This standard applies to high-voltage DC circuit-breakers (hereinafter referred to as DC circuit-breakers) for DC 6 kV and above power systems. This standard is mainly for mechanical DC circuit-breakers. Power electronic and hybrid DC circuit-breakers can also refer to this standard. This standard specifies the operating environment conditions, terms and definitions, ratings, technical requirements, type tests, exit-factory tests, special tests, field tests, etc. of DC circuit-breakers. This standard also applies to the operating mechanism of DC circuit-breakers and their auxiliary equipment. Note. This standard covers lightning arresters, capacitors, reactors and other devices used in DC circuit-breakers.
Basic Data
Standard ID
NB/T 42107-2017 (NB/T42107-2017)
Description (Translated English)
High-voltage direct current circuit-breaker
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
K43
Word Count Estimation
23,259
Date of Issue
2017-08-02
Date of Implementation
2017-12-01
Regulation (derived from)
National Energy Board Bulletin 2017 No.8; Industry Standard Filing Announcement 2017 No.10 (Total No.214)
