Standard No.:	GB/T 31489.3-2020
English Name:	D.C. extruded cable systems for power transmission at a rated voltage up to and including 500 kV—Part 3:D.C. submarine cables
Chinese Name:	额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第3部分：直流海底电缆
Chinese Classification:	K13    Cable and its accessory
Professional Classification:	GB    National Standard
ICS Classification:	29.060.20 29.060.20    Cables 29.060.20
Source Content Issued by:	SAMR; SAC
Issued on:	2020-12-14
Implemented on:	2021-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	12000 words
Translation Price(USD):	360.0
Delivery:	via email in 1~5 business day

本部分规定了额定电压500 kV及以下直流输电用交联聚乙烯绝缘海底电缆的使用特性、产品命名、技术要求、成品电缆标志、试验、验收规则、装船和贮运，以及安装后的试验。
本部分适用于在海底敷设和运行条件下使用的额定电压500 kV及以下交联聚乙烯绝缘直流海底电缆。对于敷设于江河湖泊的水下电缆，也可参照执行。