Powering The Way - A Paper on AC Link™ Technology for 21st Century HVDC Transmission

被引:0
作者
Evans, Ian C.
Limpaecher, Rudy
Dillon, Andrew
机构
来源
2008 IEEE ENERGY 2030 CONFERENCE | 2008年
关键词
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The new AC-Link (TM) HVDC transmission converter employs a new technical approach that bypasses the problems affecting currently available products. This new approach is based on the AC-Link (TM) topology which was originally validated in the military. The AC-Link (TM) technology, patented globally, is a resonant converter topology which is naturally "soft switching", which is characterized by negligible switch turn-on and no turn-off losses. With no switching losses, the AC-Link (TM) system can use high voltage solid state power devices (i.e. IGBTs or IGCTs) and run at high converter frequencies (up to 20kHz using IGBTs). Power electronics systems that rely on PWM topologies are limited by the PWM characteristic of "hard switching", which produces undesirable switching losses and high dv/dt (voltage rate of change). With switching losses as a limiting factor, PWM systems must use lower voltage switches, and more of them. The result is higher cost, higher complexity, higher component count, and thereby higher risk factors.
引用
收藏
页码:583 / 593
页数:11
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