Standard No.:	GB/T 20996.2-2020
English Name:	Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2:Faults and switching
Chinese Name:	采用电网换相换流器的高压直流系统的性能 第2部分：故障和操作
Chinese Classification:	K46    Power semiconductor device and parts
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2020-12-14
Implemented on:	2021-7-1
Status:	valid
Superseding:	GB/Z 20996.2-2007 Performance of high-voltage direct current(HVDC)systems—Part 2:Faults and switching
Target Language:	English
File Format:	PDF
Word Count:	21000 words
Translation Price(USD):	630.0
Delivery:	via email in 1~5 business day

本部分是关于高压直流系统暂态性能和故障保护要求的指导文件；论述了三相桥式（双路）联结的12脉波（动）换流单元构成的两端高压直流系统故障和操作的暂态性能，不涉及多端高压直流输电系统，但对包含在两端系统里的并联换流器和并联线路作了讨论；假定换流器使用晶闸管阀作为桥臂，采用无间隙金属氧化物避雷器进行绝缘配合，且功率能双向传输。本部分没有考虑二极管阀。