单负载—双电源自动切换控制及其缺相保护

The Automatic Switchover Control of Single Load—Diplo-power Source and the Open-phase Protection

单负载—双电源自动切换控制系统具有对三相供电电源的缺相检测及保护切换功能,在电源恢复正常后能自动进行反切换,当发生故障和恢复正常时能分别发出两种区别明显的报警和提示音响,功能完备,性能稳定可靠。

The automatic switchover control system of single load---diplo-power source has the function of open-phase protection detection and protection for the three phase power supplies, which can be automatically counter switchover after the power supply restored. When the failure happens or the normal condition restores, two different alarms shall be sent out, the facility has very perfect function with reliable performance.