Infinite families of 4 - tight and 5 - tight optimal double - loop networks 4緊優和5緊優雙環網絡無限族
In the connection mode of distributed power supply and medium voltage double - looped network , the configuration of relay protection and safety automatic devices is analyzed , and the detailed cooperating relationship among current instantaneous break , over - current and spare power automatic switch device is also presented 摘要在分散式供電、中壓雙環網接線方式下,對繼電保護和安全自動裝置的設置進行分析,并說明電流速斷、過電流和備自投裝置的具體配合關系。