【摘要】 介绍国外低压成套开关设备的两个最新发展动向，故障电孤保护和数字集成技术。阐述了故障电孤产生的因素、危害及保护措施。介绍由数字集成技术构成的智能化数字监控系统及保护、控制和测量等功能。更多还原

【Abstract】 Recent development trend of low voltage switchgear assembly at abroad was introduced.It emphasi ses on two new technologies:the protection of fault electrical arc and digital integrated technology.The factors of occurrence,harmfulness and protective measures of fault electrical arc was described.Intelligent digital monitoring system constituted by digital integrated technology and its functions of protection,control and mesurement etc was introduced.更多还原