AC network centennial years of distribution networks

被引:2
作者
Cunningham, Joseph J.
机构
来源
IEEE POWER & ENERGY MAGAZINE | 2022年 / 20卷 / 02期
关键词
% reductions - Alternating current - Battery backup - Currents distributions - Dc distribution - Distribution engineers - Electrical distribution - Radial feeder - Secondary distribution networks - Urban areas;
D O I
10.1109/MPE.2021.3134345
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Automatic AC secondary distribution networks are the norm in urban areas of dense load concentration; no electrical distribution engineer could imagine any other technique. A century ago, dc distribution predominated in such urban areas. Alternating current distribution was minimal, with radial feeders from transformer substations to the local transformers that supplied customers. It was not as efficient or reliable as dc and lacked battery backup. Direct current distribution systems were expensive, and ac promised a potential 500% reduction in distribution costs by elimination of the substations and heavy cables required by dc systems if reliability and efficiency could be improved. © 2003-2012 IEEE.
引用
收藏
页码:64 / +
页数:8
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