智能双电源控制器以P 87c591单片机为核心，是双电源切换开关的核心检测及控制部件。
Intelligent dual power supply controller takes P87C591 single chip machines as the core, which is the core test and control component of dual power supply switching switch.
双电源切换系统是一种广泛应用于工矿企业、交通、医院等重要部门以提高供电可靠性的一种装置。
Double power auto switch system is widely applied in factory, government and traffic department, it can enhance power safety.
介绍了具有缺相保护的双负载-双电源的自动切换控制。
This paper described the automatic switch control system of double-load and double-supply with the function of phase-lack protection.
文章最后介绍了智能双电源电子快速切换系统在铁路信号电源中的应用，设计目标均已达到，实际使用效果良好。
The real apply instance of double power auto switch system is introduced. The purpose of the design is reached.
对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
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