400 V二次配电系统供电可靠性研究  

Research on Power Supply Reliability of 400 V Secondary Distribution System

作　　者：袁晓博 YUAN Xiaobo(Wuling Electric Power Co.,Ltd., Changsha, Hunan 410004, China)

机构地区：[1]五凌电力有限公司,湖南长沙410004

出　　处：《东北电力技术》2020年第3期35-36,47,共3页Northeast Electric Power Technology

摘　　要：基于洪江水电厂400 V配电装置设备改造实际应用中存在的供电可靠性问题,探索性地设计了一套配电装置二次部分的试验改造方案。采用多级保护、多路供电及备用电源自动投入等方法,并通过对该方法的不断实践检验,获得一套解决此类问题的基本方法及较为成熟的新技术,其结果可为提高同类发电厂400 V配电系统二次部分的供电可靠性提供参考。It aims to the power supply reliability problem which based on the practical application of 400 V power distribution equipment transformation in Hongjiang hydropower plant.An experimental reform scheme of secondary part of distribution device is designed.It adopts multilevel protection,multichannel power supply and standby power supply automatic input and other methods.Through The method continuously tested in practice,it obtains a set of basic methods to solve this problem and relatively mature new technology.The research results can be served as a reference to the power supply reliability of electricity repeated part in 400 V power distribution system in the other similar power plant.

关 键 词：配电系统 多级保护 多路供电 备用电源自动投入 可靠性 

分 类 号：TM732[电气工程—电力系统及自动化]