交直流组网技术电力推进系统的对比研究

Comparative study on ac/dc power grid technology electric propulsion system

电力推进系统相对传统推进系统具有显著优势,成为现阶段船舶动力技术发展的主流方向。电力推进系统当前正从早期的传统交流组网技术逐步向最新的直流组网技术发展。本文对交流组网及直流组网这两种电力推进系统进行了介绍,简述了这两种系统各自的组成和技术特点,随后通过对这两种系统在设备组成成本、重量体积、能耗、兼容性、技术难点等多方面的分析对比研究,得出了直流组网技术在能耗、性能、兼容性等多方面具有显著优势的结论,进而论证了直流组网技术凭借其先进性将成为未来船舶电力推进系统发展的方向。

Electric propulsion systems have significant advantages over traditional propulsion systems and have become the mainstream direction for the development of ship power technology at present.The electric propulsion system is currently developing from the early traditional AC power grid technology to the latest DC power grid technology.This article introduces two types of power propulsion systems,AC power grid and DC power grid,and briefly describes their respective compositions and technical characteristics.Then,through analysis and comparative research on the equipment composition cost,weight and volume,energy consumption,compatibility,technical difficulties,and other aspects of these two systems,it is concluded that DC power grid technology has significant advantages in energy consumption,performance,compatibility,and other aspects,Furthermore,it is demonstrated that DC power grid technology will become the development direction of marine electric propulsion system in the future by virtue of its progressiveness.