故障电流限制器现状及应用前景

目前我国某些地区短路电流过高制约着电网发展, 故障电流限制器可以快速限制短路电流,保证系统安全稳定运行, 是具有发展潜力的限制短路电流技术。故障电流限制器包括超导和和固态故障电流限制器2 种, 每种故障限流器具有各自的特性、工作原理、优缺点, 某些故障电流限制器已在国外投入使用。通过分析我国短路电流的特点及国外故障电流限制器的使用情况可知, 故障电流限制器是目前解决我国短路电流过大的措施之一。

Current Status and Prospects of Fault Current Limiter

Currently,high short circuit currents in some areas are restricting grid development.Fault current limiter,which is able to limit short circuit current quickly to ensure safe system operation,is a very promising technology.It can be categorized into 2 types,superconductor and solid state types;each has its own features,principles,advantages and disadvantages.Overseas,some fault current limiters have been put into service.This paper analyzes the characteristics of domestic short circuit current and application of limiters abroad and suggests that fault current limiter is a solution to high short circuit current.