作业帮 > 英语 > 作业

Most single-phase systems are supplied from a three-phase pr

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/11/18 17:57:03
Most single-phase systems are supplied from a three-phase primary.The primary of a single-phase transformer is connected to one phase of the three-phase system.The secondary contains two coils connected in series with a midpoint tap to provide a single-phase,three-wire system.This rangement is generally used to supply power to residential occupancies and some commercial establishments.A schematic diagram is shown in Fig.
Most single-phase systems are supplied from a three-phase pr
看不明白