摘要
介绍智能双电源自动转换的PLC控制,其具有对三相供电电源的缺相检测及保护功能,在电源恢复正常后可自动反切换。
The paper introduces PLC control double powers device of intelligent transformation. The device can test and protect lack of three-phase power. When the power change right, it has automatic anti-switch function.
出处
《中国仪器仪表》
2008年第7期69-71,共3页
China Instrumentation
关键词
智能双电源
自动反切换
缺相保护
PLC控制
Intelligent double powers Automatic anti-switch Protect lack of phase PLC control