船舶电力系统闭环运行保护技术综述

Review of Closed-Loop Operation Protection Technology for Ship Power System

为了解船舶电网闭环运行保护技术当前的研究状况以及未来趋势,从船舶电力系统自身特点出发,分析传统的三段式电流保护在船舶电网闭环运行中应用的现状及改进需求,研究闭环保护技术原理,阐明其与传统保护技术之间的差异,并对闭环保护机制中的潮流计算、短路电流计算、故障分析判断、保护原理与整定计算等关键技术的研究现状进行调研梳理,指出其目前的研究现状、攻克难点及发展趋势。研究结果可为后续船舶电力系统闭环保护的研究与实现提供参考。

To understand the current state of research and future trends in closed-loop operation protection technology for ship power networks,as well as to provide background knowledge for further research,this paper starts from the unique characteristics of ship power systems.It analyzes the current status and improvement needs of the traditional three-stage current protection in the closed-loop operation of ship power networks.The principle of closed-loop protection technology is studied,clarifying the differences between it and traditional protection technologies.Furthermore,the paper surveys and organizes the current state of research on key technologies in the closed-loop protection mechanism,including load flow calculation,short-circuit current calculation,fault analysis judgment,protection principle,and setting calculation.It points out the current state of research,challenges,and development trends.This study can serve as a reference for subsequent research and implementation of closed-loop protection in ship power systems.