The paper presents selectivity coordination of levels and sorts protection in lowvoltagedistributionsystem.
系统阐述了低压配电系统中各级各类保护之间的选择性配合。
2
Considering the practical engineering of Guangzhou Metro Line 3 and Line 4, the intelligent lowvoltagedistributionsystem is briefly introduced.
结合广州地铁3、4号线工程实例,介绍智能低压系统的设计和应用。
3
The problems existing in grounding protection of lowvoltagedistributionsystem in petrochemical enterprise are pointed out together with their harmfulness.