船舶电力系统智能保护关键技术探讨

Research of Key Technique of Intelligent Protection on Shipboard Power System

在深入分析船舶电力系统的特点及其目前常用的短路保护措施选择性和适应性的基础上,研究了智能保护的实现原理,并对其工况识别、潮流计算、故障分析判断、保护逻辑判断与开关动作策略关键技术研究现状进行了综述,指出其实现的难点和关键点,讨论了研究发展的方向。该研究可为船舶电力系统智能保护研究和实现提供参考。

Based on the analysis of the characteristic of the shipboard power system and the selectivity and adaptability of short circuit protection at present,the prineipium of the intelligent protection is researched. The paper summarizes the actuality of key technique of intelligent protection which includes the condition recogni- tion,power flow calculation, fault analysis and judgment, protection logic judgment and switching strategy, which point out the difficulties and key points. The direction of the investigation is discussed, which might offer reference in the researching and realization of the intelligent protection on shipboard power system.