The first domestic medium-voltage 3 MW class electric propulsion system and core equipment with independent intellectual property rights have been successfully developed. Its main technical indicators have reached the international advanced level, indicating that China has already possessed the design and manufacturing capabilities of the ship's large-capacity medium-voltage power propulsion system, achieving a “zero breakthrough†and becoming one of the few countries in the world to master this technology. First, it has important strategic significance.
Electric propulsion is a new type of propulsion power for ships. The electric propulsion system developed by the China Shipbuilding Industry Corporation's 712 Research Institute has improved performance, optimized ship shape, reduced noise, and reduced maintenance costs compared to conventional marine power units that are directly propelled by diesel and steam turbines. The cabin can take advantage of space, superior flexibility and other significant advantages, can provide the ship with a more advanced and smart "heart", and can be properly customized according to customer requirements, has a major application prospects in the field of marine and marine engineering.
According to reports, the marine electric propulsion system is divided into two categories: low pressure and medium pressure, which are used for small and medium power propulsion and main propulsion of medium and large ships. With the continuous increase of power requirements of ship propulsion systems, medium-pressure systems are increasingly becoming the trend of electric propulsion due to the limited capacity of low-voltage equipment.
It is reported that for a long time, the core equipment for electric propulsion ships built in China has been dependent on imports. (Reporter Liu Zhiwei, correspondent Fang Xiao Zeng Xin)
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