| 摘要:相较于传统的交流系统，船舶直流系统在能源传输、系统简化、与新能源技术的集成方面展现出显著优势，但在故障检测、隔离和处理上等方面也面临着不同的技术难题。梳理船舶直流系统中可能出现的故障类型，分析这些故障对系统安全和稳定性的影响，并提出有效的保护策略，以提高船舶直流电力系统的安全性和可靠性。通过对现有技术和最新研究成果的综述，为船舶直流系统的设计和优化提供理论支持和实践指南。 |
| 关键词: 船舶直流系统 直流组网 短路计算 |
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| Protection Strategies for Marine DC Systems |
| FANG Shuo,PENG Yehong |
| Shanghai Marine Diesel Engine Research Institute， Shanghai 200090， China |
| Abstract:Compared to traditional alternating current（AC）systems，marine direct current systems exhibit significant advantages in energy transmission，system simplification，and integration with new energy technologies.However，it also faces different technical challenges in fault detection，isolation，and handling.The potential fault types that may occur in the ship''s DC system were examined，the impact of these faults on system safety and stability were analyzed，and effective protection strategies to enhance the safety and reliability of marine DC power system were proposed.By reviewing existing technologies and the latest research findings，theoretical support and practical guidance for the design and optimization of marine DC system was provided. |
| Key words: marine DC system DC grid formation short-circuit calculation |
