CRRC Times Electric Release of the solution of vessel-based permanent-magnet shaft holding power generation system and the launching ceremony of permanent-magnet motor was held in Zhuzhou
Leaders, experts and core R&D members of the shafting power generation project, including Chen Jian, deputy general manager of CRRC Zhuzhou Institute, Li Xiong, expert of the industry committee, Sun Guoliang, deputy general manager of Ningbo Beilun Shipping, Jia Siqing, director of Wuhan Branch of China Classification Society, Huang Jun, director of Changsha Inspection Office, Cao Dayou, head of electrical section of China Merchants Jinling Shipyard (Nanjing), Zhu Hongchu, deputy general manager of Hunan Xiangchuan Shipbuilding Industry, Xiang Yong, deputy general manager of Zhuzhou Electric, Hu Jiaxi, general manager of CRRC National Engineering Research Center of Converters, attended the launching ceremony.
This initiative marks the successful commercialization of the permanent-magnet shaft holding power generation system of CRRC. So far, the company has achieved a major milestone in the new technology for energy conservation and environment protection in the field of vessel-based electric propulsion, laying a solid foundation to access the mass vessel markets of bulk cargo, container, commercial vehicle roll-on/roll-off vessel, etc.
Taking 62,500t bulk carrier as the demonstration, our project team developed 550kW permanent-magnet shaft holding power generation system and formed a spectrum platform of 500-3000kW shaft holding power generation system, which can meet the demand of retrofitting green-shaft-belt power generation system for all conventionally powered ships.
The product is jointly developed by the technical teams of CRRC National Engineering Research Center of Converters, Shanghai CRRC Hange, and CRRC Shangqu. The project team has overcome key technical problems such as seamless online switching of shafting power generation system off/on grid, unit and grid reliability, intelligent conversion of PTI/PTO, vibration of permanent-magnet shaft holding system, etc. The technical solution has been well received by Classification Societies and ship owners alike.
In face of energy-saving policies and increasing fuel price, major large-scale vessels are now adopting or retrofitting shafting power generation system, giving rise to higher market demand. Permanent-magnet shaft holding power generation system is a ready solution for green development of vessels. The key advantage is that the power station of the vessel's medium-speed generator unit will be shut off during the voyage and a low-speed shafting power generation will be adopted for daily electricity, reducing 10% of fuel consumption and can be applied to conventional low-speed high-power diesel propulsion vessels as well. Meanwhile, it also meets the demand of IMO for energy conservation and emission reduction, unfolding extensive market capacity thereof.