The platform is supplied by three 1750 kW and two 250 kW generator sets to drive two 600 kW bow azimuth thruster motors and two 1300 kW stern azimuth thruster motors, scheduled to be delivered to the ship yard in late 2020.
The S-DE system is composed of four AFE frequency converters built with SES-Tech’s LM6081-WC power modules type approved by the CCS, RINA, and BV, to supply the propulsion power for the platform.